Acer F900 vs LG K40

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

    F900: 8.4 mm narrower

    F900:
    63.5 mm
    K40:
    71.9 mm
  • Screen diagonal

    F900: 1.9 in smaller diagonal

    F900:
    3.8 in
    K40:
    5.7 in
  • Depth

    K40: 7.5 mm thinner

    F900:
    15.8 mm
    K40:
    8.3 mm
  • Height

    F900: 35.5 mm shorter

    F900:
    117.5 mm
    K40:
    153 mm
  • Release year

    F900:
    2009
    K40:
    2019

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
    Width:
    63.5 mm
    Depth:
    15.8 mm +7.5 mm versus K40
  2. 2. K40

    Height:
    153 mm +35.5 mm versus F900
    Width:
    71.9 mm +8.4 mm versus F900
    Depth:
    8.3 mm

Weight

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

  1. 1. F900

    150 g

  2. 2. K40

    150 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. F900

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²
  2. 2. K40

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

K40 has approximately 104% more rectangular screen area than F900.

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

K40: Original memory entry

32 GB · 2/3 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. F900

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

2. K40

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. F900

    1530 mAh

  2. 2. K40

    3000 mAh

    +1470 mAh versus F900

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. K40

Everyday essentials
Everyday essentials — specifications for F900, K40.
SpecificationF900K40
Dimensions (HxWxD)
  • 117.5 Х 63.5 Х 15.8 mm
  • 153 Х 71.9 Х 8.3 mm
Weight
  • 150 g
  • 150 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.8" inch
  • 5.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1440 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
  • 32 GB
  • 2/3 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 8.1 (Oreo)
Chipset Unknown
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for F900, K40.
SpecificationF900K40
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 41.1 cm2
  • 83.8 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 55.1%
  • 76.2%
PPI /points per inch/
  • 246 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for F900, K40.
SpecificationF900K40
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/2.0
  • PDAF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 480p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for F900, K40.
SpecificationF900K40
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 75203
General specs
General specs — specifications for F900, K40.
SpecificationF900K40
Release date
  • 2009
  • February
  • 2019
  • February
Colors
  • Black
  • Black
  • Platinum
  • Blue
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
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for F900, K40.
SpecificationF900K40
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • 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 900 / 2100-4G - LTE
  • 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
Speed
  • HSPA 7.2/2 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.59 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for F900, K40.
SpecificationF900K40
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Handwriting recognition
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for F900, K40.
SpecificationF900K40
Dop
  • Sensors Accelerometer MP3/WMA/WAV/AAC+ player -MP4/H.264/WMV player -Pocket Office -Organizer -Voice memo/dial -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - MIL-STD-810G compliant - Also known as LG K12+
  • LG K12 Plus
  • LG X4 (2019)