Google Pixel 6a (G1AZG) vs Samsung Galaxy S21
Side by side comparison between Google Pixel 6a vs Samsung Galaxy S21 phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
OLED
OLED
1080x2400
12.2
MP
MP
8mp
6GB
RAM
RAM
Octa-core
4410
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
6 Advantages 
21 Advantages | 28 Common items in both devices |
| 128GB (103GB available) / 128GB (104GB available) |
| UFS 3.1 |
| Aluminum body, glass front, plastic back |
| 16 million |
| 1080x2400 pixels |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| OIS: Optical stabilization |
| +21 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Model | Pixel 6a (G1AZG) | Galaxy S21 |
| Other model names | Pixel 6a G1AZG | Galaxy S21 5G SM-G991B/DS |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | |
| Release date | 7/21/2022, Announced: 5/11/2022 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 8.9 millimeters (0.35 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 71.8 x 152.2 millimeters (2.83 x 5.99 in) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) |
| Weight | 178 grams (6.23 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front, plastic back |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Display type | OLED | Dynamic AMOLED |
| Screen size | 6.1" inches | 6.2" inches |
| Screen-to-body ratio | ~82.2% (screen-to-body ratio) | ~85.9% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 431 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | 505nits[typ], 876nits[peak] HDR8 Always-On Display | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| System version | Android 12 | Android 11 |
| Firmware update | Android 13 | Android 14 |
| User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Chipset | 64bit: Google Tensor (5nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Octa-core, 3 processors: 2x 2.8GHz ARM Cortex-X1 (Dual-core) 2x 2.25GHz ARM Cortex-A78 (Dual-core) 4x 1.8GHz ARM Cortex-A55 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | ARM Mali-G78 MP20 | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | AnTuTu: 702380 (v9) | feature not registered |
💽 Memory and storage | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| RAM memory | 6GB LPDDR5 | 8GB LPDDR5 |
| Internal storage | 128GB (103GB available) UFS 3.1 | 128GB (104GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 3000/1024 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat24 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 48) VoLTE | LTE Cat24 () TD-LTE () VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 40, 48, 66, 71, 77, 78) | SA/NSA/Sub6 () |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat24 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 48) VoLTE | LTE Cat24 () TD-LTE () VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Back camera (main camera) | (dual camera) 12.2 megapixels 12MP ultrawide f/2.217mm114°1.25µm | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video |
| Main camera resolution | 4032x3024 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm lens | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.76" inches |
| Pixel size | 1.4µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 1080p@240fps Sony IMX363 sensor | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Front camera (secondary) | 8 megapixels | 10 megapixels |
| Front camera resolution | 3264x2448 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm lens | 26mm lens |
| Sensor size | feature not registered | 1/3.24" inches |
| Pixel size | 1.12µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Loudspeaker | Stereo sound | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4410 mAh | 4000 mAh |
| Charger, watts | 18W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Charcoal black, Chalk white, Sage green | • Colors: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX |
☢️ Radiation rate | ||
| Google Pixel 6a (G1AZG) | Galaxy S21 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.99W/kg (head), 1.31W/kg (body) | 0.456W/kg (head), 1.509W/kg (body) |