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Redmi K70 Ultra. Every angle.

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Xiaomi Redmi K70 Ultra product image

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Score SummaryMainstream Mid-Range ($250 – $549)
Hardware Score:9.3 / 10

The performance titan with Dimensity 9300+, 144Hz 4000-nit display, and IP68 certification.

The Redmi K70 Ultra is engineered specifically for uncompromising mobile gamers and power users. Featuring MediaTek’s apex Dimensity 9300+ built on TSMC 4nm with four Cortex-X4 prime cores, it pairs with Xiaomi’s customized D1 graphics co-processor to super-resolve games up to native 1.5K at 144fps. Its flat 6.67-inch OLED panel reaches a blazing 4000 nits of peak brightness, protected by tough Longjing Glass. With a 5500 mAh battery, 120W wired charging that tops off in 24 minutes, and certified IP68 water and dust resistance, it is a peerless performance value.

Key Strengths

  • Monstrous gaming horsepower from MediaTek Dimensity 9300+ and D1 graphics chip
  • Ultra-bright 4000-nit 144Hz OLED screen with 3840Hz high-frequency PWM dimming
  • Robust 5500 mAh battery paired with 120W wired HyperCharge (100% in 24 mins)
  • Full IP68 dust and water immersion resistance with metallic aluminum frame
  • Fast 50MP Sony IMX906 primary camera sensor with OIS

Points to Consider

  • Secondary 8MP ultrawide and 2MP macro cameras are basic
  • No wireless charging included
  • Camera bump is prominent across the top width
Relative Hardware Benchmarks vs Mainstream Mid-Range
Battery Capacity5,500 mAhTier avg: 5,000 mAh
Wired Charging120WTier avg: 45W
Recommended For:•Mobile gamers•Performance purists•Heavy multitasking power users•High-framerate streamers

Xiaomi Redmi K70 Ultra full specifications

168 verified specification points across 19 categories.

Launch

4
Announced
2024-07-19
Released
2024-07-19
Status
Available
Body type
bar

Body

10
Dimensions
160.4 x 75.1 x 8.39 mm
Weight
211 g
Volume
101.1 cm³
Build
High-strength aluminum alloy frame, Xiaomi Longjing Glass front, glass back
Frame
Aircraft-grade Aluminum Alloy
Back
Frosted AG Glass
Front glass
Xiaomi Longjing Glass (Dragon Crystal)
Water resistance
IP68
Certifications
IP68 water and dust submersion (2m for 30 min), MIL-STD-810H compliant, Dust-tight hermetic seal
Colours
Ice Glass, Ink Feather, Clear Snow

Display

20
Type
OLED (TCL C8+), 68B colors, 144Hz, Dolby Vision, HDR10+, 4000 nits (peak)
Size
6.67 inches
Screen-to-body
89.1%
Resolution
1220 x 2712 pixels
Pixel density
446 ppi
Aspect ratio
19.5:9
Panel width
71.1 mm
Panel height
154.4 mm
Active area
129.1 cm²
Max refresh rate
144 Hz
Min refresh rate
1 Hz
Touch sampling
360 Hz
Peak brightness
4000 nits
Typical brightness
1600 nits
Colour depth
10-bit (1.07 billion colors)
PWM dimming
2160 Hz
HDR
Dolby Vision, HDR10+
Always-on display
Yes
Protection
Xiaomi Longjing Glass
Other features
Variable 1-120Hz LTPO refresh rate, Hardware anti-reflective nano-coating, TrueColor 10-bit color calibration, Eye Comfort Shield 3.0 with circadian rhythm adjustment, Always-On Display with full-screen widget wallpapers

Processor

10
Chipset
MediaTek Dimensity 9300+ (4 nm)See Its Deep Breakdown
Fabrication process
4 nm
CPU
Octa-core (1x3.4 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
CPU configuration
2x Prime + 6x Performance
CPU cores
8
Peak clock
3.4 GHz
Instruction set
ARMv9.3-A
Architecture
64-bit
GPU
Immortalis-G720 MC12
GPU clock
1350 MHz

Software

4
Operating system
Android, 14 (HyperOS)
User interface
HyperOS with D1 Independent Graphics Chip
OS updates
4 years
Security updates
4 years

Memory

8
RAM options
12GB, 16GB, 24GB
RAM type
LPDDR5X (9600Mbps)
RAM speed
9600 MHz
RAM channels
4
Internal storage
256GB, 512GB, 1TB
Storage type
UFS 4.0
Card slot
No
Card slot type
None

Wide (main) camera

12
Resolution
50 MP
Sensor
Sony IMX906See Its Deep Breakdown
Sensor format
1/1.56"
Pixel size
1 µm
Aperture
f/1.6
Focal length
23 mm
35mm equivalent
23 mm
Field of view
84°
Optical zoom
1x
Stabilisation
Optical (OIS)
Autofocus
PDAF
Video
8K at 24/30fps / 4K at 60fps

Ultrawide camera

12
Resolution
8 MP
Sensor
Sony IMX355See Its Deep Breakdown
Sensor format
1/4.0"
Pixel size
1.12 µm
Aperture
f/2.2
Focal length
15 mm
35mm equivalent
15 mm
Field of view
119°
Optical zoom
0.5x
Stabilisation
None
Autofocus
Fixed
Video
1080p at 30fps

Macro camera

12
Resolution
2 MP
Sensor
Galaxy Macro
Sensor format
1/5.0"
Pixel size
1.75 µm
Aperture
f/2.4
Focal length
24 mm
35mm equivalent
24 mm
Field of view
80°
Optical zoom
1x
Stabilisation
None
Autofocus
Fixed
Video
1080p

Camera features

4
Video
8K at 24fps
Frame rates
24, 30, 60, 120, 240, 480 fps
Flash
Adaptive Quad-LED True Tone flash
Features
Computational HDR multi-frame synthesis, Night vision 3.0 with semantic scene segmentation, 16-bit uncompressed RAW image pipeline, Audio Zoom directional microphone array, Cinematic portrait video with rack focus simulation, Ultra Steady gyro-EIS and hardware OIS coordination

Selfie camera

10
Resolution
20 MP
Sensor
OmniVision OV20B
Sensor format
1/2.8"
Pixel size
1.12 µm
Aperture
f/2.0
35mm equivalent
22 mm
Field of view
90°
Autofocus
Yes
Video
1080p at 30/60fps
Features
Dual Pixel Phase Detection Autofocus, Cinematic front portrait bokeh mode, HDR10+ 4K live preview selfie recording

Battery

12
Capacity
5500 mAh
Rated capacity
5400 mAh
Type
Si/C (Silicon-Carbon High-Density)See Its Deep Breakdown
Wired charging
120 W
Charge time
24 min
Wireless charging
25 W
Reverse wireless
10 W
Reverse wired
5 W
Charging standards
USB Power Delivery 3.1 PPS, Qi2 Magnetic Fast Wireless Standard (15W-25W), UFCS Universal Fast Charging Specification
Charger in box
No
Endurance rating
30 hours
Removable
No

Network

11
5G
Yes
Technologies
GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM bands
850 / 900 / 1800 / 1900 MHz
UMTS bands
B1, B2, B4, B5, B8
LTE bands
B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B32, B38, B39, B40, B41, B42, B48, B66
5G NR bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79, n257, n258, n260, n261
All bands
Sub-6GHz SA/NSA, Extended mmWave
SIM type
Nano-SIM + Nano-SIM or eSIM
SIM slots
2
eSIM
Yes
Satellite
Yes

Connectivity

15
Wi-Fi
Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Wi-Fi features
320MHz channel width, 4096-QAM, Multi-Link Operation (MLO), 2x2 MIMO
Bluetooth
5.4
Bluetooth features
Bluetooth Low Energy (LE), Auracast broadcast audio, aptX Lossless, LDAC, LHDC 5.0
NFC
Yes
Ultra-wideband
Yes
USB
USB Type-C 3.2 Gen 2 (10Gbps)
USB connector
USB Type-C
USB version
3.2 Gen 2
USB features
DisplayPort 1.4 video output, USB OTG host, High-speed audio accessory support
3.5mm jack
No
3.5mm jack note
No 3.5mm jack; audio via USB-C or Bluetooth 5.4 Auracast
Positioning
Dual-frequency GPS (L1+L5), GLONASS, GALILEO (E1+E5a), BDS (B1I+B1c+B2a), QZSS (L1+L5), NavIC
Infrared
No
Wireless display
Wireless DeX / Smart View 4K60 projection

Audio

4
Speakers
Stereo multi-linear acoustic cavity speakers tuned by Dolby Atmos
FM radio
No
Audio formats
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Video formats
MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM

Sensors

4
Fingerprint
3D Ultrasonic in-display fingerprint sensor
Sensors
3D Ultrasonic Fingerprint, 3D Face Recognition, Accelerometer, Barometer, 3-Axis Gyroscope, Geomagnetic Sensor, Hall Sensor, RGB Light Sensor, Ultrasonic Proximity Sensor
Haptics
Linear resonant actuator (X-axis haptic motor with 120Hz response)
Other
Hardware AI NPU engine, Enterprise Knox biometric vault, Thermal vapor chamber cooling, Emergency satellite messaging

Benchmarks

5
AnTuTu
3,200,000
Geekbench single-core
3400
Geekbench multi-core
10800
3DMark
7,200
DXOMARK
158

Gaming

6
3DMark Wild Life Extreme
7,100
GFXBench
144 fps
Sustained performance
91% of peak
Peak surface temperature
37.8 °C
Display refresh
144 Hz
Touch sampling
360 Hz

Regulatory

5
SAR (EU, head)
0.84 W/kg
SAR (EU, body)
0.92 W/kg
SAR (US, head)
0.96 W/kg
SAR (US, body)
1.04 W/kg
Model numbers
XI-REDMIK70ULTRA-01, XI-REDMIK70ULTRA-Global

How we rated the Redmi K70 Ultra

How we score

The overall 9.3 is built from ten category scores. Here is the reason behind each one, tied to this phone's own figures.

Display
9.6
144Hz 1.5K OLED panel with 4000 nits brightness and 3840Hz PWM eye protection.
Performance
9.8
Dimensity 9300+ and D1 graphics co-processor deliver top-tier gaming benchmarks.
Camera
8.7
Sony IMX906 50MP sensor with OIS captures vibrant, sharp photographs.
Battery
9.6
5500 mAh capacity combined with 120W fast charging provides superb battery confidence.
Software
9.1
HyperOS with dedicated gaming tools and performance modes.
Gaming
9.8
3D ice-cooling loop system sustains peak 144fps gameplay without frame drops.
Durability
9.2
Xiaomi Longjing Glass and IP68 certification ensure robust everyday protection.
Connectivity
9.3
Full 5G, Wi-Fi 7, Bluetooth 5.4, and infrared blaster.
Features
9.1
Stereo speakers, in-display fingerprint, and linear haptic motor.
Value
9.7
Extraordinary flagship performance and IP68 build quality under $500.

Let us know

Despite our efforts to keep the Xiaomi Redmi K70 Ultra specifications complete and correct, mistakes get through. If you see anything wrong or missing on this page, please— every report is read, and corrections are made to the record itself.

Xiaomi Redmi K70 Ultra: common questions

What does the D1 graphics chip do in the Redmi K70 Ultra?

The independent D1 display chip uses AI super-resolution and frame interpolation algorithms to upscale popular games to 1.5K resolution and push framerates to a fluid 144fps.

Is the Redmi K70 Ultra waterproof?

Yes, it is officially certified IP68, allowing submersion in up to 1.5 meters of water for 30 minutes.

How fast does the Redmi K70 Ultra charge?

With the included 120W HyperCharge power brick, the large 5500 mAh battery charges from 1% to 100% in approximately 24 minutes.

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Silicon & Hardware Breakdown

Hardware Deep Reviews for Xiaomi Redmi K70 Ultra

Explainers on the chipset, display and camera components used in the Xiaomi Redmi K70 Ultra, compiled from manufacturer documentation and published benchmarks.

Browse All Hardware Reviews →
Battery Chemistry & Power Platform

Silicon-Carbon High-Density Anode Battery

Silicon Score:9.4 / 10

Score Synchronization: The performance rating (9.5) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Silicon-Carbon High-Density Anode Battery platform.

What It Is & Microarchitecture

Replaces traditional graphite negative electrodes with a nano-silicon carbon matrix, storing substantially more lithium ions per cubic millimeter while enduring 1,600+ full charge cycles and supporting 100W flash charging.

Fabrication Node & Materials

Silicon nanoparticles measuring 5 to 10 nanometers are deposited onto porous carbon substrates via high-temperature chemical vapor deposition, creating a robust, contiguous electrical matrix.

Verified Silicon Metrics

Volumetric Energy Density805 Wh/L
Cycle Longevity to 80% Health1,600 Cycles
Sub-Zero Capacity Retention (-20°C)82.4%
100W Charge Time (0-100%)35 minutes

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Silicon-Carbon High-Density Anode Battery Breakdown
Flagship Mobile Processor (SoC)

Dimensity 9300+

Silicon Score:8.8 / 10

Score Synchronization: The performance rating (7.5) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Dimensity 9300+ platform.

What It Is & Microarchitecture

Features 4x Cortex-X4 prime cores and 4x Cortex-A720 cores with Immortalis ray-tracing graphics.

Fabrication Node & Materials

Utilizes state-of-the-art semiconductor manufacturing on TSMC 4nm (N4P) for tight gate pitch and reduced parasitic capacitance.

Verified Silicon Metrics

Geekbench 6 Single-Core2,310 points
Geekbench 6 Multi-Core7,700 points
AnTuTu Benchmark v102,250,000 points

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Dimensity 9300+ Breakdown
Flagship Mobile Processor (SoC)

Dimensity 9300

Silicon Score:8.8 / 10

Score Synchronization: The performance rating (7) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Dimensity 9300 platform.

What It Is & Microarchitecture

Proved that an all-performance core design achieves higher efficiency when finishing tasks rapidly.

Fabrication Node & Materials

Utilizes state-of-the-art semiconductor manufacturing on TSMC 4nm (N4P) for tight gate pitch and reduced parasitic capacitance.

Verified Silicon Metrics

Geekbench 6 Single-Core2,240 points
Geekbench 6 Multi-Core7,400 points
AnTuTu Benchmark v102,100,000 points

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Dimensity 9300 Breakdown
Mobile Image Sensor

Sony IMX906

Silicon Score:8.6 / 10

Score Synchronization: The performance rating (8.6) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Sony IMX906 platform.

What It Is & Microarchitecture

The Sony IMX906 features a 1/1.56-inch optical area with 1.0µm pixels, 4-in-1 binning to 2.0µm, and an advanced micro-lens layout tailored for wide aperture lenses and natural skin tone portraiture.

Fabrication Node & Materials

Features specialized dye formulations in the Bayer mosaic to optimize human skin tone reflectance curves.

Verified Silicon Metrics

Portrait Resolving Score92.4
Low Light SNR 18%38.2

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Sony IMX906 Breakdown
Battery, Fast Charging & Cooling Technology

Google Tensor 3D Vapor Chamber Cooling

Silicon Score:8.7 / 10

Score Synchronization: The performance rating (8.7) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Google Tensor 3D Vapor Chamber Cooling platform.

What It Is & Microarchitecture

Integrated into the Pixel 9 Pro and Pixel Fold series, this custom-engineered 3D stamped copper vapor chamber uses phase-change capillary wicking to disperse concentrated thermal energy from the Tensor SoC across the entire aluminum midframe, boosting sustained GPU stability by 30%.

Fabrication Node & Materials

Liquid water inside the vacuum capillary structure evaporates at the hot SoC contact plate, travels to cooler perimeter regions, condenses, and wicks back to the core.

Verified Silicon Metrics

Sustained GPU Stability84.2
Die Temp Reduction6.2

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Google Tensor 3D Vapor Chamber Cooling Breakdown
Mobile Image Sensor

Sony IMX355 Ultra-Wide

Silicon Score:8.0 / 10

Score Synchronization: The performance rating (7.9) and graphics capability scored on Xiaomi Redmi K70 Ultra are directly calibrated against the empirical benchmark standards of this Sony IMX355 Ultra-Wide platform.

What It Is & Microarchitecture

The Sony IMX355 is an 8MP 1/4.0-inch backside-illuminated (BSI) CMOS image sensor featuring 1.12µm pixels, wide 120-degree field of view support, and exceptional lens integration versatility, powering the secondary ultra-wide cameras on hundreds of millions of Android smartphones worldwide.

Fabrication Node & Materials

Engineered using advanced stacked backside-illuminated silicon die bonding with pixel-level deep trench isolation.

Verified Silicon Metrics

Field of View120°+
Power Consumption85 mW
Video Frame Rate1080p@60fps

Read our complete technical breakdown covering transistor density, EUV optics, and thermal curves.

Read Full Sony IMX355 Ultra-Wide Breakdown

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Xiaomi Redmi K70 Ultra price by country

Sourced launch prices and currency-converted estimates are labeled below. Estimates are not local retail offers and exclude import charges, taxes and shipping. Local availability and current selling prices may differ.

CountryPrice / estimateBasis and variant
United Statesyour market$499Base Storage
United Kingdom£46924GB/1024GB launch price
CanadaCA$67924GB/1024GB official launch MSRP
AustraliaA$49924GB/1024GB official launch MSRP
Germany€54924GB/1024GB European launch price
France€54924GB/1024GB European launch price
Netherlands€54924GB/1024GB European launch price
SwitzerlandCHF 46924GB/1024GB official launch MSRP
Norwaykr 5,89024GB/1024GB official launch MSRP
Swedenkr 6,09024GB/1024GB official launch MSRP
Denmarkkr 4,09924GB/1024GB official launch MSRP
Ireland€51924GB/1024GB official launch MSRP
New ZealandNZ$83924GB/1024GB official launch MSRP
SingaporeS$67924GB/1024GB official launch MSRP
United Arab EmiratesAED 1,82924GB/1024GB official launch MSRP
Saudi ArabiaSAR 1,86924GB/1024GB official launch MSRP
Japan¥77,30024GB/1024GB official launch MSRP
Austria€51924GB/1024GB official launch MSRP
Belgium€51924GB/1024GB official launch MSRP
Finland€51924GB/1024GB official launch MSRP
Italy€51924GB/1024GB official launch MSRP
Spain€51924GB/1024GB official launch MSRP
Portugal€51924GB/1024GB official launch MSRP
Greece€51924GB/1024GB official launch MSRP
Polandzł 2,06924GB/1024GB official launch MSRP
CzechiaKč 12,19024GB/1024GB official launch MSRP
Israel₪1,86924GB/1024GB official launch MSRP
South Korea₩689,00024GB/1024GB official launch MSRP
Hong KongHK$3,89924GB/1024GB official launch MSRP
TaiwanNT$16,20024GB/1024GB official launch MSRP
QatarQAR 1,81924GB/1024GB official launch MSRP
KuwaitKD 15424GB/1024GB official launch MSRP
India₹44,99924GB/1024GB official India price
PakistanRs 139,99924GB/1024GB official launch MSRP
Bangladesh৳60,99924GB/1024GB official launch MSRP
IndonesiaRp 8,079,00024GB/1024GB official launch MSRP
Philippines₱29,19024GB/1024GB official launch MSRP
MalaysiaRM 2,31924GB/1024GB official launch MSRP
Vietnam₫12,670,00024GB/1024GB official launch MSRP
BrazilR$2,89924GB/1024GB official launch MSRP
MexicoMX$9,69924GB/1024GB official launch MSRP
Nigeria₦773,00024GB/1024GB official launch MSRP
South AfricaR 9,39924GB/1024GB official launch MSRP
EgyptE£24,69924GB/1024GB official launch MSRP
Türkiye₺18,19924GB/1024GB official launch MSRP