Screen size
G51Winner: 6.1"+9.8%
R2 Plus5.5"
Quick verdict
R2 Plus leads the measured specs 6-4.
Measured wins
G51
4
spec wins
Ties
7
equal specs
R2 Plus
6
spec wins
Overall winner
Screen size
Technology
G51
GSM / HSPA / LTE
R2 Plus
GSM / HSPA / LTE
2G bands
G51
GSM 850 / 900 / 1800 / 1900
R2 Plus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
G51
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
R2 Plus
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
Storage
equal specsMain 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 Plus
1, 2, 3, 4, 7, 12, 17, 28
Speed
G51
HSPA, LTE
R2 Plus
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
G51
2022, June 03. Released 2022, June 03
R2 Plus
2017, November. Released 2017, November
Status
G51
Discontinued
R2 Plus
Discontinued
Dimensions
G51
155.3 x 73.5 x 9.5 mm (6.11 x 2.89 x 0.37 in)
R2 Plus
155.7 x 77 x 9.2 mm (6.13 x 3.03 x 0.36 in)
Weight
G51
166 g (5.86 oz)
R2 Plus
167 g (5.89 oz)
SIM
G51
Nano-SIM + Nano-SIM
R2 Plus
Dual SIM (Micro-SIM)
Type
G51
IPS LCD
R2 Plus
IPS LCD
Size
G51
6.1 inches, 92.9 cm2 (~81.4% screen-to-body ratio)
R2 Plus
5.5 inches, 83.4 cm2 (~69.6% screen-to-body ratio)
Resolution
G51
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
R2 Plus
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
OS
G51
Android 11 (Go edition)
R2 Plus
Android 7.0 (Nougat)
Chipset
G51
Mediatek MT6761 Helio A22 (12 nm)
R2 Plus
Mediatek MT6753 (28 nm)
CPU
G51
Quad-core 2.0 GHz Cortex-A53
R2 Plus
Octa-core 1.3 GHz
GPU
G51
PowerVR GE8320
R2 Plus
Mali-T720
Card slot
G51
microSDXC
R2 Plus
microSDXC
Internal
G51
32GB 2GB RAM
R2 Plus
32GB 3GB RAM
Other
G51
eMMC 5.1
R2 Plus
-
Dual
G51
8 MP Auxiliary lens
R2 Plus
-
Features
G51
LED flash, HDR, panorama
R2 Plus
Dual-LED dual-tone flash, HDR
Video
G51
1080p@30fps
R2 Plus
1080p@30fps
Single
G51
-
R2 Plus
13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Single
G51
8 MP
R2 Plus
13 MP
Video
G51
720p@30fps
R2 Plus
Features
G51
-
R2 Plus
dual-LED dual-tone flash
Loudspeaker
G51
Yes
R2 Plus
Yes
3.5mm jack
G51
Yes
R2 Plus
Yes
WLAN
G51
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
R2 Plus
Wi-Fi 802.11 b/g/n
Bluetooth
G51
4.2, A2DP, LE
R2 Plus
4.0, A2DP
Positioning
G51
GPS
R2 Plus
GPS
NFC
G51
No
R2 Plus
No
Radio
G51
FM radio
R2 Plus
FM radio
USB
G51
microUSB 2.0
R2 Plus
microUSB 2.0
Sensors
G51
Fingerprint (rear-mounted), accelerometer, proximity
R2 Plus
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
G51
Li-Po 3000 mAh
R2 Plus
Li-Po 3000 mAh, non-removable
Stand-by
G51
-
R2 Plus
Up to 725 h (2G) / Up to 625 h (3G)
Talk time
G51
-
R2 Plus
Up to 26 h (2G) / Up to 16 h (3G)
Colors
G51
Black, Blue, Green, Silver, Gold
R2 Plus
Black, Gold