Google Pixel 4a vs Samsung Galaxy A51 5G UW

Phones Images
PHONES
Phone Names Google Pixel 4a Samsung Galaxy A51 5G UW
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 712, 4, 5, 13, 66
5G bands-260, 261 mmWave
SpeedHSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 MbpsHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2020, August 032020, August 14
StatusAvailable. Released 2020, August 20Available. Released 2020, August 14
Body
BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back, aluminum frame
Dimensions144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
SIMNano-SIM + eSIMNano-SIM (pre-installed)
Weight143 g (5.04 oz)188.8 g (6.67 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density)1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Size5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio)6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio)
TypeOLED, HDRSuper AMOLED
 Always-on display-
Platform
CPUOcta-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetQualcomm SDM730 Snapdragon 730G (8 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUAdreno 618Adreno 620
OSAndroid 10, upgradable to Android 13Android 10, One UI 2
Memory
Card slotNomicroSDXC (uses shared SIM slot)
Internal128GB 6GB RAM128GB 6GB RAM
 UFS 2.1UFS 2.1
Main Camera
FeaturesLED flash, Pixel Shift, Auto-HDR, panoramaLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Single12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS5 MP, AF
Video4K@30fps, 1080p@30/60/120fps; gyro-EIS4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single8 MP, f/2.0, 24mm (wide), 1.12µm32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSS, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, RDS, recording
USBUSB Type-C 3.1USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 -ANT+
Battery
Charging18W wired, PD2.015W wired
Stand-by-Up to 672 h
Talk time-Up to 5 h
TypeLi-Po 3140 mAhLi-Po 4500 mAh
Misc
ColorsJust Black, Barely BluePrism Bricks Blue
ModelsG025J, GA02099, G025NSM-A516V
Price$ 139.99 / C$ 159.99About 470 EUR
SAR-0.70 W/kg (head)     1.25 W/kg (body)    
SAR EU-0.59 W/kg (head)     1.32 W/kg (body)
Tests
Battery lifeEndurance rating 76h-
Display Contrast ratio: Infinite (nominal)-
Performance AnTuTu: 268714 (v8) GeekBench: 6426 (v4.4), 1626 (v5.1) GFXBench: 17fps (ES 3.1 onscreen)-
OUR TESTS
Battery (old)Endurance rating 76h-
Display803 nits max brightness (measured)-
PerformanceAnTuTu: 268714 (v8) GeekBench: 6426 (v4.4), 1626 (v5.1) GFXBench: 17fps (ES 3.1 onscreen)-