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; estimated prices are $555 and $299. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 66/100 vs 34/100 (a 32-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 450,000); the Tecno Spark Slim is noticeably lighter (156g vs 217g).
OnePlus Ace 6 Ultra
Tecno Spark Slim
- Higher AnTuTu: 3429868 vs 450000
- Better Geekbench Single: 3228 vs 750
- Better Geekbench Multi: 9553 vs 2100
- Bigger battery: 8600 vs 5160 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (76/100 vs 0/100)
- Better camera (31/100 vs 26/100)
- Longer battery life (82/100 vs 46/100)
- Lighter: 156g vs 217g
- Cheaper: $299 vs $555
- Better design/ergonomics (100/100 vs 28/100)
- Better value for money (89/100 vs 72/100)
Comparing the OnePlus Ace 6 Ultra vs the Tecno Spark Slim, the OnePlus Ace 6 Ultra scores 32 points higher (66/100 vs 34/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (76/100 vs 0/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 46/100). In the "value for money" category, the Tecno Spark Slim leads (89/100 vs 72/100). In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim (76/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus Ace 6 Ultra is a bit better (31/100 vs 26/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim (82/100 vs 46/100). In the "design" category, the Tecno Spark Slim significantly outperforms the OnePlus Ace 6 Ultra (100/100 vs 28/100). In the "value for money" category, the Tecno Spark Slim notably outperforms the OnePlus Ace 6 Ultra (89/100 vs 72/100).
| Specification | OnePlus Ace 6 Ultra | Tecno Spark Slim | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Helio G200 | |
| AnTuTu | 3429868 | 450000 | |
| Geekbench Single | 3228 | 750 | |
| Geekbench Multi | 9553 | 2100 | |
| 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 | |
| Price | $555 | $299 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Tecno Spark Slim
- Main: 50MP
- Front: 13MP
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
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Tecno Spark Slim
- 5160 mAh
- Wired: 45W
- No wireless charging
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 662.2% in our overall performance rating.
Price difference: $256. Tecno Spark Slim is cheaper by $256.
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim (76/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus Ace 6 Ultra is a bit better (31/100 vs 26/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Tecno Spark Slim (82/100 vs 46/100).
design
In the "design" category, the Tecno Spark Slim significantly outperforms the OnePlus Ace 6 Ultra (100/100 vs 28/100).
value for money
In the "value for money" category, the Tecno Spark Slim notably outperforms the OnePlus Ace 6 Ultra (89/100 vs 72/100).
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 32 points (66/100 vs 34/100).
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 66/100, the Tecno Spark Slim — 34/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Tecno Spark Slim?
The OnePlus Ace 6 Ultra leads on camera score (31/100 vs 26/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Tecno Spark Slim?
The OnePlus Ace 6 Ultra leads on performance (76/100 vs 0/100).
Should you choose the OnePlus Ace 6 Ultra over the Tecno Spark Slim?
The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The Tecno Spark Slim is a better fit for budget-conscious buyers.