Infinix Smart 8 Plus vs Redmi K80 Ultra
The Infinix Smart 8 Plus (2024) 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 29/100 (a 44-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 6000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 195,539); the Redmi K80 Ultra has NFC for contactless payments, the Infinix Smart 8 Plus doesn't; the Infinix Smart 8 Plus is noticeably lighter (204g vs 219g).
Infinix Smart 8 Plus
Redmi K80 Ultra
- Lighter: 204g vs 219g
- Better portability (46/100 vs 40/100)
- Higher AnTuTu: 2876004 vs 195539
- Better Geekbench Single: 2729 vs 189
- Better Geekbench Multi: 8430 vs 781
- Bigger battery: 7410 vs 6000 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (89/100 vs 11/100)
- Longer battery life (86/100 vs 51/100)
- Better display (94/100 vs 44/100)
Comparing the Infinix Smart 8 Plus vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 44 points higher (73/100 vs 29/100). 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 51/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (89/100 vs 11/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (94/100 vs 44/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (86/100 vs 51/100). In the "portability" category, the Infinix Smart 8 Plus is a bit better (46/100 vs 40/100).
| Specification | Infinix Smart 8 Plus | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | MediaTek Dimensity 9400+ | |
| AnTuTu | 195539 | 2876004 | |
| Geekbench Single | 189 | 2729 | |
| Geekbench Multi | 781 | 8430 | |
| Display | 6.6" IPS LCD | 6.8" OLED | |
| Resolution | 720x1612 | 1280x2772 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 6000 mAh | 7410 mAh | |
| Charging | 18W | 100W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13 (Go edition), XOS 13 | Android 15 | |
| Brightness (peak) | 500 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.7×75.7×9.0 mm | — | |
| Weight | 204 g | 219 g | |
| Launch price | — | $350 |
Infinix Smart 8 Plus
- Main: —
- Front: 8MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Infinix Smart 8 Plus
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Infinix Smart 8 Plus
- 6000 mAh
- Wired: 18W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
We compared Infinix Smart 8 Plus and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Infinix Smart 8 Plus by 93.2% in our overall performance rating.
Infinix Smart 8 Plus
Price unknownperformance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (89/100 vs 11/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (94/100 vs 44/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus (86/100 vs 51/100).
portability
In the "portability" category, the Infinix Smart 8 Plus is a bit better (46/100 vs 40/100).
Which is better: the Infinix Smart 8 Plus or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Infinix Smart 8 Plus by 44 points (73/100 vs 29/100).
What is the rating of the Infinix Smart 8 Plus and the Redmi K80 Ultra?
The Infinix Smart 8 Plus has a MobileRank rating of 29/100, the Redmi K80 Ultra — 73/100.
Which is more powerful: the Infinix Smart 8 Plus or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 11/100).
Should you choose the Infinix Smart 8 Plus over the Redmi K80 Ultra?
The Infinix Smart 8 Plus 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.