Archos Diamond Gamma vs Samsung Galaxy A21

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.

  • Display technology

    OLED versus LCD

    Diamond Gamma:
    LCD
    Galaxy A21:
    OLED
  • Screen diagonal

    Diamond Gamma: 1 in smaller diagonal

    Diamond Gamma:
    5.5 in
    Galaxy A21:
    6.5 in
  • Rear camera layout

    Diamond Gamma:
    Single
    Galaxy A21:
    Quad
  • Release year

    Diamond Gamma:
    2017
    Galaxy A21:
    2020

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. Diamond Gamma

    Height:
    143 mm
    Width:
    70 mm
    Depth:
    8 mm
    Weight:
    150 g
  2. 2. Galaxy A21

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. Diamond Gamma

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Galaxy A21

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

Galaxy A21 has approximately 22.3% more rectangular screen area than Diamond Gamma.

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 Diamond Gamma, Galaxy A21, compared at the same storage capacity.
StorageDiamond GammaGalaxy A21
32 GB Recorded for all phones 3 GB RAM 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. Diamond Gamma

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. Galaxy A21

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Diamond Gamma

    3000 mAh

  2. 2. Galaxy A21

    4000 mAh

    +1000 mAh versus Diamond Gamma

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. Diamond Gamma2. Galaxy A21

Everyday essentials
Everyday essentials — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Dimensions (HxWxD)
  • 143 Х 70 Х 8 mm
  • Х Х mm
Weight
  • 150 g
  • 0 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7 (Nougat); nubia UI 4
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Unknown
NFC
  • Super AMOLED
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 174.5 Х 83.3 Х 8.4 mm
Unknown
PPI /points per inch/
  • 267 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Quad
Camera specs
  • 13 MP
  • PDAF & laser AF
  • f/2.2
  • 16 MP
  • (wide)
  • AF -8 MP
  • (ultrawide) -2 MP
  • (macro) -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 13 MP
  • (wide)
Performance

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

Performance — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
Unknown
Graphics processor GPU
  • Adreno 505
Unknown
Antutu 7 score *
  • 45325
Unknown
General specs
General specs — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Release date
  • 2017
  • June
  • 2020
  • April 8
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 250 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • 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 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/5.76 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
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Yes
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Radio
  • panorama
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Diamond Gamma, Galaxy A21.
SpecificationDiamond GammaGalaxy A21
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • proximity - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast charging 15W - Preliminary specifications