• 5.81" (2280x1080) P-OLED
  • 6GB
    Snapdragon 730 SoC
    128GB Storage
  • 12.2-MP, f/1.7, OIS 1 Rear Camera
    CAMERA HW score: 93
  • 3140 mAh USB Power Delivery 2.0
  • 6.5" (2400x1080) Super AMOLED
  • 6GB/8GB
    Samsung Exynos 980 SoC
    128GB Storage
  • 48-MP, f/2 4 Rear Cameras
    CAMERA HW score: 109
  • 4500 mAh

Specifications Highlights
Product NamePixel 4aGalaxy A51 5G
ProductPixel 4a (Launched 2020-08-03), Price: 314 USD at AmazonGalaxy A51 5G (Launched 2020-04-08), Price: 499.99 USD at Amazon
Display5.81" 2280x1080 P-OLED 6.5" 2400x1080 Super AMOLED
Rear Camera(s)
  • 27mm 12.2-MP f/1.7 (Primary) +OIS
  • 26mm 48-MP f/2 (Primary)
  • 13mm 12-MP f/2.2
  • 5-MP f/2.2 +Bokeh Sensor
  • 40mm 5-MP f/2
Selfie Camera(s)
  • 8-MP f/2
  • 32-MP f/2.2
Computing
  • Snapdragon 730 SoC
  • 6GB RAM
  • 128GB Storage
  • Samsung Exynos 980 SoC
  • 6GB/8GB RAM
  • 128GB Storage
  • MicroSDXC
Battery3140 mAh, USB Power Delivery 2.04500 mAh
DesignIP Rating, 162g (5.7oz), 68.58x144.78x8.2 mm (2.70 x 5.70 x 0.32 inches)IP Rating, 187g (6.6oz), 73.6x158.9x8.7 mm (2.90 x 6.26 x 0.34 inches)
Price (Market)$314$499.99
Price at Launch$349$499.99
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Display
Product NamePixel 4aGalaxy A51 5G
TypeP-OLEDSuper AMOLED
Diagonal (inches)5.81"6.5"
Display/Body Ratio84.9%87.2%
Resolution2280x10802400x1080
Sharpness (PPI)434 PPI405 PPI
Display Glass TypeGorilla Glass
Features
  • Multitouch
  • Glossy
  • HDR
  • Multitouch
  • Glossy
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NamePixel 4aGalaxy A51 5G
Megapixel12.2-MP48-MP
Aperturef/1.7f/2
Focal Length (35mm) 27mm26mm
Sensor SizeSmallMedium
Autofocus Features
  • Phase Detection
  • Dual-Pixel Phase Detection
  • No
  • Phase Detection
Hardware Features
  • OIS
  • Quad Bayer
Video Resolutions
  • 720p/960fps
  • 1080p/120fps
  • 2160p/30fps
Ultrawide Camera
Product NameGalaxy A51 5G
Megapixel12-MP
Aperturef/2.2
Focal Length (35mm) 13mm
Sensor SizeSmall
Macro Camera
Product NameGalaxy A51 5G
Megapixel5-MP
Aperturef/2
Focal Length (35mm) 40mm
Sensor SizeVery small
Hardware Features
  • Macro Lens
Battery
Product NamePixel 4aGalaxy A51 5G
Battery TypeLi-PolyLi-Ion
Battery Capacity (mAh)3140 mAh4500 mAh
Battery Features
  • Fast Charge
  • Non-Removable
  • Fast Charge
  • Non-Removable
Fast-Charge ProtocolUSB Power Delivery 2.0
Computing
Product NamePixel 4aGalaxy A51 5G
Processor BrandQualcomm
Processor NameSnapdragon 730Samsung Exynos 980
Processor # Cores88
Main Processor Frequency (GHz)2.2 GHz2.2 GHz
RAM Options6GB6GB/8GB
Internal Storage Options128GB128GB
Memory Card TypeMicroSDXC
Operating System + VersionAndroid 10Android 10
Communications
Product NamePixel 4aGalaxy A51 5G
LTE Bands1, 12, 13, 14, 17, 18, 19, 2, 20, 25, 26, 28, 29, 3, 30, 38, 39, 4, 40, 41, 46, 46, 5, 66, 7, 71, 81, 3, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • EV-DO A
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Dual-band
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.0Bluetooth 5.0
Bluetooth Features
  • A2DP
  • BT LE
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
NFC Features
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB 2.0
  • USB OTG
SAR US Head0.8 W/Kg
SAR US Body0.67 W/Kg
SAR EU Head0.369 W/Kg
SAR EU Body1.59 W/Kg
Sim Card 0
Product NamePixel 4aGalaxy A51 5G
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NamePixel 4aGalaxy A51 5G
NameSIM1
SIM TypeNano SIM
Multimedia
Product NamePixel 4aGalaxy A51 5G
Audio Features
  • Loudspeaker
  • 3.5mm Port
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • DIVX
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • VP8
  • XVID
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • VP8
  • VP9
  • WMV7
  • WMV8
  • XVID
Sensors
  • Proximity
  • Accelerometer
  • Gyroscope
  • Barometer
  • GPS
  • A-GPS
  • GLONASS
  • Galileo
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo

Google Pixel 4a vs. Samsung Galaxy A51 5G Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better