Gigabyte GSmart Guru GX vs Oppo A39

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    GSmart Guru GX: 32 g lighter

    GSmart Guru GX:
    115 g
    A39:
    147 g
  • Width

    GSmart Guru GX: 3.9 mm narrower

    GSmart Guru GX:
    69 mm
    A39:
    72.9 mm
  • Screen diagonal

    GSmart Guru GX: 0.2 in smaller diagonal

    GSmart Guru GX:
    5 in
    A39:
    5.2 in
  • Memory variants

    At 32 GB storage

    GSmart Guru GX:
    2 GB RAM
    A39:
    3 GB RAM
  • Chipset

    GSmart Guru GX:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    A39:
    Mediatek MT6750 (28 nm)
  • Depth

    GSmart Guru GX: 0.7 mm thinner

    GSmart Guru GX:
    7 mm
    A39:
    7.7 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. GSmart Guru GX

    Height:
    139 mm
    Width:
    69 mm
    Depth:
    7 mm
  2. 2. A39

    Height:
    149.1 mm +10.1 mm versus GSmart Guru GX
    Width:
    72.9 mm +3.9 mm versus GSmart Guru GX
    Depth:
    7.7 mm +0.7 mm versus GSmart Guru GX

Weight

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

  1. 1. GSmart Guru GX

    115 g

  2. 2. A39

    147 g

    +32 g versus GSmart Guru GX

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. GSmart Guru GX

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A39

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

A39 has approximately 8.2% more rectangular screen area than GSmart Guru GX.

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 GSmart Guru GX, A39, compared at the same storage capacity.
StorageGSmart Guru GXA39
32 GB Recorded for all phones 2 GB RAM 3 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. GSmart Guru GX

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

2. A39

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. GSmart Guru GX

    2300 mAh

  2. 2. A39

    2900 mAh

    +600 mAh versus GSmart Guru GX

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. GSmart Guru GX2. A39

Everyday essentials
Everyday essentials — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Dimensions (HxWxD)
  • 139 Х 69 Х 7 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 115 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.2" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2300 mAh
  • Non-removable Li-Ion
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4 (KitKat)
  • Android 5.1 (Lollipop); ColorOS 3
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Mediatek MT6750 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.9%
  • 68.6%
PPI /points per inch/
  • 441 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
Performance

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

Performance — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 405
  • Mali-T860MP2
GeekBench 4 Single Core * Unknown
  • 639
GeekBench 4 Multi-Core * Unknown
  • 2481
GeekBench 4 RenderScript * Unknown
  • 1870
General specs
General specs — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Release date
  • 2015
  • January
  • 2017
  • March
Colors
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 14 h
Unknown
Body build Unknown
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
SIM card
  • Dual SIM (Nano-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 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 20(800)
  • 28(700)
  • 39(1900)
  • 41(2500)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for GSmart Guru GX, A39.
SpecificationGSmart Guru GXA39
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass