Redmi K100 vs Vivo Y77 (China)
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 45/100 (a 28-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 4500); the Redmi K100 is faster in AnTuTu (3,298,726 vs 593,307); the Redmi K100 has NFC for contactless payments, the Vivo Y77 (China) doesn't; the Vivo Y77 (China) is noticeably lighter (194g vs 234g).
Profile comparison
Category scores
Redmi K100
Vivo Y77 (China)
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 593307
- Better Geekbench Single: 3013 vs 915
- Better Geekbench Multi: 9287 vs 2299
- Bigger battery: 10000 vs 4500 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 47/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (80/100 vs 45/100)
- Better display (94/100 vs 66/100)
What makes Vivo Y77 (China) better?
- Lighter: 194g vs 234g
- Better portability (56/100 vs 25/100)
Comparison verdict
Comparing the Redmi K100 vs the Vivo Y77 (China), the Redmi K100 scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K100 leads (92/100 vs 47/100). In the "battery" category, the Redmi K100 leads (80/100 vs 45/100). In the "performance" category, the Redmi K100 significantly outperforms the Vivo Y77 (China) (92/100 vs 47/100). In the "display" category, the Redmi K100 notably outperforms the Vivo Y77 (China) (94/100 vs 66/100). In the "camera" category, the Redmi K100 is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K100 significantly outperforms the Vivo Y77 (China) (80/100 vs 45/100). In the "portability" category, the Vivo Y77 (China) significantly outperforms the Redmi K100 (56/100 vs 25/100).
Specs comparison
| Specification | Redmi K100 | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 930 | |
| AnTuTu | 3298726 | 593307 | |
| Geekbench Single | 3013 | 915 | |
| Geekbench Multi | 9287 | 2299 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 1080x2388 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 10000 mAh | 4500 mAh | |
| Charging | 100W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 17 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 164.2×75.8×8.6 mm | |
| Weight | 234 g | 194 g | |
| Launch price | — | — |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo Y77 (China)
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Overall performance score
We compared Redmi K100 and Vivo Y77 (China), covering their specs and all relevant benchmarks.
Redmi K100 leads Vivo Y77 (China) by 456.0% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the Redmi K100 significantly outperforms the Vivo Y77 (China) (92/100 vs 47/100).
display
In the "display" category, the Redmi K100 notably outperforms the Vivo Y77 (China) (94/100 vs 66/100).
camera
In the "camera" category, the Redmi K100 is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K100 significantly outperforms the Vivo Y77 (China) (80/100 vs 45/100).
portability
In the "portability" category, the Vivo Y77 (China) significantly outperforms the Redmi K100 (56/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi K100 or the Vivo Y77 (China)?
The Redmi K100 significantly outperforms the Vivo Y77 (China) by 28 points (73/100 vs 45/100).
What is the rating of the Redmi K100 and the Vivo Y77 (China)?
The Redmi K100 has a MobileRank rating of 73/100, the Vivo Y77 (China) — 45/100.
Which has the better camera: the Redmi K100 or the Vivo Y77 (China)?
The Redmi K100 leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K100 or the Vivo Y77 (China)?
The Redmi K100 leads on performance (92/100 vs 47/100).
Should you choose the Redmi K100 over the Vivo Y77 (China)?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.