Xiaomi Redmi 7 3gb Ram vs Xiaomi Redmi 7a

Key Specs

Battery
4000 mAh	4000 mAh
Display
6.26 inches (15.9 cm)	5.45 inches (13.84 cm)
Front Camera
8 MP	5 MP
Processor
Qualcomm Snapdragon 632	Qualcomm Snapdragon 439
RAM
3 GB	2 GB
Rear Camera
12 MP + 2 MP	12 MP

Battery

Capacity
4000 mAh	4000 mAh
Removable
No	No
Standby time
-	Up to 408 Hours(2G)
Type
Li-Polymer	Li-Polymer
USB Type-C
No	No

Design

Build Material
Back: Plastic	Back: Polycarbonate
Colours
Comet Blue, Lunar Red, Eclipse Black	Matte Blue, Matte Gold, Matte Black
Height
158.7 mm	146.3 mm
Thickness
8.4 mm	9.5 mm
Waterproof
Yes, Splash proof	Yes, Splash proof
Weight
180 grams	165 grams
Width
75.5 mm	70.4 mm

Display

Aspect Ratio
19:9	18:9
Bezel-less display
Yes with waterdrop notch	Yes
Display Type
IPS LCD	IPS LCD
Pixel Density
269 ppi	295 ppi
Resolution
720x1520 px (HD+)	720x1440 px (HD+)
Screen Protection
Corning Gorilla Glass v5	-
Screen Size
6.26 inches (15.9 cm)	5.45 inches (13.84 cm)
Screen to Body Ratio (calculated)
81.23 %	74.42 %
Screen to Body Ratio (claimed by the brand)
86.8 %	-
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
Single	-
Flash
Yes, Screen flash	-
Resolution
8 MP f/2.0, Primary Camera(1.12µm pixel size)	5 MP f/2.2, Primary Camera(1.12µm pixel size)
Video Recording
1920x1080 @ 30 fps	1920x1080 @ 30 fps

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General

Brand
Xiaomi	Xiaomi
Custom UI
MIUI	MIUI
Launch Date
April 24, 2019 (Official)	July 11, 2019 (Official)
Operating System
Android v9.0 (Pie)	Android v9.0 (Pie)

Main Camera

Autofocus
Yes, Phase Detection autofocus	Yes, Phase Detection autofocus
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Dual	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
4000 x 3000 Pixels	4000 x 3000 Pixels
Resolution
12 MP f/2.2, Primary Camera(2.9" sensor size, 1.25µm pixel size)2 MP, Depth Camera	12 MP f/2.2, Primary Camera(2.9" sensor size, 1.25µm pixel size)
Sensor
-	IMX486, Exmor-RS CMOS Sensor
Settings
Exposure compensation	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR) Burst mode
Video Recording
1920x1080 @ 30 fps 1280x720 @ 30 fps	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	Yes, Wireless FM
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.2	Yes, v4.2
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 1.031 W/kg, Body: 0.573 W/kg	Head: 0.744 W/kg, Body: 0.785 W/kg
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM, Dual VoLTE	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
Mass storage device, USB charging, microUSB	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Calling
Yes	Yes
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (1.8 GHz, Quad core, Kryo 250 + 1.8 GHz, Quad core, Kryo 250)	Octa core (2 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Chipset
Qualcomm Snapdragon 632	Qualcomm Snapdragon 439
Fabrication
14 nm	12 nm
Graphics
Adreno 506	Adreno 505
RAM type
LPDDR3	LPDDR3

Sensors

Fingerprint Sensor
Yes	No
Fingerprint Sensor Position
Rear	-
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Yes, Up to 512 GB	Yes, Up to 256 GB
Internal Memory
32 GB	16 GB
Storage Type
eMMC 5.1	eMMC 5.1
USB OTG
Yes	Yes
User Available Storage
Up to 22.1 GB	-