Screen size
G51Winner: 6.1"+18%
J25.0"
Quick verdict
G51 leads the measured specs 10-1.
Measured wins
G51
10
spec wins
Overall winner
Ties
6
equal specs
J2
1
spec wins
Screen size
Technology
G51
GSM / HSPA / LTE
J2
GSM / HSPA
2G bands
G51
GSM 850 / 900 / 1800 / 1900
J2
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
J2
HSDPA 850 / 1900 / 2100
4G bands
G51
2, 3, 4, 5, 7, 12, 17, 28, 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
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
J2
-
Speed
G51
HSPA, LTE
J2
HSPA 21.1/5.76 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
J2
2019, December. Released 2019, December
Status
G51
Discontinued
J2
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
J2
144 x 73.1 x 10.3 mm (5.67 x 2.88 x 0.41 in)
Weight
G51
166 g (5.86 oz)
J2
146 g (5.15 oz)
SIM
G51
Nano-SIM + Nano-SIM
J2
Nano-SIM + Nano-SIM
Type
G51
IPS LCD
J2
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
J2
5.0 inches, 68.9 cm2 (~65.4% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
J2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
G51
Android 11 (Go edition)
J2
Android 8.1 Oreo (Go edition)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
J2
-
CPU
G51
Quad-core 2.0 GHz Cortex-A53
J2
Quad-core 1.3 GHz Cortex-A7
GPU
G51
PowerVR GE8320
J2
Mali-400
Card slot
G51
microSDXC
J2
microSDXC
Internal
G51
32GB 2GB RAM
J2
32GB 1GB RAM
Other
G51
eMMC 5.1
J2
eMMC 5.1
Dual
G51
8 MP Auxiliary lens
J2
-
Features
G51
LED flash, HDR, panorama
J2
LED flash
Video
G51
1080p@30fps
J2
720p@30fps
Single
G51
-
J2
5 MP
Single
G51
8 MP
J2
5 MP
Video
G51
720p@30fps
J2
720p@30fps
Loudspeaker
G51
Yes
J2
Yes
3.5mm jack
G51
Yes
J2
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
J2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G51
4.2, A2DP, LE
J2
4.1, A2DP, LE
Positioning
G51
GPS
J2
GPS
NFC
G51
No
J2
No
Radio
G51
FM radio
J2
FM radio
USB
G51
microUSB 2.0
J2
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
J2
Accelerometer
Type
G51
Li-Po 3000 mAh
J2
Li-Po 2000 mAh battery
Colors
G51
Black, Blue, Green, Silver, Gold
J2
Blue, Black, Brown
Price
G51
-
J2
About 50 EUR