Samsung Galaxy S23 Ultra vs Samsung Galaxy S25 Slim
Comparing the Samsung Galaxy S23 Ultra (2023) and the Samsung Galaxy S25 Slim (2024) on specs and benchmarks. By overall MobileRank rating, the Samsung Galaxy S23 Ultra leads — 49/100 vs 37/100 (a 12-point difference).
Samsung Galaxy S23 Ultra
Samsung Galaxy S25 Slim
- Higher performance (29/100 vs 0/100)
- Longer battery life (42/100 vs 0/100)
- Better camera (81/100 vs 73/100)
- Better design/ergonomics (50/100 vs 7/100)
- Better value for money (55/100 vs 27/100)
Comparing the Samsung Galaxy S23 Ultra vs the Samsung Galaxy S25 Slim, the Samsung Galaxy S23 Ultra scores 12 points higher (49/100 vs 37/100). In the "performance" category, the Samsung Galaxy S23 Ultra leads (29/100 vs 0/100). In the "battery" category, the Samsung Galaxy S23 Ultra leads (42/100 vs 0/100). In the "value for money" category, the Samsung Galaxy S25 Slim leads (55/100 vs 27/100). In the "performance" category, the Samsung Galaxy S23 Ultra notably outperforms the Samsung Galaxy S25 Slim (29/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Slim is a bit better (81/100 vs 73/100). In the "battery" category, the Samsung Galaxy S23 Ultra significantly outperforms the Samsung Galaxy S25 Slim (42/100 vs 0/100). In the "design" category, the Samsung Galaxy S25 Slim significantly outperforms the Samsung Galaxy S23 Ultra (50/100 vs 7/100). In the "value for money" category, the Samsung Galaxy S25 Slim notably outperforms the Samsung Galaxy S23 Ultra (55/100 vs 27/100).
| Specification | Samsung Galaxy S23 Ultra | Samsung Galaxy S25 Slim | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 2 | — | |
| AnTuTu | 1681378 | — | |
| Geekbench Single | 2004 | — | |
| Geekbench Multi | 5311 | — | |
| Display | 6.8" AMOLED | 6.7" OLED | |
| Resolution | 1440x3088 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | — | |
| Charging | 45W | — | |
| DXOMark (camera) | 140 | — | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 10 MP | 50 MP | |
| Front camera | 12 MP | 10 MP | |
| RAM | 8GB / 12GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 13, One UI 5.1 | Android 15, One UI 7 | |
| Brightness (peak) | 1750 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.4×78.1×8.9 mm | — | |
| Weight | 234 g | — | |
| Price | $1199 | — |
Samsung Galaxy S23 Ultra
- Main: 200MP
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Samsung Galaxy S25 Slim
- Main: 200MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 10MP
Samsung Galaxy S23 Ultra
- 6.8" AMOLED
- Resolution: 1440x3088
- Refresh rate: 120 Hz
Samsung Galaxy S25 Slim
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Samsung Galaxy S23 Ultra
- 5000 mAh
- Wired: 45W
- No wireless charging
Samsung Galaxy S25 Slim
- —
- No wireless charging
Samsung Galaxy S25 Slim
Price unknownperformance
In the "performance" category, the Samsung Galaxy S23 Ultra notably outperforms the Samsung Galaxy S25 Slim (29/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S25 Slim is a bit better (81/100 vs 73/100).
battery
In the "battery" category, the Samsung Galaxy S23 Ultra significantly outperforms the Samsung Galaxy S25 Slim (42/100 vs 0/100).
design
In the "design" category, the Samsung Galaxy S25 Slim significantly outperforms the Samsung Galaxy S23 Ultra (50/100 vs 7/100).
value for money
In the "value for money" category, the Samsung Galaxy S25 Slim notably outperforms the Samsung Galaxy S23 Ultra (55/100 vs 27/100).
Which is better: the Samsung Galaxy S23 Ultra or the Samsung Galaxy S25 Slim?
The Samsung Galaxy S23 Ultra is noticeably better than the Samsung Galaxy S25 Slim — the overall rating gap is 12 points.
What is the rating of the Samsung Galaxy S23 Ultra and the Samsung Galaxy S25 Slim?
The Samsung Galaxy S23 Ultra has a MobileRank rating of 49/100, the Samsung Galaxy S25 Slim — 37/100.
Which has the better camera: the Samsung Galaxy S23 Ultra or the Samsung Galaxy S25 Slim?
The Samsung Galaxy S25 Slim leads on camera score (81/100 vs 73/100).
Which is more powerful: the Samsung Galaxy S23 Ultra or the Samsung Galaxy S25 Slim?
The Samsung Galaxy S23 Ultra leads on performance (29/100 vs 0/100).
Should you choose the Samsung Galaxy S23 Ultra over the Samsung Galaxy S25 Slim?
The Samsung Galaxy S23 Ultra is a better fit for everyday use. The Samsung Galaxy S25 Slim is a better fit for mobile photography enthusiasts.