Archos 50b Cobalt vs LG Optimus LTE SU640

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Optimus LTE SU640: 25 g lighter

    50b Cobalt:
    160 g
    Optimus LTE SU640:
    135 g
  • Screen diagonal

    Optimus LTE SU640: 1 in smaller diagonal

    50b Cobalt:
    5.5 in
    Optimus LTE SU640:
    4.5 in
  • Chipset

    50b Cobalt:
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
    Optimus LTE SU640:
    Qualcomm MSM8660 Snapdragon S3
  • Release year

    50b Cobalt:
    2017
    Optimus LTE SU640:
    2011

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. 50b Cobalt

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Optimus LTE SU640

    Height:
    132.9 mm
    Width:
    67.9 mm
    Depth:
    10.4 mm

Weight

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

  1. 1. 50b Cobalt

    160 g

    +25 g versus Optimus LTE SU640

  2. 2. Optimus LTE SU640

    135 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. 50b Cobalt

    50b Cobalt: Screen geometry unavailable or conflicting.

  2. 2. Optimus LTE SU640

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

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 50b Cobalt, Optimus LTE SU640, compared at the same storage capacity.
Storage50b CobaltOptimus LTE SU640
4 GB Unknown 1 GB RAM
50b Cobalt: Original memory entry

16/32 GB · 1/2 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. 50b Cobalt

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

2. Optimus LTE SU640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 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. 50b Cobalt

    2100 mAh

    +270 mAh versus Optimus LTE SU640

  2. 2. Optimus LTE SU640

    1830 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. 50b Cobalt2. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Dimensions (HxWxD)
  • 144 Х 72 Х 0 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 160 g
  • 135 g
Technology
  • IPS LCD
  • HD-IPS LCD
Screen size
  • 5.5" inch
  • 4.5" 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.
  • 16/32 GB
  • 1/2 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Qualcomm MSM8660 Snapdragon S3
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 136 Х 66.5 Х 9.6 mm
  • 61.9%
PPI /points per inch/
  • 294 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance

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

Performance — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Processor CPU
  • Quad-core 1.1 GHz Cortex-A7
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU
  • Adreno 304
  • Adreno 220
Antutu 7 score *
  • 17582
Unknown
General specs
General specs — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Release date
  • 2017
  • January
  • 2011
  • October
Colors
  • Gray
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE 800 / 1800 / 2100 / 2600
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 4.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.35 W/kg (head) 1.62 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Radio
  • FM radio
  • No
Others Unknown
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for 50b Cobalt, Optimus LTE SU640.
Specification50b CobaltOptimus LTE SU640
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - T-DMB TV tuner -MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -True HD movie editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For South Korea