Screen size
G51Winner: 6.1"+15%
R2 LTE5.2"
Quick verdict
G51 leads the measured specs 6-4.
Measured wins
G51
6
spec wins
Overall winner
Ties
7
equal specs
R2 LTE
4
spec wins
Screen size
Technology
G51
GSM / HSPA / LTE
R2 LTE
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
R2 LTE
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
R2 LTE
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
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
R2 LTE
1, 3, 7, 20 - R0150EE, 1, 2, 3, 4, 7, 12, 17, 28 - R0170WW
Speed
G51
HSPA, LTE
R2 LTE
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
R2 LTE
2017, July. Released 2017, July
Status
G51
Discontinued
R2 LTE
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
R2 LTE
150.3 x 74.3 x 9.6 mm (5.92 x 2.93 x 0.38 in)
Weight
G51
166 g (5.86 oz)
R2 LTE
156 g (5.50 oz)
SIM
G51
Nano-SIM + Nano-SIM
R2 LTE
Dual SIM (Micro-SIM)
Type
G51
IPS LCD
R2 LTE
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
R2 LTE
5.2 inches, 74.5 cm2 (~66.8% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
R2 LTE
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
OS
G51
Android 11 (Go edition)
R2 LTE
Android 7.0 (Nougat)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
R2 LTE
Mediatek MT6737 (28 nm)
CPU
G51
Quad-core 2.0 GHz Cortex-A53
R2 LTE
Quad-core 1.3 GHz Cortex-A53
GPU
G51
PowerVR GE8320
R2 LTE
Mali-T720
Card slot
G51
microSDXC
R2 LTE
microSDXC
Internal
G51
32GB 2GB RAM
R2 LTE
16GB 2GB RAM, 32GB 3GB RAM
Other
G51
eMMC 5.1
R2 LTE
eMMC 5.0
Dual
G51
8 MP Auxiliary lens
R2 LTE
-
Features
G51
LED flash, HDR, panorama
R2 LTE
Dual-LED dual-tone flash
Video
G51
1080p@30fps
R2 LTE
720p@30fps
Single
G51
-
R2 LTE
13 MP
Single
G51
8 MP
R2 LTE
13 MP
Video
G51
720p@30fps
R2 LTE
Features
G51
-
R2 LTE
dual-LED dual-tone flash
Loudspeaker
G51
Yes
R2 LTE
Yes
3.5mm jack
G51
Yes
R2 LTE
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
R2 LTE
Wi-Fi 802.11 b/g/n
Bluetooth
G51
4.2, A2DP, LE
R2 LTE
4.0, A2DP
Positioning
G51
GPS
R2 LTE
GPS
NFC
G51
No
R2 LTE
No
Radio
G51
FM radio
R2 LTE
FM radio
USB
G51
microUSB 2.0
R2 LTE
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
R2 LTE
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
G51
Li-Po 3000 mAh
R2 LTE
Li-Po 3000 mAh, non-removable
Stand-by
G51
-
R2 LTE
Up to 725 h (2G) / Up to 625 h (3G)
Talk time
G51
-
R2 LTE
Up to 26 h (2G) / Up to 16 h (3G)
Colors
G51
Black, Blue, Green, Silver, Gold
R2 LTE
Black, Gold, Rose Gold, Silver