BLU R2 Plus vs ZTE V821

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

    V821: 47 g lighter

    R2 Plus:
    167 g
    V821:
    120 g
  • Width

    V821: 20.5 mm narrower

    R2 Plus:
    77 mm
    V821:
    56.5 mm
  • Chipset

    R2 Plus:
    Mediatek MT6753 (28 nm)
    V821:
    Mediatek MT6516
  • Depth

    R2 Plus: 2.6 mm thinner

    R2 Plus:
    9.2 mm
    V821:
    11.8 mm
  • Height

    V821: 39.7 mm shorter

    R2 Plus:
    155.7 mm
    V821:
    116 mm
  • Release year

    R2 Plus:
    2017
    V821:
    2011

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. R2 Plus

    Height:
    155.7 mm +39.7 mm versus V821
    Width:
    77 mm +20.5 mm versus V821
    Depth:
    9.2 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +2.6 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +47 g versus V821

  2. 2. V821

    120 g

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. R2 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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 R2 Plus, V821, compared at the same storage capacity.
StorageR2 PlusV821
32 GB 3 GB RAM Unknown
V821: Original memory entry

256 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. R2 Plus

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

2. V821

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. R2 Plus2. V821

Everyday essentials
Everyday essentials — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 167 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 0" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 7.0 (Nougat)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6516
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 69.6%
Unknown
PPI /points per inch/
  • 401 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 2 MP
  • AF
Functions
  • Dual-LED dual-tone flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
Unknown
Performance

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

Performance — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Processor CPU
  • Octa-core 1.3 GHz
  • 416 MHz
Graphics processor GPU
  • Mali-T720
Unknown
Antutu 7 score *
  • 38456
Unknown
GeekBench 4 Single Core *
  • 606
Unknown
GeekBench 4 Multi-Core *
  • 2464
Unknown
General specs
General specs — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Release date
  • 2017
  • November
  • 2011
  • June
Colors
  • Black
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 220 EUR
Battery life
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 26 h (2G) / Up to 16 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM (Mini-SIM)
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)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
Unknown
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for R2 Plus, V821.
SpecificationR2 PlusV821
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input