Redmi K90 Ultra vs Tecno Spark 8C
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Spark 8C (2022) runs on the Unisoc SC9863A; launch prices were $420 and $100. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 24/100 (a 49-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 153,667); the Tecno Spark 8C is noticeably lighter (191g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Tecno Spark 8C
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 153667
- Better Geekbench Single: 3013 vs 205
- Better Geekbench Multi: 9287 vs 846
- Bigger battery: 8550 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 9/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 32/100)
What makes Tecno Spark 8C better?
- Lighter: 191g vs 227g
- Cheaper at launch: $100 vs $420
- Better portability (53/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Tecno Spark 8C, the Redmi K90 Ultra scores 49 points higher (73/100 vs 24/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 9/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: Redmi K90 Ultra — 72/100, Tecno Spark 8C — 36/100; 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 K90 Ultra significantly outperforms the Tecno Spark 8C (92/100 vs 9/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark 8C (94/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Tecno Spark 8C (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Tecno Spark 8C is a bit better (53/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Tecno Spark 8C | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Unisoc SC9863A | |
| AnTuTu | 3233695 | 153667 | |
| Geekbench Single | 3013 | 205 | |
| Geekbench Multi | 9287 | 846 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 720x1612 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 2GB / 3GB | |
| Storage | 256GB / 512GB | 32GB / 64GB | |
| OS | Android 16 | Android 11 (Go edition), HiOS 7.6 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.6×76.0×9.0 mm | |
| Weight | 227 g | 191 g | |
| Launch price | $420 | $100 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark 8C
- Main: 13MP f/1.8
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Tecno Spark 8C
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 60 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Tecno Spark 8C
- 5000 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K90 Ultra and Tecno Spark 8C, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Tecno Spark 8C by 2004.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $320. Tecno Spark 8C was $320 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark 8C (92/100 vs 9/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark 8C (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Tecno Spark 8C (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Tecno Spark 8C is a bit better (53/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Tecno Spark 8C?
The Redmi K90 Ultra significantly outperforms the Tecno Spark 8C by 49 points (73/100 vs 24/100).
What is the rating of the Redmi K90 Ultra and the Tecno Spark 8C?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Tecno Spark 8C — 24/100.
Which has the better camera: the Redmi K90 Ultra or the Tecno Spark 8C?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Tecno Spark 8C?
The Redmi K90 Ultra leads on performance (92/100 vs 9/100).
Should you choose the Redmi K90 Ultra over the Tecno Spark 8C?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.