Home/Samsung/Samsung Galaxy A51 vs Xiaomi Mi 9 Lite
Samsung Galaxy A51

Samsung Galaxy A51

#2348
Xiaomi Mi 9 Lite

Xiaomi Mi 9 Lite

#2350

Category Breakdown

Samsung Galaxy A51
Xiaomi Mi 9 Lite
Performance
62.562.5
Camera
47.947.9
Display
79.579.5
Battery
43.543.5
Build
79.879.8
Overall
61.161.1

Summary

  • The Samsung Galaxy A51 features a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels, while the Xiaomi Mi 9 Lite has a slightly smaller 6.39-inch Super AMOLED display with HDR support and a resolution of 1080 x 2340 pixels.
  • In terms of performance, the Galaxy A51 is powered by the Exynos 9611 chipset, whereas the Mi 9 Lite utilizes the Snapdragon 710, both offering adequate performance for daily tasks.
  • Camera-wise, both phones have a 48 MP main sensor, but the Mi 9 Lite has a wider aperture of f/1.8 compared to the A51's f/2.0, potentially enhancing low-light performance.
  • The A51 has a 4000 mAh battery, while the Mi 9 Lite offers a slightly larger 4030 mAh battery, with both supporting fast charging but differing in wattage.
  • Build quality favors the Mi 9 Lite with Gorilla Glass 5 on both front and back, while the A51 combines Gorilla Glass 3 with a plastic back and frame.
  • Software experience on the A51 starts with Android 10 and is upgradable to Android 13, while the Mi 9 Lite launches with Android 9.0 and can be upgraded to Android 10.

Side-by-side Specification Comparison

Samsung Galaxy A51
Xiaomi Mi 9 Lite

General

Release Date

2019, December 12
2019, September 16

Announced

2019, December 12
2019, September 16

Description

Also available with 5GVersions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia); SM-A515U (USA)
N/A

Display

Size

6.5"
6.39"

Type

Super AMOLED
Super AMOLED, HDR, 430 nits (typ)

Resolution

1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass 3
Corning Gorilla Glass 5

Performance

Chipset

Exynos 9611 (10 nm)
Qualcomm SDM710 Snapdragon 710 (10 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)

GPU

Mali-G72 MP3
Adreno 616

Memory

64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)

Camera

Main Camera

48 MP
48 MP

Main Camera Details

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, (wide), 1/2.0", 0.8µm, PDAF8 MP, (ultrawide), 1/4.0", 1.12µm2 MP, (depth)

Front Camera

32 MP
32 MP

Front Camera Details

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

Video Recording

4K@30fps, 1080p@30/120fps; gyro-EIS
4K@30fps, 1080p@30/60/120fps, 720p@960fps

Selfie Video

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

OIS

Night Mode

RAW Support

Battery

Capacity

4000 mAh
4030 mAh

Battery Details

Li-Po 4000 mAh, non-removable
Li-Po 4030 mAh, non-removable

Charging Details

15W wired
18W wired

Fast Charging

Wireless Charging

Build & Design

Dimensions

158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
156.8 x 74.5 x 8.7 mm (6.17 x 2.93 x 0.34 in)

Weight

172 g
179 g

Materials

Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame

Water Resistance

N/A
N/A

Colors

Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Pearl White, Aurora Blue, Onyx Grey

Foldable

Connectivity

SIM

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

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA, LTE

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
5.0, A2DP, LE, aptX HD

NFC

USB

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

IR Blaster

Headphone Jack

Radio

Positioning

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

Software

Operating System

Android 10, upgradable to Android 13, One UI 5
Android 9.0 (Pie), upgradable to Android 10, MIUI 11

OS Version

Android 10, upgradable to Android 13, One UI 5
Android 9.0 (Pie), upgradable to Android 10, MIUI 11

Security

Fingerprint

Face Unlock

Sensors

Fingerprint (under display, optical), accelerometer, gyro, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes