Screen size
V80Winner: 6.6"+4.7%
X21 UD6.3"
Quick verdict
V80 leads the measured specs 15-4.
Measured wins
V80
15
spec wins
Overall winner
Ties
3
equal specs
X21 UD
4
spec wins
Screen size
Technology
V80
GSM / HSPA / LTE / 5G
X21 UD
GSM / CDMA / HSPA / LTE
2G bands
V80
GSM 850 / 900 / 1800 / 1900
X21 UD
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
V80
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X21 UD
HSDPA 850 / 900 / 1900 / 2100
4G bands
V80
1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
SD card
Stereo speakers
X21 UD
1, 2, 3, 5, 8, 34, 38, 39, 40, 41
5G bands
V80
1, 3, 5, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
X21 UD
-
Speed
V80
HSPA, LTE, 5G
X21 UD
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
V80
2026, October 06
X21 UD
2018, March. Released 2018, March
Status
V80
Available. Released 2026, October 13
X21 UD
Discontinued
Dimensions
V80
157.5 x 74.3 x 7.7 mm (6.20 x 2.93 x 0.30 in)
X21 UD
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
Weight
V80
203 g (7.16 oz)
X21 UD
156.2 g (5.50 oz)
Build
V80
Glass front, aluminum frame, glass back
X21 UD
Glass front (Gorilla Glass 3), aluminum back, aluminum frame
SIM
V80
Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
X21 UD
Nano-SIM + Nano-SIM
Other
V80
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
X21 UD
-
Type
V80
AMOLED, 1B colors, 144Hz, HDR10+, 4320Hz PWM, 1800 nits (HBM), 5000 nits (peak)
X21 UD
Super AMOLED
Size
V80
6.59 inches, 106.1 cm2 (~90.7% screen-to-body ratio)
X21 UD
6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)
Resolution
V80
1260 x 2750 pixels, 19.5:9 ratio (~459 ppi density)
X21 UD
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Protection
V80
Schott Xensation Core
X21 UD
Corning Gorilla Glass 3
OS
V80
Android 17, up to 4 major OS updates, OriginOS 7
X21 UD
Android 8.1 (Oreo), Funtouch 4
Chipset
V80
Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)
X21 UD
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
V80
Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520)
X21 UD
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
V80
Adreno 722
X21 UD
Adreno 512
Card slot
V80
No
X21 UD
microSDXC (uses shared SIM slot)
Internal
V80
128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
X21 UD
128GB 6GB RAM
Other
V80
UFS 4.1 UFS 3.1 (128GB only)
X21 UD
eMMC 5.1
Triple
V80
50 MP, f/1.9, 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.7, 73mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 8 MP, f/2.2, 15mm, 115˚ (ultrawide)
X21 UD
-
Features
V80
Zeiss optics, Ring-LED flash, panorama, HDR
X21 UD
LED flash, HDR, panorama
Video
V80
4K@30/60fps, 1080p@30/60fps, gyro-EIS, OIS, HDR, LUT
X21 UD
1080p@30fps
Dual
V80
-
X21 UD
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF Auxiliary lens
Single
V80
50 MP, f/2.0, 21mm (wide), 1/2.76", 0.64µm, AF
X21 UD
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Features
V80
Zeiss optics, HDR
X21 UD
-
Video
V80
4K@30fps, 1080p@30/60fps
X21 UD
1080p@30fps
Loudspeaker
V80
Yes, with stereo speakers
X21 UD
Yes
3.5mm jack
V80
No
X21 UD
Yes
Other
V80
-
X21 UD
32-bit/192kHz Hi-Res audio
WLAN
V80
Yes
X21 UD
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
V80
5.4, A2DP, LE
X21 UD
5.0, A2DP, LE
Positioning
V80
GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
X21 UD
GPS, GLONASS
NFC
V80
Yes
X21 UD
No
Infrared port
V80
Yes
X21 UD
-
Radio
V80
No
X21 UD
FM radio
USB
V80
USB Type-C 2.0, OTG
X21 UD
microUSB 2.0, OTG
Sensors
V80
Fingerprint (under display, ultrasonic), accelerometer, gyro, compass, proximity
X21 UD
Fingerprint (under display, optical), accelerometer, proximity, compass
Type
V80
Si/C Li-Ion 7200 mAh
X21 UD
Li-Ion 3200 mAh, non-removable
Charging
V80
90W wired, PD, 50% in 30 min Reverse wired Bypass charging
X21 UD
18W wired
Colors
V80
Sunrise Anthem, Horizon Blue, Stellar Black
X21 UD
Black, Ruby Red
Models
V80
V2648
X21 UD
X21UD A
Price
V80
About 580 EUR
X21 UD
About 550 EUR