Samsung Galaxy S21 Ultra vs Xiaomi 17T Pro
The Samsung Galaxy S21 Ultra (2021) runs on the Samsung Exynos 2100, while the Xiaomi 17T Pro (2026) runs on the MediaTek Dimensity 9500; launch prices were $1199 and $899. By overall MobileRank rating, the Xiaomi 17T Pro leads — 82/100 vs 61/100 (a 21-point difference). Key differences: the Xiaomi 17T Pro has the bigger battery (7000 mAh vs 5000); the main camera is 108 MP vs 50 MP; the Xiaomi 17T Pro is faster in AnTuTu (3,182,664 vs 1,074,182); the Xiaomi 17T Pro is noticeably lighter (205g vs 228g).
Profile comparison
Category scores
Samsung Galaxy S21 Ultra
Xiaomi 17T Pro
What makes Samsung Galaxy S21 Ultra better?
- Better main camera: 108MP vs 50MP
- Overall rating 61/100
What makes Xiaomi 17T Pro better?
- Higher AnTuTu: 3182664 vs 1074182
- Better Geekbench Single: 3293 vs 1435
- Better Geekbench Multi: 10243 vs 3555
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Lighter: 205g vs 228g
- Cheaper at launch: $899 vs $1199
- Higher performance (93/100 vs 63/100)
- Better camera (63/100 vs 55/100)
- Longer battery life (87/100 vs 52/100)
- Better display (94/100 vs 89/100)
- Better portability (54/100 vs 33/100)
Comparison verdict
Comparing the Samsung Galaxy S21 Ultra vs the Xiaomi 17T Pro, the Xiaomi 17T Pro scores 21 points higher (82/100 vs 61/100). In the "performance" category, the Xiaomi 17T Pro leads (93/100 vs 63/100). In the "battery" category, the Xiaomi 17T Pro leads (87/100 vs 52/100). Value score: Samsung Galaxy S21 Ultra — 32/100, Xiaomi 17T Pro — 76/100; 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 Xiaomi 17T Pro significantly outperforms the Samsung Galaxy S21 Ultra (93/100 vs 63/100). In the "display" category, the Xiaomi 17T Pro is a bit better (94/100 vs 89/100). In the "camera" category, the Xiaomi 17T Pro is a bit better (63/100 vs 55/100). In the "battery" category, the Xiaomi 17T Pro significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 52/100). In the "portability" category, the Xiaomi 17T Pro notably outperforms the Samsung Galaxy S21 Ultra (54/100 vs 33/100).
Specs comparison
| Specification | Samsung Galaxy S21 Ultra | Xiaomi 17T Pro | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | MediaTek Dimensity 9500 | |
| AnTuTu | 1074182 | 3182664 | |
| Geekbench Single | 1435 | 3293 | |
| Geekbench Multi | 3555 | 10243 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 3200x1440 | 2772x1280 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 25W | 100W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | 117 | — | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 12 MP | 12 MP | |
| Telephoto | 10 MP | 50 MP | |
| Front camera | 40 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 128GB / 256GB / 512GB | 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 1500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 165.1×75.6×8.9 mm | — | |
| Weight | 228 g | 205 g | |
| Launch price | $1199 | $899 |
Camera comparison
Samsung Galaxy S21 Ultra
- Main: 108MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 40MP
Xiaomi 17T Pro
- Main: 50MP f/1.6
- Ultrawide: 12MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy S21 Ultra
- 6.8" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi 17T Pro
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S21 Ultra
- 5000 mAh
- Wired: 25W
- Wireless: 15W
Xiaomi 17T Pro
- 7000 mAh
- NanoReview test: web browsing 18:30 hrs, total 36:42 hrs
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Samsung Galaxy S21 Ultra and Xiaomi 17T Pro, covering their specs and all relevant benchmarks.
Xiaomi 17T Pro leads Samsung Galaxy S21 Ultra by 66.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $300. Xiaomi 17T Pro was $300 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17T Pro significantly outperforms the Samsung Galaxy S21 Ultra (93/100 vs 63/100).
display
In the "display" category, the Xiaomi 17T Pro is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 17T Pro is a bit better (63/100 vs 55/100).
battery
In the "battery" category, the Xiaomi 17T Pro significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 52/100).
portability
In the "portability" category, the Xiaomi 17T Pro notably outperforms the Samsung Galaxy S21 Ultra (54/100 vs 33/100).
Frequently asked questions
Which is better: the Samsung Galaxy S21 Ultra or the Xiaomi 17T Pro?
The Xiaomi 17T Pro significantly outperforms the Samsung Galaxy S21 Ultra by 21 points (82/100 vs 61/100).
What is the rating of the Samsung Galaxy S21 Ultra and the Xiaomi 17T Pro?
The Samsung Galaxy S21 Ultra has a MobileRank rating of 61/100, the Xiaomi 17T Pro — 82/100.
Which has the better camera: the Samsung Galaxy S21 Ultra or the Xiaomi 17T Pro?
The Xiaomi 17T Pro leads on camera score (63/100 vs 55/100).
Which is more powerful: the Samsung Galaxy S21 Ultra or the Xiaomi 17T Pro?
The Xiaomi 17T Pro leads on performance (93/100 vs 63/100).
Should you choose the Samsung Galaxy S21 Ultra over the Xiaomi 17T Pro?
The Samsung Galaxy S21 Ultra is a better fit for active users. The Xiaomi 17T Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.