Acer F900 vs ZTE Open

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.

  • Width

    Open: 1.5 mm narrower

    F900:
    63.5 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 0.3 in smaller diagonal

    F900:
    3.8 in
    Open:
    3.5 in
  • Depth

    Open: 3.3 mm thinner

    F900:
    15.8 mm
    Open:
    12.5 mm
  • Height

    Open: 3.5 mm shorter

    F900:
    117.5 mm
    Open:
    114 mm
  • Release year

    F900:
    2009
    Open:
    2013

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. F900

    Height:
    117.5 mm +3.5 mm versus Open
    Width:
    63.5 mm +1.5 mm versus Open
    Depth:
    15.8 mm +3.3 mm versus Open
    Weight:
    150 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm
    Weight:
    Unknown

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. F900

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²
  2. 2. Open

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

F900 has approximately 12.7% more rectangular screen area than Open.

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.

F900: Original memory entry

128 MB RAM · 256 MB ROM

Open: Original memory entry

512 MB ROM · 256 MB 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. F900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. F900

    1530 mAh

    +330 mAh versus Open

  2. 2. Open

    1200 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. F9002. Open

Everyday essentials
Everyday essentials — specifications for F900, Open.
SpecificationF900Open
Dimensions (HxWxD)
  • 117.5 Х 63.5 Х 15.8 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 150 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 3.8" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 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
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Firefox OS 1.0
Chipset Unknown
  • Qualcomm MSM7225A Snapdragon S1
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for F900, Open.
SpecificationF900Open
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 41.1 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 55.1%
  • 51.6%
PPI /points per inch/
  • 246 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for F900, Open.
SpecificationF900Open
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
Unknown
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance

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

Performance — specifications for F900, Open.
SpecificationF900Open
Processor CPU
  • 533 MHz Samsung S3C 6410
  • 1.0 GHz Cortex-A5
Graphics processor GPU Unknown
  • Adreno 200
Antutu 7 score * Unknown
  • 1456
General specs
General specs — specifications for F900, Open.
SpecificationF900Open
Release date
  • 2009
  • February
  • 2013
  • February
Colors
  • Black
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for F900, Open.
SpecificationF900Open
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR - 0.59 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for F900, Open.
SpecificationF900Open
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for F900, Open.
SpecificationF900Open
Dop
  • Sensors Accelerometer MP3/WMA/WAV/AAC+ player -MP4/H.264/WMV player -Pocket Office -Organizer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input