Asus ZenFone 4 Pro vs Samsung Galaxy A21 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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| Asus ZenFone 4 Pro | Samsung Galaxy A21 |
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Released
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Oct 30, 2017
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Released
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Jun 29, 2020
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5.5-inch · 1920x1080px
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6.5-inch · 1600x720px
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Dual camera
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Quad camera
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6GB · 64GB
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3GB · 32GB
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3600 mAh
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4000 mAh
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| Check prices |
Availability
| Officially announced | |
|---|---|
| Aug 17, 2017 | Apr 08, 2020 |
| Prices (MSRP) | |
| $599 | $250 |
Design
| Dimensions | |
|---|---|
| 6.18 x 2.98 x 0.30 inches 156.9 x 75.6 x 7.6 mm |
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm |
| Weight | |
| 6.17 oz / 175.0 g | 6.81 oz / 193.0 g |
| Materials | |
| Back: Glass Frame: Metal |
Back: Plastic Frame: Plastic |
| Biometrics | |
| Fingerprint (touch) | Fingerprint (touch) |
| Features | |
| Notification light, Touch sensitive control keys | |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Black, White | Black |
Display
| Size | |
|---|---|
| 5.5-inch, 70.54% screen-to-body | 6.5-inch, 79.20% screen-to-body |
| Type | |
| AMOLED | IPS LCD, 60Hz |
| Resolution | |
| 1920x1080px, 16:9 ratio, 401 PPI | 1600x720px, 20:9 ratio, 270 PPI |
| Protection | |
| Corning Gorilla Glass 5 | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| Untested | Untested |
| Bright Min | |
| 4 (Poor) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Snapdragon 835 MSM8998 (10 nm) | Mediatek Helio P35 MT6765 (12 nm) |
| Processor | |
| Octa-core 2450 MHz Kryo 280 |
Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53 |
| GPU | |
| Adreno 540 | PowerVR GE8320 |
| Memory | |
| 6GB (LPDDR4)/64GB 6GB/128GB |
3GB (LPDDR4)/32GB (eMMC 5.1) |
| Storage expansion | |
| microSDXC up to 2000 GB | microSDXC up to 512 GB |
| OS | |
| Android (8.0 Oreo, 7.1 Nougat) | Android (10) |
Battery
| Type | |
|---|---|
| 3600 mAh, Li - Ion | 4000 mAh, Li - Polymer |
| Charging | |
| Fast charging | Fast charging |
| Charge speed | |
| Wired: 15.0W | |
Camera
| Rear | |
|---|---|
| Dual camera | Quad camera |
| Main camera | |
| 12 MP (OIS, Laser and PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm |
| Second camera | |
| 16 MP (Telephoto, Autofocus) Optical zoom: 2.0x Focal Length: 50 mm Sensor size: 1/3.09" Pixel size: 1 μm |
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm |
| Third camera | |
| 2 MP (Macro) Aperture size: F2.4 |
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| Fourth camera | |
| 2 MP (Depth information) Aperture size: F2.4 |
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| Flash | |
| LED | LED |
| Video recording | |
| 4K UHD (30 fps) Time-lapse video, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing |
1080p (30 fps) |
| Front | |
| 8 MP (Wide Angle) | 13 MP Video capture: 1080p |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.0 |
| WLAN | |
| a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| Type-C, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
| Hearing aid compatible | |
| M4/T3 | |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou | GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning |
| Other | |
| NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync | NFC |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | |
| Album art cover, Background playback | |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | FM |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 30 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71 |
| 4G (TDD) Bands | |
| 38, 39, 41 | 38, 39, 40, 41 |
| 3G Bands | |
| 6, 5, 8, 4, 2, 1 | 1, 2, 4, 5, 8 |
| Data Speed | |
| LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | Nano SIM |
| HD Voice | |
| Yes | |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Nov 01, 2017 FCC ID value: MSQZ01GS | Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U |
| Measured SAR | |
| Head: 1.19 W/kg Body: 0.55 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.19 W/kg Phablet: 3.20 W/kg |
Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg |
Alternative variants
International version
| 4G (FDD) Bands | 1, 2, 3, 4, 5, 7, 8, 17, 19, 20, 28 |
|---|---|
| 4G (TDD) Bands | 38, 39, 40, 41 |
for Verizon
| 4G (FDD) Bands | 1, 2, 3, 5, 7, 8, 20, 28 |
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| 4G (TDD) Bands | 38, 40, 41 |
| 3G Bands | 5, 8, 2, 1 |
with 128 GB storage
| Memory | 128GB |
|---|---|
for Sprint
| 4G (FDD) Bands | 2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71 |
|---|---|
| 4G (TDD) Bands | 41 |
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