BLU Grand Mini 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.

  • Weight

    Grand Mini: 59 g lighter

    Grand Mini:
    132 g
    Redmi K20:
    191 g
  • Width

    Grand Mini: 8.3 mm narrower

    Grand Mini:
    66 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    Grand Mini: 1.89 in smaller diagonal

    Grand Mini:
    4.5 in
    Redmi K20:
    6.39 in
  • Chipset

    Grand Mini:
    Mediatek MT6570 (28 nm)
    Redmi K20:
    Qualcomm SDM730 Snapdragon 730 (8 nm)
  • Rear camera layout

    Grand Mini:
    Single
    Redmi K20:
    Triple
  • Height

    Grand Mini: 24.7 mm shorter

    Grand Mini:
    132 mm
    Redmi K20:
    156.7 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. Grand Mini

    Height:
    132 mm
    Width:
    66 mm
    Depth:
    8.6 mm
  2. 2. Redmi K20

    Height:
    156.7 mm +24.7 mm versus Grand Mini
    Width:
    74.3 mm +8.3 mm versus Grand Mini
    Depth:
    8.8 mm

Weight

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

  1. 1. Grand Mini

    132 g

  2. 2. Redmi K20

    191 g

    +59 g versus Grand Mini

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. Grand Mini

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 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 79.5% more rectangular screen area than Grand Mini.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Grand Mini: Original memory entry

8 GB · 512 MB RAM

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. Grand Mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. Grand Mini

    1500 mAh

  2. 2. Redmi K20

    4000 mAh

    +2500 mAh versus Grand Mini

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. Grand Mini2. Redmi K20

Everyday essentials
Everyday essentials — specifications for Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Dimensions (HxWxD)
  • 132 Х 66 Х 8.6 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 132 g
  • 191 g
Technology Unknown
  • AMOLED
Screen size
  • 4.5" inch
  • 6.39" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6570 (28 nm)
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 100.2 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 64.1%
  • 86.1%
PPI /points per inch/
  • 218 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • 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
  • 2 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2 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 Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 618
Antutu 7 score *
  • 15262
Unknown
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 Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Release date
  • 2017
  • August
  • 2019
  • May
Colors
  • Black
  • Rose Gold
  • Silver
  • Gold
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 450 h (3G) Talking time- Up to 20 h (2G) / Up to 15 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
SIM card
  • Dual SIM (Micro-SIM)
  • 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 / 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 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
  • 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 Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Radio Unknown
  • Yes
Others Unknown
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Grand Mini, Redmi K20.
SpecificationGrand MiniRedmi K20
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia