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 39/100 (a 34-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5200); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 358,608); the Tecno Spark 40 is noticeably lighter (192g vs 219g).
Profile comparison
Category scores
Redmi K80 Ultra
Tecno Spark 40
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 358608
- Better Geekbench Single: 2729 vs 432
- Better Geekbench Multi: 8430 vs 1416
- Bigger battery: 7410 vs 5200 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (89/100 vs 30/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (86/100 vs 53/100)
- Better display (94/100 vs 55/100)
What makes Tecno Spark 40 better?
- Lighter: 192g vs 219g
- Cheaper at launch: $120 vs $350
- Better portability (68/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Tecno Spark 40, the Redmi K80 Ultra scores 34 points higher (73/100 vs 39/100). 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 53/100). Value score: Redmi K80 Ultra — 80/100, Tecno Spark 40 — 60/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. 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 55/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (86/100 vs 53/100). In the "portability" category, the Tecno Spark 40 notably outperforms the Redmi K80 Ultra (68/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Tecno Spark 40 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Helio G81 | |
| AnTuTu | 2874956 | 358608 | |
| Geekbench Single | 2729 | 432 | |
| Geekbench Multi | 8430 | 1416 | |
| Display | 6.8" OLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 1600x720 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5200 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 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 | — | 165.6×77.0×7.7 mm | |
| Weight | 219 g | 192 g | |
| Launch price | $350 | $120 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark 40
- Main: 50MP
- Front: 8MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Tecno Spark 40
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Tecno Spark 40
- 5200 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Redmi K80 Ultra and Tecno Spark 40, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Tecno Spark 40 by 701.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $230. Tecno Spark 40 was $230 cheaper at launch.
Detailed category analysis
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 55/100).
camera
In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Tecno Spark 40 (86/100 vs 53/100).
portability
In the "portability" category, the Tecno Spark 40 notably outperforms the Redmi K80 Ultra (68/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Tecno Spark 40?
The Redmi K80 Ultra significantly outperforms the Tecno Spark 40 by 34 points (73/100 vs 39/100).
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 — 39/100.
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 30/100).
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.