Redmi K80 Ultra vs Samsung Galaxy S23 Ultra
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, 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 Redmi K80 Ultra leads — 73/100 vs 70/100 (a 3-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 1,684,869); the Redmi K80 Ultra is noticeably lighter (219g vs 234g).
Profile comparison
Category scores
Redmi K80 Ultra
Samsung Galaxy S23 Ultra
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 1684869
- Better Geekbench Single: 2729 vs 2004
- Better Geekbench Multi: 8430 vs 5311
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 219g vs 234g
- Cheaper at launch: $350 vs $1199
- Higher performance (89/100 vs 75/100)
- Longer battery life (86/100 vs 56/100)
- Better display (94/100 vs 88/100)
- Better portability (40/100 vs 29/100)
What makes Samsung Galaxy S23 Ultra better?
- Better main camera: 200MP vs 50MP
- Better camera (73/100 vs 37/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Samsung Galaxy S23 Ultra, the Redmi K80 Ultra scores 3 points higher (73/100 vs 70/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 75/100). In the "camera" category, the Samsung Galaxy S23 Ultra leads (73/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 56/100). Value score: Redmi K80 Ultra — 80/100, 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 Redmi K80 Ultra is a bit better (89/100 vs 75/100). In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 88/100). In the "camera" category, the Samsung Galaxy S23 Ultra significantly outperforms the Redmi K80 Ultra (73/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy S23 Ultra (86/100 vs 56/100). In the "portability" category, the Redmi K80 Ultra is a bit better (40/100 vs 29/100).
Specs comparison
| Specification | Redmi K80 Ultra | Samsung Galaxy S23 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Gen 2 | |
| AnTuTu | 2874956 | 1684869 | |
| Geekbench Single | 2729 | 2004 | |
| Geekbench Multi | 8430 | 5311 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1440x3088 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | — | 15W | |
| DXOMark (camera) | — | 140 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 13, up to 4 major Android upgrades, One UI 8 | |
| Brightness (peak) | 3200 nits | 1750 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 163.4×78.1×8.9 mm | |
| Weight | 219 g | 234 g | |
| Launch price | $350 | $1199 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy S23 Ultra
- Main: 200MP f/1.7
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Samsung Galaxy S23 Ultra
- 6.8" AMOLED
- Resolution: 1440x3088
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy S23 Ultra
- 5000 mAh
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Redmi K80 Ultra and Samsung Galaxy S23 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Samsung Galaxy S23 Ultra by 70.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $849. Redmi K80 Ultra was $849 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra is a bit better (89/100 vs 75/100).
display
In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S23 Ultra significantly outperforms the Redmi K80 Ultra (73/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy S23 Ultra (86/100 vs 56/100).
portability
In the "portability" category, the Redmi K80 Ultra is a bit better (40/100 vs 29/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Samsung Galaxy S23 Ultra?
The Redmi K80 Ultra edges out the Samsung Galaxy S23 Ultra by just 3 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Samsung Galaxy S23 Ultra?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy S23 Ultra — 70/100.
Which has the better camera: the Redmi K80 Ultra or the Samsung Galaxy S23 Ultra?
The Samsung Galaxy S23 Ultra leads on camera score (73/100 vs 37/100).
Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy S23 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 75/100).
Should you choose the Redmi K80 Ultra over the Samsung Galaxy S23 Ultra?
The Redmi K80 Ultra 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.