OnePlus Ace 6 Ultra vs Tecno Spark Slim
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Tecno Spark Slim (2025) runs on the Helio G200; launch prices were $555 and $299. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 53/100 (a 21-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5160); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 603,568); the Tecno Spark Slim is noticeably lighter (156g vs 217g).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Tecno Spark Slim
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 603568
- Better Geekbench Single: 3293 vs 724
- Better Geekbench Multi: 10243 vs 1927
- Bigger battery: 8600 vs 5160 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (94/100 vs 44/100)
- Better camera (35/100 vs 31/100)
- Longer battery life (82/100 vs 60/100)
- Better display (94/100 vs 93/100)
What makes Tecno Spark Slim better?
- Lighter: 156g vs 217g
- Cheaper at launch: $299 vs $555
- Better portability (100/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Tecno Spark Slim, the OnePlus Ace 6 Ultra scores 21 points higher (74/100 vs 53/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 44/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 60/100). Value score: OnePlus Ace 6 Ultra — 66/100, 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 Ace 6 Ultra significantly outperforms the Tecno Spark Slim (94/100 vs 44/100). In the "display" category, the OnePlus Ace 6 Ultra and the Tecno Spark Slim are nearly equal (94/100 vs 93/100). In the "camera" category, the OnePlus Ace 6 Ultra and the Tecno Spark Slim are nearly equal (35/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Tecno Spark Slim (82/100 vs 60/100). In the "portability" category, the Tecno Spark Slim significantly outperforms the OnePlus Ace 6 Ultra (100/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Tecno Spark Slim | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Helio G200 | |
| AnTuTu | 3429868 | 603568 | |
| Geekbench Single | 3293 | 724 | |
| Geekbench Multi | 10243 | 1927 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 1224x2720 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8600 mAh | 5160 mAh | |
| Charging | 120W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 16 MP | 13 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 1800 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP64 | |
| Dimensions | 162.5×77.5×8.5 mm | 164.2×75.9×5.9 mm | |
| Weight | 217 g | 156 g | |
| Launch price | $555 | $299 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Tecno Spark Slim
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 144 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- Wireless charging: no data
Overall performance score
We compared OnePlus Ace 6 Ultra and Tecno Spark Slim, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Tecno Spark Slim by 468.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $256. Tecno Spark Slim was $256 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim (94/100 vs 44/100).
display
In the "display" category, the OnePlus Ace 6 Ultra and the Tecno Spark Slim are nearly equal (94/100 vs 93/100).
camera
In the "camera" category, the OnePlus Ace 6 Ultra and the Tecno Spark Slim are nearly equal (35/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Tecno Spark Slim (82/100 vs 60/100).
portability
In the "portability" category, the Tecno Spark Slim significantly outperforms the OnePlus Ace 6 Ultra (100/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Tecno Spark Slim?
The OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim by 21 points (74/100 vs 53/100).
What is the rating of the OnePlus Ace 6 Ultra and the Tecno Spark Slim?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Tecno Spark Slim — 53/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the Tecno Spark Slim?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 44/100).
Should you choose the OnePlus Ace 6 Ultra over the Tecno Spark Slim?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.