Phone Comparison - Google Pixel 3a vs Xiaomi Mi 9T vs Samsung Galaxy A51

Price Comparison (India) - -

general General Info

Manufacturer Google Xiaomi Samsung
Announced 2019, May June 2019 December 2019
Status Available. Released 2019, May Coming Soon - June 2019 Coming Soon - December 12, 2019
Price - - Rs. 23,999 ($0.00) [Similarly Priced]
Colors Clearly White, Just Black, Not Pink Carbon black, Red flame, Glacier blue Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 151.3 x 70.1 x 8.2 mm
(5.96 x 2.76 x 0.32 in)
156.7 x 74.3 x 8.8 mm
(6.17 x 2.93 x 0.35 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight 147 g (5.19 oz) 191 g (6.74 oz) 172 g (6.07 oz)
SIM Type Nano-SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46, 66(1700/2100), 71(600) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor(In-display)
Notification LED Yes - -

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 9.0 (Pie)
User Interface - MIUI 10 One UI
Processor Octa-Core (2 x 2GHz Kryo 360 + 6 x 1.7GHz Kryo 360), Qualcomm SDM670 Snapdragon 670 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Adreno 615 Adreno 618 Mali-G72 MP3
RAM 4 GB 6 GB 8 GB
Internal Memory 32/64 GB 64/128 GB 128 GB
External Memory No No microSD, up to 512 GB (dedicated slot)

display Display

Type P-OLED Capacitive Touchscreen, Corning Gorilla Glass 5 AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.6 inches 6.39 inches 6.5 inches
Resolution 1080 x 2220 pixels (441 ppi) 1080 x 2340 pixels (403 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 74.99% 86.23% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12.2 MP 48 MP + 8 MP + 13 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash Dual-LED Flash Dual-LED Flash LED Flash
Features 12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF
Auto-HDR, Panorama
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF
8 MP, f/2.4, 53mm (telephoto), 1/4", 1.12µm, PDAF, 2x optical zoom
13 MP, f/2.4, 12mm (ultrawide), 1/3", 1.12µm
HDR, Panorama
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
Video 2160p@30fps, 1080p@30/60/120fps, 720p@240fps, 1080p@30fps (gyro-EIS) 2160p@30fps, 1080p@30/120/240fps, 1080p@960fps 2160p@30fps, 1080p@30fps
Front Camera 8 MP, f/1.8, 28mm PDAF
No AF, Auto-HDR, 1080p@30fps [Similar]
Motorized pop-up 20 MP, f/2.2, 0.8µm, HDR, 1080p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/75 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA, LTE-A
Bluetooth 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 32/64 GB, 4 GB RAM 64/128 GB, 6 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage No No microSD, up to 512 GB (dedicated slot)
USB OTG Supported Supported 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
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery
Fast Battery Charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3000 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -