Oppo A33 vs Samsung i637 Jack

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

    i637 Jack: 43.9 g lighter

    A33:
    146 g
    i637 Jack:
    102.1 g
  • Width

    i637 Jack: 10.7 mm narrower

    A33:
    71.7 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 2.6 in smaller diagonal

    A33:
    5 in
    i637 Jack:
    2.4 in
  • Depth

    A33: 5.1 mm thinner

    A33:
    7.6 mm
    i637 Jack:
    12.7 mm
  • Height

    i637 Jack: 25.7 mm shorter

    A33:
    142.7 mm
    i637 Jack:
    117 mm
  • Release year

    A33:
    2015
    i637 Jack:
    2009

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. A33

    Height:
    142.7 mm +25.7 mm versus i637 Jack
    Width:
    71.7 mm +10.7 mm versus i637 Jack
    Depth:
    7.6 mm
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +5.1 mm versus A33

Weight

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

  1. 1. A33

    146 g

    +43.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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.

  1. 1. A33

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. i637 Jack

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

A33 has approximately 286.4% more rectangular screen area than i637 Jack.

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 A33, i637 Jack, compared at the same storage capacity.
StorageA33i637 Jack
16 GB 2 GB RAM Unknown
i637 Jack: Original memory entry

256 MB RAM · 256 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. A33

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. A33

    2400 mAh

    +920 mAh versus i637 Jack

  2. 2. i637 Jack

    1480 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. A332. i637 Jack

Everyday essentials
Everyday essentials — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Dimensions (HxWxD)
  • 142.7 Х 71.7 Х 7.6 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 146 g
  • 102.1 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.4" inch
Screen resolution
  • 540 x 960 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Po
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 2.1
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.4%
  • 25.0%
PPI /points per inch/
  • 220 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • 1/3.2''
  • 1.4µm
  • AF
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • 528 MHz
Graphics processor GPU
  • Adreno 306
Unknown
Antutu 7 score *
  • 26122
Unknown
GeekBench 4 Single Core *
  • 483
Unknown
GeekBench 4 Multi-Core *
  • 1235
Unknown
GeekBench 4 RenderScript *
  • 920
Unknown
General specs
General specs — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Release date
  • 2015
  • November
  • 2009
  • May
Colors
  • White
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 250 h (3G) Talking time- Up to 8 h (3G)
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
SIM card
  • Dual SIM (Nano-SIM/ Micro-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Radio
  • FM radio
  • No
Other features
Other features — specifications for A33, i637 Jack.
SpecificationA33i637 Jack
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T