Samsung Galaxy S21 Ultra vs Google Pixel 9a

Compare Samsung Galaxy S21 Ultra and Google Pixel 9a to understand which one suits your needs the best. The Samsung Galaxy S21 Ultra is priced from ₹47,990, while Google Pixel 9a is available at ₹39,999 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.

Samsung Galaxy S21 Ultra vs Google Pixel 9a Comparison Overview

Key HighlightsSamsung Galaxy S21 UltraGoogle Pixel 9a
Price₹47,990₹39,999
ProcessorSamsung Exynos 2100Google Tensor G4
Display6.8", FHD+ AMOLED, 120Hz6.3", FHD+ p-OLED, 120Hz
Rear Camera108MP (Wide-angle), 10MP (Periscope), 10MP (Telephoto), 12MP (Ultra-wide), 40MP (Front)48MP (Wide-angle), 13MP (Ultra-wide), 13MP (Front)
Battery5000mAh, 25Watt5100mAh, 23Watt
RAM/Storage12GB (LPDDR5), 256GB (UFS 3.1)8GB (LPDDR5X), 256GB (UFS 3.1)
10/10

Comparison Score

Samsung Galaxy S21 Ultra

₹47,990

VS
9.6/10

Comparison Score

Google Pixel 9a

₹39,999

Lowest price since launch

VS
VS
VS
VS
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Performance Scorecard

GamingSee More Details
Google Pixel 9a100
Samsung Galaxy S21 Ultra71
CameraSee More Details
Samsung Galaxy S21 Ultra100
Google Pixel 9a77
DisplaySee More Details
Google Pixel 9a100
Samsung Galaxy S21 Ultra99
BatterySee More Details
Google Pixel 9a100
Samsung Galaxy S21 Ultra93
BodySee More Details
Samsung Galaxy S21 Ultra100
Google Pixel 9a64

Key Specifications

ProcessorSamsung Exynos 2100Google Tensor G4
Display6.8", FHD+ AMOLED, 120Hz6.3", FHD+ p-OLED, 120Hz
Camera108MP (Wide-angle), 10MP (Periscope), 10MP (Telephoto), 12MP (Ultra-wide), 40MP (Front)48MP (Wide-angle), 13MP (Ultra-wide), 13MP (Front)
Battery5000mAh, 25Watt5100mAh, 23Watt
RAM12GB (LPDDR5)8GB (LPDDR5X)
Storage 256GB (UFS 3.1) 256GB (UFS 3.1)

General

Box ContentsPhone, Type-C cable, SIM Ejector ToolPhone, Type-C Cable, SIM Ejector Tool
ColorsPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, NavyIris, Porcelain, Obsidian
LaunchJanuary 14, 2021March 19, 2025
StoresFlipkart, AmazonFlipkart, Google, Amazon, Vijay Sales, Croma, Reliance Digital
Launch CountryIndiaIndia
Launch Price₹1,05,999₹49,999

Display

🏆 Winner: Google Pixel 9a

Display TypeAMOLEDp-OLED
Refresh Rate120Hz120Hz
Playback QualityHDR10+HDR
Display EngineDynamic 2XActua
Display Size6.8 inches6.3 inches
Area112.1cm²94.7cm²
Display Form FactorQuad Curved DisplayFlat Display
Screen to Body Ratio89.883.5
Resolution Width1440 pixels1080 pixels
Resolution Height3200 pixels2424 pixels
Aspect Ratio20:920:9
Pixel Density515ppi422.2ppi
Display Bit Rate8-bit8-bit
Color Gamut Range100%100%
Display ResolutionFHD+FHD+
High Brightness1500 nits1800 nits
Peak Brightness1500 nits2700 nits
Colour Depth16.7 Million Colours16.7 Million Colours
LTPS Support-Yes
Eye Protection-PWM Dimming
Contrast Ratio-1,000,000:1
Colour Gamut-DCI-P3

Body

🏆 Winner: Samsung Galaxy S21 Ultra

Height165.1mm154.7mm
Width75.6mm73.3mm
Thickness8.9mm8.9mm
Weight227 grams186 grams
Screen MaterialGorilla Glass VictusGorilla Glass 3
Display ProtectionGorilla Glass VictusGorilla Glass 3
Back MaterialGorilla Glass VictusPlastic
Side MaterialAluminium FrameAluminium Frame
Build QualityCorning Gorilla Glass VictusCorning Gorilla Glass 3
PortsUSB Type-C 3.1 Gen 1USB Type-C 3.2
Additional FeaturesOTGUSB Type-C (bottom)
IP RatingIP68 (Dust and Water Resistant)IP68 (Dust and Water Resistant)
SpeakerStereo SpeakersStereo Speakers

Processor

🏆 Winner: Google Pixel 9a

Chipset ManufacturerSamsungGoogle
ChipsetExynos 2100Tensor G4
Fabrication Size5nm4nm
Number of CoresOcta-coreOcta-core
Clock Speed1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A551x3.1 GHz Cortex-X4 & 3x2.6 GHz Cortex-A720 & 4x1.9 GHz Cortex-A520
GPUMali-G78 MP14Mali-G715 MP7
Co-Processor-Titan Security Chip

Performance Benchmarks

AnTuTu

875803

1114515

Geekbench 6 CPU Single-Core

1356

2005

Main Camera

🏆 Winner: Samsung Galaxy S21 Ultra

Main Camera #1 Megapixel108MP48MP
Main Camera #1 Aperturef/1.8f/1.7
Main Camera #1 Lens TypeWide-angleWide-angle
Main Camera #1 Sensor Size1/1.33"1/2.0"
Main Camera #1 Camera FeaturesOIS, PDAFDual Pixel PDAF, OIS
Main Camera #2 Megapixel10MP13MP
Main Camera #2 Aperturef/4.9f/2.2
Main Camera #2 Lens TypePeriscopeUltra-wide
Main Camera #2 Sensor Size1/3.24"1/3.1"
Main Camera #2 Camera Features10x Optical Zoom, Dual Pixel PDAF, OIS-
Main Camera #3 Megapixel10MP-
Main Camera #3 Aperturef/2.4-
Main Camera #3 Lens TypeTelephoto-
Main Camera #3 Sensor Size1/3.24"-
Main Camera #3 Camera Features3x Optical Zoom, Dual Pixel PDAF, OIS-
Main Camera #4 Megapixel12MP-
Main Camera #4 Aperturef/2.2-
Main Camera #4 Lens TypeUltra-wide-
Main Camera #4 Sensor Size1/2.55"-
Main Camera #4 Camera FeaturesDual Pixel PDAF, Super Steady Video-
FeaturesLaser AFBest Take, Digital zoom, Dual LED Flash, Long Exposure, Macro Mode, Night mode, panorama, Pixel Shift Auto Focus, Portrait mode, Slow-Mo, Ultra HDR
Camera StabilizationOISOIS
Dynamic Video Recording SupportHDR 10+ recordingHDR10 recording
Stereo Sound Recording SupportYesYes
Slow Motion Recording960 fps slomo240 fps slomo
Auto Focus TypePDAFPDAF
Optical Zoom Support10X-
Video Featuresgyro-EIS, HDR10+, Stereo Sound RecordingCinematic mode, gyro-EIS, OIS, Slow Motion, Stereo Sound Recording, Time-lapse Video
Video Recording1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps, 720p@960fps, 8K@24fps1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps
Main Camera #2 Field of View-120
Raw Photo Support-Yes
Max Zoom Supported-2-10X

Operating System

OS NameAndroidAndroid
OS Version1115
OS SkinOne UIGoogle Android
OS Updates4 year(s)7 year(s)
Security Updates5 year(s)7 year(s)
AI FeaturesCircle to SearchAI Assistant, Best Take, Call assist, Circle to Search, Gemini Live, Live Translate, Magic Editor, Magic Eraser, Photo Unblur, Portrait Blur/Unblur, Portrait Light
Inbuilt AI-Google Tensor Processing Unit
Gaming Mode-Yes
Desktop Mode-Yes
AI Frame Interpolation-Yes
Bloatware Free OS-Yes

Selfie Camera

🏆 Winner: Samsung Galaxy S21 Ultra

Front Camera #1 Megapixel40MP13MP
Front Camera #1 Aperturef/2.2f/2.2
Front Camera #1 Focal Length26mm20mm
Front Camera #1 Pixel Size0.7µm1.12µm
Front Camera #1 Lens TypeWideUltrawide
Front Camera #1 Sensor Size1/2.8"1/3.1"
Front Camera #1 Camera FeaturesAuto Focus, PDAF-
FeaturesFace unlock, HdRHdR, Night mode, panorama, Portrait Mode, Pro Mode (long exposure)
Auto Focus TypeContrast Detection Auto FocusFixed Focus
Video Features1080p@30fps, 4k@30/60fps1080@30fps, 4k@30fps
Video Recording4k@30fps, 4k@60fps4k@30fps
HDR Recording SupportSDR recordingSDR recording
Front Camera #1 Field of View-96.1

Battery

🏆 Winner: Google Pixel 9a

Battery Capacity5000mAh5100mAh
Battery TypeLithium IonLithium Polymer
Wireless Charging SupportYesYes
Reverse Wireless Charging SupportYes-
Charging Speed Wired25W23W
Charging Speed Wireless15W7.5W
Charging Speed Reverse Wireless4.5W-
Charging Standards SupportedPD3.0, QiPD3.0
Bypass Charging Support-Yes

Network

Sim Typenano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by)Dual SIM (nano-SIM & eSIM)
Network Support5G5G
Band Types5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA5G, EDGE, GSM, HSDPA, HSPA+, LTE, UMTS
2G Bands1800, 1900, 850, 9001800, 1900, 850, 900
3G Bands1, 2, 4, 5, 8UMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19
4G Bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 21, 26, 28, 32, 38, 39, 40, 41, 42, 66, 75
5G Bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6SA/NSA/Sub6 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 77, 78, 79

Connectivity

🏆 Winner: Google Pixel 9a

Wi-Fi StandardsWi-Fi 6E 802.11 a/b/g/n/ac/axWi-Fi 6E 802.11 a/b/g/n/ac/ax
Wi-Fi VersionWiFi 6WiFi 6e
Bluetooth Version5.25.3
Bluetooth CodecsA2DP, AAC, LEA2DP, LE
GPSGPSBeidou, Galileo, Glonass, GNSS, GPS, Navic, QZSS
NFC SupportSupportedSupported
RadioFM Radio-

Features

Fingerprint ScannerOptical (under display)Optical (under display)
Sensors on BoardAccelerometer, Barometer Sensor, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, Samsung DeX, Ultra Wideband (UWB) SupportAccelerometer, Ambient Light Sensor, Barometer, Gyroscope, Magnetometer Sensor, Proximity Sensor
Haptic Feedback-X-axis Linear Motor

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