Google Pixel 8a vs Samsung Galaxy S21 Ultra
Compare Google Pixel 8a and Samsung Galaxy S21 Ultra to understand which one suits your needs the best. The Google Pixel 8a is priced from ₹49,999, while Samsung Galaxy S21 Ultra is available at ₹47,990 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.
Google Pixel 8a vs Samsung Galaxy S21 Ultra Comparison Overview
| Key Highlights | Google Pixel 8a | Samsung Galaxy S21 Ultra |
|---|---|---|
| Price | ₹49,999 | ₹47,990 |
| Processor | Google Tensor G3 | Samsung Exynos 2100 |
| Display | 6.1", FHD+ OLED, 120Hz | 6.8", FHD+ AMOLED, 120Hz |
| Rear Camera | 64MP (Wide-angle), 13MP (Ultra-wide), 13MP (Front) | 108MP (Wide-angle), 10MP (Periscope), 10MP (Telephoto), 12MP (Ultra-wide), 40MP (Front) |
| Battery | 4492mAh, 18Watt | 5000mAh, 25Watt |
| RAM/Storage | 8GB (LPDDR5), 128GB (UFS 3.1) | 12GB (LPDDR5), 256GB (UFS 3.1) |
Performance Scorecard
Key Specifications
| Processor | Google Tensor G3 | Samsung Exynos 2100 | ||
|---|---|---|---|---|
| Display | 6.1", FHD+ OLED, 120Hz | 6.8", FHD+ AMOLED, 120Hz | ||
| Camera | 64MP (Wide-angle), 13MP (Ultra-wide), 13MP (Front) | 108MP (Wide-angle), 10MP (Periscope), 10MP (Telephoto), 12MP (Ultra-wide), 40MP (Front) | ||
| Battery | 4492mAh, 18Watt | 5000mAh, 25Watt | ||
| RAM | 8GB (LPDDR5) | 12GB (LPDDR5) | ||
| Storage | 128GB (UFS 3.1) | 256GB (UFS 3.1) |
General
| Box Contents | Phone, Type-C cable, Type-C to A Adapter | Phone, Type-C cable, SIM Ejector Tool | ||
|---|---|---|---|---|
| Colors | Aloe, Bay, Porcelain, Obsidian | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | ||
| Launch | May 07, 2024 | January 14, 2021 | ||
| Stores | Flipkart, Amazon, Google, Croma, Reliance Digital | Flipkart, Amazon | ||
| Launch Country | India | India | ||
| Launch Price | ₹52,999 | ₹1,05,999 |
Display
🏆 Winner: Samsung Galaxy S21 Ultra
| Display Type | OLED | AMOLED | ||
|---|---|---|---|---|
| Refresh Rate | 120Hz | 120Hz | ||
| Playback Quality | HDR | HDR10+ | ||
| Display Size | 6.1 inches | 6.8 inches | ||
| Area | 90.3cm² | 112.1cm² | ||
| Display Form Factor | Flat Display | Quad Curved Display | ||
| Screen to Body Ratio | 81.3 | 89.8 | ||
| Resolution Width | 1080 pixels | 1440 pixels | ||
| Resolution Height | 2400 pixels | 3200 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 430ppi | 515ppi | ||
| Display Bit Rate | 10-bit | 8-bit | ||
| Color Gamut Range | 100% | 100% | ||
| Display Resolution | FHD+ | FHD+ | ||
| High Brightness | 1400 nits | 1500 nits | ||
| Peak Brightness | 2000 nits | 1500 nits | ||
| Eye Protection | Blue Light Filters | - | ||
| Contrast Ratio | 1,000,000:1 | - | ||
| Display Engine | - | Dynamic 2X | ||
| Colour Depth | - | 16 Million Colours |
Body
🏆 Winner: Samsung Galaxy S21 Ultra
| Height | 152.1mm | 165.1mm | ||
|---|---|---|---|---|
| Width | 72.7mm | 75.6mm | ||
| Thickness | 8.9mm | 8.9mm | ||
| Weight | 189 grams | 227 grams | ||
| Screen Material | Gorilla Glass 3 | Gorilla Glass Victus | ||
| Display Protection | Gorilla Glass 3 | Gorilla Glass Victus | ||
| Back Material | Glass | Gorilla Glass Victus | ||
| Side Material | Aluminium Frame | Aluminium Frame | ||
| Ports | USB Type-C 3.2 | USB Type-C 3.1 Gen 1 | ||
| Additional Features | OTG | OTG | ||
| IP Rating | IP67 (Dust and Water Resistant) | IP68 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Build Quality | - | Corning Gorilla Glass Victus | ||
| Sound Tuning | - | No Tuning |
Processor
🏆 Winner: Google Pixel 8a
| Chipset Manufacturer | Samsung | |||
|---|---|---|---|---|
| Chipset | Tensor G3 | Exynos 2100 | ||
| Fabrication Size | 4nm | 5nm | ||
| Co-Processor | Titan Security Chip | - | ||
| Number of Cores | Nona-core | Octa-core | ||
| Clock Speed | 1x3.0 GHz Cortex-X3 & 4x2.45 GHz Cortex-A715 & 4x2.15 GHz Cortex-A510 | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | ||
| GPU | Immortalis-G715s MC10 | Mali-G78 MP14 |
Performance Benchmarks
| AnTuTu | 1145372 | 875803 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 1760 | 1356 |
Main Camera
🏆 Winner: Samsung Galaxy S21 Ultra
| Main Camera #1 Megapixel | 64MP | 108MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.9 | f/1.8 | ||
| Main Camera #1 Focal Length | 26mm | 24mm | ||
| Main Camera #1 Pixel Size | 0.8µm | 0.8µm | ||
| Main Camera #1 Field of View | 80degree | - | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Sensor Size | 1/1.73" | 1/1.33" | ||
| Main Camera #1 Camera Features | Dual Pixel PDAF, OIS | OIS, PDAF | ||
| Main Camera #2 Megapixel | 13MP | 10MP | ||
| Main Camera #2 Aperture | f/2.2 | f/4.9 | ||
| Pixel Size | 1.12µm | 1.22µm | ||
| Main Camera #2 Field of View | 120 | - | ||
| Main Camera #2 Lens Type | Ultra-wide | Periscope | ||
| Features | Auto HDR, Dual LED Flash, Pixel Shift Auto Focus | Laser AF | ||
| Camera Stabilization | OIS | OIS | ||
| Raw Photo Support | Yes | - | ||
| Dynamic Video Recording Support | SDR recording | HDR 10+ recording | ||
| Slow Motion Recording | 240 fps slomo | 960 fps slomo | ||
| Auto Focus Type | PDAF | PDAF | ||
| Video Features | OIS | gyro-EIS, HDR10+, Stereo Sound Recording | ||
| Video Recording | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps, 720p@960fps, 8K@24fps | ||
| Main Camera #2 Focal Length | - | 240mm | ||
| Main Camera #2 Sensor Size | - | 1/3.24" | ||
| Main Camera #2 Camera Features | - | 10x Optical Zoom, Dual Pixel PDAF, OIS | ||
| Main Camera #3 Megapixel | - | 10MP | ||
| Main Camera #3 Aperture | - | f/2.4 | ||
| Main Camera #3 Focal Length | - | 72mm | ||
| Main Camera #3 Pixel Size | - | 1.22µm | ||
| Main Camera #3 Lens Type | - | Telephoto | ||
| Main Camera #3 Sensor Size | - | 1/3.24" | ||
| Main Camera #3 Camera Features | - | 3x Optical Zoom, Dual Pixel PDAF, OIS | ||
| Main Camera #4 Megapixel | - | 12MP | ||
| Main Camera #4 Aperture | - | f/2.2 | ||
| Main Camera #4 Focal Length | - | 13mm | ||
| Main Camera #4 Pixel Size | - | 1.4µm | ||
| Main Camera #4 Lens Type | - | Ultra-wide | ||
| Main Camera #4 Sensor Size | - | 1/2.55" | ||
| Main Camera #4 Camera Features | - | Dual Pixel PDAF, Super Steady Video | ||
| Stereo Sound Recording Support | - | Yes | ||
| Lens Enhancements | - | No enhancement | ||
| Optical Zoom Support | - | 10X |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 14 | 11 | ||
| OS Skin | Google Android | One UI | ||
| Inbuilt AI | Google Tensor Processing Unit | - | ||
| Desktop Mode | Yes | - | ||
| Bloatware Free OS | Yes | - | ||
| OS Updates | 7 year(s) | 4 year(s) | ||
| Security Updates | 7 year(s) | 5 year(s) | ||
| AI Features | Best Take, Magic Editor, Magic Eraser, Photo Unblur | Circle to Search |
Selfie Camera
🏆 Winner: Google Pixel 8a
| Front Camera #1 Megapixel | 13MP | 40MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.2 | f/2.2 | ||
| Front Camera #1 Focal Length | 20mm | 26mm | ||
| Front Camera #1 Pixel Size | 1.12µm | 0.7µm | ||
| Front Camera #1 Field of View | 96.5 | - | ||
| Front Camera #1 Lens Type | Ultrawide | Wide | ||
| Front Camera #1 Camera Features | Auto Focus, PDAF | Auto Focus, PDAF | ||
| Features | Auto-HDR | Face unlock, HdR | ||
| Video Features | 1080p@30/60fps, gyro-EIS | 1080p@30fps, 4k@30/60fps | ||
| Video Recording | 4k@30fps | 4k@30fps, 4k@60fps | ||
| HDR Recording Support | HDR recording | SDR recording | ||
| Front Camera #1 Sensor Size | - | 1/2.8" | ||
| Auto Focus Type | - | Contrast Detection Auto Focus |
Battery
🏆 Winner: Samsung Galaxy S21 Ultra
| Battery Capacity | 4492mAh | 5000mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Ion | Lithium Ion | ||
| Wireless Charging Support | Yes | Yes | ||
| Bypass Charging Support | Yes | - | ||
| Charging Speed Wired | 18W | 25W | ||
| Charging Speed Wireless | 7.5W | 15W | ||
| Reverse Wireless Charging Support | - | Yes | ||
| Charging Speed Reverse Wireless | - | 4.5W | ||
| Charging Standards Supported | - | PD3.0, Qi |
Network
| Sim Type | Dual SIM (nano-SIM, dual stand-by) | nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 5G | 5G | ||
| Band Types | 5G, EDGE, GSM, HSDPA, HSPA+, LTE, UMTS | 5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 1900, 850, 900 | ||
| 3G Bands | UMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19 | 1, 2, 4, 5, 8 | ||
| 4G Bands | LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 | ||
| 5G Bands | SA/NSA/Sub6 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 76, 77, 78 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 |
Connectivity
🏆 Winner: Google Pixel 8a
| Wi-Fi Standards | Wi-Fi 6E 802.11 a/b/g/n/ac/ax | Wi-Fi 6E 802.11 a/b/g/n/ac/ax | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 6 | WiFi 6 | ||
| Bluetooth Version | 5.3 | 5.2 | ||
| Bluetooth Codecs | A2DP, LDAC, LE | A2DP, AAC, LE | ||
| GPS | BDS, GPS, QZSS | BeiDou, GALILEO, GLONASS, GPS | ||
| NFC Support | Supported | Supported | ||
| Radio | - | FM Radio |
Features
| Fingerprint Scanner | Optical (under display) | Optical (under display) | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Compass, Gyroscope, Proximity Sensor | Accelerometer, Barometer Sensor, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, Samsung DeX, Ultra Wideband (UWB) Support | ||
| Haptic Feedback | Haptic Motor | - | ||
| Facial Recognition | - | 2D Face Recognition |





