BLU R2 Plus vs Lenovo A390

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

    A390: 36 g lighter

    R2 Plus:
    167 g
    A390:
    131 g
  • Width

    A390: 13 mm narrower

    R2 Plus:
    77 mm
    A390:
    64 mm
  • Screen diagonal

    A390: 1.5 in smaller diagonal

    R2 Plus:
    5.5 in
    A390:
    4 in
  • Chipset

    R2 Plus:
    Mediatek MT6753 (28 nm)
    A390:
    Mediatek MT6577 (40 nm)
  • Depth

    R2 Plus: 0.9 mm thinner

    R2 Plus:
    9.2 mm
    A390:
    10.1 mm
  • Height

    A390: 30.1 mm shorter

    R2 Plus:
    155.7 mm
    A390:
    125.6 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. R2 Plus

    Height:
    155.7 mm +30.1 mm versus A390
    Width:
    77 mm +13 mm versus A390
    Depth:
    9.2 mm
  2. 2. A390

    Height:
    125.6 mm
    Width:
    64 mm
    Depth:
    10.1 mm +0.9 mm versus R2 Plus

Weight

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

  1. 1. R2 Plus

    167 g

    +36 g versus A390

  2. 2. A390

    131 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.

  1. 1. R2 Plus

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A390

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

R2 Plus has approximately 83.1% more rectangular screen area than A390.

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, A390, compared at the same storage capacity.
StorageR2 PlusA390
32 GB 3 GB RAM Unknown
A390: Original memory entry

4 GB · 512 MB 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. R2 Plus

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

2. A390

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.

Recorded battery capacity

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

  1. 1. R2 Plus

    3000 mAh

    +1500 mAh versus A390

  2. 2. A390

    1500 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. R2 Plus2. A390

Everyday essentials
Everyday essentials — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
Dimensions (HxWxD)
  • 155.7 Х 77 Х 9.2 mm
  • 125.6 Х 64 Х 10.1 mm
Weight
  • 167 g
  • 131 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
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
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6577 (40 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.6%
  • 56.7%
PPI /points per inch/
  • 401 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 5 MP
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, A390.
SpecificationR2 PlusA390
Processor CPU
  • Octa-core 1.3 GHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-T720
  • PowerVR SGX531u
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, A390.
SpecificationR2 PlusA390
Release date
  • 2017
  • November
  • 2013
  • April
Colors
  • Black
  • Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 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)
  • Stand by time- Up to 220 h (2G) / Up to 180 h (3G) Talking time- Up to 14 h (2G) / Up to 9 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
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)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 3.0
Music and Audio
Music and Audio — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
Radio
  • FM radio
  • FM radio
Others Unknown
  • Dolby Digital Plus audio enhancement
Other features
Other features — specifications for R2 Plus, A390.
SpecificationR2 PlusA390
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity