Redmi K90 vs Tecno Spark Slim
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Spark Slim (2025) runs on the Helio G200; launch prices were $401 and $299. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 53/100 (a 23-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5160); the Redmi K90 is faster in AnTuTu (3,077,585 vs 603,568); the Tecno Spark Slim is noticeably lighter (156g vs 206g).
Profile comparison
Category scores
Redmi K90
Tecno Spark Slim
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 603568
- Better Geekbench Single: 3013 vs 724
- Better Geekbench Multi: 9287 vs 1927
- Bigger battery: 7100 vs 5160 mAh
- Faster charging: 100W vs 45W
- Higher performance (91/100 vs 44/100)
- Better camera (58/100 vs 31/100)
- Longer battery life (72/100 vs 60/100)
What makes Tecno Spark Slim better?
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 156g vs 206g
- Cheaper at launch: $299 vs $401
- Better display (93/100 vs 82/100)
- Better portability (100/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Tecno Spark Slim, the Redmi K90 scores 23 points higher (76/100 vs 53/100). In the "performance" category, the Redmi K90 leads (91/100 vs 44/100). In the "camera" category, the Redmi K90 leads (58/100 vs 31/100). In the "battery" category, the Redmi K90 leads (72/100 vs 60/100). Value score: Redmi K90 — 80/100, Tecno Spark Slim — 44/100; 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 significantly outperforms the Tecno Spark Slim (91/100 vs 44/100). In the "display" category, the Tecno Spark Slim is a bit better (93/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the Tecno Spark Slim (58/100 vs 31/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100). In the "portability" category, the Tecno Spark Slim significantly outperforms the Redmi K90 (100/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Tecno Spark Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Helio G200 | |
| AnTuTu | 3077585 | 603568 | |
| Geekbench Single | 3013 | 724 | |
| Geekbench Multi | 9287 | 1927 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2510x1156 | 1224x2720 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 7100 mAh | 5160 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 157.5×75.3×8.0 mm | 164.2×75.9×5.9 mm | |
| Weight | 206 g | 156 g | |
| Launch price | $401 | $299 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Tecno Spark Slim
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 144 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- Wireless charging: no data
Overall performance score
We compared Redmi K90 and Tecno Spark Slim, covering their specs and all relevant benchmarks.
Redmi K90 leads Tecno Spark Slim by 409.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $102. Tecno Spark Slim was $102 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Tecno Spark Slim (91/100 vs 44/100).
display
In the "display" category, the Tecno Spark Slim is a bit better (93/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Tecno Spark Slim (58/100 vs 31/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100).
portability
In the "portability" category, the Tecno Spark Slim significantly outperforms the Redmi K90 (100/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 significantly outperforms the Tecno Spark Slim by 23 points (76/100 vs 53/100).
What is the rating of the Redmi K90 and the Tecno Spark Slim?
The Redmi K90 has a MobileRank rating of 76/100, the Tecno Spark Slim — 53/100.
Which has the better camera: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 leads on camera score (58/100 vs 31/100).
Which is more powerful: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 leads on performance (91/100 vs 44/100).
Should you choose the Redmi K90 over the Tecno Spark Slim?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.