Screen size
equal specsG515.0"
G85.0"
Quick verdict
G8 leads the measured specs 9-0.
Measured wins
G51
0
spec wins
Ties
8
equal specs
G8
9
spec wins
Overall winner
Screen size
equal specsTechnology
G51
GSM / HSPA / LTE
G8
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
G8
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 900 / 2100 , HSDPA 850 / 1900
G8
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
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
G8
1, 3, 5, 7, 8, 20, 40, 2, 4, 5, 7, 17, 28
Speed
G51
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
G8
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
G51
2017. Released 2017
G8
Announced Apr 2018
Status
G51
Discontinued
G8
Discontinued
Dimensions
G51
142.6 x 72.9 x 9.1 mm (5.61 x 2.87 x 0.36 in)
G8
142.8 x 70.7 x 8.5 mm (5.62 x 2.78 x 0.33 in)
Weight
G51
155 g (5.47 oz)
G8
135 g (4.76 oz)
SIM
G51
Dual SIM (Micro-SIM, dual stand-by)
G8
Dual SIM (Micro-SIM, dual stand-by)
Type
G51
IPS LCD
G8
IPS LCD
Size
G51
5.0 inches, 68.9 cm2 (~66.3% screen-to-body ratio)
G8
5.0 inches, 68.9 cm2 (~68.3% screen-to-body ratio)
Resolution
G51
480 x 854 pixels, 16:9 ratio (~196 ppi density)
G8
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
G51
Scratch-resistant glass
G8
Asahi Dragontrail Glass
OS
G51
Android 7.0 (Nougat)
G8
Android 7.0 (Nougat)
Chipset
G51
Mediatek MT6737M (28 nm)
G8
Mediatek MT6737 (28 nm)
CPU
G51
Quad-core 1.25 GHz Cortex-A53
G8
Quad-core 1.25 GHz Cortex-A53
GPU
G51
Mali-T720MP1
G8
Mali-T720MP1
Card slot
G51
microSDHC (dedicated slot)
G8
microSDXC (dedicated slot)
Internal
G51
8GB 1GB RAM
G8
16GB 1GB RAM
Other
G51
eMMC 5.0
G8
eMMC 5.0
Single
G51
5 MP, f/2.0, AF
G8
8 MP, f/2.0, 1/4.0", 1.12µm, AF
Features
G51
Dual-LED dual-tone flash, HDR, panorama
G8
LED flash, HDR, panorama
Video
G51
720p@30fps
G8
720p@30fps
Single
G51
5 MP, f/2.4
G8
8 MP, f/2.0, 1/4.0", 1.12µm
Features
G51
Dual-LED dual-tone flash
G8
LED flash
Video
G51
G8
Loudspeaker
G51
Yes
G8
Yes
3.5mm jack
G51
Yes
G8
Yes
WLAN
G51
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
G8
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G51
4.0, A2DP, LE
G8
4.2, A2DP, LE
Positioning
G51
GPS
G8
GPS
NFC
G51
No
G8
No
Radio
G51
FM radio
G8
FM radio
USB
G51
microUSB 2.0
G8
microUSB 2.0
Sensors
G51
Accelerometer, proximity
G8
Accelerometer, proximity
Type
G51
Li-Ion 2000 mAh, removable
G8
Li-Ion 2500 mAh, removable
Colors
G51
Black, Gold, White, Blue
G8
Black, White, Blue
SAR EU
G51
0.71 W/kg (head) 1.11 W/kg (body)
G8
-