Screen size
G51Winner: 6.1"+9.8%
J45.5"
Quick verdict
G51 leads the measured specs 7-2.
Measured wins
G51
7
spec wins
Overall winner
Ties
8
equal specs
J4
2
spec wins
Screen size
Technology
G51
GSM / HSPA / LTE
J4
GSM / HSPA
2G bands
G51
GSM 850 / 900 / 1800 / 1900
J4
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
J4
HSDPA 850 / 900 / 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
equal specsFront camera
equal specsBattery
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
J4
-
Speed
G51
HSPA, LTE
J4
HSPA 21.1/5.76 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
J4
2019, October. Released 2019, October
Status
G51
Discontinued
J4
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
J4
151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in)
Weight
G51
166 g (5.86 oz)
J4
158 g (5.57 oz)
SIM
G51
Nano-SIM + Nano-SIM
J4
Nano-SIM + Nano-SIM
Type
G51
IPS LCD
J4
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
J4
5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
J4
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
OS
G51
Android 11 (Go edition)
J4
Android 8.1 Oreo (Go edition)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
J4
-
CPU
G51
Quad-core 2.0 GHz Cortex-A53
J4
Quad-core 1.3 GHz Cortex-A7
GPU
G51
PowerVR GE8320
J4
Mali-400
Card slot
G51
microSDXC
J4
microSDXC
Internal
G51
32GB 2GB RAM
J4
32GB 1GB RAM
Other
G51
eMMC 5.1
J4
eMMC 5.1
Dual
G51
8 MP Auxiliary lens
J4
-
Features
G51
LED flash, HDR, panorama
J4
LED flash
Video
G51
1080p@30fps
J4
720p@30fps
Single
G51
-
J4
8 MP, AF
Single
G51
8 MP
J4
8 MP
Video
G51
720p@30fps
J4
720p@30fps
Loudspeaker
G51
Yes
J4
Yes
3.5mm jack
G51
Yes
J4
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
J4
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G51
4.2, A2DP, LE
J4
4.1, A2DP, LE
Positioning
G51
GPS
J4
GPS
NFC
G51
No
J4
No
Radio
G51
FM radio
J4
FM radio
USB
G51
microUSB 2.0
J4
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
J4
Accelerometer
Type
G51
Li-Po 3000 mAh
J4
Li-Po 2200 mAh, removable
Colors
G51
Black, Blue, Green, Silver, Gold
J4
Blue, Black, Brown
Price
G51
-
J4
About 70 EUR