Home/Samsung/Samsung Galaxy A51 5G vs vivo iQOO U3
Samsung Galaxy A51 5G

Samsung Galaxy A51 5G

#1394
vivo iQOO U3

vivo iQOO U3

#2467

Category Breakdown

Samsung Galaxy A51 5G
vivo iQOO U3
Performance
83.080.6
Camera
64.747.4
Display
82.880.6
Battery
30.633.7
Build
74.40.2
Connectivity
80.575.2
Audio
8.98.9
Overall
59.048.7

Summary

  • The Samsung Galaxy A51 5G features a glass front and plastic back with an aluminum frame, while the vivo iQOO U3 has a more straightforward build without specified materials.
  • The A51 5G sports a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels and a 60Hz refresh rate, whereas the U3 has a slightly larger 6.58-inch IPS LCD with a 90Hz refresh rate and HDR10 support.
  • In terms of performance, the A51 is powered by the Exynos 980 chipset, while the U3 utilizes the Mediatek Dimensity 800U, with the latter offering slightly higher CPU clock speeds.
  • Both devices have a 48 MP rear camera, but the A51 includes a more versatile quad-camera setup and a higher resolution 32 MP selfie camera compared to the U3's 8 MP.
  • The A51 has a 4500 mAh battery with 15W charging, while the U3 offers a larger 5000 mAh battery with 18W charging.
  • Both run on Android 10, but the A51 is upgradable to Android 13 with One UI 5, while the U3 uses IQOO UI 1.5.

Side-by-side Specification Comparison

Samsung Galaxy A51 5G
vivo iQOO U3

General

Release Date

2020, April 08
2020, December 14

Announced

2020, April 08
2020, December 14

Description

Also available with 4G/LTE onlyVersions: SM-A516B/DS (International), SM-A516U (USA), SM-A516F/DSN, SM-A516N (South Korea)
N/A

Display

Size

6.5"
6.58"

Type

Super AMOLED
IPS LCD, 90Hz, HDR10, 460 nits (typ)

Resolution

1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
90Hz

HDR Support

Protection

Corning Gorilla Glass 3
N/A

Performance

Chipset

Exynos 980 (8 nm)
Mediatek Dimensity 800U (7 nm)

CPU

Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

GPU

Mali-G76 MP5
Mali-G57 MC3

Memory

128GB 6GB RAM, 128GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
No

Camera

Main Camera

48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.2, (depth)
48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF2 MP, f/2.4, (depth)

Main Camera Features

LED flash, panorama, HDR
LED flash, HDR, panorama

Front Camera

32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
8 MP, f/2.0, (wide)

Front Camera Features

HDR
HDR

Video Recording

4K@30fps, 1080p@30/120fps; gyro-EIS
4K@30fps, 1080p@30fps

Selfie Video

4K@30fps, 1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

4500 mAh
5000 mAh

Battery Details

Li-Po 4500 mAh
5000 mAh

Charging Details

15W wired
18W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)

Weight

187 g
185.5 g

Materials

Glass front (Gorilla Glass 3), plastic back, aluminum frame
N/A

Colors

Prism Cube Black, Prism Cube White, Prism Cube Pink
White, Gray, Aurora

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / LTE / 5G

Network Speed

HSPA, LTE, 5G
HSPA, LTE, 5G

5G

4G

WiFi

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

Bluetooth

5.0, A2DP, LE
5.1, A2DP, LE, aptX HD

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS, GALILEO

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 10, upgradable to Android 13, One UI 5
Android 10, IQOO UI 1.5

Fingerprint

Face Unlock

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass