Specifications
Samsung Galaxy S21
Rs. 176,499
Nothing Phone 3a Pro
Rs. 183,499
Build
OS
Android 11 OS
Android 15 OS, upgradable to Android 16
UI
One UI 3.1
Nothing OS 4.0
Dimensions
151.7 x 71.2 x 7.9 mm
163.5 x 77.5 x 8.4 mm
Weight
171 g
201 g
SIM
Dual Sim, Dual Standby, eSIM (Nano-SIM)
Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Colors
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Black, Gray
Frequency
2G Band
SIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
SIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G Band
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Band
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), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
5G Band
5G SA/NSA
SA/NSA
Processor
CPU
Octa-core (1 x 2.9 GHz Cortex-X1 + 3 x 2.80 GHz Cortex-A78 + 4 x 2.2 GHz Cortex-A55)
Octa-core (1 x 2.5 GHz Cortex-A720 + 3 x 2.4 GHz Cortex-A720 + 4 x 1.8 GHz Cortex-A520)
Chipset
Exynos 2100 (5 nm)
Qualcomm SM7635 Snapdragon 7s Gen 3 (4 nm)
GPU
Mali-G78 MP14
Adreno 810
Display
Technology
Dynamic AMOLED 2X Capacitive Touchscreen, 16M Colors, Multitouch
AMOLED Capacitive Touchscreen, 1B Colors
Size
6.2 Inches
6.77 Inches
Resolution
1080 x 2400 Pixels (~424 PPI)
1080 x 2392 Pixels (~388 PPI)
Protection
Corning Gorilla Glass Victus
Panda Glass, Mohs level 5
Extra Features
Eye Comfort Shield, Always-on display, 120Hz, HDR10+, 1300 nits (peak)
Ultra HDR image support, 120Hz, 2160Hz PWM, HDR10+, 800 nits (typ), 1300 nits (HBM), 3000 nits (peak)
Memory
Built-in
128/256GB Built-in, 8GB RAM, UFS 3.1
256GB Built-in, 12GB RAM
Camera
Main
Triple Camera: 12 MP, f/1.8, 26mm (wide), 1/1.76", Dual Pixel PDAF, OIS + 64 MP, f/2.0, 28mm (telephoto), 1/1.76", PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom + 12 MP, f/2.2, 13mm, (ultrawide), 1/2.55", Super Steady video, LED Flash
Triple Camera: 50 MP, f/1.9, 24mm (wide), 1/1.56", dual pixel PDAF, OIS + 50 MP, f/2.6, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom + 8 MP, f/2.2, 15mm, (ultrawide), 1/4.0", LED Flash
Features
Geo-tagging, touch focus, face/smile detection, Auto HDR, panorama, Video (8K@30fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS)
panorama, HDR, Video (4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS
Front
10 MP, f/2.2, 26mm (wide), 1/3.24
50 MP, f/2.2, 24mm (wide), 1/2.76", Video (4K@30fps, 1080p@30fps)
Connectivity
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
v5.0 with A2DP, LE
v5.4 with A2DP, LE
GPS
Yes + A-GPS support & Glonass, BDS, GALILEO
Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS
USB
USB Type-C 3.2, USB On-The-Go
USB Type-C 2.0, OTG
NFC
Yes
Yes
Data
GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE-A (CA), 5G capable
2G GSM, 3G HSPA, 4G LTE, 5G Capable
Features
Sensors
Accelerometer, Gyro, Compass, Proximity, Barometer, FingerPrint
Accelerometer, Gyro, Compass, Proximity, FingerPrint
Audio
32-bit/384kHz audio, MP4/DivX/XviD/WMV/H.265 player, MP3/WAV/WMA/eAAC+/FLAC player, Speaker Phone
Speaker Phone
Browser
HTML5
HTML5
Messaging
SMS(threaded view), MMS, Email, Push Mail, IM
SMS(threaded view), MMS, Email, Push Mail, IM
Games
Built-in + Downloadable
built-in + downloadable
Torch
Yes
Yes
Extra
Glass front + Gorilla Glass Victus), Plastic back, Aluminum frame, Stylus support, Tuned by AKG, Active noise cancellation with dedicated mic, ANT+, Bixby natural language commands and dictation, Samsung DeX, Samsung Wireless DeX (desktop experience support), Samsung Pay (Visa, MasterCard certified), IP68 dust/water resistant (up to 1.5m for 30 mins), Document viewer, Photo/video editor
Glass front (Panda Glass), plastic frame, glass back, IP64 dust tight and water resistant (water splashes)
3 LED light strips on the back (notifications, camera fill light, 26 addressable zones)
Battery
Capacity
(Li-Po Non removable), 4000 mAh
5000 mAh
- Fast charging 25W, USB Power Delivery 3.0, Fast Qi/PMA wireless charging 15W, Reverse wireless charging 4.5W
- Fast battery 50W wired, 50% in 19 min, 100% in 56 min
Price
in Rupees
Rs. 176,499
Rs. 183,499
in USD
$623
$648
