Asus P750 vs QMobile Noir X450

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

    P750: 20 g lighter

    P750:
    130 g
    Noir X450:
    150 g
  • Width

    P750: 16.3 mm narrower

    P750:
    58 mm
    Noir X450:
    74.3 mm
  • Screen diagonal

    P750: 2.4 in smaller diagonal

    P750:
    2.6 in
    Noir X450:
    5 in
  • Depth

    Noir X450: 8.8 mm thinner

    P750:
    17.4 mm
    Noir X450:
    8.6 mm
  • Height

    P750: 29.8 mm shorter

    P750:
    113 mm
    Noir X450:
    142.8 mm
  • Release year

    P750:
    2007
    Noir X450:
    2015

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. P750

    Height:
    113 mm
    Width:
    58 mm
    Depth:
    17.4 mm +8.8 mm versus Noir X450
  2. 2. Noir X450

    Height:
    142.8 mm +29.8 mm versus P750
    Width:
    74.3 mm +16.3 mm versus P750
    Depth:
    8.6 mm

Weight

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

  1. 1. P750

    130 g

  2. 2. Noir X450

    150 g

    +20 g versus P750

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. P750

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    20.9 cm²
  2. 2. Noir X450

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

Noir X450 has approximately 229.2% more rectangular screen area than P750.

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 P750, Noir X450, compared at the same storage capacity.
StorageP750Noir X450
8 GB Unknown 1 GB RAM
P750: 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. P750

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Noir X450

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. P750

    1300 mAh

  2. 2. Noir X450

    1950 mAh

    +650 mAh versus P750

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. P7502. Noir X450

Everyday essentials
Everyday essentials — specifications for P750, Noir X450.
SpecificationP750Noir X450
Dimensions (HxWxD)
  • 113 Х 58 Х 17.4 mm
  • 142.8 Х 74.3 Х 8.6 mm
Weight
  • 130 g
  • 150 g
Technology
  • TFT
  • TFT
Screen size
  • 2.6" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1950 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Mediatek MT6582M (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for P750, Noir X450.
SpecificationP750Noir X450
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 20.9 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 31.9%
  • 64.9%
PPI /points per inch/
  • 154 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for P750, Noir X450.
SpecificationP750Noir X450
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA videocall camera
  • 2 MP
Performance
Performance — specifications for P750, Noir X450.
SpecificationP750Noir X450
Processor CPU
  • Marvell PXA270M 520 MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for P750, Noir X450.
SpecificationP750Noir X450
Release date
  • 2007
  • October
  • 2015
  • May
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 330 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 6 h
  • Stand by time- Up to 162 h (2G) / Up to 108 h (3G) Talking time- Up to 13 h 30 min (2G) / Up to 9 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for P750, Noir X450.
SpecificationP750Noir X450
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • 1.1
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for P750, Noir X450.
SpecificationP750Noir X450
Radio
  • No
  • FM radio
Others
  • 2.5 mm audio jack
Unknown
Other features
Other features — specifications for P750, Noir X450.
SpecificationP750Noir X450
Dop
  • MP4/MP3/WMA/AAC/AAC+/3GP player -Remote Presenter -Business card scanner -Location Courier -Backup -Ur Time on Home Screen -Auto Cleaner -Pocket Office -Voice Recognition
  • Sensors Accelerometer
  • proximity
  • compass