i-mate JAM Black vs Oppo A12

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

    JAM Black: 5 g lighter

    JAM Black:
    160 g
    A12:
    165 g
  • Width

    JAM Black: 17.5 mm narrower

    JAM Black:
    58 mm
    A12:
    75.5 mm
  • Screen diagonal

    JAM Black: 3.42 in smaller diagonal

    JAM Black:
    2.8 in
    A12:
    6.22 in
  • Rear camera layout

    JAM Black:
    Single
    A12:
    Dual
  • Depth

    A12: 9.7 mm thinner

    JAM Black:
    18 mm
    A12:
    8.3 mm
  • Height

    JAM Black: 47.9 mm shorter

    JAM Black:
    108 mm
    A12:
    155.9 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.

  1. 1. JAM Black

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +9.7 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +47.9 mm versus JAM Black
    Width:
    75.5 mm +17.5 mm versus JAM Black
    Depth:
    8.3 mm

Weight

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

  1. 1. JAM Black

    160 g

  2. 2. A12

    165 g

    +5 g versus JAM Black

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. JAM Black

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 297.7% more rectangular screen area than JAM Black.

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 JAM Black, A12, compared at the same storage capacity.
StorageJAM BlackA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
JAM Black: Original memory entry

128 MB RAM · 64 MB 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. JAM Black

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. JAM Black

    1200 mAh

  2. 2. A12

    4230 mAh

    +3030 mAh versus JAM Black

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. JAM Black2. A12

Everyday essentials
Everyday essentials — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 160 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.22" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 64 MB ROM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • SDIO/MMC
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 96.6 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 38.8%
  • 82.0%
PPI /points per inch/
  • 143 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Processor CPU
  • Intel Bulverde 416 MHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Release date
  • 2005
  • Q3
  • 2020
  • April 20
Colors
  • Stylish black
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 270 EUR
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for JAM Black, A12.
SpecificationJAM BlackA12
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • 450 nits typ. brightness
Other features
Other features — specifications for JAM Black, A12.
SpecificationJAM BlackA12
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player -Predictive text input - Produced by HTC. Functionally identical to Qtek S110
  • T-Mobile MDA Compact II.
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass