Screen size
G51Winner: 6.1"+3.3%
Vivo XI5.9"
Quick verdict
Vivo XI leads the measured specs 5-3.
Measured wins
G51
3
spec wins
Ties
9
equal specs
Vivo XI
5
spec wins
Overall winner
Screen size
Technology
G51
GSM / HSPA / LTE
Vivo XI
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
Vivo XI
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Vivo XI
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
G51
2, 3, 4, 5, 7, 12, 17, 28, 66
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Vivo XI
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66
Speed
G51
HSPA, LTE
Vivo XI
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
Vivo XI
2018, September. Released 2018, September
Status
G51
Discontinued
Vivo XI
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
Vivo XI
149 x 72.9 x 7.9 mm (5.87 x 2.87 x 0.31 in)
Weight
G51
166 g (5.86 oz)
Vivo XI
187 g (6.60 oz)
SIM
G51
Nano-SIM + Nano-SIM
Vivo XI
Nano-SIM + Micro-SIM
Type
G51
IPS LCD
Vivo XI
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
Vivo XI
5.9 inches, 86.9 cm2 (~80.0% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
Vivo XI
720 x 1520 pixels, 19:9 ratio (~285 ppi density)
OS
G51
Android 11 (Go edition)
Vivo XI
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
Vivo XI
Mediatek MT6762 Helio P22 (12 nm)
CPU
G51
Quad-core 2.0 GHz Cortex-A53
Vivo XI
Octa-core 2.0 GHz Cortex-A53
GPU
G51
PowerVR GE8320
Vivo XI
PowerVR GE8320
Card slot
G51
microSDXC
Vivo XI
microSDXC
Internal
G51
32GB 2GB RAM
Vivo XI
32GB 3GB RAM
Other
G51
eMMC 5.1
Vivo XI
eMMC 5.1
Dual
G51
8 MP Auxiliary lens
Vivo XI
16 MP, f/2.0, 1/3.0", 1.10µm, PDAF Auxiliary lens
Features
G51
LED flash, HDR, panorama
Vivo XI
LED flash, HDR
Video
G51
1080p@30fps
Vivo XI
1080p@30fps
Single
G51
8 MP
Vivo XI
16 MP, f/2.2, 26mm (wide), 1/3.06", 1.0µm
Video
G51
720p@30fps
Vivo XI
720p@30fps
Features
G51
-
Vivo XI
LED flash
Loudspeaker
G51
Yes
Vivo XI
Yes
3.5mm jack
G51
Yes
Vivo XI
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Vivo XI
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth
G51
4.2, A2DP, LE
Vivo XI
4.1, A2DP, LE
Positioning
G51
GPS
Vivo XI
GPS
NFC
G51
No
Vivo XI
No
Radio
G51
FM radio
Vivo XI
FM radio
USB
G51
microUSB 2.0
Vivo XI
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
Vivo XI
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
G51
Li-Po 3000 mAh
Vivo XI
Li-Po 3000 mAh, non-removable
Stand-by
G51
-
Vivo XI
Up to 625 h (3G)
Talk time
G51
-
Vivo XI
Up to 21 h (3G)
Colors
G51
Black, Blue, Green, Silver, Gold
Vivo XI
Black, Silver
Price
G51
-
Vivo XI
About 170 EUR