Motorola Signature vs Samsung Galaxy S21 Ultra
The Motorola Signature (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S21 Ultra (2021) runs on the Samsung Exynos 2100; launch prices were $699 and $1199. By overall MobileRank rating, the Motorola Signature leads — 89/100 vs 61/100 (a 28-point difference). Key differences: the Motorola Signature has the bigger battery (5200 mAh vs 5000); the main camera is 50 MP vs 108 MP; the Motorola Signature is faster in AnTuTu (3,942,923 vs 1,074,182); per DXOMark lab testing, the Motorola Signature has the stronger camera (164 vs 117); the Motorola Signature is noticeably lighter (186g vs 228g).
Motorola Signature
Samsung Galaxy S21 Ultra
- Higher AnTuTu: 3942923 vs 1074182
- Better Geekbench Single: 3640 vs 1435
- Better Geekbench Multi: 11033 vs 3555
- Bigger battery: 5200 vs 5000 mAh
- Faster charging: 90W vs 25W
- Faster wireless charging: 50W vs 15W
- Lighter: 186g vs 228g
- Cheaper at launch: $699 vs $1199
- Higher performance (98/100 vs 63/100)
- Better camera (91/100 vs 55/100)
- Longer battery life (77/100 vs 52/100)
- Better portability (78/100 vs 33/100)
- Better main camera: 108MP vs 50MP
- Better display (89/100 vs 84/100)
Comparing the Motorola Signature vs the Samsung Galaxy S21 Ultra, the Motorola Signature scores 28 points higher (89/100 vs 61/100). In the "performance" category, the Motorola Signature leads (98/100 vs 63/100). In the "camera" category, the Motorola Signature leads (91/100 vs 55/100). In the "battery" category, the Motorola Signature leads (77/100 vs 52/100). Value score: Motorola Signature — 90/100, Samsung Galaxy S21 Ultra — 32/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (98/100 vs 63/100). In the "display" category, the Samsung Galaxy S21 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (91/100 vs 55/100). In the "battery" category, the Motorola Signature notably outperforms the Samsung Galaxy S21 Ultra (77/100 vs 52/100). In the "portability" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (78/100 vs 33/100).
| Specification | Motorola Signature | Samsung Galaxy S21 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 2100 | |
| AnTuTu | 3942923 | 1074182 | |
| Geekbench Single | 3640 | 1435 | |
| Geekbench Multi | 11033 | 3555 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1264x2780 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 5000 mAh | |
| Charging | 90W | 25W | |
| Wireless charging | 50W | 15W | |
| DXOMark (camera) | 164 | 117 | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 13 MP | 12 MP | |
| Telephoto | 50 MP | 10 MP | |
| Front camera | 32 MP | 40 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 6200 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.1×76.4×7.0 mm | 165.1×75.6×8.9 mm | |
| Weight | 186 g | 228 g | |
| Launch price | $699 | $1199 |
Motorola Signature
- Main: 50MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S21 Ultra
- Main: 108MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 40MP
Motorola Signature
- 6.8" AMOLED
- Resolution: 1264x2780
- Refresh rate: 120 Hz
Samsung Galaxy S21 Ultra
- 6.8" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Motorola Signature
- 5200 mAh
- Wired: 90W
- Wireless: 50W
Samsung Galaxy S21 Ultra
- 5000 mAh
- Wired: 25W
- Wireless: 15W
We compared Motorola Signature and Samsung Galaxy S21 Ultra, covering their specs and all relevant benchmarks.
Motorola Signature leads Samsung Galaxy S21 Ultra by 267.1% in our overall performance rating.
Launch price difference: $500. Motorola Signature was $500 cheaper at launch.
performance
In the "performance" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (98/100 vs 63/100).
display
In the "display" category, the Samsung Galaxy S21 Ultra is a bit better (89/100 vs 84/100).
camera
In the "camera" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (91/100 vs 55/100).
battery
In the "battery" category, the Motorola Signature notably outperforms the Samsung Galaxy S21 Ultra (77/100 vs 52/100).
portability
In the "portability" category, the Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra (78/100 vs 33/100).
Which is better: the Motorola Signature or the Samsung Galaxy S21 Ultra?
The Motorola Signature significantly outperforms the Samsung Galaxy S21 Ultra by 28 points (89/100 vs 61/100).
What is the rating of the Motorola Signature and the Samsung Galaxy S21 Ultra?
The Motorola Signature has a MobileRank rating of 89/100, the Samsung Galaxy S21 Ultra — 61/100.
Which has the better camera: the Motorola Signature or the Samsung Galaxy S21 Ultra?
The Motorola Signature leads on camera score (91/100 vs 55/100).
Which is more powerful: the Motorola Signature or the Samsung Galaxy S21 Ultra?
The Motorola Signature leads on performance (98/100 vs 63/100).
Should you choose the Motorola Signature over the Samsung Galaxy S21 Ultra?
The Motorola Signature is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S21 Ultra is a better fit for active users.