LG K40 vs LG Q70 vs LG K8x 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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| LG K40 | LG Q70 | LG K8x |
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Released
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March 2019
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Released
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May 07, 2020
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Released
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Jul 13, 2020
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5.7-inch · 1440x720px
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6.4-inch · 2310x1080px
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5.7-inch · 1520x720px
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Single camera
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Dual camera
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Dual camera
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2GB · 16GB
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4GB · 64GB
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2GB · 32GB
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3000 mAh
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4000 mAh
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3000 mAh
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| Check Accessories | Check Accessories | Check Accessories |
Availability
| Officially announced | ||
|---|---|---|
| Feb 20, 2019 | May 07, 2020 | |
| Prices (MSRP) | ||
| $180 | $350 | $40 |
Design
| Dimensions | ||
|---|---|---|
| 6.02 x 2.83 x 0.33 inches 153.0 x 71.9 x 8.3 mm |
6.38 x 3.02 x 0.32 inches 162.1 x 76.7 x 8.1 mm |
5.82 x 2.8 x 0.34 inches 147.8 x 71.1 x 8.6 mm |
| Weight | ||
| 5.11 oz / 145.0 g | 6.98 oz / 198.0 g | 5.15 oz / 146.0 g |
| Materials | ||
| Back: Plastic | Back: Glass Frame: Metal |
Back: Plastic Frame: Plastic |
| Resistance | ||
| Shock; MIL-STD-810 certified | Water, Dust, Shock; IP68; MIL-STD-810 certified | |
| Biometrics | ||
| Fingerprint (touch) | Fingerprint (touch) | Fingerprint (touch) |
| Keys | ||
| Left: Volume control; Right: Lock/Unlock key | Left: Volume control; Right: Lock/Unlock key | Left: Volume control; Right: Lock/Unlock key |
| Colors | ||
| Black, Gray, Blue | Mirror black | Silver |
Display
| Size | ||
|---|---|---|
| 5.7-inch, 76.28% screen-to-body | 6.4-inch, 81.56% screen-to-body | 5.7-inch, 77.13% screen-to-body |
| Type | ||
| IPS LCD | IPS LCD | IPS LCD |
| Resolution | ||
| 1440x720px, 18:9 ratio, 282 PPI | 2310x1080px, 19.25:9 ratio, 398 PPI | 1520x720px, 19:9 ratio, 295 PPI |
| Protection | ||
| Tempered Glass | ||
Hardware
| System chip | ||
|---|---|---|
| Snapdragon 450 SDM450 (14 nm) | Snapdragon 675 SM6150 (11 nm) | MediaTek Helio P22 MT6762 (12 nm) |
| Processor | ||
| Octa-core 2000 MHz ARM Cortex-A53 |
Octa-core 2000 MHz Kryo 460 |
Octa-core 2000 MHz Arm Cortex-A53 |
| GPU | ||
| Adreno 506 | Adreno 612 | IMG PowerVR GE8320 |
| Memory | ||
| 2GB (LPDDR3)/16GB 2GB/32GB |
4GB (LPDDR4)/64GB (eMMC 5.1) | 2GB/32GB |
| Storage expansion | ||
| microSDXC up to 2000 GB | microSDXC up to 2000 GB | microSDXC |
| OS | ||
| Android (8.1 Oreo) | Android (10) | Android (10) |
Battery
| Type | ||
|---|---|---|
| 3000 mAh, Li - Polymer | 4000 mAh, Li - Ion | 3000 mAh |
| Charging | ||
| Qualcomm Quick Charge 3.0, USB Power Delivery | ||
Camera
| Rear | ||
|---|---|---|
| Single camera | Dual camera | Dual camera |
| Main camera | ||
| 8 MP (PDAF) Aperture size: F2.0 Sensor size: 1/3" Pixel size: 1 μm |
32 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2.8" Pixel size: 0.8 μm |
13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm |
| Second camera | ||
| 5 MP (Depth information) Aperture size: F2.4 |
5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm |
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| Flash | ||
| LED | LED | LED |
| Video recording | ||
| 1080p (30 fps) Video calling, Video sharing |
4K UHD (30 fps), 1080p (30 fps) Time-lapse video, Picture-taking during video recording |
1080p (30 fps) |
| Front | ||
| 5 MP (Flash) | 16 MP (HDR) Video capture: 1080p (30 fps) | 5 MP Video capture: 1080p (30 fps) |
Connectivity & Features
| Bluetooth | ||
|---|---|---|
| 5.0 | 5.0 | 5.0 |
| WLAN | ||
| dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | Yes Wi-Fi Direct, Hotspot 802.11 b, g, n |
| USB | ||
| microUSB, USB 2.0 | Type-C, USB 2.0 | microUSB, USB 2.0 |
| Sensors | ||
| Accelerometer, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Ambient light sensor, Proximity sensor |
| Hearing aid compatible | ||
| M3/T3 | M4/T3 | M3/T3 |
| Location | ||
| GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning | GPS, A-GPS, Cell ID, Wi-Fi positioning |
| Other | ||
| NFC, VoIP, Tethering, Computer sync, OTA sync | NFC, UMA (Wi-Fi Calling) | |
Multimedia
| Headphones | ||
|---|---|---|
| 3.5mm jack | 3.5mm jack | 3.5mm jack |
| Speakers | ||
| Earpiece, Loudspeaker | Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | ||
| Album art cover, Background playback | 32-Bit DAC | |
| Screen mirroring | ||
| Wireless screen share | Wireless screen share | Wireless screen share |
| Radio | ||
| FM | FM | |
| Additional microphone(s) | ||
| Noise cancellation | Noise cancellation | |
Cellular
| LTE Bands | ||
|---|---|---|
| 2, 4, 5, 12, 13, 66 | 2, 4, 5, 13, 66 | 2, 4, 5, 12, 13, 25, 66 |
| TDD Bands | ||
| 41 | ||
| 3G Bands | ||
| 5, 8, 2, 1 | 5, 8, 2, 1 | 1, 2, 4, 5, 8 |
| Data Speed | ||
| LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| SIM type | ||
| Nano SIM | Nano SIM | Nano SIM |
| HD Voice | ||
| Yes | Yes | Yes |
Regulatory Approval
| FCC approval | ||
|---|---|---|
| Date approved: May 02, 2020 FCC ID value: ZNFQ620WA | Date approved: Apr 01, 2020 FCC ID value: ZNFK300UM | |
| Measured SAR | ||
| Head: 0.19 W/kg Body: 0.82 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.17 W/kg Phablet: 3.96 W/kg |
Head: 0.52 W/kg Body: 0.91 W/kg Simultaneous Transmission: 1.24 W/kg Wireless Router: 0.94 W/kg |
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