Xiaomi Redmi K70 Ultra vs Xiaomi Redmi Note 15 Pro Plus 5G

Compare Xiaomi Redmi K70 Ultra vs Xiaomi Redmi Note 15 Pro Plus 5G side by side: MediaTek Dimensity 9300+ (4 nm) vs Qualcomm Snapdragon 7s Gen 3, 50MP vs 50MP…

Xiaomi

Redmi Note 15 Pro Plus 5G

$369

4categories won

6 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 Note 15 Pro Plus 5G, delivering a stronger technical package across gaming and photography. In camera testing, the Redmi K70 Ultra leads with sharper imaging, while battery life remains closely matched. Choose the Redmi K70 Ultra if you want the highest performance ceiling, or opt for the Redmi Note 15 Pro Plus 5G if its lower retail price better fit your budget.

🔋 BatteryTie

Both phones deliver comparable battery performance with 5,500 mAh.

🎮 GamingRedmi K70 Ultra

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

📸 CameraRedmi K70 Ultra

Redmi K70 Ultra wins photography with 50MP main imaging.

🏷️ ValueRedmi Note 15 Pro Plus 5G

Redmi Note 15 Pro Plus 5G wins on budget and value at $369 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 Note 15 Pro Plus 5G: specifications compared

Display

Display comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Screen size	6.67"	6.67"
Resolution	1220 x 2712	1220 x 2712
Pixel density	446 ppi	446 ppi
Refresh rate	144 HzWinner	120 Hz
Peak brightness	4000 nitsWinner	3000 nits

Performance

Performance comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Chipset	MediaTek Dimensity 9300+ (4 nm)	Qualcomm Snapdragon 7s Gen 3
Process node	4 nm	4 nm
AnTuTu score	3,200,000Winner	2,400,000
Geekbench multi	10800Winner	8900
Maximum RAM	24 GBWinner	16 GB
Maximum storage	1TBWinner	512GB

Camera

Camera comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Main sensor	50 MP	50 MP
Rear cameras	3	3
Ultrawide	8 MP	12 MPWinner
Selfie camera	20 MPWinner	16 MP
Max video	8K at 24fps	8K at 30fps / 4K at 120fps

Battery and charging

Battery and charging comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Capacity	5,500 mAh	6,200 mAhWinner
Wired charging	120 WWinner	45 W
Wireless charging	25 WWinner	15 W

Design

Design comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Weight	211 g	204 gWinner
Thickness	8.39 mm	8.6 mm
Water resistance	IP68	IP68
Build	High-strength aluminum alloy frame, Xiaomi Longjing Glass front, glass back	Curved glass back, high-strength composite frame, Gorilla Glass Victus 2 front

Software and support

Software and support comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
Operating system	Android 14 (HyperOS)	Android 15
OS updates	4 yearsWinner	3 years
Security updates	4 yearsWinner	3 years

Connectivity and value

Connectivity and value comparison between the Xiaomi Redmi K70 Ultra, Xiaomi Redmi Note 15 Pro Plus 5G
Specification	Redmi K70 Ultra	Redmi Note 15 Pro Plus 5G
5G	Yes	Yes
Wi-Fi	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Storage expansion	None	None
3.5mm jack	No	No
Launch price	$499	$369Winner