Samsung SGH-E640 vs Xiaomi Redmi 4a 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 SGH-E640 | Xiaomi Redmi 4a |
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800 mAh
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3120 mAh
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220x176px
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5.0-inch · 1280x720px
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Single camera
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Single camera
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Released
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Nov 11, 2016
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2GB · 16GB
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Availability
| Officially announced | |
|---|---|
| Nov 04, 2016 | |
| Prices (MSRP) | |
| $104 | |
Design
| Dimensions | |
|---|---|
| 3.00 x 1.77 x 0.91 inches 85 x 45 x 23 mm |
5.51 x 2.77 x 0.33 inches 139.9 x 70.4 x 8.5 mm |
| Weight | |
| 3.17 oz / 90.0 g | 4.64 oz / 131.5 g |
| Materials | |
| Back: Metal | |
| Features | |
| Numeric keypad, Soft keys | Touch sensitive control keys, Notification light |
| Keys | |
| Right: Volume control, Lock/Unlock key | |
| Colors | |
| Gold, Gray | |
Display
| Size | |
|---|---|
| 5.0-inch, 69.99% screen-to-body | |
| Type | |
| TFT | IPS LCD |
| Resolution | |
| 220x176px | 1280x720px, 294 PPI |
| Colors | |
| 262 144 | 16 777 216 |
| Additional display | |
| 64 x80 px, OLED, Colors: 65 536 | |
Hardware
| System chip | |
|---|---|
| Snapdragon 425 8917 (28 nm) | |
| Processor | |
| Quad-core 1400 MHz ARM Cortex-A53 |
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| GPU | |
| Adreno 308 | |
| Memory | |
| 2GB (LPDDR3)/16GB | |
| Storage expansion | |
| microSDXC up to 128 GB | |
| OS | |
| Android (6.0 Marshmallow) | |
Battery
| Type | |
|---|---|
| 800 mAh, Li - Ion | 3120 mAh, Li - Ion |
Camera
| Rear | |
|---|---|
| Single camera | Single camera |
| Main camera | |
| 1.3 MP | 13 MP (Autofocus) Aperture size: F2.2 |
| Flash | |
| Yes | LED |
| Video recording | |
| Yes | 1080p (30 fps), 720p (30 fps) Video calling, Video sharing |
| Front | |
| 5 MP Video capture: 1080p |
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Connectivity & Features
| Bluetooth | |
|---|---|
| 1.2 | 4.1 |
| WLAN | |
| b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n |
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| USB | |
| Yes | microUSB, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | |
| Location | |
| GPS, A-GPS, Glonass, BeiDou | |
| Other | |
| Computer sync, SyncML | Tethering, Computer sync, OTA sync |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | |
| Speakers | |
| Earpiece, Loudspeaker | |
| Features | |
| Album art cover, Background playback | |
| Screen mirroring | |
| Wireless screen share | |
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 3, 5 | |
| 4G (TDD) Bands | |
| 40 | |
| 3G Bands | |
| 8, 1 | |
| Data Speed | |
| LTE-A, HSPA | |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM, Micro SIM | |
| VoLTE | |
| Yes | |
Phone Features
| Notifications | |
|---|---|
| Music ringtones (MP3), Polyphonic ringtones (40 voices), Vibration | Haptic feedback |
| Other features | |
| Voice dialing, Voice commands, Voice recording | |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: May 19, 2005 FCC ID value: A3LSGHE640 | |
| Measured SAR | |
| Head: 1.30 W/kg Measured in: 1900 MHz Body: 0.37 W/kg Measured in: 1900 MHz |
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