Amoi E850 vs Samsung Galaxy A21

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.

  • Screen diagonal

    E850: 4.1 in smaller diagonal

    E850:
    2.4 in
    Galaxy A21:
    6.5 in
  • Rear camera layout

    E850:
    Single
    Galaxy A21:
    Quad
  • Release year

    E850:
    2006
    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. E850

    Height:
    102 mm
    Width:
    54 mm
    Depth:
    20 mm
    Weight:
    108 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.

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

  1. 1. E850

    E850: Screen geometry unavailable or conflicting.

  2. 2. Galaxy A21

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 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 E850, Galaxy A21, compared at the same storage capacity.
StorageE850Galaxy A21
32 GB Unknown 3 GB RAM
E850: Original memory entry

64 MB RAM · 128 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. E850

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated 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. E850

    1100 mAh

  2. 2. Galaxy A21

    4000 mAh

    +2900 mAh versus E850

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. E8502. Galaxy A21

Everyday essentials
Everyday essentials — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Dimensions (HxWxD)
  • 102 Х 54 Х 20 mm
  • Х Х mm
Weight
  • 108 g
  • 0 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.4" inch
  • 6.5" inch
Screen resolution
  • 204 x 320 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 32GB 3GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 for PocketPC Phone Edition
  • Android 10.0; One UI 2.0
NFC
  • Super AMOLED
  • Yes (market/region dependent)
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 16.8 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 130.6 g
Unknown
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Quad
Camera specs
  • 2 MP
  • 16 MP
  • (wide)
  • AF -8 MP
  • (ultrawide) -2 MP
  • (macro) -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications
  • Super AMOLED
  • 13 MP
  • (wide)
Performance
Performance — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Processor CPU
  • Intel XScale PXA 272 312 MHz
Unknown
General specs
General specs — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Release date
  • 2006
  • Q2
  • 2020
  • April 8
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 250 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • 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 900 / 2100-4G - LTE
  • 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
  • Super AMOLED
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • panorama
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • HSPA 21.1/5.76 Mbps
  • Yes
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for E850, Galaxy A21.
SpecificationE850Galaxy A21
Dop
  • Super AMOLED
  • Infrared port - Pocket Office -Media player -PC Sync -Voice memo -Organizer -World Time
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast charging 15W - Preliminary specifications