Realme GT 8 vs Samsung Galaxy S25 Ultra
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $350 and $1299. Both devices score the same overall rating of 80/100. Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 3,126,402).
Profile comparison
Category scores
Realme GT 8
Samsung Galaxy S25 Ultra
What makes Realme GT 8 better?
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 209g vs 218g
- Cheaper at launch: $350 vs $1299
- Longer battery life (85/100 vs 56/100)
- Better display (98/100 vs 88/100)
- Better portability (50/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 3126402
- Better Geekbench Single: 3100 vs 3013
- Better Geekbench Multi: 9760 vs 9287
- Better main camera: 200MP vs 50MP
- Higher performance (92/100 vs 91/100)
- Better camera (81/100 vs 56/100)
Comparison verdict
The Realme GT 8 and the Samsung Galaxy S25 Ultra received the same MobileRank rating — 80/100. In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 56/100). In the "battery" category, the Realme GT 8 leads (85/100 vs 56/100). Value score: Realme GT 8 — 94/100, Samsung Galaxy S25 Ultra — 70/100; 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 Samsung Galaxy S25 Ultra and the Realme GT 8 are nearly equal (92/100 vs 91/100). In the "display" category, the Realme GT 8 is a bit better (98/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the Realme GT 8 (81/100 vs 56/100). In the "battery" category, the Realme GT 8 notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100). In the "portability" category, the Realme GT 8 and the Samsung Galaxy S25 Ultra are nearly equal (50/100 vs 46/100).
Specs comparison
| Specification | Realme GT 8 | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3126402 | 3128552 | |
| Geekbench Single | 3013 | 3100 | |
| Geekbench Multi | 9287 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1440x3136 | 3120x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | — | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 162.8×77.6×8.2 mm | |
| Weight | 209 g | 218 g | |
| Launch price | $350 | $1299 |
Camera comparison
Realme GT 8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Realme GT 8 and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Realme GT 8 by 0.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $949. Realme GT 8 was $949 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra and the Realme GT 8 are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Realme GT 8 is a bit better (98/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the Realme GT 8 (81/100 vs 56/100).
battery
In the "battery" category, the Realme GT 8 notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100).
portability
In the "portability" category, the Realme GT 8 and the Samsung Galaxy S25 Ultra are nearly equal (50/100 vs 46/100).
Frequently asked questions
Which is better: the Realme GT 8 or the Samsung Galaxy S25 Ultra?
Both devices scored 80/100. The choice depends on your priorities: if performance matters more — go with the Samsung Galaxy S25 Ultra (92/100 vs 91/100).
What is the rating of the Realme GT 8 and the Samsung Galaxy S25 Ultra?
The Realme GT 8 has a MobileRank rating of 80/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Realme GT 8 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 56/100).
Should you choose the Realme GT 8 over the Samsung Galaxy S25 Ultra?
The Realme GT 8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.