Redmi K100 vs Redmi K80 Ultra
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K100 leads — 74/100 vs 73/100 (a 1-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 7410); the Redmi K100 is faster in AnTuTu (3,126,402 vs 2,874,956).
Profile comparison
Category scores
Redmi K100
Redmi K80 Ultra
What makes Redmi K100 better?
- Higher AnTuTu: 3126402 vs 2874956
- Better Geekbench Single: 3013 vs 2729
- Better Geekbench Multi: 9287 vs 8430
- Bigger battery: 10000 vs 7410 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (91/100 vs 89/100)
What makes Redmi K80 Ultra better?
- Longer battery life (86/100 vs 80/100)
- Better display (94/100 vs 90/100)
Comparison verdict
Comparing the Redmi K100 vs the Redmi K80 Ultra, the Redmi K100 scores 1 points higher (74/100 vs 73/100). In the "performance" category, the Redmi K100 and the Redmi K80 Ultra are nearly equal (91/100 vs 89/100). In the "display" category, the Redmi K80 Ultra and the Redmi K100 are nearly equal (94/100 vs 90/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K80 Ultra is a bit better (86/100 vs 80/100).
Specs comparison
| Specification | Redmi K100 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9400+ | |
| AnTuTu | 3126402 | 2874956 | |
| Geekbench Single | 3013 | 2729 | |
| Geekbench Multi | 9287 | 8430 | |
| Display | 6.8" AMOLED | 6.8" OLED | |
| Resolution | 1156x2510 | 1280x2772 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 10000 mAh | 7410 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 17 | Android 15 | |
| Brightness (peak) | 3500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Weight | — | 219 g | |
| Launch price | — | $350 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1156x2510
- Refresh rate: 165 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
We compared Redmi K100 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K100 leads Redmi K80 Ultra by 8.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K100
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K100 and the Redmi K80 Ultra are nearly equal (91/100 vs 89/100).
display
In the "display" category, the Redmi K80 Ultra and the Redmi K100 are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K80 Ultra is a bit better (86/100 vs 80/100).
Frequently asked questions
Which is better: the Redmi K100 or the Redmi K80 Ultra?
The Redmi K100 edges out the Redmi K80 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K100 and the Redmi K80 Ultra?
The Redmi K100 has a MobileRank rating of 74/100, the Redmi K80 Ultra — 73/100.
Should you choose the Redmi K100 over the Redmi K80 Ultra?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.