Redmi K80 Ultra vs Sony Xperia 5 III
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Sony Xperia 5 III (2021) runs on the Snapdragon 888; launch prices were $350 and $999. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 51/100 (a 22-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 4500); the main camera is 50 MP vs 12 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 1,119,714); the Sony Xperia 5 III is noticeably lighter (168g vs 219g).
Redmi K80 Ultra
Sony Xperia 5 III
- Higher AnTuTu: 2876004 vs 1119714
- Better Geekbench Single: 2729 vs 1488
- Better Geekbench Multi: 8430 vs 3373
- Bigger battery: 7410 vs 4500 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $350 vs $999
- Higher performance (89/100 vs 63/100)
- Better camera (37/100 vs 20/100)
- Longer battery life (86/100 vs 35/100)
- Better display (94/100 vs 84/100)
- Lighter: 168g vs 219g
- Better portability (76/100 vs 40/100)
Comparing the Redmi K80 Ultra vs the Sony Xperia 5 III, the Redmi K80 Ultra scores 22 points higher (73/100 vs 51/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 63/100). In the "camera" category, the Redmi K80 Ultra leads (37/100 vs 20/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 35/100). Value score: Redmi K80 Ultra — 86/100, Sony Xperia 5 III — 14/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (89/100 vs 63/100). In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (37/100 vs 20/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Sony Xperia 5 III (86/100 vs 35/100). In the "portability" category, the Sony Xperia 5 III significantly outperforms the Redmi K80 Ultra (76/100 vs 40/100).
| Specification | Redmi K80 Ultra | Sony Xperia 5 III | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Snapdragon 888 | |
| AnTuTu | 2876004 | 1119714 | |
| Geekbench Single | 2729 | 1488 | |
| Geekbench Multi | 8430 | 3373 | |
| Display | 6.8" OLED | 6.1" OLED | |
| Resolution | 1280x2772 | 1080x2520 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 4500 mAh | |
| Charging | 100W | 30W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 15 | Android 11 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP65/IP68 | |
| Dimensions | — | 157.0×68.0×8.2 mm | |
| Weight | 219 g | 168 g | |
| Launch price | $350 | $999 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 5 III
- Main: 12MP f/f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 8MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Sony Xperia 5 III
- 6.1" OLED
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Sony Xperia 5 III
- 4500 mAh
- Wired: 30W
- No wireless charging
We compared Redmi K80 Ultra and Sony Xperia 5 III, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Sony Xperia 5 III by 156.9% in our overall performance rating.
Launch price difference: $649. Redmi K80 Ultra was $649 cheaper at launch.
performance
In the "performance" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (89/100 vs 63/100).
display
In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (37/100 vs 20/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Sony Xperia 5 III (86/100 vs 35/100).
portability
In the "portability" category, the Sony Xperia 5 III significantly outperforms the Redmi K80 Ultra (76/100 vs 40/100).
Which is better: the Redmi K80 Ultra or the Sony Xperia 5 III?
The Redmi K80 Ultra significantly outperforms the Sony Xperia 5 III by 22 points (73/100 vs 51/100).
What is the rating of the Redmi K80 Ultra and the Sony Xperia 5 III?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Sony Xperia 5 III — 51/100.
Which has the better camera: the Redmi K80 Ultra or the Sony Xperia 5 III?
The Redmi K80 Ultra leads on camera score (37/100 vs 20/100).
Which is more powerful: the Redmi K80 Ultra or the Sony Xperia 5 III?
The Redmi K80 Ultra leads on performance (89/100 vs 63/100).
Should you choose the Redmi K80 Ultra over the Sony Xperia 5 III?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Sony Xperia 5 III is a better fit for active users.