Realme V21 vs Xiaomi 15 Ultra

Realme V21

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None

Realme GT 8 Pro Realme Neo8 Realme GT 8 Realme GT7 Pro Realme GT7 Pro Racing Realme GT 7 Pro Realme GT7 (China) Realme Neo7

Xiaomi 15 Ultra

Qualcomm Snapdragon 8 Elite

Xiaomi 17 Pro Max Xiaomi 17 Max Xiaomi 17 Ultra Xiaomi 17 Pro Xiaomi 17 Xiaomi 17T Pro Xiaomi 15 Pro Xiaomi 15S Pro

A full comparison of the Realme V21 and the Xiaomi 15 Ultra is not possible yet: there is too little verified data on the Realme V21 to compute a MobileRank score. The specs we do have are in the table below.

Profile comparison

Category scores

Realme V21

Performance —

Display 39

Camera 10

Battery 66

Portability —

Value for money —

Xiaomi 15 Ultra

Performance 92

Display 90

Camera 87

Battery 80

Portability 29

Value for money 82

What makes Realme V21 better?

What makes Xiaomi 15 Ultra better?

Bigger battery: 6000 vs 5000 mAh
Better main camera: 50MP vs 13MP

Comparison verdict

Realme V21:

Xiaomi 15 Ultra:

Specs comparison

Specification	Realme V21	Xiaomi 15 Ultra
Processor	—	Qualcomm Snapdragon 8 Elite
AnTuTu	—	3030376
Geekbench Single	—	3050
Geekbench Multi	—	10200
Display	6.6" TFT	6.7" LTPO AMOLED
Resolution	720x1612	3200x1440
Refresh rate	—	120 Hz
Battery	5000 mAh	6000 mAh
Charging	—	90W
Wireless charging	—	50W
DXOMark (camera)	—	159
Main camera	13 MP	50 MP
Ultrawide	0 MP	50 MP
Telephoto	0 MP	50 MP
Front camera	8 MP	32 MP
RAM	4GB / 6GB / 8GB	16GB
Storage	128GB	256GB / 512GB / 1TB
OS	Android 12, Realme UI 3.0	Android 15 / HyperOS 2
Brightness (peak)	—	3200 nits
NFC	no	yes
Protection	—	IP68
Dimensions	—	161.3×75.3×9.4 mm
Weight	—	225 g
Launch price	—	$999