Redmi K40 vs Vivo Y77 (China)
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi K40 leads — 34/100 vs 29/100 (a 5-point difference). Key differences: the Redmi K40 has the bigger battery (4520 mAh vs 4500); the main camera is 48 MP vs 50 MP.
Redmi K40
Vivo Y77 (China)
- Bigger battery: 4520 vs 4500 mAh
- Higher performance (8/100 vs 0/100)
- Better camera (31/100 vs 24/100)
- Better value for money (89/100 vs 55/100)
- Faster charging: 80W vs 33W
- Better main camera: 50MP vs 48MP
- Lighter: 194g vs 196g
- Longer battery life (39/100 vs 28/100)
- Better design/ergonomics (57/100 vs 55/100)
Comparing the Redmi K40 vs the Vivo Y77 (China), the Redmi K40 scores 5 points higher (34/100 vs 29/100). In the "battery" category, the Vivo Y77 (China) leads (39/100 vs 28/100). 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, both devices are on the same level — 100/100. In the "camera" category, the Redmi K40 is a bit better (31/100 vs 24/100). In the "battery" category, the Vivo Y77 (China) is a bit better (39/100 vs 28/100). In the "design" category, the Vivo Y77 (China) and the Redmi K40 are nearly equal (57/100 vs 55/100). In the "value for money" category, the Redmi K40 significantly outperforms the Vivo Y77 (China) (89/100 vs 55/100).
| Specification | Redmi K40 | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | MediaTek Dimensity 930 | |
| AnTuTu | 1010069 | — | |
| Geekbench Single | 1298 | — | |
| Geekbench Multi | 3520 | — | |
| Display | 6.7" AMOLED | 6.6" IPS LCD | |
| Resolution | 2400x1080 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 4500 mAh | |
| Charging | 33W | 80W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 6GB / 8GB / 12GB | 6GB / 8GB / 12GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 11 | Android 12, Origin OS Ocean | |
| NFC | — | no | |
| Dimensions | — | 164.2×75.8×8.6 mm | |
| Weight | 196 g | 194 g | |
| Price | $309 | — |
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Redmi K40
- 4520 mAh
- Wired: 33W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
Price unknownperformance
In the "performance" category, the Redmi K40 is a bit better (8/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K40 is a bit better (31/100 vs 24/100).
battery
In the "battery" category, the Vivo Y77 (China) is a bit better (39/100 vs 28/100).
design
In the "design" category, the Vivo Y77 (China) and the Redmi K40 are nearly equal (57/100 vs 55/100).
value for money
In the "value for money" category, the Redmi K40 significantly outperforms the Vivo Y77 (China) (89/100 vs 55/100).
Which is better: the Redmi K40 or the Vivo Y77 (China)?
The Redmi K40 edges out the Vivo Y77 (China) by just 5 points — the two devices are very close in overall level.
What is the rating of the Redmi K40 and the Vivo Y77 (China)?
The Redmi K40 has a MobileRank rating of 34/100, the Vivo Y77 (China) — 29/100.
Which has the better camera: the Redmi K40 or the Vivo Y77 (China)?
The Redmi K40 leads on camera score (31/100 vs 24/100).
Which is more powerful: the Redmi K40 or the Vivo Y77 (China)?
The Redmi K40 leads on performance (8/100 vs 0/100).
Should you choose the Redmi K40 over the Vivo Y77 (China)?
The Redmi K40 is a better fit for budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.