Redmi K40 vs Vivo iQOO Neo 11 Ultra
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo iQOO Neo 11 Ultra (2026) runs on the MediaTek Dimensity 9500M; launch prices were $309 and $548. By overall MobileRank rating, the Vivo iQOO Neo 11 Ultra leads — 75/100 vs 54/100 (a 21-point difference). Key differences: the Vivo iQOO Neo 11 Ultra has the bigger battery (9100 mAh vs 4520); the main camera is 48 MP vs 50 MP; the Vivo iQOO Neo 11 Ultra is faster in AnTuTu (3,579,952 vs 1,010,069); the Redmi K40 is noticeably lighter (196g vs 225g).
Profile comparison
Category scores
Redmi K40
Vivo iQOO Neo 11 Ultra
What makes Redmi K40 better?
- Lighter: 196g vs 225g
- Cheaper at launch: $309 vs $548
- Better camera (36/100 vs 35/100)
- Better portability (64/100 vs 38/100)
What makes Vivo iQOO Neo 11 Ultra better?
- Higher AnTuTu: 3579952 vs 1010069
- Better Geekbench Single: 3293 vs 1298
- Better Geekbench Multi: 10243 vs 3520
- Bigger battery: 9100 vs 4520 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (95/100 vs 61/100)
- Longer battery life (80/100 vs 42/100)
- Better display (99/100 vs 79/100)
Comparison verdict
Comparing the Redmi K40 vs the Vivo iQOO Neo 11 Ultra, the Vivo iQOO Neo 11 Ultra scores 21 points higher (75/100 vs 54/100). In the "performance" category, the Vivo iQOO Neo 11 Ultra leads (95/100 vs 61/100). In the "battery" category, the Vivo iQOO Neo 11 Ultra leads (80/100 vs 42/100). Value score: Redmi K40 — 46/100, Vivo iQOO Neo 11 Ultra — 68/100; 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 Vivo iQOO Neo 11 Ultra significantly outperforms the Redmi K40 (95/100 vs 61/100). In the "display" category, the Vivo iQOO Neo 11 Ultra notably outperforms the Redmi K40 (99/100 vs 79/100). In the "camera" category, the Redmi K40 and the Vivo iQOO Neo 11 Ultra are nearly equal (36/100 vs 35/100). In the "battery" category, the Vivo iQOO Neo 11 Ultra significantly outperforms the Redmi K40 (80/100 vs 42/100). In the "portability" category, the Redmi K40 notably outperforms the Vivo iQOO Neo 11 Ultra (64/100 vs 38/100).
Specs comparison
| Specification | Redmi K40 | Vivo iQOO Neo 11 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | MediaTek Dimensity 9500M | |
| AnTuTu | 1010069 | 3579952 | |
| Geekbench Single | 1298 | 3293 | |
| Geekbench Multi | 3520 | 10243 | |
| Display | 6.7" AMOLED | 6.8" LTPS AMOLED | |
| Resolution | 2400x1080 | 1440x3200 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4520 mAh | 9100 mAh | |
| Charging | 33W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 11 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 1300 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 163.7×76.4×7.8 mm | 163.4×75.9×8.6 mm | |
| Weight | 196 g | 225 g | |
| Launch price | $309 | $548 |
Camera comparison
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Neo 11 Ultra
- Main: 50MP f/1.88
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO Neo 11 Ultra
- 6.8" LTPS AMOLED
- Resolution: 1440x3200
- Refresh rate: 144 Hz
Battery and charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Vivo iQOO Neo 11 Ultra
- 9100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K40 and Vivo iQOO Neo 11 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO Neo 11 Ultra leads Redmi K40 by 71.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $239. Redmi K40 was $239 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO Neo 11 Ultra significantly outperforms the Redmi K40 (95/100 vs 61/100).
display
In the "display" category, the Vivo iQOO Neo 11 Ultra notably outperforms the Redmi K40 (99/100 vs 79/100).
camera
In the "camera" category, the Redmi K40 and the Vivo iQOO Neo 11 Ultra are nearly equal (36/100 vs 35/100).
battery
In the "battery" category, the Vivo iQOO Neo 11 Ultra significantly outperforms the Redmi K40 (80/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 notably outperforms the Vivo iQOO Neo 11 Ultra (64/100 vs 38/100).
Frequently asked questions
Which is better: the Redmi K40 or the Vivo iQOO Neo 11 Ultra?
The Vivo iQOO Neo 11 Ultra significantly outperforms the Redmi K40 by 21 points (75/100 vs 54/100).
What is the rating of the Redmi K40 and the Vivo iQOO Neo 11 Ultra?
The Redmi K40 has a MobileRank rating of 54/100, the Vivo iQOO Neo 11 Ultra — 75/100.
Which is more powerful: the Redmi K40 or the Vivo iQOO Neo 11 Ultra?
The Vivo iQOO Neo 11 Ultra leads on performance (95/100 vs 61/100).
Should you choose the Redmi K40 over the Vivo iQOO Neo 11 Ultra?
The Redmi K40 is a better fit for active users. The Vivo iQOO Neo 11 Ultra is a better fit for gamers and power users, those who care about battery life.