O2 XDA Zest vs Oppo A7x

Compare recorded specifications, size and practical differences.

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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 Zest: 66.5 g lighter

    XDA Zest:
    102.5 g
    A7x:
    169 g
  • Width

    XDA Zest: 13.5 mm narrower

    XDA Zest:
    60.5 mm
    A7x:
    74 mm
  • Screen diagonal

    XDA Zest: 3.5 in smaller diagonal

    XDA Zest:
    2.8 in
    A7x:
    6.3 in
  • Rear camera layout

    XDA Zest:
    Single
    A7x:
    Dual
  • Depth

    A7x: 8.5 mm thinner

    XDA Zest:
    16.5 mm
    A7x:
    8 mm
  • Height

    XDA Zest: 54.7 mm shorter

    XDA Zest:
    102 mm
    A7x:
    156.7 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. XDA Zest

    Height:
    102 mm
    Width:
    60.5 mm
    Depth:
    16.5 mm +8.5 mm versus A7x
  2. 2. A7x

    Height:
    156.7 mm +54.7 mm versus XDA Zest
    Width:
    74 mm +13.5 mm versus XDA Zest
    Depth:
    8 mm

Weight

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

  1. 1. XDA Zest

    102.5 g

  2. 2. A7x

    169 g

    +66.5 g versus XDA Zest

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. XDA Zest

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A7x

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

A7x has approximately 301.3% more rectangular screen area than XDA Zest.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

XDA Zest: Original memory entry

128 MB RAM · 256 MB ROM

A7x: Original memory entry

128 GB · 512GB 4GB

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 Zest

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. A7x

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. XDA Zest

    1300 mAh

  2. 2. A7x

    3500 mAh

    +2200 mAh versus XDA Zest

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 Zest2. A7x

Everyday essentials
Everyday essentials — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Dimensions (HxWxD)
  • 102 Х 60.5 Х 16.5 mm
  • 156.7 Х 74 Х 8 mm
Weight
  • 102.5 g
  • 169 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 2.8" inch
  • 6.3" inch
Screen resolution
  • 480 x 640 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 16 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-Ion
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset Unknown
  • Mediatek MT6771 Helio P60 (12 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 97.4 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 39.3%
  • 84.0%
PPI /points per inch/
  • 286 PPI
  • 409 PPI
Screen protection Unknown
  • To be confirmed
Camera and Video
Camera and Video — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/1.8
  • 1/3.1
  • 1.0µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Processor CPU
  • 624MHz Marvell TavorP
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140725
General specs
General specs — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Release date
  • 2008
  • October
  • 2018
  • September
Colors
  • Black
  • Starry Purple
  • Ice Flame Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 270 EUR
Battery life
  • Stand by time- Up to 260 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
SIM card
  • Mini-SIM
  • Dual SIM (Nano-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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • SiRF Star III chipset
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 1.1
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Zest, A7x.
SpecificationXDA ZestA7x
Dop
  • SiRF star III chipset -Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W - For China