Samsung Galaxy S21 vs Samsung Galaxy A03 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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| Samsung Galaxy S21 | Samsung Galaxy A03 |
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Released
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Jan 29, 2021
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Released
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Jan 10, 2022
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6.2-inch · 2400x1080px
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6.5-inch · 1600x720px
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Triple camera
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Dual camera
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8GB · 128GB
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3GB · 32GB
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4000 mAh
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5000 mAh
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| Check prices | |
| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Jan 14, 2021 | Nov 26, 2021 |
| Prices (MSRP) | |
| $800 | |
Design
| Dimensions | |
|---|---|
| 5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm |
6.46 x 2.99 x 0.36 inches 164.2 x 75.9 x 9.1 mm |
| Weight | |
| 6.03 oz / 171.0 g Europe version - 169 g |
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| Materials | |
| Back: Plastic Frame: Aluminum |
Back: Plastic Frame: Plastic |
| Resistance | |
| Water, Dust; IP68 | |
| Biometrics | |
| 2D Face unlock, Ultrasonic in-screen fingerprint | Fingerprint (touch) |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Phantom pink, Violet, Gray, White | Black, Blue, Red |
Display
| Size | |
|---|---|
| 6.2-inch, 86.06% screen-to-body | 6.5-inch, 81.86% screen-to-body |
| Type | |
| Dynamic AMOLED, 120Hz, HDR, 1300 nits | IPS LCD, 60Hz |
| Resolution | |
| 2400x1080px, 20:9 ratio, 424 PPI | 1600x720px, 20:9 ratio, 270 PPI |
| Protection | |
| Corning Gorilla Glass Victus | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| Untested | Untested |
| Bright Min | |
| 1.2 (Good) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Snapdragon 888 (5 nm) Europe version - Exynos 2100 S5E9840 |
Unisoc T606 (12 nm) |
| Processor | |
| Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680 Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81GHz Cortex-A78, 4x2.2GHz Cortex-A55 |
Octa-core 1600 MHz |
| GPU | |
| Adreno 660 Europe version - Mali-G78 MP14 |
Mali-G57 MP1 |
| Memory | |
| 8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB |
3GB/32GB (eMMC 5.1) |
| Storage expansion | |
| not expandable | microSDXC |
| OS | |
| Android (13, 12, 11) | Android (13, 12, 11) |
Battery
| Type | |
|---|---|
| 4000 mAh, Li - Polymer | 5000 mAh, Li - Polymer |
| Charging | |
| Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging |
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| Charge speed | |
| Wired: 25.0W Wireless: 15.0W |
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Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
| Rear | |
|---|---|
| Triple camera | Dual camera |
| Main camera | |
| 12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm |
48 MP (Autofocus) Aperture size: F1.8 |
| Second camera | |
| 12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
2 MP (Depth information) Aperture size: F2.4 |
| Third camera | |
| 64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm |
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| Flash | |
| LED | LED |
| Video recording | |
| 8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS |
1080p (30 fps) |
| Front | |
| 10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps) |
5 MP |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.1 |
| WLAN | |
| Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax |
Yes Wi-Fi Direct, Hotspot 802.11 b, g, n |
| USB | |
| Type-C, USB 3.2 | microUSB |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Ambient light sensor, Proximity sensor |
| Hearing aid compatible | |
| M3/T3 | |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning |
| Other | |
| NFC, ANT+ | |
Multimedia
| Headphones | |
|---|---|
| No 3.5mm jack | |
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Loudspeaker |
| Features | |
| 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus | |
| Screen mirroring | |
| Wireless screen share | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 5G Bands | |
|---|---|
| n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | |
| LTE Bands | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 | 1, 3, 5, 7, 8, 20, 28 |
| TDD Bands | |
| 38, 39, 40, 41, 46, 48 | 38, 40, 41 |
| 3G Bands | |
| 1, 2, 4, 5, 8 | 1, 5, 8 |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS | LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | Nano SIM |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U | |
| Measured SAR | |
| Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg |
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