Oppo A31 vs Oppo K7x
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
CPH2015
Oppo K7x
Announced
2020, February
2020, November
Released
2020, February
2020, November
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
162.1 x 75 x 9.1 mm (6.38 x 2.95 x 0.36 in)
Weight
180 g (6.35 oz)
194 g (6.84 oz)
Protection
Glass front, plastic back, plastic frame
-
Colors
Fantasy White, Mystery Black
Blue, Silver, Mint
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network
HSDPA 850 / 900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
4G Network
LTE (unspecified)
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
SIM
Nano SIM
Nano SIM
Dual SIM
Dual SIM (Nano-SIM, dual stand-by)
Yes, Dual SIM (Nano-SIM, dual stand-by)
5G Network
-
1, 41, 77, 78, 79 SA/NSA
Display
Display Type
IPS LCD
IPS LCD
Size
6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
6.5 inches, 102.0 cm2 (~83.9% screen-to-body ratio)
Resolution
720 x 1600 pixels
1080 x 2400 pixels
Display Colors
16M colors
16M colors
Pixel Density
270 ppi density
405 ppi density
Touch Screen
Capacitive Touchscreen
Capacitive Touchscreen
Features
480 nits typ. brightness
-
Display Protection
-
Corning Gorilla Glass
Media
FM Radio
Yes
No
Earphone Jack
Yes
Yes
Camera
Camera Set
Triple Cameras
Quad Cameras
Main Camera
12 MP, f/1.8, (wide), PDAF
48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF
2nd Camera
2 MP, f/2.4, 27mm (macro), 1/5.0", 1.75µm
8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm
3rd Camera
2 MP, f/2.4, (depth)
2 MP, f/2.4, (macro)
Camera Video
1080p@30fps
4K@30fps, 1080p@30/60/120fps; gyro-EIS
Features
HDR, panorama
HDR, panorama
Flash
LED flash,
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
8 MP, f/2.0
16 MP, f/2.1, 26mm (wide), 1/3.06", 1.0µm
Selfie Video
1080p@30fps
1080p@30fps
Features
HDR
HDR
4th Camera
-
2 MP, f/2.4, (depth)
Software
OS
Android 9.0 (Pie)
Android 10
User Interface
ColorOS 6.1
Realme UI 1.0
Hardware
Chipset
Mediatek MT6765V/CB Helio P35 (12nm)
MediaTek Dimensity 720 5G (7 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MC3
RAM
4 GB
6/8 GB
Internal Storage
128 GB (eMMC 5.1)
128 GB
Card Slot
Yes, microSD, up to 256 GB
Yes, microSD, up to 256 GB (uses shared SIM slot)
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-fi Hotspot
Yes
Yes
USB
microUSB 2.0, USB On-The-Go
2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
No
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G 2.3 Gbps DL
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Poly (Lithium Polymer)
Capacity
4230 mAh battery
5000 mAh, Battery
Placement
Non-removable
Non-removable
Fast Charging
-
Yes, 30W, 100% in 65 min (advertised)