OnePlus 15s vs Tecno Spark Slim
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Tecno Spark Slim (2025) runs on the Helio G200; estimated prices are $700 and $299. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 34/100 (a 43-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 5160); the OnePlus 15s is faster in AnTuTu (3,942,923 vs 450,000); the Tecno Spark Slim is noticeably lighter (156g vs 195g).
OnePlus 15s
Tecno Spark Slim
- Higher AnTuTu: 3942923 vs 450000
- Better Geekbench Single: 3640 vs 750
- Better Geekbench Multi: 11033 vs 2100
- Bigger battery: 7500 vs 5160 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 0/100)
- Better camera (48/100 vs 26/100)
- Longer battery life (82/100 vs 46/100)
- Lighter: 156g vs 195g
- Cheaper: $299 vs $700
- Better design/ergonomics (100/100 vs 56/100)
- Better value for money (89/100 vs 62/100)
Comparing the OnePlus 15s vs the Tecno Spark Slim, the OnePlus 15s scores 43 points higher (77/100 vs 34/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 0/100). In the "camera" category, the OnePlus 15s leads (48/100 vs 26/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 46/100). In the "value for money" category, the Tecno Spark Slim leads (89/100 vs 62/100). In the "performance" category, the OnePlus 15s significantly outperforms the Tecno Spark Slim (92/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (48/100 vs 26/100). In the "battery" category, the OnePlus 15s significantly outperforms the Tecno Spark Slim (82/100 vs 46/100). In the "design" category, the Tecno Spark Slim significantly outperforms the OnePlus 15s (100/100 vs 56/100). In the "value for money" category, the Tecno Spark Slim notably outperforms the OnePlus 15s (89/100 vs 62/100).
| Specification | OnePlus 15s | Tecno Spark Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Helio G200 | |
| AnTuTu | 3942923 | 450000 | |
| Geekbench Single | 3640 | 750 | |
| Geekbench Multi | 11033 | 2100 | |
| Display | 6.3" AMOLED | 6.8" AMOLED | |
| Resolution | 2640x1216 | 1224x2720 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 7500 mAh | 5160 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 13 MP | |
| RAM | 12GB | 8GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | — | 4500 nits | |
| NFC | — | yes | |
| Protection | — | IP64 | |
| Dimensions | — | 164.2×75.9×5.9 mm | |
| Weight | 195 g | 156 g | |
| Price | $700 | $299 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Tecno Spark Slim
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 144 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- No wireless charging
We compared OnePlus 15s and Tecno Spark Slim, covering their specs and all relevant benchmarks.
OnePlus 15s leads Tecno Spark Slim by 776.2% in our overall performance rating.
Price difference: $401. Tecno Spark Slim is cheaper by $401.
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Tecno Spark Slim (92/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (48/100 vs 26/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Tecno Spark Slim (82/100 vs 46/100).
design
In the "design" category, the Tecno Spark Slim significantly outperforms the OnePlus 15s (100/100 vs 56/100).
value for money
In the "value for money" category, the Tecno Spark Slim notably outperforms the OnePlus 15s (89/100 vs 62/100).
Which is better: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s significantly outperforms the Tecno Spark Slim by 43 points (77/100 vs 34/100).
What is the rating of the OnePlus 15s and the Tecno Spark Slim?
The OnePlus 15s has a MobileRank rating of 77/100, the Tecno Spark Slim — 34/100.
Which has the better camera: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s leads on camera score (48/100 vs 26/100).
Which is more powerful: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s leads on performance (92/100 vs 0/100).
Should you choose the OnePlus 15s over the Tecno Spark Slim?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Tecno Spark Slim is a better fit for budget-conscious buyers.