Realme 8i vs Redmi K80 Ultra
The Realme 8i (2021) runs on the MediaTek Helio G96, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 43/100 (a 30-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 493,222); the Redmi K80 Ultra has NFC for contactless payments, the Realme 8i doesn't; the Realme 8i is noticeably lighter (194g vs 219g).
Realme 8i
Redmi K80 Ultra
- Lighter: 194g vs 219g
- Better portability (57/100 vs 40/100)
- Higher AnTuTu: 2876004 vs 493222
- Better Geekbench Single: 2729 vs 678
- Better Geekbench Multi: 8430 vs 1895
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (89/100 vs 41/100)
- Better camera (37/100 vs 32/100)
- Longer battery life (86/100 vs 43/100)
- Better display (94/100 vs 66/100)
Comparing the Realme 8i vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 30 points higher (73/100 vs 43/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 41/100). 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 Realme 8i (89/100 vs 41/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Realme 8i (94/100 vs 66/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme 8i (86/100 vs 43/100). In the "portability" category, the Realme 8i notably outperforms the Redmi K80 Ultra (57/100 vs 40/100).
| Specification | Realme 8i | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G96 | MediaTek Dimensity 9400+ | |
| AnTuTu | 493222 | 2876004 | |
| Geekbench Single | 678 | 2729 | |
| Geekbench Multi | 1895 | 8430 | |
| Display | 6.6" IPS LCD | 6.8" OLED | |
| Resolution | 1080x2412 | 1280x2772 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 7410 mAh | |
| Charging | 18W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Realme UI 2.0 | Android 15 | |
| Brightness (peak) | 600 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.1×75.5×8.5 mm | — | |
| Weight | 194 g | 219 g | |
| Launch price | — | $350 |
Realme 8i
- Main: 50MP f/f/1.8
- Front: 16MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Realme 8i
- 6.6" IPS LCD
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Realme 8i
- 5000 mAh
- Wired: 18W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
We compared Realme 8i and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Realme 8i by 82.9% in our overall performance rating.
Realme 8i
Price unknownperformance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme 8i (89/100 vs 41/100).
display
In the "display" category, the Redmi K80 Ultra notably outperforms the Realme 8i (94/100 vs 66/100).
camera
In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme 8i (86/100 vs 43/100).
portability
In the "portability" category, the Realme 8i notably outperforms the Redmi K80 Ultra (57/100 vs 40/100).
Which is better: the Realme 8i or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Realme 8i by 30 points (73/100 vs 43/100).
What is the rating of the Realme 8i and the Redmi K80 Ultra?
The Realme 8i has a MobileRank rating of 43/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Realme 8i or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on camera score (37/100 vs 32/100).
Which is more powerful: the Realme 8i or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 41/100).
Should you choose the Realme 8i over the Redmi K80 Ultra?
The Realme 8i 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.