Screen size
equal specsG515.0"
G75.0"
Quick verdict
G7 leads the measured specs 7-0.
Measured wins
G51
0
spec wins
Ties
10
equal specs
G7
7
spec wins
Overall winner
Screen size
equal specsTechnology
G51
GSM / HSPA / LTE
G7
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
G7
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 900 / 2100 , HSDPA 850 / 1900
G7
HSDPA 900 / 2100 , HSDPA 850 / 1900
4G bands
G51
1, 3, 7, 8, 20, 2, 4, 5, 8
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
G7
1, 3, 7, 20, 2, 4, 5, 7, 17, 3, 5, 40
Speed
G51
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
G7
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
G51
2017. Released 2017
G7
2017. Released 2017
Status
G51
Discontinued
G7
Discontinued
Dimensions
G51
142.6 x 72.9 x 9.1 mm (5.61 x 2.87 x 0.36 in)
G7
143 x 71.5 x 8.1 mm (5.63 x 2.81 x 0.32 in)
Weight
G51
155 g (5.47 oz)
G7
135 g (4.76 oz)
SIM
G51
Dual SIM (Micro-SIM, dual stand-by)
G7
Dual SIM (Micro-SIM, dual stand-by)
Type
G51
IPS LCD
G7
IPS LCD
Size
G51
5.0 inches, 68.9 cm2 (~66.3% screen-to-body ratio)
G7
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
G51
480 x 854 pixels, 16:9 ratio (~196 ppi density)
G7
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
G51
Scratch-resistant glass
G7
Scratch-resistant glass
OS
G51
Android 7.0 (Nougat)
G7
Android 7.0 (Nougat)
Chipset
G51
Mediatek MT6737M (28 nm)
G7
Mediatek MT6737 (28 nm)
CPU
G51
Quad-core 1.25 GHz Cortex-A53
G7
Quad-core 1.25 GHz Cortex-A53
GPU
G51
Mali-T720MP1
G7
Mali-T720MP1
Card slot
G51
microSDHC (dedicated slot)
G7
microSDHC (dedicated slot)
Internal
G51
8GB 1GB RAM
G7
16GB 1GB RAM
Other
G51
eMMC 5.0
G7
eMMC 5.0
Single
G51
5 MP, f/2.0, AF
G7
8 MP, AF
Features
G51
Dual-LED dual-tone flash, HDR, panorama
G7
LED flash, HDR, panorama
Video
G51
720p@30fps
G7
720p@30fps
Single
G51
5 MP, f/2.4
G7
5 MP
Features
G51
Dual-LED dual-tone flash
G7
LED flash
Video
G51
G7
Loudspeaker
G51
Yes
G7
Yes
3.5mm jack
G51
Yes
G7
Yes
WLAN
G51
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
G7
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G51
4.0, A2DP, LE
G7
4.0, A2DP, LE
Positioning
G51
GPS
G7
GPS
NFC
G51
No
G7
No
Radio
G51
FM radio
G7
FM radio
USB
G51
microUSB 2.0
G7
microUSB 2.0
Sensors
G51
Accelerometer, proximity
G7
Accelerometer, proximity
Type
G51
Li-Ion 2000 mAh, removable
G7
Li-Ion 2200 mAh, removable
Colors
G51
Black, Gold, White, Blue
G7
Black, White, Yellow, Blue
SAR EU
G51
0.71 W/kg (head) 1.11 W/kg (body)
G7
0.53 W/kg (head) 0.87 W/kg (body)