Xiaomi Redmi K70 Ultra vs Xiaomi Redmi K80

Compare Xiaomi Redmi K70 Ultra vs Xiaomi Redmi K80 side by side: MediaTek Dimensity 9300+ (4 nm) vs Qualcomm Snapdragon 8 Gen 3, 50MP vs 50MP camera, 5500mAh…

Xiaomi

Redmi K80

$389

6categories won

7 categories tied · 21 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Xiaomi Redmi K70 Ultra takes the overall win

Overall Pick

The Xiaomi Redmi K70 Ultra claims the overall win over the Xiaomi Redmi K80, delivering a stronger technical package across battery endurance and core hardware. In camera testing, the two devices offer similar flexibility, while battery endurance leans towards the Redmi K70 Ultra. Choose the Redmi K70 Ultra if you want the highest performance ceiling, or opt for the Redmi K80 if its lower retail price better fit your budget.

🔋 BatteryRedmi K70 Ultra

Redmi K70 Ultra wins on endurance with 5,500 mAh and 120W fast charging.

🎮 GamingRedmi K70 Ultra

Redmi K70 Ultra leads gaming and raw performance powered by the MediaTek Dimensity 9300+ (4 nm) and 24GB RAM.

📸 CameraTie

Both camera setups are closely matched for daily street photography and low-light shooting.

🏷️ ValueRedmi K80

Redmi K80 wins on budget and value at $389 compared to $499.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Redmi K70 Ultra vs Redmi K80: specifications compared

Display

Display comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Screen size	6.67"	6.67"
Resolution	1220 x 2712	1440 x 3200Winner
Pixel density	446 ppi	526 ppiWinner
Refresh rate	144 HzWinner	120 Hz
Peak brightness	4000 nitsWinner	3200 nits

Performance

Performance comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Chipset	MediaTek Dimensity 9300+ (4 nm)	Qualcomm Snapdragon 8 Gen 3
Process node	4 nm	4 nm
AnTuTu score	3,200,000Winner	2,150,000
Geekbench multi	10800Winner	6920
Maximum RAM	24 GBWinner	16 GB
Maximum storage	1TB	1TB

Camera

Camera comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Main sensor	50 MP	50 MP
Rear cameras	3Winner	2
Ultrawide	8 MP	8 MP
Selfie camera	20 MP	20 MP
Max video	8K at 24fps	8K@24fps, 4K@60fps

Battery and charging

Battery and charging comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Capacity	5,500 mAh	6,550 mAhWinner
Wired charging	120 WWinner	90 W
Wireless charging	25 WWinner	No

Design

Design comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Weight	211 g	206 gWinner
Thickness	8.39 mm	8.1 mm
Water resistance	IP68	IP68
Build	High-strength aluminum alloy frame, Xiaomi Longjing Glass front, glass back	Matte aluminum metal frame, circular deco camera module, glass back

Software and support

Software and support comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
Operating system	Android 14 (HyperOS)	Android 15
OS updates	4 years	4 years
Security updates	4 years	5 yearsWinner

Connectivity and value

Connectivity and value comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi K80
Specification	Redmi K70 Ultra	Redmi K80
5G	Yes	Yes
Wi-Fi	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)	Wi-Fi 7 (802.11be)
Storage expansion	None	None
3.5mm jack	No	No
Launch price	$499	$389Winner