Realme GT 8 vs Samsung Galaxy S23 Ultra
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S23 Ultra (2023) runs on the Qualcomm Snapdragon 8 Gen 2; launch prices were $350 and $1199. By overall MobileRank rating, the Realme GT 8 leads — 80/100 vs 70/100 (a 10-point difference). Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Realme GT 8 is faster in AnTuTu (3,126,402 vs 1,684,869); the Realme GT 8 is noticeably lighter (209g vs 234g).
Profile comparison
Category scores
Realme GT 8
Samsung Galaxy S23 Ultra
What makes Realme GT 8 better?
- Higher AnTuTu: 3126402 vs 1684869
- Better Geekbench Single: 3013 vs 2004
- Better Geekbench Multi: 9287 vs 5311
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 209g vs 234g
- Cheaper at launch: $350 vs $1199
- Higher performance (91/100 vs 75/100)
- Longer battery life (85/100 vs 56/100)
- Better display (98/100 vs 88/100)
- Better portability (50/100 vs 29/100)
What makes Samsung Galaxy S23 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (73/100 vs 56/100)
Comparison verdict
Comparing the Realme GT 8 vs the Samsung Galaxy S23 Ultra, the Realme GT 8 scores 10 points higher (80/100 vs 70/100). In the "performance" category, the Realme GT 8 leads (91/100 vs 75/100). In the "camera" category, the Samsung Galaxy S23 Ultra leads (73/100 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 S23 Ultra — 50/100; 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 Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (91/100 vs 75/100). In the "display" category, the Realme GT 8 is a bit better (98/100 vs 88/100). In the "camera" category, the Samsung Galaxy S23 Ultra notably outperforms the Realme GT 8 (73/100 vs 56/100). In the "battery" category, the Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (85/100 vs 56/100). In the "portability" category, the Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (50/100 vs 29/100).
Specs comparison
| Specification | Realme GT 8 | Samsung Galaxy S23 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 2 | |
| AnTuTu | 3126402 | 1684869 | |
| Geekbench Single | 3013 | 2004 | |
| Geekbench Multi | 9287 | 5311 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3136 | 1440x3088 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | — | 15W | |
| DXOMark (camera) | — | 140 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 50 MP | 10 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 13, up to 4 major Android upgrades, One UI 8 | |
| Brightness (peak) | — | 1750 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.4×78.1×8.9 mm | |
| Weight | 209 g | 234 g | |
| Launch price | $350 | $1199 |
Camera comparison
Realme GT 8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Samsung Galaxy S23 Ultra
- Main: 200MP f/1.7
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Display comparison
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Samsung Galaxy S23 Ultra
- 6.8" AMOLED
- Resolution: 1440x3088
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy S23 Ultra
- 5000 mAh
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Realme GT 8 and Samsung Galaxy S23 Ultra, covering their specs and all relevant benchmarks.
Realme GT 8 leads Samsung Galaxy S23 Ultra by 85.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $849. Realme GT 8 was $849 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (91/100 vs 75/100).
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 S23 Ultra notably outperforms the Realme GT 8 (73/100 vs 56/100).
battery
In the "battery" category, the Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (85/100 vs 56/100).
portability
In the "portability" category, the Realme GT 8 notably outperforms the Samsung Galaxy S23 Ultra (50/100 vs 29/100).
Frequently asked questions
Which is better: the Realme GT 8 or the Samsung Galaxy S23 Ultra?
The Realme GT 8 is noticeably better than the Samsung Galaxy S23 Ultra — the overall rating gap is 10 points.
What is the rating of the Realme GT 8 and the Samsung Galaxy S23 Ultra?
The Realme GT 8 has a MobileRank rating of 80/100, the Samsung Galaxy S23 Ultra — 70/100.
Which has the better camera: the Realme GT 8 or the Samsung Galaxy S23 Ultra?
The Samsung Galaxy S23 Ultra leads on camera score (73/100 vs 56/100).
Which is more powerful: the Realme GT 8 or the Samsung Galaxy S23 Ultra?
The Realme GT 8 leads on performance (91/100 vs 75/100).
Should you choose the Realme GT 8 over the Samsung Galaxy S23 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 S23 Ultra is a better fit for active users.