Posh Icon HD X551 vs Xiaomi Poco X2

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

    Icon HD X551: 93 g lighter

    Icon HD X551:
    115 g
    Poco X2:
    208 g
  • Width

    Poco X2: 2.4 mm narrower

    Icon HD X551:
    79 mm
    Poco X2:
    76.6 mm
  • Screen diagonal

    Icon HD X551: 1.17 in smaller diagonal

    Icon HD X551:
    5.5 in
    Poco X2:
    6.67 in
  • Chipset

    Icon HD X551:
    Mediatek MT6580A (28 nm)
    Poco X2:
    Qualcomm SDM730 Snapdragon 730G (8 nm)
  • Rear camera layout

    Icon HD X551:
    Single
    Poco X2:
    Quad
  • Depth

    Icon HD X551: 0.6 mm thinner

    Icon HD X551:
    8.2 mm
    Poco X2:
    8.8 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. Icon HD X551

    Height:
    153.2 mm
    Width:
    79 mm +2.4 mm versus Poco X2
    Depth:
    8.2 mm
  2. 2. Poco X2

    Height:
    165.3 mm +12.1 mm versus Icon HD X551
    Width:
    76.6 mm
    Depth:
    8.8 mm +0.6 mm versus Icon HD X551

Weight

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

  1. 1. Icon HD X551

    115 g

  2. 2. Poco X2

    208 g

    +93 g versus Icon HD X551

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. Icon HD X551

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Poco X2

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

Poco X2 has approximately 28.8% more rectangular screen area than Icon HD X551.

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 Icon HD X551, Poco X2, compared at the same storage capacity.
StorageIcon HD X551Poco X2
16 GB 1 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 6 GB RAM
256 GB Not recorded 8 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. Icon HD X551

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Poco X2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM 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. Icon HD X551

    2100 mAh

  2. 2. Poco X2

    4500 mAh

    +2400 mAh versus Icon HD X551

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. Icon HD X5512. Poco X2

Everyday essentials
Everyday essentials — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Dimensions (HxWxD)
  • 153.2 Х 79 Х 8.2 mm
  • 165.3 Х 76.6 Х 8.8 mm
Weight
  • 115 g
  • 208 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.67" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSDXC (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Po
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 10.0; MIUI 11
Chipset
  • Mediatek MT6580A (28 nm)
  • Qualcomm SDM730 Snapdragon 730G (8 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 107.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 68.9%
  • 84.8%
PPI /points per inch/
  • 267 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Rear camera, main
  • 8 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 8 MP
  • AF
  • 64 MP
  • f/1.9
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP
  • f/2.4
  • 1/5.0''
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • 2 MP
  • 20 MP
  • f/2.2
  • 27mm (wide)
  • 1/3.4''
  • 0.8µm 2 MP
  • f/2.4
  • 1/5''
  • 1.75µm
  • depth sensor
Performance

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

Performance — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Mali-400MP2
  • Adreno 618
Antutu 8 score * Unknown
  • 279215
GeekBench 5 Single Core * Unknown
  • 489
GeekBench 5 Multi-Core * Unknown
  • 1576
General specs
General specs — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Release date
  • 2015
  • November
  • 2020
  • February
Colors
  • Dark Grey
  • White
  • Gold
  • Rose Gold
  • Silver
  • Atlantis Blue
  • Matrix Purple
  • Phoenix Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 250 h (3G) Talking time- Up to 22 h (2G) / Up to 12 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
SIM card
  • Dual SIM (Micro-SIM/ Mini-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.08 W/kg (head) 0.62 W/kg (body)
Music and Audio
Music and Audio — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • HDR10 -120Hz refresh rate -500 nits typ. brightness
  • 24-bit/192kHz audio
Other features
Other features — specifications for Icon HD X551, Poco X2.
SpecificationIcon HD X551Poco X2
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (100% in 68 min) - Splash resistant - Also known as Xiaomi POCO X2 Special Edition