MWg Atom V vs Oppo A91

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

    Atom V: 39 g lighter

    Atom V:
    133 g
    A91:
    172 g
  • Width

    Atom V: 14.3 mm narrower

    Atom V:
    59 mm
    A91:
    73.3 mm
  • Screen diagonal

    Atom V: 3.6 in smaller diagonal

    Atom V:
    2.8 in
    A91:
    6.4 in
  • Rear camera layout

    Atom V:
    Single
    A91:
    Quad
  • Depth

    A91: 7.1 mm thinner

    Atom V:
    15 mm
    A91:
    7.9 mm
  • Height

    Atom V: 44.2 mm shorter

    Atom V:
    116 mm
    A91:
    160.2 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. Atom V

    Height:
    116 mm
    Width:
    59 mm
    Depth:
    15 mm +7.1 mm versus A91
  2. 2. A91

    Height:
    160.2 mm +44.2 mm versus Atom V
    Width:
    73.3 mm +14.3 mm versus Atom V
    Depth:
    7.9 mm

Weight

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

  1. 1. Atom V

    133 g

  2. 2. A91

    172 g

    +39 g versus Atom V

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. Atom V

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A91

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²

A91 has approximately 307.3% more rectangular screen area than Atom V.

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 Atom V, A91, compared at the same storage capacity.
StorageAtom VA91
128 GB Unknown 8 GB RAM
Atom V: Original memory entry

64 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. Atom V

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. A91

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

    1300 mAh

  2. 2. A91

    4025 mAh

    +2725 mAh versus Atom V

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. Atom V2. A91

Everyday essentials
Everyday essentials — specifications for Atom V, A91.
SpecificationAtom VA91
Dimensions (HxWxD)
  • 116 Х 59 Х 15 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 133 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 256 MB ROM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Po
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6 Professional
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Atom V, A91.
SpecificationAtom VA91
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 24.3 cm2
  • 100.4 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 35.5%
  • 85.5%
PPI /points per inch/
  • 143 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Atom V, A91.
SpecificationAtom VA91
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for Atom V, A91.
SpecificationAtom VA91
Processor CPU
  • Intel XScale PXA 270 520 MHz
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
General specs
General specs — specifications for Atom V, A91.
SpecificationAtom VA91
Release date
  • 2008
  • March
  • 2019
  • December
Colors
  • Black
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Atom V, A91.
SpecificationAtom VA91
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Atom V, A91.
SpecificationAtom VA91
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Handwriting recognition
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Atom V, A91.
SpecificationAtom VA91
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC/MP4 player -Predictive text input
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0