Screen size
G406.0"
G51Winner: 6.1"+1.6%
Quick verdict
G51 leads the measured specs 5-2.
Measured wins
G40
2
spec wins
Ties
10
equal specs
G51
5
spec wins
Overall winner
Screen size
Technology
G40
GSM / HSPA / LTE
G51
GSM / HSPA / LTE
2G bands
G40
GSM 850 / 900 / 1800 / 1900
G51
GSM 850 / 900 / 1800 / 1900
3G bands
G40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
G40
2, 3, 4, 5, 7, 12, 17, 28, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
Front camera
equal specsBattery
equal specsWired 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
G51
2, 3, 4, 5, 7, 12, 17, 28, 66
Speed
G40
HSPA, LTE
G51
HSPA, LTE
Announced
G40
2022, June. Released 2022, June
G51
2022, June 03. Released 2022, June 03
Status
G40
Discontinued
G51
Discontinued
Dimensions
G40
163.4 x 78.8 x 10.8 mm (6.43 x 3.10 x 0.43 in)
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
Weight
G40
203 g (7.16 oz)
G51
166 g (5.86 oz)
SIM
G40
Nano-SIM + Nano-SIM
G51
Nano-SIM + Nano-SIM
Type
G40
IPS LCD
G51
IPS LCD
Size
G40
6.0 inches, 92.9 cm2 (~72.2% screen-to-body ratio)
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
Resolution
G40
720 x 1440 pixels, 18:9 ratio (~268 ppi density)
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
OS
G40
Android 11
G51
Android 11 (Go edition)
CPU
G40
Quad-core 2.0 GHz Cortex-A75
G51
Quad-core 2.0 GHz Cortex-A53
Chipset
G40
-
G51
Mediatek MT6761 Helio A22 (12 nm)
GPU
G40
-
G51
PowerVR GE8320
Card slot
G40
microSDXC
G51
microSDXC
Internal
G40
32GB 3GB RAM
G51
32GB 2GB RAM
Other
G40
eMMC 5.1
G51
eMMC 5.1
Dual
G40
13 MP 0.3 MP
G51
8 MP Auxiliary lens
Features
G40
LED flash, HDR, panorama
G51
LED flash, HDR, panorama
Video
G40
1080p@30fps
G51
1080p@30fps
Single
G40
8 MP
G51
8 MP
Video
G40
1080p@30fps
G51
720p@30fps
Loudspeaker
G40
Yes
G51
Yes
3.5mm jack
G40
Yes
G51
Yes
WLAN
G40
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth
G40
4.2, A2DP, LE
G51
4.2, A2DP, LE
Positioning
G40
GPS
G51
GPS
NFC
G40
No
G51
No
Radio
G40
FM radio
G51
FM radio
USB
G40
microUSB 2.0
G51
microUSB 2.0
Sensors
G40
Accelerometer
G51
Fingerprint (rear-mounted), accelerometer, proximity
Type
G40
Li-Ion 3000 mAh, removable
G51
Li-Po 3000 mAh
Colors
G40
Black, Blue, Green, Cyan, Teal, White
G51
Black, Blue, Green, Silver, Gold
Price
G40
About 100 EUR
G51
-