Redmi K80 Ultra vs Xiaomi 15T
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Xiaomi 15T (2025) runs on the MediaTek Dimensity 8400 Ultra; estimated prices are $350 and $449. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 52/100 (a 8-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5500); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 1,915,524); the Xiaomi 15T is noticeably lighter (194g vs 219g).
Redmi K80 Ultra
Xiaomi 15T
- Higher AnTuTu: 2876004 vs 1915524
- Better Geekbench Single: 2729 vs 1579
- Better Geekbench Multi: 8430 vs 6100
- Bigger battery: 7410 vs 5500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $350 vs $449
- Higher performance (61/100 vs 30/100)
- Longer battery life (72/100 vs 54/100)
- Better value for money (86/100 vs 79/100)
- Lighter: 194g vs 219g
- Better camera (55/100 vs 32/100)
- Better design/ergonomics (57/100 vs 26/100)
Comparing the Redmi K80 Ultra vs the Xiaomi 15T, the Redmi K80 Ultra scores 8 points higher (60/100 vs 52/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 30/100). In the "camera" category, the Xiaomi 15T leads (55/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 54/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Xiaomi 15T (61/100 vs 30/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 15T notably outperforms the Redmi K80 Ultra (55/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Xiaomi 15T (72/100 vs 54/100). In the "design" category, the Xiaomi 15T significantly outperforms the Redmi K80 Ultra (57/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
| Specification | Redmi K80 Ultra | Xiaomi 15T | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Dimensity 8400 Ultra | |
| AnTuTu | 2876004 | 1915524 | |
| Geekbench Single | 2729 | 1579 | |
| Geekbench Multi | 8430 | 6100 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 2712x1220 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5500 mAh | |
| Charging | 100W | 67W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 15 | |
| Brightness (peak) | 3200 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 163.2×78.0×7.5 mm | |
| Weight | 219 g | 194 g | |
| Price | $350 | $449 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 15T
- Main: 50MP f/1.6
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 20MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Xiaomi 15T
- 6.8" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
Xiaomi 15T
- 5500 mAh
- Wired: 67W
- No wireless charging
We compared Redmi K80 Ultra and Xiaomi 15T, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Xiaomi 15T by 50.1% in our overall performance rating.
Price difference: $99. Redmi K80 Ultra is cheaper by $99.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Xiaomi 15T (61/100 vs 30/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Xiaomi 15T notably outperforms the Redmi K80 Ultra (55/100 vs 32/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Xiaomi 15T (72/100 vs 54/100).
design
In the "design" category, the Xiaomi 15T significantly outperforms the Redmi K80 Ultra (57/100 vs 26/100).
value for money
In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
Which is better: the Redmi K80 Ultra or the Xiaomi 15T?
The Redmi K80 Ultra edges out the Xiaomi 15T by just 8 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Xiaomi 15T?
The Redmi K80 Ultra has a MobileRank rating of 60/100, the Xiaomi 15T — 52/100.
Which has the better camera: the Redmi K80 Ultra or the Xiaomi 15T?
The Xiaomi 15T leads on camera score (55/100 vs 32/100).
Which is more powerful: the Redmi K80 Ultra or the Xiaomi 15T?
The Redmi K80 Ultra leads on performance (61/100 vs 30/100).
Should you choose the Redmi K80 Ultra over the Xiaomi 15T?
The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Xiaomi 15T is a better fit for budget-conscious buyers.