HTC One X9 vs Plum Sync 4.0

Compare recorded specifications, size and practical differences.

HTC One X9

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Plum Sync 4.0

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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.

WeightSync 4.0: 73 g lighterSync 4.0: 97 g · One X9: 170 g
WidthSync 4.0: 12.3 mm narrowerSync 4.0: 63.6 mm · One X9: 75.9 mm
Screen diagonalSync 4.0: 1.5 in smaller diagonalSync 4.0: 4 in · One X9: 5.5 in
ChipsetMediatek MT6795 Helio X10 (28 nm) / Mediatek MT6572M (28 nm)One X9: Mediatek MT6795 Helio X10 (28 nm) · Sync 4.0: Mediatek MT6572M (28 nm)
DepthOne X9: 1.8 mm thinnerOne X9: 8 mm · Sync 4.0: 9.8 mm
HeightSync 4.0: 33.5 mm shorterSync 4.0: 120.4 mm · One X9: 153.9 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. One X9
Height
153.9 mm+33.5 mm versus Sync 4.0
Width
75.9 mm+12.3 mm versus Sync 4.0
Depth
8 mm

Weight
170 g
2. Sync 4.0
Height
120.4 mm
Width
63.6 mm
Depth
9.8 mm+1.8 mm versus One X9

Weight
97 g

Weight

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

1. One X9170 g

+73 g versus Sync 4.0
2. Sync 4.097 g

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. One X9 5.5 in · 16:9 About 83.4 cm² rectangular area
2. Sync 4.0 4 in · 16:9 About 44.1 cm² rectangular area

One X9 has approximately 89.1% more rectangular screen area than Sync 4.0.

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	One X9	Sync 4.0
32 GB	3 GB RAM	Unknown

Sync 4.0: Original memory entry

512 MB · 256 MB 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. One X9

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

2. Sync 4.0

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

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. One X93000 mAh

+1800 mAh versus Sync 4.0
2. Sync 4.01200 mAh

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. One X92. Sync 4.0

Everyday essentials

Everyday essentials
Specification	One X9	Sync 4.0
Dimensions (HxWxD)	153.9 Х 75.9 Х 8 mm	120.4 Х 63.6 Х 9.8 mm
Weight	170 g	97 g
Technology	Super LCD	TFT
Screen size	5.5" inch	4" inch
Screen resolution	1080 x 1920 px	480 x 854 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 GB RAM	512 MB 256 MB RAM
Memory card support	microSD up to 512 GB (dedicated slot)	microSD up to 32 GB
BatteryCapacity is not battery life. No endurance test is implied.	3000 mAh Non-removable Li-Ion	1200 mAh Removable Li-Ion
Operating system OS	Android 6.0 (Marshmallow)	Android 4.4 (KitKat)
Chipset	Mediatek MT6795 Helio X10 (28 nm)	Mediatek MT6572M (28 nm)
NFC	Yes (market dependent)	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	One X9	Sync 4.0
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	44.1 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	71.4%	57.6%
PPI /points per inch/	401 PPI	245 PPI
Screen protection	Corning Gorilla Glass (unspecified version)	Unknown

Camera and Video

Camera and Video
Specification	One X9	Sync 4.0
Rear camera, main	13 MP Single	5 MP Single
Camera specs	13 MP f/2.0 28mm (wide) OIS AF	5 MP AF
Functions	Dual-LED dual-tone flash panorama HDR	Face detection
Video	1080p@30fps	720p@30fps
Front camera, selfie	5 MP Single	1.3 MP Single
Specifications	5 MP f/2.8 34mm (standard)	1.3 MP

Performance

Performance
Specification	One X9	Sync 4.0
Processor CPU	Octa-core 2.2 GHz Cortex-A53	Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU	PowerVR G6200	Mali-400
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	52138	5527
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	759	Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	2487	Unknown
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	2219	Unknown

General specs

General specs
Specification	One X9	Sync 4.0
Release date	2015 December	2014 May
Colors	Black Silver Gold Pink	Black White Red Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	300 EUR	Unknown
Battery life	Talking time- Up to 15 h (3G) Music play - Up to 40 h	Stand by time- Up to 760 h Talking time- Up to 14 h

Communication and Connectivity

Communication and Connectivity
Specification	One X9	Sync 4.0
SIM card	Dual SIM (Nano-SIM dual stand-by)	Dual SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 28(700) 38(2600) 39(1900) 40(2300) 41(2500)	Unknown
Speed	HSPA LTE Cat4 150/50 Mbps	Unknown
GPRS	Yes	Class 12
Edge	Yes	Class 12
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS GLONASS BDS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.2 A2DP aptX	4.0 A2DP

Music and Audio

Music and Audio
Specification	One X9	Sync 4.0
Radio	Unknown	FM radio
Others	Dolby Audio enhancement -Active noise cancellation with dedicated mic	Unknown

Other features

Other features
Specification	One X9	Sync 4.0
Dop	Sensors Accelerometer gyro proximity compass - Fast battery charging	Sensors Accelerometer gyro proximity - Also known as Plum Sync 4.0 X400