Redmi K100 vs Sony Xperia XA2 Ultra
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Sony Xperia XA2 Ultra (2018) runs on the Snapdragon 630. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 19/100 (a 54-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 3580); the main camera is 50 MP vs 23 MP; the Redmi K100 is faster in AnTuTu (3,298,726 vs 215,323).
Profile comparison
Category scores
Redmi K100
Sony Xperia XA2 Ultra
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 215323
- Better Geekbench Single: 3013 vs 181
- Better Geekbench Multi: 9287 vs 960
- Bigger battery: 10000 vs 3580 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 23MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 15/100)
- Better camera (37/100 vs 18/100)
- Longer battery life (80/100 vs 13/100)
- Better display (94/100 vs 40/100)
What makes Sony Xperia XA2 Ultra better?
- Lighter: 221g vs 234g
- Better portability (30/100 vs 25/100)
Comparison verdict
Comparing the Redmi K100 vs the Sony Xperia XA2 Ultra, the Redmi K100 scores 54 points higher (73/100 vs 19/100). In the "performance" category, the Redmi K100 leads (92/100 vs 15/100). In the "camera" category, the Redmi K100 leads (37/100 vs 18/100). In the "battery" category, the Redmi K100 leads (80/100 vs 13/100). In the "performance" category, the Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra (92/100 vs 15/100). In the "display" category, the Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra (94/100 vs 40/100). In the "camera" category, the Redmi K100 notably outperforms the Sony Xperia XA2 Ultra (37/100 vs 18/100). In the "battery" category, the Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra (80/100 vs 13/100). In the "portability" category, the Sony Xperia XA2 Ultra is a bit better (30/100 vs 25/100).
Specs comparison
| Specification | Redmi K100 | Sony Xperia XA2 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 630 | |
| AnTuTu | 3298726 | 215323 | |
| Geekbench Single | 3013 | 181 | |
| Geekbench Multi | 9287 | 960 | |
| Display | 6.8" AMOLED | 6.0" IPS LCD | |
| Resolution | 1280x2772 | 1080x1920 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 10000 mAh | 3580 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 23 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 32GB / 64GB | |
| OS | Android 17 | Android 8.0 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 163.0×80.0×9.5 mm | |
| Weight | 234 g | 221 g | |
| Launch price | — | $449 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia XA2 Ultra
- Main: 23MP f/2.0
- Front: 16MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Sony Xperia XA2 Ultra
- 6.0" IPS LCD
- Resolution: 1080x1920
- Refresh rate: 60 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Sony Xperia XA2 Ultra
- 3580 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K100 and Sony Xperia XA2 Ultra, covering their specs and all relevant benchmarks.
Redmi K100 leads Sony Xperia XA2 Ultra by 1432.0% 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 significantly outperforms the Sony Xperia XA2 Ultra (92/100 vs 15/100).
display
In the "display" category, the Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra (94/100 vs 40/100).
camera
In the "camera" category, the Redmi K100 notably outperforms the Sony Xperia XA2 Ultra (37/100 vs 18/100).
battery
In the "battery" category, the Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra (80/100 vs 13/100).
portability
In the "portability" category, the Sony Xperia XA2 Ultra is a bit better (30/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi K100 or the Sony Xperia XA2 Ultra?
The Redmi K100 significantly outperforms the Sony Xperia XA2 Ultra by 54 points (73/100 vs 19/100).
What is the rating of the Redmi K100 and the Sony Xperia XA2 Ultra?
The Redmi K100 has a MobileRank rating of 73/100, the Sony Xperia XA2 Ultra — 19/100.
Which has the better camera: the Redmi K100 or the Sony Xperia XA2 Ultra?
The Redmi K100 leads on camera score (37/100 vs 18/100).
Which is more powerful: the Redmi K100 or the Sony Xperia XA2 Ultra?
The Redmi K100 leads on performance (92/100 vs 15/100).
Should you choose the Redmi K100 over the Sony Xperia XA2 Ultra?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.