Realme GT 8 vs Vivo S21 Pro
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S21 Pro (2024) runs on the MediaTek Dimensity 9300+. By overall MobileRank rating, the Realme GT 8 leads — 80/100 vs 79/100 (a 1-point difference). Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 5500); the Realme GT 8 is faster in AnTuTu (3,126,402 vs 2,348,248).
Profile comparison
Category scores
Realme GT 8
Vivo S21 Pro
What makes Realme GT 8 better?
- Higher AnTuTu: 3126402 vs 2348248
- Better Geekbench Single: 3013 vs 2249
- Better Geekbench Multi: 9287 vs 7352
- Bigger battery: 7000 vs 5500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (91/100 vs 83/100)
- Longer battery life (85/100 vs 64/100)
- Better display (98/100 vs 85/100)
What makes Vivo S21 Pro better?
- Better camera (81/100 vs 56/100)
Comparison verdict
Comparing the Realme GT 8 vs the Vivo S21 Pro, the Realme GT 8 scores 1 points higher (80/100 vs 79/100). In the "camera" category, the Vivo S21 Pro leads (81/100 vs 56/100). In the "battery" category, the Realme GT 8 leads (85/100 vs 64/100). In the "performance" category, the Realme GT 8 is a bit better (91/100 vs 83/100). In the "display" category, the Realme GT 8 is a bit better (98/100 vs 85/100). In the "camera" category, the Vivo S21 Pro notably outperforms the Realme GT 8 (81/100 vs 56/100). In the "battery" category, the Realme GT 8 notably outperforms the Vivo S21 Pro (85/100 vs 64/100).
Specs comparison
| Specification | Realme GT 8 | Vivo S21 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300+ | |
| AnTuTu | 3126402 | 2348248 | |
| Geekbench Single | 3013 | 2249 | |
| Geekbench Multi | 9287 | 7352 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1440x3136 | 1260x2800 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5500 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB | |
| OS | Android 16 | Android 15, OriginOS 5 | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Weight | 209 g | — | |
| Launch price | $350 | — |
Camera comparison
Realme GT 8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Vivo S21 Pro
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Vivo S21 Pro
- 6.7" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Vivo S21 Pro
- 5500 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Realme GT 8 and Vivo S21 Pro, covering their specs and all relevant benchmarks.
Realme GT 8 leads Vivo S21 Pro by 33.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S21 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Realme GT 8 is a bit better (91/100 vs 83/100).
display
In the "display" category, the Realme GT 8 is a bit better (98/100 vs 85/100).
camera
In the "camera" category, the Vivo S21 Pro notably outperforms the Realme GT 8 (81/100 vs 56/100).
battery
In the "battery" category, the Realme GT 8 notably outperforms the Vivo S21 Pro (85/100 vs 64/100).
Frequently asked questions
Which is better: the Realme GT 8 or the Vivo S21 Pro?
The Realme GT 8 edges out the Vivo S21 Pro by just 1 points — the two devices are very close in overall level.
What is the rating of the Realme GT 8 and the Vivo S21 Pro?
The Realme GT 8 has a MobileRank rating of 80/100, the Vivo S21 Pro — 79/100.
Which has the better camera: the Realme GT 8 or the Vivo S21 Pro?
The Vivo S21 Pro leads on camera score (81/100 vs 56/100).
Which is more powerful: the Realme GT 8 or the Vivo S21 Pro?
The Realme GT 8 leads on performance (91/100 vs 83/100).
Should you choose the Realme GT 8 over the Vivo S21 Pro?
The Realme GT 8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo S21 Pro is a better fit for gamers and power users, mobile photography enthusiasts.