Archos Diamond Omega vs Oppo A57

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

    A57: 23 g lighter

    Diamond Omega:
    170 g
    A57:
    147 g
  • Screen diagonal

    A57: 0.53 in smaller diagonal

    Diamond Omega:
    5.73 in
    A57:
    5.2 in
  • Chipset

    Diamond Omega:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    A57:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Depth

    A57: 0.8 mm thinner

    Diamond Omega:
    8.5 mm
    A57:
    7.7 mm
  • Release year

    Diamond Omega:
    2017
    A57:
    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. Diamond Omega

    Height:
    147.5 mm
    Width:
    72.7 mm
    Depth:
    8.5 mm +0.8 mm versus A57
  2. 2. A57

    Height:
    149.1 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm

Weight

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

  1. 1. Diamond Omega

    170 g

    +23 g versus A57

  2. 2. A57

    147 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. Diamond Omega

    Screen diagonal:
    5.73 in
    Aspect ratio (height:width):
    17:9
    Approximate rectangular screen area:
    87.6 cm²
  2. 2. A57

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

Diamond Omega has approximately 17.5% more rectangular screen area than A57.

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 Diamond Omega, A57, compared at the same storage capacity.
StorageDiamond OmegaA57
32 GB Unknown 3 GB RAM
Diamond Omega: Original memory entry

up to 128 GB (uses shared SIM slot) · 8 GB 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. Diamond Omega

NFC:
Yes
Headphone jack:
See details panorama
Memory card support:
See details panorama

2. A57

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

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. Diamond Omega

    3100 mAh

    +200 mAh versus A57

  2. 2. A57

    2900 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. Diamond Omega2. A57

Everyday essentials
Everyday essentials — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Dimensions (HxWxD)
  • 147.5 Х 72.7 Х 8.5 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 170 g
  • 147 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 5.73" inch
  • 5.2" inch
Screen resolution
  • 1080 x 2040 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 128 GB (uses shared SIM slot)
  • 8 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3100 mAh
  • Non-removable Li-Po
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat); nubia UI 5
  • Android 6 (Marshmallow); ColorOS 3
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 87.6 cm2
  • 74.5 cm2
Screen format
  • 17:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 81.7%
  • 68.6%
PPI /points per inch/
  • 403 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 4
Camera and Video

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

Camera and Video — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Rear camera, main
  • 12 MP
  • Dual-LED flash
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -23 MP
  • f/2.0
  • PDAF & laser AF
  • 2x lossless zoom
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.2 5 MP
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
DxOMark Main Score *
  • 1080 x 1920 px
Unknown
DxOMark Photo *
  • 36382
Unknown
DxOMark Video *
  • 52475
Unknown
Performance

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

Performance — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 540
  • Adreno 505
Antutu 7 score *
  • 170123
  • 46782
GeekBench 4 Single Core * Unknown
  • 657
GeekBench 4 Multi-Core * Unknown
  • 2764
GeekBench 4 RenderScript * Unknown
  • 2302
General specs
General specs — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Release date
  • 2017
  • October
  • 2016
  • November
Colors
  • Dark Blue
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 200 EUR
Body build
  • Front/back glass (Gorilla Glass)
  • metal frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
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)
  • 7(2600)
  • 8(900)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 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
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 64.1%
  • A2DP
  • Super AMOLED
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Radio
  • panorama
  • FM radio
Others
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Diamond Omega, A57.
SpecificationDiamond OmegaA57
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - For Europe
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam