Poco C51 vs Redmi K80 Ultra
The Poco C51 (2023) runs on the MediaTek Helio G36, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 26/100 (a 47-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 195,539); the Redmi K80 Ultra has NFC for contactless payments, the Poco C51 doesn't; the Poco C51 is noticeably lighter (192g vs 219g).
Poco C51
Redmi K80 Ultra
- Lighter: 192g vs 219g
- Better portability (52/100 vs 40/100)
- Higher AnTuTu: 2876004 vs 195539
- Better Geekbench Single: 2729 vs 189
- Better Geekbench Multi: 8430 vs 781
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 10W
- Higher performance (89/100 vs 11/100)
- Longer battery life (86/100 vs 43/100)
- Better display (94/100 vs 39/100)
Comparing the Poco C51 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 47 points higher (73/100 vs 26/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 11/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 43/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (89/100 vs 11/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (94/100 vs 39/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (86/100 vs 43/100). In the "portability" category, the Poco C51 is a bit better (52/100 vs 40/100).
| Specification | Poco C51 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | MediaTek Dimensity 9400+ | |
| AnTuTu | 195539 | 2876004 | |
| Geekbench Single | 189 | 2729 | |
| Geekbench Multi | 781 | 8430 | |
| Display | 6.5" IPS LCD | 6.8" OLED | |
| Resolution | 720x1600 | 1280x2772 | |
| Refresh rate | — | 144 Hz | |
| Battery | 5000 mAh | 7410 mAh | |
| Charging | 10W | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 13 (Go edition), MIUI | Android 15 | |
| Brightness (peak) | 400 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.9×76.8×9.1 mm | — | |
| Weight | 192 g | 219 g | |
| Launch price | — | $350 |
Poco C51
- Main: —
- Front: 5MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Poco C51
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Poco C51
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
We compared Poco C51 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Poco C51 by 93.2% in our overall performance rating.
Poco C51
Price unknownperformance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (89/100 vs 11/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (94/100 vs 39/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Poco C51 (86/100 vs 43/100).
portability
In the "portability" category, the Poco C51 is a bit better (52/100 vs 40/100).
Which is better: the Poco C51 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Poco C51 by 47 points (73/100 vs 26/100).
What is the rating of the Poco C51 and the Redmi K80 Ultra?
The Poco C51 has a MobileRank rating of 26/100, the Redmi K80 Ultra — 73/100.
Which is more powerful: the Poco C51 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 11/100).
Should you choose the Poco C51 over the Redmi K80 Ultra?
The Poco C51 is a better fit for everyday use. The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.