Redmi K80 Ultra vs Tecno Spark 40
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Tecno Spark 40 (2025) runs on the MediaTek Helio G81; launch prices were $350 and $120. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 36/100 (a 37-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5200); the main camera is 50 MP vs 48 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 358,383); the Tecno Spark 40 is noticeably lighter (192g vs 219g).
Redmi K80 Ultra
Tecno Spark 40
- Higher AnTuTu: 2876004 vs 358383
- Better Geekbench Single: 2729 vs 432
- Better Geekbench Multi: 8430 vs 1416
- Bigger battery: 7410 vs 5200 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (89/100 vs 30/100)
- Better camera (37/100 vs 29/100)
- Longer battery life (86/100 vs 48/100)
- Better display (94/100 vs 44/100)
- Lighter: 192g vs 219g
- Cheaper at launch: $120 vs $350
- Better portability (64/100 vs 40/100)
Comparing the Redmi K80 Ultra vs the Tecno Spark 40, the Redmi K80 Ultra scores 37 points higher (73/100 vs 36/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 30/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 48/100). Value score: Redmi K80 Ultra — 86/100, Tecno Spark 40 — 54/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (89/100 vs 30/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (94/100 vs 44/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 29/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (86/100 vs 48/100). In the "portability" category, the Tecno Spark 40 notably outperforms the Redmi K80 Ultra (64/100 vs 40/100).
| Specification | Redmi K80 Ultra | Tecno Spark 40 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Helio G81 | |
| AnTuTu | 2876004 | 358383 | |
| Geekbench Single | 2729 | 432 | |
| Geekbench Multi | 8430 | 1416 | |
| Display | 6.8" OLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 1612x720 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 7410 mAh | 5200 mAh | |
| Charging | 100W | 15W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 15 | Android 15 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | — | 167.7×77.9×8.0 mm | |
| Weight | 219 g | 192 g | |
| Launch price | $350 | $120 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark 40
- Main: 48MP
- Front: 8MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Tecno Spark 40
- 6.7" IPS LCD
- Resolution: 1612x720
- Refresh rate: 90 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Tecno Spark 40
- 5200 mAh
- Wired: 15W
- No wireless charging
We compared Redmi K80 Ultra and Tecno Spark 40, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Tecno Spark 40 by 702.5% in our overall performance rating.
Launch price difference: $230. Tecno Spark 40 was $230 cheaper at launch.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (89/100 vs 30/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (94/100 vs 44/100).
camera
In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 29/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (86/100 vs 48/100).
portability
In the "portability" category, the Tecno Spark 40 notably outperforms the Redmi K80 Ultra (64/100 vs 40/100).
Which is better: the Redmi K80 Ultra or the Tecno Spark 40?
The Redmi K80 Ultra significantly outperforms the Tecno Spark 40 by 37 points (73/100 vs 36/100).
What is the rating of the Redmi K80 Ultra and the Tecno Spark 40?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Tecno Spark 40 — 36/100.
Which has the better camera: the Redmi K80 Ultra or the Tecno Spark 40?
The Redmi K80 Ultra leads on camera score (37/100 vs 29/100).
Which is more powerful: the Redmi K80 Ultra or the Tecno Spark 40?
The Redmi K80 Ultra leads on performance (89/100 vs 30/100).
Should you choose the Redmi K80 Ultra over the Tecno Spark 40?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Tecno Spark 40 is a better fit for everyday use.