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 (2,874,956 vs 1,135,878); the Sony Xperia 5 III is noticeably lighter (168g vs 219g).
Profile comparison
Category scores
Redmi K80 Ultra
Sony Xperia 5 III
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 1135878
- Better Geekbench Single: 2729 vs 1500
- Better Geekbench Multi: 8430 vs 3537
- 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 64/100)
- Better camera (37/100 vs 20/100)
- Longer battery life (86/100 vs 35/100)
- Better display (94/100 vs 84/100)
What makes Sony Xperia 5 III better?
- Lighter: 168g vs 219g
- Better portability (76/100 vs 40/100)
Comparison verdict
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 64/100). 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 — 80/100, Sony Xperia 5 III — 12/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (89/100 vs 64/100). 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).
Specs comparison
| Specification | Redmi K80 Ultra | Sony Xperia 5 III | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Snapdragon 888 | |
| AnTuTu | 2874956 | 1135878 | |
| Geekbench Single | 2729 | 1500 | |
| Geekbench Multi | 8430 | 3537 | |
| 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 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Sony Xperia 5 III
- Main: 12MP f/1.7
- Ultrawide: 12MP
- Telephoto: 12MP
- Front: 8MP
Display comparison
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
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Sony Xperia 5 III
- 4500 mAh
- Wired: 30W
- No wireless charging
Overall performance score
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 153.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $649. Redmi K80 Ultra was $649 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra notably outperforms the Sony Xperia 5 III (89/100 vs 64/100).
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).
Frequently asked questions
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 64/100).
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.