General Mobile GM8 vs Samsung Galaxy M21 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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| General Mobile GM8 | Samsung Galaxy M21 |
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3075 mAh
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6000 mAh
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5.7-inch
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6.4-inch
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Single camera
|
Triple camera
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|
4GB · 64GB
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4GB · 64GB
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|
Released
·
Mar 23, 2020
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|
| Check prices |
Availability
| Officially announced | |
|---|---|
| Mar 18, 2020 | |
Design
| Dimensions | |
|---|---|
| 6.07 x 2.86 x 0.31 inches 154.2 x 72.7 x 7.96 mm |
6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm |
| Weight | |
| 5.36 oz (152.0 g) | 6.63 oz (188.0 g) |
| Materials | |
| Back: Plastic Frame: Plastic |
|
| Biometrics | |
| Fingerprint (touch) | 2D Face unlock, Fingerprint (touch) |
| Keys | |
| Left: Volume control; Right: Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Black, Gold, Gray, White | Midnight blue, Raven black |
Display
| Size | |
|---|---|
| 5.7-inch, 74.86% screen-to-body | 6.4-inch, 84.11% screen-to-body |
| Type | |
| IPS LCD | Super AMOLED, 420 nits |
| Resolution | |
| 1440x720px, 282 PPI | 2340x1080px, 19.5:9 ratio, 403 PPI |
| Colors | |
| 16 777 216 | |
| Protection | |
| Corning Gorilla Glass | Corning Gorilla Glass 3 |
| Features | |
| Scratch-resistant glass, Proximity sensor | |
Hardware
| System chip | |
|---|---|
| Snapdragon 435 MSM8940 (28 nm) | Exynos 9611 (10 nm) |
| Processor | |
| Octa-core 1400 MHz ARM Cortex-A53 |
Octa-core 4x2.3GHz Cortex-A73 4x1.7GHz Cortex-A53 |
| GPU | |
| Adreno 505 | Mali-G72 MP3 |
| Memory | |
| 4GB/64GB 3GB/32GB |
4GB (LPDDR4)/64GB 6GB/128GB |
| Storage expansion | |
| microSDXC up to 128 GB | microSDXC up to 512 GB |
| OS | |
| Android (8.1 Oreo) | Android (11, 10) |
Battery
| Type | |
|---|---|
| 3075 mAh, Li - Polymer | 6000 mAh, Li - Polymer |
| Charging | |
| Fast charging | |
Camera
| Rear | |
|---|---|
| Single camera | Triple camera |
| Main camera | |
| 13 MP (PDAF) Aperture size: F2.0 | 48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
| Second camera | |
| 8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm |
|
| Third camera | |
| 5 MP (Depth information) Aperture size: F2.2 |
|
| Flash | |
| LED | LED |
| Video recording | |
| Yes Video calling, Video sharing |
4K UHD (30 fps), 1080p, 720p (240 fps) EIS |
| Front | |
| 13 MP (Flash) | 20 MP (HDR) Video capture: 1080p |
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.2 | 5.0 |
| WLAN | |
| b,g,n,ac Hotspot, Wi-Fi Direct 802.11 b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| microUSB, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Proximity sensor |
| Location | |
| GPS, A-GPS | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
| Other | |
| VoIP, Tethering, Computer sync, OTA sync | |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | |
| Album art cover, Background playback | Dolby Atmos |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | FM |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 5, 7, 8, 20 | 1, 3, 5, 7, 8, 20 |
| 4G (TDD) Bands | |
| 38, 40 | 38, 40, 41 |
| 3G Bands | |
| 1, 2, 5, 8 | |
| Data Speed | |
| LTE-A Cat 7 (300/100 Mbit/s) | LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | |
| VoLTE | |
| Yes | |
Phone Features
| Notifications | |
|---|---|
| Haptic feedback, Music ringtones, Vibration | |
| Other features | |
| Voice dialing, Voice commands, Voice recording | |
Alternative variants
| Memory | 3GB/32GB |
|---|---|
with 128GB storage
| Memory | 6GB/128GB |
|---|---|
Links
| Full specifications | |
|---|---|
| General Mobile GM8 Specs | Samsung Galaxy M21 Specs |
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