Google Pixel 3a vs Samsung Galaxy S21 Ultra Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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Google Pixel 3a | Samsung Galaxy S21 Ultra |
Released
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May 07, 2019
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Released
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Jan 29, 2021
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5.6-inch · 2220x1080px
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6.8-inch · 3200x1440px
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Single camera
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Quad camera
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4GB · 64GB
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12GB · 128GB
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3000 mAh
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5000 mAh
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Check prices |
Design
Dimensions | |
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5.96 x 2.76 x 0.32 inches 151.3 x 70.1 x 8.2 mm |
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump) |
Weight | |
5.19 oz (147.0 g) | 8.04 oz (229.0 g) |
Materials | |
Back: Plastic | Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
Fingerprint (touch) | 2D Face unlock, Ultrasonic in-screen fingerprint |
Keys | |
Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
Colors | |
Black, Purple, White | Phantom black, Silver |
Display
Size | |
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5.6-inch | 6.8-inch |
Resolution | |
2220x1080px, 18.5:9 ratio, 444 PPI | 3200x1440px, 20:9 ratio, 516 PPI |
Technology | |
OLED | Dynamic AMOLED |
Refresh rate | |
120Hz (adaptable) | |
Screen-to-body | |
73.93 % | 89.33 % |
Peak brightness | |
1500 cd/m2 (nit) | |
Features | |
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor | HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor |
Hardware
System chip | |
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Qualcomm Snapdragon 670 SDM670 (10 nm) | Qualcomm Snapdragon 888 SM8350 (5 nm) |
Processor | |
Octa-core 2000 MHz Kryo 360 |
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 |
GPU | |
Adreno 615 | Adreno 660 |
Memory | |
4GB (LPDDR4)/64GB (eMMC) | 12GB (LPDDR5)/128GB (UFS 3.1) |
Storage expansion | |
not expandable | not expandable |
OS | |
Android (12, 11, 10, 9.0 Pie) | Android (14, 13, 12, 11) |
Battery
Type | |
---|---|
3000 mAh | 5000 mAh, Li - Polymer |
Charging | |
USB Power Delivery | Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging |
Charge speed | |
Wired: 25.0W Wireless: 15.0W |
Battery Life Estimate
Untested
Browsing
9h 48min
Video
6h 30min
Gaming
Untested
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Camera
Rear | |
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Single camera | Quad camera |
Main camera | |
12.2 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm |
Second camera | |
12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
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Third camera | |
10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm |
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Fourth camera | |
10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm |
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Flash | |
Dual LED | LED |
Video recording | |
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS | 8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS |
Front | |
8 MP Video capture: 1080p |
40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps) |
Connectivity & Features
Bluetooth | |
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5.0 | 5.1 |
WLAN | |
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 2.0 | Type-C, USB 3.2 |
Hearing aid compatible | |
M3/T3 | M3/T3 |
Location | |
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
Sensors | |
Accelerometer, Gyroscope, Compass, Barometer | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer |
Other | |
NFC, VoIP, Tethering, Computer sync, OTA sync | NFC, ANT+ |
Multimedia
Headphones | |
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3.5mm jack | No 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Multiple speakers |
Features | |
aptX-HD | 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM, Stereo, RDS | |
Additional microphone(s) | |
Noise cancellation | Noise cancellation, Video recording |
Cellular
5G | |
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Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | |
4G (FDD) | |
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32(1500 L-band), 66(AWS-3) | Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 66(AWS-3), 71(600) |
4G (TDD) | |
Bands 38, 40, 41 | Bands 38, 39, 40, 41, 46, 48 |
3G | |
Bands 1, 2, 4, 5, 8 | Bands 1, 2, 4, 5, 8 |
Data Speed | |
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Pro Cat 20 (2000/150 Mbit/s) |
SIM type | |
Nano SIM | Nano SIM |
HD Voice | |
Yes |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Feb 25, 2019 FCC ID value: A4RG020G | Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U |
Measured SAR | |
Head: 1.15 W/kg Body: 1.13 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.19 W/kg |
Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg |
Buyers information
MSRP | |
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$ 399 | $ 1200 / € 1399 |
In The Box | |
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool | C to C Data Cable, Ejection Pin |
Availability
Officially announced | |
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May 07, 2019 | Jan 14, 2021 |
Alternative variants
4G (FDD) | Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) |
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with 256GB storage
Memory | 256GB |
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Colors | Phantom black |
MSRP | $ 1250 |
with 512GB storage
Memory | 16GB/512GB |
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Colors | Phantom black |
MSRP | $ 1380 |
for Europe
System chip | Samsung Exynos 2100 (5 nm) |
---|---|
Processor |
Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55 |
GPU | Mali G78 MP14 |
Weight | 8.01 oz (227.0 g) |
5G | Bands SA, NSA, Sub-6 |
FCC approval |
Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B |
Measured SAR |
Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 W/kg |
Links
Full specifications | |
---|---|
Google Pixel 3a Specs | Samsung Galaxy S21 Ultra Specs |
PhoneArena Review | |
Google Pixel 3a Review | Samsung Galaxy S21 Ultra Review |
User Reviews | |
Google Pixel 3a User Reviews | Samsung Galaxy S21 Ultra User Reviews |