Motorola Razr 70 Ultra vs Redmi K40
The Motorola Razr 70 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870; launch prices were $1099 and $309. By overall MobileRank rating, the Motorola Razr 70 Ultra leads — 77/100 vs 54/100 (a 23-point difference). Key differences: the Motorola Razr 70 Ultra has the bigger battery (5000 mAh vs 4520); the main camera is 50 MP vs 48 MP; the Motorola Razr 70 Ultra is faster in AnTuTu (3,126,402 vs 1,010,069).
Profile comparison
Category scores
Motorola Razr 70 Ultra
Redmi K40
What makes Motorola Razr 70 Ultra better?
- Higher AnTuTu: 3126402 vs 1010069
- Better Geekbench Single: 3013 vs 1298
- Better Geekbench Multi: 9287 vs 3520
- Bigger battery: 5000 vs 4520 mAh
- Faster charging: 68W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (91/100 vs 61/100)
- Better camera (60/100 vs 36/100)
- Longer battery life (61/100 vs 42/100)
- Better display (95/100 vs 79/100)
- Better portability (68/100 vs 64/100)
What makes Redmi K40 better?
- Lighter: 196g vs 199g
- Cheaper at launch: $309 vs $1099
- Overall rating 54/100
Comparison verdict
Comparing the Motorola Razr 70 Ultra vs the Redmi K40, the Motorola Razr 70 Ultra scores 23 points higher (77/100 vs 54/100). In the "performance" category, the Motorola Razr 70 Ultra leads (91/100 vs 61/100). In the "camera" category, the Motorola Razr 70 Ultra leads (60/100 vs 36/100). In the "battery" category, the Motorola Razr 70 Ultra leads (61/100 vs 42/100). Value score: Motorola Razr 70 Ultra — 64/100, Redmi K40 — 46/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Motorola Razr 70 Ultra significantly outperforms the Redmi K40 (91/100 vs 61/100). In the "display" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (95/100 vs 79/100). In the "camera" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (60/100 vs 36/100). In the "battery" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (61/100 vs 42/100). In the "portability" category, the Motorola Razr 70 Ultra and the Redmi K40 are nearly equal (68/100 vs 64/100).
Specs comparison
| Specification | Motorola Razr 70 Ultra | Redmi K40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 870 | |
| AnTuTu | 3126402 | 1010069 | |
| Geekbench Single | 3013 | 1298 | |
| Geekbench Multi | 9287 | 3520 | |
| Display | 7.0" pOLED | 6.7" AMOLED | |
| Resolution | 1224x2992 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 5000 mAh | 4520 mAh | |
| Charging | 68W | 33W | |
| Wireless charging | 15W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 16GB | 6GB / 8GB / 12GB | |
| Storage | 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 5000 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP48 | — | |
| Dimensions | 171.5×74.0×7.2 mm | 163.7×76.4×7.8 mm | |
| Weight | 199 g | 196 g | |
| Launch price | $1099 | $309 |
Camera comparison
Motorola Razr 70 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Front: 50MP
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Motorola Razr 70 Ultra
- 7.0" pOLED
- Resolution: 1224x2992
- Refresh rate: 165 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
Motorola Razr 70 Ultra
- 5000 mAh
- Wired: 68W
- Wireless: 15W
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Overall performance score
We compared Motorola Razr 70 Ultra and Redmi K40, covering their specs and all relevant benchmarks.
Motorola Razr 70 Ultra leads Redmi K40 by 209.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $790. Redmi K40 was $790 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Motorola Razr 70 Ultra significantly outperforms the Redmi K40 (91/100 vs 61/100).
display
In the "display" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (95/100 vs 79/100).
camera
In the "camera" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (60/100 vs 36/100).
battery
In the "battery" category, the Motorola Razr 70 Ultra notably outperforms the Redmi K40 (61/100 vs 42/100).
portability
In the "portability" category, the Motorola Razr 70 Ultra and the Redmi K40 are nearly equal (68/100 vs 64/100).
Frequently asked questions
Which is better: the Motorola Razr 70 Ultra or the Redmi K40?
The Motorola Razr 70 Ultra significantly outperforms the Redmi K40 by 23 points (77/100 vs 54/100).
What is the rating of the Motorola Razr 70 Ultra and the Redmi K40?
The Motorola Razr 70 Ultra has a MobileRank rating of 77/100, the Redmi K40 — 54/100.
Which has the better camera: the Motorola Razr 70 Ultra or the Redmi K40?
The Motorola Razr 70 Ultra leads on camera score (60/100 vs 36/100).
Which is more powerful: the Motorola Razr 70 Ultra or the Redmi K40?
The Motorola Razr 70 Ultra leads on performance (91/100 vs 61/100).
Should you choose the Motorola Razr 70 Ultra over the Redmi K40?
The Motorola Razr 70 Ultra is a better fit for gamers and power users. The Redmi K40 is a better fit for active users.