Screen size
G51Winner: 6.1"+15%
S15.2"
Quick verdict
G51 leads the measured specs 7-4.
Measured wins
G51
7
spec wins
Overall winner
Ties
6
equal specs
S1
4
spec wins
Screen size
Technology
G51
GSM / HSPA / LTE
S1
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
S1
GSM 850 / 900 / 1800 / 1900
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
S1
HSDPA 850 / 900 / 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
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
S1
2, 3, 4, 5, 7, 12, 17, 25, 26, 41
Speed
G51
HSPA, LTE
S1
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
S1
2017, September. Released 2017, September
Status
G51
Discontinued
S1
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
S1
147.3 x 72.8 x 8.4 mm (5.80 x 2.87 x 0.33 in)
Weight
G51
166 g (5.86 oz)
S1
137 g (4.83 oz)
SIM
G51
Nano-SIM + Nano-SIM
S1
Nano-SIM
Type
G51
IPS LCD
S1
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
S1
5.2 inches, 74.5 cm2 (~69.5% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
S1
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
OS
G51
Android 11 (Go edition)
S1
Android 7.0 (Nougat)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
S1
Mediatek MT6750 (28 nm)
CPU
G51
Quad-core 2.0 GHz Cortex-A53
S1
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
G51
PowerVR GE8320
S1
Mali-T860MP2
Card slot
G51
microSDXC
S1
microSDXC (dedicated slot)
Internal
G51
32GB 2GB RAM
S1
16GB 2GB RAM
Other
G51
eMMC 5.1
S1
eMMC 5.1
Dual
G51
8 MP Auxiliary lens
S1
-
Features
G51
LED flash, HDR, panorama
S1
LED flash
Video
G51
1080p@30fps
S1
1080p@30fps
Single
G51
-
S1
13 MP
Single
G51
8 MP
S1
5 MP
Video
G51
720p@30fps
S1
Loudspeaker
G51
Yes
S1
Yes
3.5mm jack
G51
Yes
S1
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
S1
Wi-Fi 802.11 b/g/n
Bluetooth
G51
4.2, A2DP, LE
S1
4.0, A2DP
Positioning
G51
GPS
S1
GPS
NFC
G51
No
S1
No
Radio
G51
FM radio
S1
FM radio
USB
G51
microUSB 2.0
S1
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
S1
Fingerprint (front-mounted), accelerometer, proximity, compass
Type
G51
Li-Po 3000 mAh
S1
Li-Po 2800 mAh, non-removable
Stand-by
G51
-
S1
Up to 600 h (2G) / Up to 550 h (3G)
Talk time
G51
-
S1
Up to 24 h (2G) / Up to 16 h (3G)
Colors
G51
Black, Blue, Green, Silver, Gold
S1
Black, Gold