HTC One VX vs Samsung Epic 4G

Compare recorded specifications, size and practical differences.

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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 technology

    OLED versus LCD

    One VX:
    LCD
    Epic 4G:
    OLED
  • Weight

    One VX: 30.3 g lighter

    One VX:
    124.7 g
    Epic 4G:
    155 g
  • Width

    Epic 4G: 2.6 mm narrower

    One VX:
    67.6 mm
    Epic 4G:
    65 mm
  • Screen diagonal

    Epic 4G: 0.5 in smaller diagonal

    One VX:
    4.5 in
    Epic 4G:
    4 in
  • Depth

    One VX: 4.8 mm thinner

    One VX:
    9.2 mm
    Epic 4G:
    14 mm
  • Height

    Epic 4G: 9.5 mm shorter

    One VX:
    133.5 mm
    Epic 4G:
    124 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.

  1. 1. One VX

    Height:
    133.5 mm +9.5 mm versus Epic 4G
    Width:
    67.6 mm +2.6 mm versus Epic 4G
    Depth:
    9.2 mm
  2. 2. Epic 4G

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    14 mm +4.8 mm versus One VX

Weight

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

  1. 1. One VX

    124.7 g

  2. 2. Epic 4G

    155 g

    +30.3 g versus One VX

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.

  1. 1. One VX

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Epic 4G

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

One VX has approximately 22.6% more rectangular screen area than Epic 4G.

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 for One VX, Epic 4G, compared at the same storage capacity.
StorageOne VXEpic 4G
8 GB 1 GB RAM Unknown
Epic 4G: Original memory entry

512 MB · 512 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 VX

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

2. Epic 4G

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

Battery capacity

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

Recorded battery capacity

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

  1. 1. One VX

    1800 mAh

    +300 mAh versus Epic 4G

  2. 2. Epic 4G

    1500 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 VX2. Epic 4G

Everyday essentials
Everyday essentials — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Dimensions (HxWxD)
  • 133.5 Х 67.6 Х 9.2 mm
  • 124 Х 65 Х 14 mm
Weight
  • 124.7 g
  • 155 g
Technology
  • Super LCD2
  • Super AMOLED
Screen size
  • 4.5" inch
  • 4" inch
Screen resolution
  • 540 x 960 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 512 MB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich); Sense UI 4
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Hummingbird
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 61.9%
  • 56.5%
PPI /points per inch/
  • 245 PPI
  • 233 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Processor CPU
  • Dual-core 1.2 GHz Krait
  • 1.0 GHz Cortex-A8
Graphics processor GPU
  • Adreno 305
  • PowerVR SGX540
General specs
General specs — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Release date
  • 2012
  • October
  • 2010
  • June
Colors
  • White
  • Black
  • Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE band 4(1700/2100)
  • 17(700)
  • Show all network frequencies: -2G - CDMA 800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA
  • EV-DO Rev. A 3.1 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n; WiMAX
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 1.16 W/kg (head) 1.23 W/kg (body)
  • SAR - 0.68 W/kg (head) 0.99 W/kg (body)
Music and Audio
Music and Audio — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One VX, Epic 4G.
SpecificationOne VXEpic 4G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - DivX/XviD/MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV/FLAC player -Document viewer - For AT&T
  • Sensors Accelerometer
  • proximity
  • compass - Mobile TV -MP4/DivX/WMV/H.264 player -MP3/WAV/eAAC+/FLAC player -Organizer -Photo/video editor -Document editor -Voice memo/dial/commands -Predictive text input (Swype) - Also known as Samsung Galaxy S Pro For Sprint