BLU Tank Xtreme vs Xiaomi Redmi K20

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

    Tank Xtreme:
    LCD
    Redmi K20:
    OLED
  • Weight

    Tank Xtreme: 13 g lighter

    Tank Xtreme:
    178 g
    Redmi K20:
    191 g
  • Width

    Tank Xtreme: 2.5 mm narrower

    Tank Xtreme:
    71.8 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    Tank Xtreme: 0.89 in smaller diagonal

    Tank Xtreme:
    5.5 in
    Redmi K20:
    6.39 in
  • Rear camera layout

    Tank Xtreme:
    Dual
    Redmi K20:
    Triple
  • Depth

    Redmi K20: 1.4 mm thinner

    Tank Xtreme:
    10.2 mm
    Redmi K20:
    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. Tank Xtreme

    Height:
    153.6 mm
    Width:
    71.8 mm
    Depth:
    10.2 mm +1.4 mm versus Redmi K20
  2. 2. Redmi K20

    Height:
    156.7 mm +3.1 mm versus Tank Xtreme
    Width:
    74.3 mm +2.5 mm versus Tank Xtreme
    Depth:
    8.8 mm

Weight

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

  1. 1. Tank Xtreme

    178 g

  2. 2. Redmi K20

    191 g

    +13 g versus Tank Xtreme

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. Tank Xtreme

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Redmi K20

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Redmi K20 has approximately 28.4% more rectangular screen area than Tank Xtreme.

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 Tank Xtreme, Redmi K20, compared at the same storage capacity.
StorageTank XtremeRedmi K20
32 GB 2 GB RAM Unknown
Redmi K20: Original memory entry

256 GB · 8 GB RAM 64/128 GB · 6 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. Tank Xtreme

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM slot)

2. Redmi K20

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

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. Tank Xtreme

    4200 mAh

    +200 mAh versus Redmi K20

  2. 2. Redmi K20

    4000 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. Tank Xtreme2. Redmi K20

Everyday essentials
Everyday essentials — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Dimensions (HxWxD)
  • 153.6 Х 71.8 Х 10.2 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 178 g
  • 191 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.39" inch
Screen resolution
  • 480 x 960 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • microSDXC (uses shared SIM slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 100.2 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 70.8%
  • 86.1%
PPI /points per inch/
  • 195 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Rear camera, main
  • 13 MP
  • Dual
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • AF -2 MP
  • depth sensor
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Mali-T720
  • Adreno 618
GeekBench 4 Single Core * Unknown
  • 2963
GeekBench 4 Multi-Core * Unknown
  • 10109
GeekBench 5 Single Core * Unknown
  • 525
GeekBench 5 Multi-Core * Unknown
  • 1629
General specs
General specs — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Release date
  • 2020
  • January
  • 2019
  • May
Colors
  • Black
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 USD
  • 260 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
  • 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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Radio
  • FM radio
  • Yes
Others Unknown
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Tank Xtreme, Redmi K20.
SpecificationTank XtremeRedmi K20
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - IP68 dust/water resistant (up to 1.5m for 30 mins) - For USA
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia