Samsung Galaxy A51 vs Xiaomi 14 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.0
Samsung Galaxy A51
7.0
Xiaomi 14
Samsung Galaxy A51 Xiaomi 14
Released · Dec 27, 2019
Released · Oct 26, 2023
6.5-inch · 2400x1080px
6.4-inch · 2670x1200px
Quad camera
Triple camera
4GB · 128GB
8GB · 256GB
4000 mAh
4610 mAh
Check prices Check prices

Availability

Officially announced
Dec 12, 2019 Oct 26, 2023
Prices (MSRP)
$400 €847

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
6.02 x 2.81 x 0.32 inches
152.8 x 71.5 x 8.2 mm
Weight
6.07 oz / 172.0 g 6.63 oz / 188.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Glass
Frame: Aluminum
Resistance
Yes; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue Black, Silver, Pink, Green

Display

Size
6.5-inch, 87.37% screen-to-body 6.4-inch, 89.41% screen-to-body
Type
Super AMOLED, 60Hz OLED, 120Hz, HDR, 3000 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2670x1200px, 20:9 ratio, 460 PPI
Protection
Corning Gorilla Glass 3
Features
HDR support, Dolby Vision, Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.7 (Good) 2.1 (Average)

Hardware

System chip
Samsung Exynos 9611 (10 nm) Snapdragon 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core
2300 MHz
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
1x3.3GHz Cortex-X4
5x3.2GH​z Cortex-A720
2x2.3​GHz Cortex-A520
GPU
Mali-G72 MP3 Adreno 750
Memory
4GB (LPDDR4)/128GB
6GB/128GB
8GB/256GB (UFS 4.0)
12GB/256GB
16GB/512GB
16GB/1024GB
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10) Android (14)
PhoneArena Performance Test
GeekBench 6 Single
Untested 2204
GeekBench 6 Multi
Untested 6698
3D Mark High
Untested 4829
3D Mark Low
Untested 3647

Battery

Type
4000 mAh, Li - Polymer 4610 mAh, Li - Polymer
Charging
Fast charging Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 90.0W
Wireless: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
6h 7min
Browsing
16h 5min
Video
6h 57min
Gaming
10h 18min

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
50 MP (OIS, Laser and PDAF)
Aperture size: F1.6
Focal length: 23 mm
Sensor size: 1/1.31"
Pixel size: 1.12 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
50 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 14 mm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
50 MP (Telephoto, OIS)
Optical zoom: 3.2x
Aperture size: F2.0
Focal Length: 75 mm
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
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Hyperlapse, EIS
8K UHD (24 fps), 4K UHD (60 fps), 1080p (960 fps)
Front
32 MP (HDR)
Video capture: 1080p
32 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
142
Overall
150
Photo
135
Video

Connectivity & Features

Bluetooth
5.0 5.4
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning Glonass, Galileo, BeiDou, QZSS
Other
NFC, ANT+ NFC, Infrared

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
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, n8, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 66
4G (TDD) Bands
38, 39, 41 34, 38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM Dual Nano SIM + eSIM

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

Alternative variants

with 128GB storage
Memory 6GB/128GB
With 12GB RAM
Memory 12GB
for Verizon
4G (FDD) Bands 2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands 5, 8, 2, 1
With 16GB RAM and 512GB internal storage
Memory 16GB/512GB
for AT&T
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
With 16GB RAM and 1TB internal storage
Memory 16GB/1024GB
for Sprint
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Europe
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands 38, 40, 41
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless