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+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 50/100 (a 23-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 (2,874,956 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).
Profile comparison
Category scores
Realme X3
Redmi K80 Ultra
What makes Realme X3 better?
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 219g
- Better camera (48/100 vs 37/100)
- Better portability (48/100 vs 40/100)
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 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
- Higher performance (89/100 vs 55/100)
- Longer battery life (86/100 vs 28/100)
- Better display (94/100 vs 70/100)
Comparison verdict
Comparing the Realme X3 vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 23 points higher (73/100 vs 50/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 55/100). In the "camera" category, the Realme X3 leads (48/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 28/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (89/100 vs 55/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Realme X3 (94/100 vs 70/100). In the "camera" category, the Realme X3 is a bit better (48/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (86/100 vs 28/100). In the "portability" category, the Realme X3 is a bit better (48/100 vs 40/100).
Specs comparison
| Specification | Realme X3 | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | MediaTek Dimensity 9400+ | |
| AnTuTu | 859084 | 2874956 | |
| 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 | |
| Launch price | — | $350 |
Camera comparison
Realme X3
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Realme X3
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (89/100 vs 55/100).
display
In the "display" category, the Redmi K80 Ultra notably outperforms the Realme X3 (94/100 vs 70/100).
camera
In the "camera" category, the Realme X3 is a bit better (48/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Realme X3 (86/100 vs 28/100).
portability
In the "portability" category, the Realme X3 is a bit better (48/100 vs 40/100).
Frequently asked questions
Which is better: the Realme X3 or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Realme X3 by 23 points (73/100 vs 50/100).
What is the rating of the Realme X3 and the Redmi K80 Ultra?
The Realme X3 has a MobileRank rating of 50/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Realme X3 or the Redmi K80 Ultra?
The Realme X3 leads on camera score (48/100 vs 37/100).
Which is more powerful: the Realme X3 or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 55/100).
Should you choose the Realme X3 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.