Screen size
G51Winner: 6.1"+18%
Studio J25.0"
Quick verdict
G51 leads the measured specs 11-1.
Measured wins
G51
11
spec wins
Overall winner
Ties
5
equal specs
Studio J2
1
spec wins
Screen size
Technology
G51
GSM / HSPA / LTE
Studio J2
GSM / HSPA
2G bands
G51
GSM 850 / 900 / 1800 / 1900
Studio J2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Studio J2
HSDPA 850 / 1700(AWS) / 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
Main 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
Studio J2
-
Speed
G51
HSPA, LTE
Studio J2
HSPA 21.1/5.76 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
Studio J2
2017, May. Released 2017, May
Status
G51
Discontinued
Studio J2
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
Studio J2
144.9 x 72.9 x 10.4 mm (5.70 x 2.87 x 0.41 in)
Weight
G51
166 g (5.86 oz)
Studio J2
143 g (5.04 oz)
SIM
G51
Nano-SIM + Nano-SIM
Studio J2
Dual SIM (Micro-SIM, dual stand-by)
Type
G51
IPS LCD
Studio J2
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
Studio J2
5.0 inches, 68.9 cm2 (~65.2% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
Studio J2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
G51
Android 11 (Go edition)
Studio J2
Android 6.0 (Marshmallow)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
Studio J2
Mediatek MT6570 (28 nm)
CPU
G51
Quad-core 2.0 GHz Cortex-A53
Studio J2
Dual-core 1.3 GHz Cortex-A7
GPU
G51
PowerVR GE8320
Studio J2
Mali-400
Card slot
G51
microSDXC
Studio J2
microSDXC
Internal
G51
32GB 2GB RAM
Studio J2
8GB 512MB RAM
Other
G51
eMMC 5.1
Studio J2
-
Dual
G51
8 MP Auxiliary lens
Studio J2
-
Features
G51
LED flash, HDR, panorama
Studio J2
LED flash
Video
G51
1080p@30fps
Studio J2
720p@30fps
Single
G51
-
Studio J2
5 MP
Single
G51
8 MP
Studio J2
2 MP
Video
G51
720p@30fps
Studio J2
Features
G51
-
Studio J2
LED
Loudspeaker
G51
Yes
Studio J2
Yes
3.5mm jack
G51
Yes
Studio J2
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Studio J2
Wi-Fi 802.11 b/g/n
Bluetooth
G51
4.2, A2DP, LE
Studio J2
4.0, A2DP
Positioning
G51
GPS
Studio J2
GPS
NFC
G51
No
Studio J2
No
Radio
G51
FM radio
Studio J2
No
USB
G51
microUSB 2.0
Studio J2
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
Studio J2
Accelerometer
Type
G51
Li-Po 3000 mAh
Studio J2
Li-Po 2000 mAh, removable
Stand-by
G51
-
Studio J2
Up to 650 h (2G) / Up to 550 h (3G)
Talk time
G51
-
Studio J2
Up to 24 h (2G) / Up to 12 h (3G)
Colors
G51
Black, Blue, Green, Silver, Gold
Studio J2
Black, Gold, Rose Gold