HTC J vs LG K40

Compare recorded specifications, size and practical differences.

HTC J

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LG K40

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Display technologyOLED versus LCDJ: OLED · K40: LCD
WeightJ: 13 g lighterJ: 137 g · K40: 150 g
WidthJ: 5.9 mm narrowerJ: 66 mm · K40: 71.9 mm
Screen diagonalJ: 1.4 in smaller diagonalJ: 4.3 in · K40: 5.7 in
DepthK40: 1.2 mm thinnerK40: 8.3 mm · J: 9.5 mm
HeightJ: 21.5 mm shorterJ: 131.5 mm · K40: 153 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. J
Height
131.5 mm
Width
66 mm
Depth
9.5 mm+1.2 mm versus K40

Weight
137 g
2. K40
Height
153 mm+21.5 mm versus J
Width
71.9 mm+5.9 mm versus J
Depth
8.3 mm

Weight
150 g

Weight

Bars start at zero and share a scale within this chart.

1. J137 g
2. K40150 g

+13 g versus J

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

Screen size

1. J 4.3 in · 16:9 About 51 cm² rectangular area
2. K40 5.7 in · 18:9 About 83.8 cm² rectangular area

K40 has approximately 64.5% more rectangular screen area than J.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM by storage capacity and phone
Storage	J	K40
16 GB	1 GB RAM	Unknown

K40: Original memory entry

32 GB · 2/3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. J

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 32 GB (dedicated slot)

2. K40

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 512 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

Bars start at zero and share a scale within this chart.

1. J1810 mAh
2. K403000 mAh

+1190 mAh versus J

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. J2. K40

Everyday essentials

Everyday essentials
Specification	J	K40
Dimensions (HxWxD)	131.5 Х 66 Х 9.5 mm	153 Х 71.9 Х 8.3 mm
Weight	137 g	150 g
Technology	AMOLED	IPS LCD
Screen size	4.3" inch	5.7" inch
Screen resolution	540 x 960 px	720 x 1440 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 1 GB RAM	32 GB 2/3 GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 512 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	1810 mAh Removable Li-Ion	3000 mAh Non-removable Li-Ion
Operating system OS	Android 4.0.4 (Ice Cream Sandwich); Sense UI 4	Android 8.1 (Oreo)
Chipset	Unknown	Mediatek MT6762 Helio P22 (12 nm)
Headphone jack	Yes	Yes

Display

Display
Specification	J	K40
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	51.0 cm2	83.8 cm2
Screen format	16:9 (height:width)	18:9 (height:width)
Screen to body ratio	58.7%	76.2%
PPI /points per inch/	256 PPI	282 PPI

Camera and Video

Camera and Video
Specification	J	K40
Rear camera, main	8 MP Single	16 MP Single
Camera specs	8 MP AF	16 MP f/2.0 PDAF
Functions	LED flash	LED flash
Video	720p	1080p@30fps
Front camera, selfie	1.3 MP Single	8 MP Single
Specifications	1.3 MP	8 MP f/2.0

Performance

Performance
Specification	J	K40
Processor CPU	Dual-core 1.5 GHz	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Unknown	PowerVR GE8320
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	75203

General specs

General specs
Specification	J	K40
Release date	2012 April	2019 February
Colors	Black White Red	Black Platinum Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	220 EUR	Unknown
Body build	Unknown	Front glass plastic body

Communication and Connectivity

Communication and Connectivity
Specification	J	K40
SIM card	Mini-SIM	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed	HSPA	HSPA LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n dual-band DLNA hotspot; WiMAX 802.16 e	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP	5.0 A2DP LE

Music and Audio

Music and Audio
Specification	J	K40
Radio	No	FM radio
Others	Beats Audio -Active noise cancellation with dedicated mic	DTS: X Surround Sound -Active noise cancellation with dedicated mic

Other features

Other features
Specification	J	K40
Dop	Sensors Accelerometer gyro proximity compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input	Sensors Fingerprint (rear-mounted) accelerometer proximity - MIL-STD-810G compliant - Also known as LG K12+ LG K12 Plus LG X4 (2019)

HTC J vs LG K40

HTC J

LG K40

Key differences

Physical size

Screen size

Memory variants

Practical features

1. J

2. K40

Battery capacity

Specifications

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