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; launch prices were $700 and $299. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 53/100 (a 30-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 5160); the OnePlus 15s is faster in AnTuTu (3,950,082 vs 603,568); the Tecno Spark Slim is noticeably lighter (156g vs 195g).
Profile comparison
Category scores
OnePlus 15s
Tecno Spark Slim
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 603568
- Better Geekbench Single: 3639 vs 724
- Better Geekbench Multi: 11047 vs 1927
- Bigger battery: 7500 vs 5160 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (98/100 vs 44/100)
- Better camera (53/100 vs 31/100)
- Longer battery life (89/100 vs 60/100)
- Better display (95/100 vs 93/100)
What makes Tecno Spark Slim better?
- Lighter: 156g vs 195g
- Cheaper at launch: $299 vs $700
- Better portability (100/100 vs 64/100)
Comparison verdict
Comparing the OnePlus 15s vs the Tecno Spark Slim, the OnePlus 15s scores 30 points higher (83/100 vs 53/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 44/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 31/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 60/100). Value score: OnePlus 15s — 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 OnePlus 15s significantly outperforms the Tecno Spark Slim (98/100 vs 44/100). In the "display" category, the OnePlus 15s and the Tecno Spark Slim are nearly equal (95/100 vs 93/100). In the "camera" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (53/100 vs 31/100). In the "battery" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (89/100 vs 60/100). In the "portability" category, the Tecno Spark Slim significantly outperforms the OnePlus 15s (100/100 vs 64/100).
Specs comparison
| Specification | OnePlus 15s | Tecno Spark Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Helio G200 | |
| AnTuTu | 3950082 | 603568 | |
| Geekbench Single | 3639 | 724 | |
| Geekbench Multi | 11047 | 1927 | |
| 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 | — | |
| 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 | |
| Launch price | $700 | $299 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Tecno Spark Slim
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 144 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- Wireless charging: no data
Overall performance score
We compared OnePlus 15s and Tecno Spark Slim, covering their specs and all relevant benchmarks.
OnePlus 15s leads Tecno Spark Slim by 554.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $401. Tecno Spark Slim was $401 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Tecno Spark Slim (98/100 vs 44/100).
display
In the "display" category, the OnePlus 15s and the Tecno Spark Slim are nearly equal (95/100 vs 93/100).
camera
In the "camera" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (53/100 vs 31/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the Tecno Spark Slim (89/100 vs 60/100).
portability
In the "portability" category, the Tecno Spark Slim significantly outperforms the OnePlus 15s (100/100 vs 64/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s significantly outperforms the Tecno Spark Slim by 30 points (83/100 vs 53/100).
What is the rating of the OnePlus 15s and the Tecno Spark Slim?
The OnePlus 15s has a MobileRank rating of 83/100, the Tecno Spark Slim — 53/100.
Which has the better camera: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s leads on camera score (53/100 vs 31/100).
Which is more powerful: the OnePlus 15s or the Tecno Spark Slim?
The OnePlus 15s leads on performance (98/100 vs 44/100).
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, budget-conscious buyers.