Realme X3 vs Redmi K80 Ultra
The Realme X3 (2020) runs on the Qualcomm Snapdragon 855+, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+; estimated prices are $450 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 33/100 (a 27-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 4200); the main camera is 64 MP vs 50 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 859,084); the Redmi K80 Ultra has NFC for contactless payments, the Realme X3 doesn't; the Realme X3 is noticeably lighter (202g vs 219g).
Realme X3
Redmi K80 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 219g
- Better camera (45/100 vs 32/100)
- Better design/ergonomics (47/100 vs 26/100)
- Higher AnTuTu: 2876004 vs 859084
- Better Geekbench Single: 2729 vs 1031
- Better Geekbench Multi: 8430 vs 2864
- Bigger battery: 7410 vs 4200 mAh
- Faster charging: 100W vs 30W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $350 vs $450
- Higher performance (61/100 vs 2/100)
- Longer battery life (72/100 vs 19/100)
- Better value for money (86/100 vs 79/100)
Comparing the Realme X3 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 27 points higher (60/100 vs 33/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 2/100). In the "camera" category, the Realme X3 leads (45/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 19/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (61/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Realme X3 is a bit better (45/100 vs 32/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (72/100 vs 19/100). In the "design" category, the Realme X3 notably outperforms the Redmi K80 Ultra (47/100 vs 26/100). In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
| Specification | Realme X3 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | MediaTek Dimensity 9400+ | |
| AnTuTu | 859084 | 2876004 | |
| Geekbench Single | 1031 | 2729 | |
| Geekbench Multi | 2864 | 8430 | |
| Display | 6.0" IPS LCD | 6.8" OLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4200 mAh | 7410 mAh | |
| Charging | 30W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 12 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, Realme UI | Android 15 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.8×75.8×8.9 mm | — | |
| Weight | 202 g | 219 g | |
| Price | $450 | $350 |
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
We compared Realme X3 and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Realme X3 by 70.1% in our overall performance rating.
Price difference: $100. Redmi K80 Ultra is cheaper by $100.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (61/100 vs 2/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Realme X3 is a bit better (45/100 vs 32/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (72/100 vs 19/100).
design
In the "design" category, the Realme X3 notably outperforms the Redmi K80 Ultra (47/100 vs 26/100).
value for money
In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 79/100).
Which is better: the Realme X3 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Realme X3 by 27 points (60/100 vs 33/100).
What is the rating of the Realme X3 and the Redmi K80 Ultra?
The Realme X3 has a MobileRank rating of 33/100, the Redmi K80 Ultra — 60/100.
Which has the better camera: the Realme X3 or the Redmi K80 Ultra?
The Realme X3 leads on camera score (45/100 vs 32/100).
Which is more powerful: the Realme X3 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (61/100 vs 2/100).
Should you choose the Realme X3 over the Redmi K80 Ultra?
The Realme X3 is a better fit for budget-conscious buyers. The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.