Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy S23 vs Google Pixel 7a

Price Comparison (India)

general General Info

Manufacturer Samsung Samsung Google
Announced December 2019 2023, February 01 2023, May 10
Status Coming Soon - December 12, 2019 Coming soon. Exp. release 2023, February 17 Available. Released 2023, May 10
Price Rs. 23,999 ($0.00) [Similarly Priced] Rs. 74,999 ($0.00) [Similarly Priced] Rs. 43,999 ($0.00) [Similarly Priced]
Colors Prism Crush White, Black, Pink, Blue Phantom Black, Cream, Green, Lavender, Graphite, Lime Arctic Blue, Carbon, Cotton
Form Factor Candybar Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
146.3 x 70.9 x 7.6 mm
(5.76 x 2.79 x 0.3 in)
152 x 72.9 x 9 mm
(5.98 x 2.87 x 0.35 in)
Weight 172 g (6.07 oz) 167 g (5.89 oz) 193.5 g (6.81.0.18 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Nano-SIM and eSIM, Dual SIM (2 Nano-SIMs and eSIM, dual stand-by) Nano-SIM and eSIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - GWKK3, G0DZQ
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 21, 25, 28, 32, 38, 39, 40, 41, 42, 66 - GHL1X, G82U8
5G Network - SA/NSA/Sub6 - International
SA/NSA/Sub6/mmWave - USA
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - G0DZQ
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 76, 77, 78, 79 SA/NSA/Sub6 - GHL1X, G82U8
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, ultrasonic)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Armor aluminum frame with tougher drop and scratch resistance (advertised)
- Fingerprint Sensor (under display, optical)
IP67 dust/water resistant (up to 1m for 30 min)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 13 Android 13
User Interface One UI One UI 5.1 -
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510), Qualcomm SM8550 Snapdragon 8 Gen 2 (4 nm) Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55), Google Tensor G2 (5 nm)
GPU Mali-G72 MP3 Adreno 740 Mali-G710 MP7
RAM 8 GB 8 GB 6 GB
Internal Memory 128 GB 256 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) No No

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen FHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
HDR10+
Corning Gorilla Glass Victus 2
FHD+ OLED Screen
HDR
90Hz Refresh Rate
Corning Gorilla Glass
Colors 16M colors 16M Colors 16M Colors
Size 6.5 inches 6.1 inches 6.1 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2340 pixels (422 ppi) 1080 x 2400 pixels (431 ppi)
Screen-to-Body Ratio 89.06% 88.27% 81.24%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio FM radio No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 50 MP + 10 MP + 12 MP 64 MP + 13 MP
Flash LED Flash LED Flash Dual-LED Flash
Features 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, Dual Pixel PDAF, OIS
10 MP, f/2.4, 70mm (telephoto), 1/3.94", 1.0µm, PDAF, 3x optical zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Auto-HDR, Panorama
64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, Dual Pixel PDAF, OIS
13 MP, f/2.2, 120˚ (ultrawide), 1.12µm
Pixel Shift, Auto-HDR, Panorama
Video 2160p@30fps, 1080p@30fps 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
12 MP, f/2.2, 25mm (wide), Dual Pixel PDAF, Dual video call
Auto-HDR, HDR10+
4K@30/60fps, 1080p@30fps [Similar]
13 MP, f/2.2, 20mm (ultrawide), 1.12µm
Auto-HDR, panorama
4K@30fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA, LTE, 5G HSPA, LTE-A (CA), 5G
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C 3.2, OTG USB Type-C 3.1
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1/4.0 128 GB, 6 GB RAM UFS 3.1
Expandable Storage microSD, up to 512 GB (dedicated slot) No No
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor present barometer sensor present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery Charging 25W, PD3.0
10W wireless (Qi/PMA)
4.5W reverse wireless
Non-removable Li-Po Battery
Fast battery Charging 18W, PD3.0
Capacity 4000 mAh 3900 mAh 4385 mAh
Stand by - - -
Talk Time - - -