Nothing Phone (4b) vs Redmi K80 Ultra
The Nothing Phone (4b) (2026) runs on the Qualcomm Snapdragon 6 Gen 4, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+; estimated prices are $355 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 34/100 (a 26-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5200); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 969,048).
Nothing Phone (4b)
Redmi K80 Ultra
- Lighter: 210g vs 219g
- Better design/ergonomics (37/100 vs 26/100)
- Higher AnTuTu: 2876004 vs 969048
- Better Geekbench Single: 2729 vs 1071
- Better Geekbench Multi: 8430 vs 3057
- Bigger battery: 7410 vs 5200 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $350 vs $355
- Higher performance (61/100 vs 4/100)
- Better camera (32/100 vs 31/100)
- Longer battery life (72/100 vs 45/100)
- Better value for money (86/100 vs 85/100)
Comparing the Nothing Phone (4b) vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 26 points higher (60/100 vs 34/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 4/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 45/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Nothing Phone (4b) (61/100 vs 4/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K80 Ultra and the Nothing Phone (4b) are nearly equal (32/100 vs 31/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Nothing Phone (4b) (72/100 vs 45/100). In the "design" category, the Nothing Phone (4b) is a bit better (37/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra and the Nothing Phone (4b) are nearly equal (86/100 vs 85/100).
| Specification | Nothing Phone (4b) | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 4 | MediaTek Dimensity 9400+ | |
| AnTuTu | 969048 | 2876004 | |
| Geekbench Single | 1071 | 2729 | |
| Geekbench Multi | 3057 | 8430 | |
| Display | 6.8" AMOLED | 6.8" OLED | |
| Resolution | 1080x2344 | 1280x2772 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5200 mAh | 7410 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 2000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 164.4×78.2×8.6 mm | — | |
| Weight | 210 g | 219 g | |
| Price | $355 | $350 |
Nothing Phone (4b)
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Nothing Phone (4b)
- 6.8" AMOLED
- Resolution: 1080x2344
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Nothing Phone (4b)
- 5200 mAh
- Wired: 33W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
We compared Nothing Phone (4b) and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Nothing Phone (4b) by 66.3% in our overall performance rating.
Price difference: $5. Redmi K80 Ultra is cheaper by $5.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Nothing Phone (4b) (61/100 vs 4/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K80 Ultra and the Nothing Phone (4b) are nearly equal (32/100 vs 31/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Nothing Phone (4b) (72/100 vs 45/100).
design
In the "design" category, the Nothing Phone (4b) is a bit better (37/100 vs 26/100).
value for money
In the "value for money" category, the Redmi K80 Ultra and the Nothing Phone (4b) are nearly equal (86/100 vs 85/100).
Which is better: the Nothing Phone (4b) or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Nothing Phone (4b) by 26 points (60/100 vs 34/100).
What is the rating of the Nothing Phone (4b) and the Redmi K80 Ultra?
The Nothing Phone (4b) has a MobileRank rating of 34/100, the Redmi K80 Ultra — 60/100.
Which is more powerful: the Nothing Phone (4b) or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (61/100 vs 4/100).
Should you choose the Nothing Phone (4b) over the Redmi K80 Ultra?
The Nothing Phone (4b) is a better fit for budget-conscious buyers. The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.