Asus ROG Phone 3 vs Archos 55b Cobalt

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.

  • Display technology

    OLED versus LCD

    ROG Phone 3:
    OLED
    55b Cobalt:
    LCD
  • Weight

    55b Cobalt: 52 g lighter

    ROG Phone 3:
    240 g
    55b Cobalt:
    188 g
  • Screen diagonal

    55b Cobalt: 1.09 in smaller diagonal

    ROG Phone 3:
    6.59 in
    55b Cobalt:
    5.5 in
  • Rear camera layout

    ROG Phone 3:
    Triple
    55b Cobalt:
    Single
  • Release year

    ROG Phone 3:
    2020
    55b Cobalt:
    2017

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. ROG Phone 3

    Height:
    171 mm
    Width:
    78 mm
    Depth:
    9.9 mm
  2. 2. 55b Cobalt

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown

    Unavailable dimensions are omitted from the drawing.

Weight

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

  1. 1. ROG Phone 3

    240 g

    +52 g versus 55b Cobalt

  2. 2. 55b Cobalt

    188 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. ROG Phone 3

    Screen diagonal:
    6.59 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    106.6 cm²
  2. 2. 55b Cobalt

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

ROG Phone 3 has approximately 27.8% more rectangular screen area than 55b Cobalt.

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 ROG Phone 3, 55b Cobalt, compared at the same storage capacity.
StorageROG Phone 355b Cobalt
128 GB 12 GB RAM Unknown
256 GB 12 GB RAM Unknown
512 GB 12 / 16 GB RAM Alternative RAM configurations Unknown
55b 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. ROG Phone 3

NFC:
Yes
Headphone jack:
No
Memory card support:
No

2. 55b Cobalt

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. ROG Phone 3

    6000 mAh

    +3400 mAh versus 55b Cobalt

  2. 2. 55b Cobalt

    2600 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. ROG Phone 32. 55b Cobalt

Everyday essentials
Everyday essentials — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Dimensions (HxWxD)
  • 171 Х 78 Х 9.9 mm
  • 155 Х 79 Х 0 mm
Weight
  • 240 g
  • 188 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.59" inc
  • 5.5" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 12GB RAM
  • 256GB 12GB RAM
  • 512GB 12GB RAM
  • 512GB 16GB RAM
  • 16/32 GB
  • 1/2 GB RAM
Memory card support
  • No
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10
  • ROG UI
  • Android 6.0 (Marshmallow)
Chipset
  • - Qualcomm SM8250 Snapdragon 865+ (7 nm+)
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
NFC
  • Yes
  • Super AMOLED
Headphone jack
  • No
  • Yes
Display
Display — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 1B
  • 16M
Screen area
  • 106.6 cm2
  • 83.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 79.9%
  • 68.1%
PPI /points per inch/ Unknown
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Rear camera, main
  • 64 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • -64 MP
  • f/1.8
  • (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -13 MP
  • f/2.4
  • 125˚
  • 11mm (ultrawide) -5 MP
  • f/2.0
  • (macro)
  • 13 MP
  • AF
Functions
  • panorama
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 8K@30fps
  • 4K@30/60/120fps
  • 1080p@30/60/240fps
  • 720p@480fps; gyro-EIS
  • 720p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 24 MP
  • f/2.0
  • 27mm (wide)
  • 0.9μm
  • 2 MP
Performance

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

Performance — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Processor CPU
  • - Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • - Adreno 650
  • Adreno 304
Antutu 7 score * Unknown
  • 17741
Antutu 8 score *
  • 632274
Unknown
General specs
General specs — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Release date
  • 2020
  • July 22
  • 2017
  • January
Colors
  • Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
Unknown
Body build
  • Glass front (Gorilla Glass 6)
  • glass back (Gorilla Glass)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - A versionHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - B version -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 8
  • 12
  • 13
  • 17
  • 18
  • 19
  • 20
  • 25
  • 26
  • 28
  • 29
  • 30
  • 32
  • 34
  • 38
  • 39
  • 40
  • 41
  • 42
  • 48
  • 66
  • 71 - A version -5G - 1
  • 71
  • 77
  • 78
  • 79 SA/NSA - A version 41
  • 79 SA/NSA - B version
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE 800 / 1800 / 2100 / 2600
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat20 2000/150 Mbps
  • 5G 4.4 Gbps DL
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • GNSS
  • Yes
  • with A-GPS
USB
  • Two (side 3.1
  • bottom 2.0) Type-C 1.0 reversible connector; accessory connector
  • microUSB 2.0
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.98 W/kg (head) 1.76 W/kg (body)
Music and Audio
Music and Audio — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Radio Unknown
  • FM radio
Others
  • - HDR10+ -144Hz refresh rate -650 nits max. brightness
  • - 24-bit/192kHz audio
Unknown
Other features
Other features — specifications for ROG Phone 3, 55b Cobalt.
SpecificationROG Phone 355b Cobalt
Dop
  • - Sensors - Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W -Quick Charge 4.0
  • 3.0 -Reverse charging 10W - RGB light panel -Pressure sensitive zones
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity