Oppo K7x vs Oppo A57 4G
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
Oppo K7x
CPH2387
Announced
2020, November
2022, May
Released
2020, November
2022, May
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
162.1 x 75 x 9.1 mm (6.38 x 2.95 x 0.36 in)
163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)
Weight
194 g (6.84 oz)
187 g (6.60 oz)
Colors
Blue, Silver, Mint
Glowing Black, Glowing Green
Protection
-
Glass front, plastic frame, plastic back
IPX4 water resistant, IP5X dust resistant
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
Yes
3G Network
HSDPA 800 / 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
Yes, Dual SIM (Nano-SIM, dual stand-by)
Yes, Dual SIM (Nano-SIM, dual stand-by)
Display
Display Type
IPS LCD
IPS LCD
Size
6.5 inches, 102.0 cm2 (~83.9% screen-to-body ratio)
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
Resolution
1080 x 2400 pixels
720 x 1612 pixels
Display Colors
16M colors
16M colors or more
Pixel Density
405 ppi density
269 ppi density
Touch Screen
Capacitive Touchscreen
Yes
Display Protection
Corning Gorilla Glass
-
Media
FM Radio
No
No
Earphone Jack
Yes
Yes
Camera
Camera Set
Quad Cameras
Dual Cameras
Main Camera
48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF
2nd Camera
8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
3rd Camera
2 MP, f/2.4, (macro)
-
4th Camera
2 MP, f/2.4, (depth)
-
Camera Video
4K@30fps, 1080p@30/60/120fps; gyro-EIS
1080p@30fps
Features
HDR, panorama
HDR, panorama
Flash
LED Flash
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
16 MP, f/2.1, 26mm (wide), 1/3.06", 1.0µm
8 MP, f/2.0, 26mm (wide)
Selfie Video
1080p@30fps
1080p@30fps
Features
HDR
HDR
Software
OS
Android 10
Android 12
User Interface
Realme UI 1.0
ColorOS 12.1
Hardware
Chipset
MediaTek Dimensity 720 5G (7 nm)
MediaTek MT6765G Helio G35 (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Mali-G57 MC3
PowerVR GE8320
RAM
6/8 GB
3 GB
Internal Storage
128 GB
64 GB
Card Slot
Yes, microSD, up to 256 GB (uses shared SIM slot)
Yes, via microSD card
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.2, A2DP, LE, aptX HD
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
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
NFC
No
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
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Poly (Lithium Polymer)
Capacity
5000 mAh, Battery
5000 mAh, Battery
Placement
Non-removable
Non-removable
Fast Charging
Yes, 30W, 100% in 65 min (advertised)
Yes, 33W, 50% in 30 min (advertised)