Samsung Galaxy A51 vs OPPO Find X2 Pro Specs Comparison

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.50 x 2.93 x 0.35 inches 165.2 x 74.4 x 8.8 mm
Weight
6.07 oz (172.0 g)	7.30 oz (207.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Ceramic Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Ocean

Display

Size
6.5-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	3168x1440px, 519 PPI
Technology
Super AMOLED	OLED
Refresh rate
60Hz	120Hz
Screen-to-body
87.37 %	88.93 %
Peak brightness
	800 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 2840 MHz Kryo 585
GPU
Mali-G72 MP3	Adreno 650
RAM
4GB (LPDDR4)	12GB (LPDDR5)
Internal storage
128GB, available to use: 105.9 GB	512GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10), Samsung One UI	Android (10), ColorOS UI

Battery

Capacity
4000 mAh	4260 mAh
Type
Li - Polymer
Charging
Fast charging	OPPO VOOC
Charge speed
	Wired: 65.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (OIS, Laser and PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/1.4" Pixel size: 1.12 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	48 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/2" Pixel size: 0.8 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	13 MP (Telephoto, OIS, Laser and PDAF) Optical zoom: 5.0x Aperture size: F3.0 Focal Length: 129 mm Sensor size: 1/3.4" Pixel size: 1 μm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) HDR, Time-lapse video, EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Step counter
Other
NFC, ANT+	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n28, n41, n77, n79
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
$ 400
In The Box
	65W SuperVOOC 2.0 flash charge, Earphones, Type-C Cable, SIM Eject Tool, Phone Case, Quick Guide, Warranty Card

Availability

Officially announced
Dec 12, 2019	Mar 06, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

with Vegan Leather

Dimensions	6.50 x 2.93 x 0.37 inches 165.2 x 74.4 x 9.5 mm
Weight	7.05 oz (200.0 g)
Materials	Back: Leathe
Colors	Orange

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for AT&T

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

for Sprint

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

for Europe

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy A51 Specs	OPPO Find X2 Pro Specs
PhoneArena Review
Samsung Galaxy A51 Review	OPPO Find X2 Pro Review
User Reviews
Samsung Galaxy A51 User Reviews