Redmi K40 vs Vivo iQOO Z7
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo iQOO Z7 (2023) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Redmi K40 leads — 34/100 vs 26/100 (a 8-point difference). Key differences: the Redmi K40 has the bigger battery (4520 mAh vs 4500); the main camera is 48 MP vs 64 MP; the Vivo iQOO Z7 is noticeably lighter (173g vs 196g).
Redmi K40
Vivo iQOO Z7
- Bigger battery: 4520 vs 4500 mAh
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (8/100 vs 0/100)
- Better display (100/100 vs 50/100)
- Better value for money (89/100 vs 55/100)
- Faster charging: 44W vs 33W
- Better main camera: 64MP vs 48MP
- Lighter: 173g vs 196g
- Better camera (37/100 vs 31/100)
- Longer battery life (30/100 vs 28/100)
- Better design/ergonomics (83/100 vs 55/100)
Comparing the Redmi K40 vs the Vivo iQOO Z7, the Redmi K40 scores 8 points higher (34/100 vs 26/100). In the "value for money" category, the Redmi K40 leads (89/100 vs 55/100). In the "performance" category, the Redmi K40 is a bit better (8/100 vs 0/100). In the "display" category, the Redmi K40 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 31/100). In the "battery" category, the Vivo iQOO Z7 and the Redmi K40 are nearly equal (30/100 vs 28/100). In the "design" category, the Vivo iQOO Z7 notably outperforms the Redmi K40 (83/100 vs 55/100). In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z7 (89/100 vs 55/100).
| Specification | Redmi K40 | Vivo iQOO Z7 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | MediaTek Dimensity 920 | |
| AnTuTu | 1010069 | — | |
| Geekbench Single | 1298 | — | |
| Geekbench Multi | 3520 | — | |
| Display | 6.7" AMOLED | 6.4" AMOLED | |
| Resolution | 2400x1080 | 1080x2400 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 4520 mAh | 4500 mAh | |
| Charging | 33W | 44W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB | 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 11 | Android 13, Funtouch 13 | |
| Brightness (peak) | — | 1300 nits | |
| NFC | — | no | |
| Protection | — | IP54 | |
| Dimensions | — | 158.9×73.5×7.8 mm | |
| Weight | 196 g | 173 g | |
| Price | $309 | — |
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z7
- Main: 64MP
- Front: 16MP
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO Z7
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K40
- 4520 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z7
- 4500 mAh
- Wired: 44W
- No wireless charging
Vivo iQOO Z7
Price unknownperformance
In the "performance" category, the Redmi K40 is a bit better (8/100 vs 0/100).
display
In the "display" category, the Redmi K40 significantly outperforms the Vivo iQOO Z7 (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO Z7 is a bit better (37/100 vs 31/100).
battery
In the "battery" category, the Vivo iQOO Z7 and the Redmi K40 are nearly equal (30/100 vs 28/100).
design
In the "design" category, the Vivo iQOO Z7 notably outperforms the Redmi K40 (83/100 vs 55/100).
value for money
In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z7 (89/100 vs 55/100).
Which is better: the Redmi K40 or the Vivo iQOO Z7?
The Redmi K40 edges out the Vivo iQOO Z7 by just 8 points — the two devices are very close in overall level.
What is the rating of the Redmi K40 and the Vivo iQOO Z7?
The Redmi K40 has a MobileRank rating of 34/100, the Vivo iQOO Z7 — 26/100.
Which has the better camera: the Redmi K40 or the Vivo iQOO Z7?
The Vivo iQOO Z7 leads on camera score (37/100 vs 31/100).
Which is more powerful: the Redmi K40 or the Vivo iQOO Z7?
The Redmi K40 leads on performance (8/100 vs 0/100).
Should you choose the Redmi K40 over the Vivo iQOO Z7?
The Redmi K40 is a better fit for budget-conscious buyers. The Vivo iQOO Z7 is a better fit for everyday use.