Poco X8 vs Redmi K80 Ultra
The Poco X8 (2026) runs on the Qualcomm Snapdragon 6s Gen 4, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+; launch prices were $389 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Poco X8 has the bigger battery (8340 mAh vs 7410); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 829,894).
Profile comparison
Category scores
Poco X8
Redmi K80 Ultra
What makes Poco X8 better?
- Bigger battery: 8340 vs 7410 mAh
- Overall rating 55/100
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 829894
- Better Geekbench Single: 2729 vs 1009
- Better Geekbench Multi: 8430 vs 2892
- Faster charging: 100W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 219g vs 223g
- Cheaper at launch: $350 vs $389
- Higher performance (89/100 vs 55/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (86/100 vs 69/100)
- Better display (94/100 vs 84/100)
- Better portability (40/100 vs 39/100)
Comparison verdict
Comparing the Poco X8 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 55/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 69/100). Value score: Poco X8 — 40/100, Redmi K80 Ultra — 80/100; 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 significantly outperforms the Poco X8 (89/100 vs 55/100). 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 and the Poco X8 are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Poco X8 (86/100 vs 69/100). In the "portability" category, the Redmi K80 Ultra and the Poco X8 are nearly equal (40/100 vs 39/100).
Specs comparison
| Specification | Poco X8 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | MediaTek Dimensity 9400+ | |
| AnTuTu | 829894 | 2874956 | |
| Geekbench Single | 1009 | 2729 | |
| Geekbench Multi | 2892 | 8430 | |
| Display | 6.8" AMOLED | 6.8" OLED | |
| Resolution | 1280x2772 | 1280x2772 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 8340 mAh | 7410 mAh | |
| Charging | 67W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68 | |
| Dimensions | 163.5×78.3×8.6 mm | — | |
| Weight | 223 g | 219 g | |
| Launch price | $389 | $350 |
Camera comparison
Poco X8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Poco X8
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Poco X8
- 8340 mAh
- Wired: 67W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
We compared Poco X8 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Poco X8 by 71.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $39. Redmi K80 Ultra was $39 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Poco X8 (89/100 vs 55/100).
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 and the Poco X8 are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Poco X8 (86/100 vs 69/100).
portability
In the "portability" category, the Redmi K80 Ultra and the Poco X8 are nearly equal (40/100 vs 39/100).
Frequently asked questions
Which is better: the Poco X8 or the Redmi K80 Ultra?
The Redmi K80 Ultra is noticeably better than the Poco X8 — the overall rating gap is 18 points.
What is the rating of the Poco X8 and the Redmi K80 Ultra?
The Poco X8 has a MobileRank rating of 55/100, the Redmi K80 Ultra — 73/100.
Which is more powerful: the Poco X8 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 55/100).
Should you choose the Poco X8 over the Redmi K80 Ultra?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.