Redmi K80 vs Xiaomi 15 Ultra
The Redmi K80 (2024) runs on the Qualcomm Snapdragon 8 Gen 3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $345 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 67/100 (a 18-point difference). Key differences: the Redmi K80 has the bigger battery (6550 mAh vs 6000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 2,288,566); the Redmi K80 is thinner (8.1mm vs 9.4mm).
Redmi K80
Xiaomi 15 Ultra
- Bigger battery: 6550 vs 6000 mAh
- Lighter: 213g vs 225g
- Cheaper at launch: $345 vs $999
- Better portability (50/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 2288566
- Better Geekbench Single: 3050 vs 2205
- Better Geekbench Multi: 10200 vs 7192
- Higher performance (92/100 vs 82/100)
- Better camera (87/100 vs 37/100)
- Longer battery life (80/100 vs 68/100)
Comparing the Redmi K80 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 18 points higher (85/100 vs 67/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 82/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 37/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 68/100). Value score: Redmi K80 — 74/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 82/100). In the "display" category, both devices are on the same level — 90/100. In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi K80 (87/100 vs 37/100). In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 68/100). In the "portability" category, the Redmi K80 notably outperforms the Xiaomi 15 Ultra (50/100 vs 29/100).
| Specification | Redmi K80 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2288566 | 3030376 | |
| Geekbench Single | 2205 | 3050 | |
| Geekbench Multi | 7192 | 10200 | |
| Display | 6.7" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 3200x1440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6550 mAh | 6000 mAh | |
| Charging | 90W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3200 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 160.3×75.0×8.1 mm | 161.3×75.3×9.4 mm | |
| Weight | 213 g | 225 g | |
| Launch price | $345 | $999 |
Redmi K80
- Main: 50MP f/1.6
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K80
- 6.7" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Redmi K80
- 6550 mAh
- Wired: 90W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Redmi K80 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Redmi K80 by 24.5% in our overall performance rating.
Launch price difference: $654. Redmi K80 was $654 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, both devices are on the same level — 90/100.
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Redmi K80 (87/100 vs 37/100).
battery
In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 68/100).
portability
In the "portability" category, the Redmi K80 notably outperforms the Xiaomi 15 Ultra (50/100 vs 29/100).
Which is better: the Redmi K80 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Redmi K80 — the overall rating gap is 18 points.
What is the rating of the Redmi K80 and the Xiaomi 15 Ultra?
The Redmi K80 has a MobileRank rating of 67/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Redmi K80 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 37/100).
Which is more powerful: the Redmi K80 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 82/100).
Should you choose the Redmi K80 over the Xiaomi 15 Ultra?
The Redmi K80 is a better fit for gamers and power users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.