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Global Score
75.274.3
Basic Information
LGLG
Android 5.0Android 10
2015-01-052020-04-27
5.87 x 2.96 x 0.37 inches6.50 x 3.02 x 0.33 inches
5.36 ounces6.77 ounces
Gray and RedBlue, Pink and Titanium
Scratch-Resistant Glass--
$ 185.00$ 190.00
Display / Screen
5.5 inches6.5 inches
1080 x 1920 pixels (Full HD)1600 x 720 pixels
P-OLEDIPS LCD
401 pixels per inch270 pixels per inch
Capacitive, Multi-touchNo touch screen
9.17.3
Performance
Qualcomm Snapdragon 810 MSM8994 chipsetMediaTek Helio P35 MT6765 chipset
64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processorArm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor
3 GB (800 MHz) RAM3 GB RAM
Adreno 430 (600 MHz) GPUPowerVR GE8320 GPU
9.999.27
Storage
32 GB internal memory64 GB internal memory
microSD, microSDHC, microSDXC (up to 128 GB) external memory slotmicroSDXC (up to 2 TB) external memory slot
8.1214.74
Camera
13.00 MP + 2.10 MP32.00 MP + 13.00 MP
3840 x 2160 (30 fps) (4K) video resolution1920 x 1080 (30 fps) (Full HD) video resolution
1920 x 1080 (60 fps) (Full HD) slow motion video--
8.588.91
Networks
Wi-FiWi-Fi
--Mobile Hotspot
LTE (4G), HSPA+ (4G), HSDPA, UMTS, EDGE and GPRSLTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
--Nano SIM, Dual SIM
6.26.7
Battery Life
3000mAh Battery4000mAh Battery
Non-Removable BatteryNon-Removable Battery
4.965.92
Other Features
Bluetooth 4.1Bluetooth 5.0
GPSGPS
NFCNFC
--Fingerprint ID Scanner
Accelerometer, Compass, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor

Comparison review

LG G Flex 2 is a little bit better than the LG K51S, having a 75.2 score against 74.3. LG G Flex 2 is an a lot older and somewhat thicker cellphone than the LG K51S, but LG managed to make it much lighter anyway. These devices have Android OS (operating system), but LG G Flex 2 has an older 5.0 version and LG K51S has Android 10.

The LG G Flex 2 counts with an incredibly better screen than LG K51S, because although it has a quite smaller display, it also counts with a higher resolution of 1920 x 1080 pixels and a greater pixels density. LG G Flex 2 counts with a little bit better processing power than LG K51S, and although they both have a Octa-Core processor and 3 GB of RAM memory, the LG G Flex 2 also has a 64-bit processor and an additional graphics processing unit.

The LG K51S has a little bit better camera than LG G Flex 2, and although they both have the same 30 fps video frame rates and the same 1920x1080 video definition, the LG K51S also has a much more mega pixels camera. The LG K51S has a way bigger storage capacity to install applications and games or saving photos and videos than LG G Flex 2, because it has a SD memory card expansion slot that holds a maximum of 2 TB and 32 GB more internal storage capacity.

LG K51S counts with longer battery life than LG G Flex 2, because it has a 4000mAh battery capacity against 3000mAh.

Despite of being the best phone in our current comparison, the LG G Flex 2 is also cheap compared to the LG K51S.




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