Poco C51 vs Redmi K90
The Poco C51 (2023) runs on the MediaTek Helio G36, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 26/100 (a 50-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 195,539); the Redmi K90 has NFC for contactless payments, the Poco C51 doesn't; the Redmi K90 is thinner (8.0mm vs 9.1mm).
Poco C51
Redmi K90
- Lighter: 192g vs 206g
- Overall rating 26/100
- Higher AnTuTu: 3088357 vs 195539
- Better Geekbench Single: 3041 vs 189
- Better Geekbench Multi: 9494 vs 781
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 10W
- Higher performance (92/100 vs 11/100)
- Longer battery life (72/100 vs 43/100)
- Better display (82/100 vs 39/100)
- Better portability (55/100 vs 52/100)
Comparing the Poco C51 vs the Redmi K90, the Redmi K90 scores 50 points higher (76/100 vs 26/100). In the "performance" category, the Redmi K90 leads (92/100 vs 11/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). In the "performance" category, the Redmi K90 significantly outperforms the Poco C51 (92/100 vs 11/100). In the "display" category, the Redmi K90 significantly outperforms the Poco C51 (82/100 vs 39/100). In the "battery" category, the Redmi K90 notably outperforms the Poco C51 (72/100 vs 43/100). In the "portability" category, the Redmi K90 and the Poco C51 are nearly equal (55/100 vs 52/100).
| Specification | Poco C51 | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 195539 | 3088357 | |
| Geekbench Single | 189 | 3041 | |
| Geekbench Multi | 781 | 9494 | |
| Display | 6.5" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1600 | 2510x1156 | |
| Refresh rate | — | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | 10W | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB | |
| OS | Android 13 (Go edition), MIUI | Android 16 | |
| Brightness (peak) | 400 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.9×76.8×9.1 mm | 157.5×75.3×8.0 mm | |
| Weight | 192 g | 206 g | |
| Launch price | — | $401 |
Poco C51
- Main: —
- Front: 5MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Poco C51
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Poco C51
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Poco C51 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Poco C51 by 93.7% in our overall performance rating.
Poco C51
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Poco C51 (92/100 vs 11/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Poco C51 (82/100 vs 39/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Poco C51 (72/100 vs 43/100).
portability
In the "portability" category, the Redmi K90 and the Poco C51 are nearly equal (55/100 vs 52/100).
Which is better: the Poco C51 or the Redmi K90?
The Redmi K90 significantly outperforms the Poco C51 by 50 points (76/100 vs 26/100).
What is the rating of the Poco C51 and the Redmi K90?
The Poco C51 has a MobileRank rating of 26/100, the Redmi K90 — 76/100.
Which is more powerful: the Poco C51 or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 11/100).
Should you choose the Poco C51 over the Redmi K90?
The Poco C51 is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.