Redmi K80 Ultra vs Xiaomi Mix Fold 4
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Xiaomi Mix Fold 4 (2024) runs on the Qualcomm Snapdragon 8 Gen 3. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 72/100 (a 1-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5100); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 2,345,563).
Profile comparison
Category scores
Redmi K80 Ultra
Xiaomi Mix Fold 4
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 2345563
- Better Geekbench Single: 2729 vs 2203
- Better Geekbench Multi: 8430 vs 6511
- Bigger battery: 7410 vs 5100 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 219g vs 226g
- Higher performance (89/100 vs 82/100)
- Longer battery life (86/100 vs 70/100)
- Better display (94/100 vs 81/100)
What makes Xiaomi Mix Fold 4 better?
- Better camera (58/100 vs 37/100)
- Better portability (59/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Xiaomi Mix Fold 4, the Redmi K80 Ultra scores 1 points higher (73/100 vs 72/100). In the "camera" category, the Xiaomi Mix Fold 4 leads (58/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 70/100). In the "performance" category, the Redmi K80 Ultra is a bit better (89/100 vs 82/100). In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi Mix Fold 4 notably outperforms the Redmi K80 Ultra (58/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Xiaomi Mix Fold 4 (86/100 vs 70/100). In the "portability" category, the Xiaomi Mix Fold 4 notably outperforms the Redmi K80 Ultra (59/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Xiaomi Mix Fold 4 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 2874956 | 2345563 | |
| Geekbench Single | 2729 | 2203 | |
| Geekbench Multi | 8430 | 6511 | |
| Display | 6.8" OLED | 8.0" Foldable LTPO AMOLED | |
| Resolution | 1280x2772 | 2224x2488 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5100 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | — | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 14, HyperOS | |
| Brightness (peak) | 3200 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IPX8 | |
| Dimensions | — | 159.4×143.3×4.6 mm | |
| Weight | 219 g | 226 g | |
| Launch price | $350 | — |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Xiaomi Mix Fold 4
- Main: 50MP f/1.7
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Xiaomi Mix Fold 4
- 8.0" Foldable LTPO AMOLED
- Resolution: 2224x2488
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Xiaomi Mix Fold 4
- 5100 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Redmi K80 Ultra and Xiaomi Mix Fold 4, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Xiaomi Mix Fold 4 by 22.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mix Fold 4
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra is a bit better (89/100 vs 82/100).
display
In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi Mix Fold 4 notably outperforms the Redmi K80 Ultra (58/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Xiaomi Mix Fold 4 (86/100 vs 70/100).
portability
In the "portability" category, the Xiaomi Mix Fold 4 notably outperforms the Redmi K80 Ultra (59/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Xiaomi Mix Fold 4?
The Redmi K80 Ultra edges out the Xiaomi Mix Fold 4 by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Xiaomi Mix Fold 4?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Xiaomi Mix Fold 4 — 72/100.
Which has the better camera: the Redmi K80 Ultra or the Xiaomi Mix Fold 4?
The Xiaomi Mix Fold 4 leads on camera score (58/100 vs 37/100).
Which is more powerful: the Redmi K80 Ultra or the Xiaomi Mix Fold 4?
The Redmi K80 Ultra leads on performance (89/100 vs 82/100).
Should you choose the Redmi K80 Ultra over the Xiaomi Mix Fold 4?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi Mix Fold 4 is a better fit for gamers and power users.