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; estimated prices are $401 and $299. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 34/100 (a 34-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5160); the Redmi K90 is faster in AnTuTu (3,088,357 vs 450,000); the Tecno Spark Slim is noticeably lighter (156g vs 206g).
Redmi K90
Tecno Spark Slim
- Higher AnTuTu: 3088357 vs 450000
- Better Geekbench Single: 3050 vs 750
- Better Geekbench Multi: 9300 vs 2100
- Bigger battery: 7100 vs 5160 mAh
- Faster charging: 100W vs 45W
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 26/100)
- Longer battery life (71/100 vs 46/100)
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 156g vs 206g
- Cheaper: $299 vs $401
- Better design/ergonomics (100/100 vs 42/100)
- Better value for money (89/100 vs 82/100)
Comparing the Redmi K90 vs the Tecno Spark Slim, the Redmi K90 scores 34 points higher (68/100 vs 34/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 26/100). In the "battery" category, the Redmi K90 leads (71/100 vs 46/100). In the "performance" category, the Redmi K90 significantly outperforms the Tecno Spark Slim (69/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 notably outperforms the Tecno Spark Slim (53/100 vs 26/100). In the "battery" category, the Redmi K90 notably outperforms the Tecno Spark Slim (71/100 vs 46/100). In the "design" category, the Tecno Spark Slim significantly outperforms the Redmi K90 (100/100 vs 42/100). In the "value for money" category, the Tecno Spark Slim is a bit better (89/100 vs 82/100).
| Specification | Redmi K90 | Tecno Spark Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Helio G200 | |
| AnTuTu | 3088357 | 450000 | |
| Geekbench Single | 3050 | 750 | |
| Geekbench Multi | 9300 | 2100 | |
| 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 | |
| Price | $401 | $299 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Tecno Spark Slim
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 144 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- No wireless charging
We compared Redmi K90 and Tecno Spark Slim, covering their specs and all relevant benchmarks.
Redmi K90 leads Tecno Spark Slim by 586.3% in our overall performance rating.
Price difference: $102. Tecno Spark Slim is cheaper by $102.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Tecno Spark Slim (69/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 notably outperforms the Tecno Spark Slim (53/100 vs 26/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Tecno Spark Slim (71/100 vs 46/100).
design
In the "design" category, the Tecno Spark Slim significantly outperforms the Redmi K90 (100/100 vs 42/100).
value for money
In the "value for money" category, the Tecno Spark Slim is a bit better (89/100 vs 82/100).
Which is better: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 significantly outperforms the Tecno Spark Slim by 34 points (68/100 vs 34/100).
What is the rating of the Redmi K90 and the Tecno Spark Slim?
The Redmi K90 has a MobileRank rating of 68/100, the Tecno Spark Slim — 34/100.
Which has the better camera: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 leads on camera score (53/100 vs 26/100).
Which is more powerful: the Redmi K90 or the Tecno Spark Slim?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Redmi K90 over the Tecno Spark Slim?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Tecno Spark Slim is a better fit for budget-conscious buyers.