Archos 55 Cobalt Plus vs Microsoft Lumia 640 LTE

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

    55 Cobalt Plus: 15 g lighter

    55 Cobalt Plus:
    130 g
    Lumia 640 LTE:
    145 g
  • Width

    Lumia 640 LTE: 4.8 mm narrower

    55 Cobalt Plus:
    77 mm
    Lumia 640 LTE:
    72.2 mm
  • Screen diagonal

    Lumia 640 LTE: 0.5 in smaller diagonal

    55 Cobalt Plus:
    5.5 in
    Lumia 640 LTE:
    5 in
  • Chipset

    55 Cobalt Plus:
    Mediatek MT6735P (28 nm)
    Lumia 640 LTE:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Depth

    55 Cobalt Plus: 0.5 mm thinner

    55 Cobalt Plus:
    8.3 mm
    Lumia 640 LTE:
    8.8 mm
  • Height

    Lumia 640 LTE: 11.2 mm shorter

    55 Cobalt Plus:
    152.5 mm
    Lumia 640 LTE:
    141.3 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. 55 Cobalt Plus

    Height:
    152.5 mm +11.2 mm versus Lumia 640 LTE
    Width:
    77 mm +4.8 mm versus Lumia 640 LTE
    Depth:
    8.3 mm
  2. 2. Lumia 640 LTE

    Height:
    141.3 mm
    Width:
    72.2 mm
    Depth:
    8.8 mm +0.5 mm versus 55 Cobalt Plus

Weight

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

  1. 1. 55 Cobalt Plus

    130 g

  2. 2. Lumia 640 LTE

    145 g

    +15 g versus 55 Cobalt Plus

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. 55 Cobalt Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Lumia 640 LTE

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

55 Cobalt Plus has approximately 21% more rectangular screen area than Lumia 640 LTE.

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 55 Cobalt Plus, Lumia 640 LTE, compared at the same storage capacity.
Storage55 Cobalt PlusLumia 640 LTE
8 GB Not recorded 1 GB RAM
16 GB 2 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 55 Cobalt Plus

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. Lumia 640 LTE

NFC:
Yes
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. 55 Cobalt Plus

    2700 mAh

    +200 mAh versus Lumia 640 LTE

  2. 2. Lumia 640 LTE

    2500 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. 55 Cobalt Plus2. Lumia 640 LTE

Everyday essentials
Everyday essentials — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Dimensions (HxWxD)
  • 152.5 Х 77 Х 8.3 mm
  • 141.3 Х 72.2 Х 8.8 mm
Weight
  • 130 g
  • 145 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2700 mAh
  • Non-removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop)
  • Microsoft Windows Phone 8.1
  • upgradable to Microsoft Windows 10
Chipset
  • Mediatek MT6735P (28 nm)
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.0%
  • 67.6%
PPI /points per inch/
  • 267 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/4''
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 2 MP
  • 1 MP
Performance

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

Performance — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 305
Antutu 7 score *
  • 21040
Unknown
General specs
General specs — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Release date
  • 2016
  • January
  • 2015
  • March
Colors
  • Blue/Gray
  • Glossy cyan
  • Orange
  • White
  • Matte Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 27 h
  • Stand by time- Up to 864 h (2G) / Up to 864 h (3G) Talking time- Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 9(1800)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700) - T-Mobile
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.25 W/kg (head) 1.28 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Radio
  • Stereo FM radio
  • RDS
  • recording
  • FM radio
Others Unknown
  • ClearBlack display
Other features
Other features — specifications for 55 Cobalt Plus, Lumia 640 LTE.
Specification55 Cobalt PlusLumia 640 LTE
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass