O2 XDA Comet vs Posh Volt Max LTE L640

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Weight

    XDA Comet: 85 g lighter

    XDA Comet:
    145 g
    Volt Max LTE L640:
    230 g
  • Width

    XDA Comet: 31.3 mm narrower

    XDA Comet:
    58 mm
    Volt Max LTE L640:
    89.3 mm
  • Screen diagonal

    XDA Comet: 3.74 in smaller diagonal

    XDA Comet:
    2.7 in
    Volt Max LTE L640:
    6.44 in
  • Depth

    Volt Max LTE L640: 10.9 mm thinner

    XDA Comet:
    19 mm
    Volt Max LTE L640:
    8.1 mm
  • Height

    XDA Comet: 70 mm shorter

    XDA Comet:
    106 mm
    Volt Max LTE L640:
    176 mm
  • Release year

    XDA Comet:
    2007
    Volt Max LTE L640:
    2016

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. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +10.9 mm versus Volt Max LTE L640
  2. 2. Volt Max LTE L640

    Height:
    176 mm +70 mm versus XDA Comet
    Width:
    89.3 mm +31.3 mm versus XDA Comet
    Depth:
    8.1 mm

Weight

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

  1. 1. XDA Comet

    145 g

  2. 2. Volt Max LTE L640

    230 g

    +85 g versus XDA Comet

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. XDA Comet

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Volt Max LTE L640

    Volt Max LTE L640: Screen geometry unavailable or conflicting.

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 XDA Comet, Volt Max LTE L640, compared at the same storage capacity.
StorageXDA CometVolt Max LTE L640
32 GB Unknown 3 GB RAM
64 GB Unknown 3 GB RAM
XDA Comet: Original memory entry

64 MB RAM · 1 GB ROM

Practical features

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

1. XDA Comet

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. Volt Max LTE L640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

Battery capacity

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

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. XDA Comet2. Volt Max LTE L640

Everyday essentials
Everyday essentials — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 176 Х 89.3 Х 8.1 mm
Weight
  • 145 g
  • 230 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.7" inch
  • 6.44" inch
Screen resolution
  • 240 x 320 px
  • 1280 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 1 GB ROM
  • 32/64 GB
  • 3 GB RAM
Memory card support
  • miniSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6753 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 22.6 cm2
  • 123.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 36.7%
  • 78.6%
PPI /points per inch/
  • 148 PPI
  • 358 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.4
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.2
  • 1/4''
  • 1.12µm
Performance
Performance — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Processor CPU
  • Intel XScale PXA 270 620 MHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T760MP2
General specs
General specs — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Release date
  • 2007
  • September
  • 2016
  • March
Colors
  • Silver
  • Grey
  • Gold
  • Rose Gold
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 600 h (2G) / Up to 400 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 17(700)
Speed
  • HSPA
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Comet, Volt Max LTE L640.
SpecificationXDA CometVolt Max LTE L640
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging