Redmi K100 vs Xiaomi 17 Ultra
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra leads — 89/100 vs 74/100 (a 15-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 6000); the Xiaomi 17 Ultra is faster in AnTuTu (3,600,724 vs 3,126,402).
Profile comparison
Category scores
Redmi K100
Xiaomi 17 Ultra
What makes Redmi K100 better?
- Bigger battery: 10000 vs 6000 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Better display (90/100 vs 89/100)
What makes Xiaomi 17 Ultra better?
- Higher AnTuTu: 3600724 vs 3126402
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Higher performance (97/100 vs 91/100)
- Better camera (93/100 vs 37/100)
Comparison verdict
Comparing the Redmi K100 vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 15 points higher (89/100 vs 74/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 37/100). In the "performance" category, the Xiaomi 17 Ultra is a bit better (97/100 vs 91/100). In the "display" category, the Redmi K100 and the Xiaomi 17 Ultra are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Redmi K100 (93/100 vs 37/100). In the "battery" category, both devices are on the same level — 80/100.
Specs comparison
| Specification | Redmi K100 | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3126402 | 3600724 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1156x2510 | 3200x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 10000 mAh | 6000 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 17 | Android 16 | |
| Brightness (peak) | 3500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 162.9×77.6×8.3 mm | |
| Weight | — | 226 g | |
| Launch price | — | $999 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1156x2510
- Refresh rate: 165 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Xiaomi 17 Ultra
- 6000 mAh
- NanoReview test: web browsing 16:09 hrs, total 33:23 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Redmi K100 and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads Redmi K100 by 13.2% 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 Xiaomi 17 Ultra is a bit better (97/100 vs 91/100).
display
In the "display" category, the Redmi K100 and the Xiaomi 17 Ultra are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the Redmi K100 (93/100 vs 37/100).
battery
In the "battery" category, both devices are on the same level — 80/100.
Frequently asked questions
Which is better: the Redmi K100 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra is noticeably better than the Redmi K100 — the overall rating gap is 15 points.
What is the rating of the Redmi K100 and the Xiaomi 17 Ultra?
The Redmi K100 has a MobileRank rating of 74/100, the Xiaomi 17 Ultra — 89/100.
Which has the better camera: the Redmi K100 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 37/100).
Which is more powerful: the Redmi K100 or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (97/100 vs 91/100).
Should you choose the Redmi K100 over the Xiaomi 17 Ultra?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.