Realme X7 Pro vs Realme C31
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
RMX2121, RMX2111
Realme C31
Announced
2020, September
2022, March
Released
2020, September
2022, March
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
160.8 x 75.1 x 8.5 mm (6.33 x 2.96 x 0.33 in)
-
Weight
184 g (6.49 oz)
-
Colors
Dark Blue, White, Rainbow
Light Silver, Dark Green
Protection
-
Glass front, plastic frame, plastic back
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
Yes
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
Yes
4G Network
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
Yes
5G Network
1, 41, 77, 78, 79 SA/NSA
No
SIM
Nano SIM
Nano SIM
Dual SIM
Dual SIM (Nano-SIM, dual stand-by)
Yes, Dual SIM (Nano-SIM, dual stand-by)
Display
Display Type
Super AMOLED
IPS LCD
Size
6.55 inches, 103.6 cm2 (~85.8% screen-to-body ratio)
6.5 inches, 102.0 cm2
Resolution
1080 x 2400 pixels
720 x 1600 pixels
Display Colors
16M colors
16M colors or less
Pixel Density
402 ppi density
270 ppi density
Touch Screen
Corning Gorilla Glass 5
Yes
Display Protection
Corning Gorilla Glass
-
Features
120Hz refresh rate
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Media
FM Radio
No
Unspecified
Earphone Jack
No
Yes
Camera
Camera Set
Quad Cameras
Triple Cameras
Main Camera
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
13 MP, f/2.2, (wide), AF
2nd Camera
8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
3rd Camera
2 MP, f/2.4, (macro)
0.3 MP, f/2.8, (depth)
4th Camera
2 MP, f/2.4, (macro)
-
Camera Video
4K@30fps, 1080p@30/60/120fps, gyro-EIS
1080p@30fps
Features
HDR, panorama
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Flash
LED Flash
LED flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
32 MP, f/2.5, 24mm (wide), 1/2.8", 0.8µm
5 MP
Selfie Video
1080p@30/120fps
720p@30fps
Features
HDR
-
Software
OS
Android 10
Android 11
User Interface
Realme UI
Realme UI 2.0
Hardware
Chipset
Mediatek Dimensity 1000+ (7nm)
Unisoc Tiger T612 (12 nm)
CPU
Octa-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55)
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G77 MC9
Mali-G57
RAM
6/8 GB
3/4 GB
Internal Storage
128/256 GB
32/64 GB
Card Slot
No
Yes microSD, (dedicated slot)
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity
Connectivity
Bluetooth
5.1, A2DP, LE
Yes
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 b/g/n
Wi-fi Hotspot
Yes
Yes
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
microUSB 2.0
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G 2.3 Gbps DL
HSPA 42.2/5.76 Mbps, LTE-A
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Poly (Lithium Polymer)
Capacity
4500 mAh, Battery
5000 mAh, Battery
Placement
Non-removable
Non-removable
Fast Charging
Yes, 65W, 100% in 33 min (advertised)
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