Screen size
G8X ThinQ6.4"
K51SWinner: 6.6"+2.3%
Quick verdict
G8X ThinQ leads the measured specs 11-3.
Measured wins
G8X ThinQ
11
spec wins
Overall winner
Ties
6
equal specs
K51S
3
spec wins
Screen size
Technology
G8X ThinQ
GSM / CDMA / HSPA / EVDO / LTE
K51S
GSM / HSPA / LTE
2G bands
G8X ThinQ
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
K51S
GSM 850 / 900 / 1800 / 1900
3G bands
G8X ThinQ
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA, CDMA2000 1xEV-DO
K51S
HSDPA 850 / 900 / 1900 / 2100
4G bands
G8X ThinQ
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 32, 38, 39, 40, 41, 1, 2, 3, 4, 5, 7, 12, 14, 20, 29, 30, 38, 39, 40, 41, 46, 66 - USA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
K51S
1, 3, 7, 8, 20, 28, 38
Speed
G8X ThinQ
HSPA 42.2/5.76 Mbps, LTE Cat20 1960/75 Mbps
K51S
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
G8X ThinQ
2019, September 06. Released 2019, November 01
K51S
2020, February 18. Released 2020, April 27
Status
G8X ThinQ
Discontinued
K51S
Discontinued
Dimensions
G8X ThinQ
159.3 x 75.8 x 8.4 mm (6.27 x 2.98 x 0.33 in)
K51S
165.2 x 76.7 x 8.3 mm (6.50 x 3.02 x 0.33 in)
Weight
G8X ThinQ
192 g (6.77 oz)
K51S
194.5 g (6.88 oz)
Build
G8X ThinQ
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame
K51S
-
SIM
G8X ThinQ
· Nano-SIM· Nano-SIM + Nano-SIM
K51S
· Nano-SIM· Nano-SIM + Nano-SIM
Other
G8X ThinQ
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
K51S
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
G8X ThinQ
OLED, HDR10
K51S
IPS LCD
Size
G8X ThinQ
6.4 inches, 100.5 cm2 (~83.3% screen-to-body ratio)
K51S
6.55 inches, 93.6 cm2 (~73.8% screen-to-body ratio)
Resolution
G8X ThinQ
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
K51S
720 x 1600 pixels, 20:9 ratio (~282 ppi density)
Protection
G8X ThinQ
Corning Gorilla Glass 6
K51S
Scratch-resistant glass
OS
G8X ThinQ
Android 9.0 (Pie), upgradable to Android 12
K51S
Android 9.0 (Pie)
Chipset
G8X ThinQ
Qualcomm SM8150 Snapdragon 855 (7 nm)
K51S
Mediatek MT6765 Helio P35 (12 nm)
CPU
G8X ThinQ
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
K51S
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
G8X ThinQ
Adreno 640
K51S
PowerVR GE8320
Card slot
G8X ThinQ
microSDXC (uses shared SIM slot) - dual-SIM model
K51S
microSDXC (dedicated slot)
Internal
G8X ThinQ
128GB 6GB RAM
K51S
64GB 3GB RAM
Other
G8X ThinQ
UFS 2.1
K51S
eMMC 5.1
Dual
G8X ThinQ
12 MP, f/1.8, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 13 MP, f/2.4, 9mm (ultrawide), 1.0µm
K51S
-
Features
G8X ThinQ
Dual-LED dual-tone flash, HDR, panorama
K51S
LED flash, panorama, HDR
Video
G8X ThinQ
4K@30/60fps, 1080p@30/60/240fps, 24-bit/192kHz stereo sound rec., gyro-EIS
K51S
1080p@30fps
Quad
G8X ThinQ
-
K51S
32 MP, (wide), PDAF 5 MP, f/2.2, 115˚, (ultrawide) 2 MP (macro) Auxiliary lens
Single
G8X ThinQ
32 MP, f/1.9, 26mm (wide), 1/2.8", 0.8µm
K51S
13 MP, 1/3.1", 1.12µm
Features
G8X ThinQ
HDR
K51S
-
Video
G8X ThinQ
4K@30fps, gyro-EIS
K51S
1080p@30fps
Loudspeaker
G8X ThinQ
Yes, with stereo speakers
K51S
Yes
3.5mm jack
G8X ThinQ
Yes
K51S
Yes
Other
G8X ThinQ
32-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res audio recording Tuned by Meridian Audio
K51S
-
WLAN
G8X ThinQ
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
K51S
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNAorWi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Bluetooth
G8X ThinQ
5.0, A2DP, LE, aptX HD
K51S
5.0, A2DP, LE
Positioning
G8X ThinQ
GPS, GLONASS, GALILEO, BDS
K51S
GPS
NFC
G8X ThinQ
Yes
K51S
Yes
Radio
G8X ThinQ
FM radio
K51S
No
USB
G8X ThinQ
USB Type-C 3.1, OTG
K51S
USB Type-C 2.0, OTG
Sensors
G8X ThinQ
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
K51S
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
G8X ThinQ
Li-Po 4000 mAh, non-removable
K51S
Li-Po 4000 mAh
Charging
G8X ThinQ
21W wired, PD, QC3 9W wireless
K51S
-
Colors
G8X ThinQ
New Aurora Black
K51S
Titanium, Pink, Blue, Red
Models
G8X ThinQ
LMG850EMW, LM-G850, 901LG, LM-G850N
K51S
LMK510EMW, LM-K510EMW, LM-K510
Price
G8X ThinQ
About 560 EUR
K51S
About 200 EUR