Realme GT 8 vs Vivo S15
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S15 (2022) runs on the Qualcomm Snapdragon 870 5G. By overall MobileRank rating, the Realme GT 8 leads — 80/100 vs 57/100 (a 23-point difference). Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Realme GT 8 is faster in AnTuTu (3,126,402 vs 1,010,069).
Profile comparison
Category scores
Realme GT 8
Vivo S15
What makes Realme GT 8 better?
- Higher AnTuTu: 3126402 vs 1010069
- Better Geekbench Single: 3013 vs 1298
- Better Geekbench Multi: 9287 vs 3520
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 66W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (91/100 vs 61/100)
- Better camera (56/100 vs 48/100)
- Longer battery life (85/100 vs 42/100)
- Better display (98/100 vs 80/100)
What makes Vivo S15 better?
- Better main camera: 64MP vs 50MP
- Lighter: 197g vs 209g
- Better portability (61/100 vs 50/100)
Comparison verdict
Comparing the Realme GT 8 vs the Vivo S15, the Realme GT 8 scores 23 points higher (80/100 vs 57/100). In the "performance" category, the Realme GT 8 leads (91/100 vs 61/100). In the "battery" category, the Realme GT 8 leads (85/100 vs 42/100). In the "performance" category, the Realme GT 8 significantly outperforms the Vivo S15 (91/100 vs 61/100). In the "display" category, the Realme GT 8 notably outperforms the Vivo S15 (98/100 vs 80/100). In the "camera" category, the Realme GT 8 is a bit better (56/100 vs 48/100). In the "battery" category, the Realme GT 8 significantly outperforms the Vivo S15 (85/100 vs 42/100). In the "portability" category, the Vivo S15 is a bit better (61/100 vs 50/100).
Specs comparison
| Specification | Realme GT 8 | Vivo S15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 870 5G | |
| AnTuTu | 3126402 | 1010069 | |
| Geekbench Single | 3013 | 1298 | |
| Geekbench Multi | 9287 | 3520 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1440x3136 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 100W | 66W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 12, Origin OS Ocean | |
| Brightness (peak) | — | 1300 nits | |
| NFC | — | yes | |
| Dimensions | — | 161.1×74.3×8.0 mm | |
| Weight | 209 g | 197 g | |
| Launch price | $350 | — |
Camera comparison
Realme GT 8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Vivo S15
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 32MP
Display comparison
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Vivo S15
- 6.6" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Vivo S15
- 4500 mAh
- Wired: 66W
- No wireless charging
Overall performance score
We compared Realme GT 8 and Vivo S15, covering their specs and all relevant benchmarks.
Realme GT 8 leads Vivo S15 by 209.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S15
Price unknownDetailed category analysis
performance
In the "performance" category, the Realme GT 8 significantly outperforms the Vivo S15 (91/100 vs 61/100).
display
In the "display" category, the Realme GT 8 notably outperforms the Vivo S15 (98/100 vs 80/100).
camera
In the "camera" category, the Realme GT 8 is a bit better (56/100 vs 48/100).
battery
In the "battery" category, the Realme GT 8 significantly outperforms the Vivo S15 (85/100 vs 42/100).
portability
In the "portability" category, the Vivo S15 is a bit better (61/100 vs 50/100).
Frequently asked questions
Which is better: the Realme GT 8 or the Vivo S15?
The Realme GT 8 significantly outperforms the Vivo S15 by 23 points (80/100 vs 57/100).
What is the rating of the Realme GT 8 and the Vivo S15?
The Realme GT 8 has a MobileRank rating of 80/100, the Vivo S15 — 57/100.
Which has the better camera: the Realme GT 8 or the Vivo S15?
The Realme GT 8 leads on camera score (56/100 vs 48/100).
Which is more powerful: the Realme GT 8 or the Vivo S15?
The Realme GT 8 leads on performance (91/100 vs 61/100).
Should you choose the Realme GT 8 over the Vivo S15?
The Realme GT 8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo S15 is a better fit for active users.