Category Breakdown
LG G Flex
Samsung Galaxy J4
Performance
65.354.0
Camera
37.927.9
Display
82.480.4
Battery
26.624.2
Build
65.782.7
Connectivity
60.247.7
Audio
8.98.9
Overall
41.042.9
Summary
- The LG G Flex features a unique curved P-OLED display measuring 6.0 inches, while the Samsung Galaxy J4 has a 5.5-inch Super AMOLED display, both with a resolution of 720 x 1280 pixels.
- In terms of performance, the G Flex is powered by a Snapdragon 800 chipset with a higher clock speed compared to the Exynos 7570 in the J4, although both devices have 2GB of RAM.
- The camera systems are similar with both offering 13 MP rear cameras, but the J4 has a wider aperture at f/1.9, potentially improving low-light performance, while the G Flex captures video at 1080p@60fps compared to the J4's 1080p@30fps.
- The G Flex has a larger 3500 mAh battery, compared to the J4's 3000 mAh, which may provide longer usage time.
- Software-wise, the G Flex runs on an older Android version (4.2.2) compared to the J4's Android 8.0, offering a more updated experience on the latter.
- Both phones have a plastic back and frame, with no water resistance.
Side-by-side Specification Comparison
LG G Flex
Samsung Galaxy J4
General
Release Date
2013
2018
Announced
2013
2018
Description
Versions: D955 (Europe); D958 (Hong Kong & Asia); D959 (T-Mobile); D950 (AT&T); LS995 (Sprint); F340 (Korea)
Versions: J400F/DS (Global DS); J400G/DS
Display
Size
6"
5.5"
Type
Curved P-OLED
Super AMOLED
Resolution
720 x 1280 pixels, 16:9 ratio (~245 ppi density)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 2
N/A
Performance
Chipset
Qualcomm MSM8974 Snapdragon 800 (28 nm)
Exynos 7570 Quad (14 nm)
CPU
Quad-core 2.26 GHz Krait 400
Quad-core 1.4 GHz Cortex-A53
GPU
Adreno 330
Mali-T720 MP2
Memory
32GB 2GB RAM
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.4, AF
13 MP, f/1.9, 28mm (wide), AF
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
2.1 MP
5 MP, f/2.2
Front Camera Features
N/A
LED flash
Video Recording
1080p@60fps, HDR, stereo sound rec.
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3500 mAh
3000 mAh
Battery Details
Li-Po 3500 mAh, non-removable
Li-Ion 3000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
160.5 x 81.6 x 8.7 mm (6.32 x 3.21 x 0.34 in)
151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)
Weight
177 g
175 g
Materials
Glass front (Gorilla Glass 2), plastic back, plastic frame
Glass front, plastic back, plastic frame
Colors
Titan silver
Black, Gold, Orchid Gray
Foldable
✗
✗
SAR
N/A
0.36 W/kg (head) 1.49 W/kg (body)
Connectivity
SIM
Micro-SIM
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.0, A2DP, LE, aptX
4.2, A2DP, LE
NFC
✓
✗
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2.2 (Jelly Bean), upgradable to 4.4.2 (KitKat)
Android 8.0 (Oreo)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, proximity

