Vodafone Smart III 975 vs Xolo Opus HD

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.

  • Width

    Smart III 975: 6.6 mm narrower

    Smart III 975:
    64.4 mm
    Opus HD:
    71 mm
  • Screen diagonal

    Smart III 975: 0.99 in smaller diagonal

    Smart III 975:
    4 in
    Opus HD:
    4.99 in
  • Depth

    Opus HD: 3 mm thinner

    Smart III 975:
    10.9 mm
    Opus HD:
    7.9 mm
  • Height

    Smart III 975: 19.8 mm shorter

    Smart III 975:
    123.2 mm
    Opus HD:
    143 mm
  • Release year

    Smart III 975:
    2013
    Opus HD:
    2014

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. Smart III 975

    Height:
    123.2 mm
    Width:
    64.4 mm
    Depth:
    10.9 mm +3 mm versus Opus HD
    Weight:
    136 g
  2. 2. Opus HD

    Height:
    143 mm +19.8 mm versus Smart III 975
    Width:
    71 mm +6.6 mm versus Smart III 975
    Depth:
    7.9 mm
    Weight:
    Unknown

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. Smart III 975

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

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

Opus HD has approximately 50.7% more rectangular screen area than Smart III 975.

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 Smart III 975, Opus HD, compared at the same storage capacity.
StorageSmart III 975Opus HD
8 GB Unknown 1 GB RAM
Smart III 975: 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. Smart III 975

NFC:
See details Yes (975N model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Opus HD

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

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. Smart III 975

    1500 mAh

  2. 2. Opus HD

    2500 mAh

    +1000 mAh versus Smart III 975

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. Smart III 9752. Opus HD

Everyday essentials
Everyday essentials — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Dimensions (HxWxD)
  • 123.2 Х 64.4 Х 10.9 mm
  • 143 Х 71 Х 7.9 mm
Weight
  • 136 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.99" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6575 (40 nm)
  • Broadcom BCM23550
NFC
  • Yes (975N model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 68.6 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.4%
  • 67.6%
PPI /points per inch/
  • 233 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance

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

Performance — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Processor CPU
  • 1.0 GHz Cortex-A9
  • Quad-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX531
  • Broadcom VideoCore IV
Antutu 7 score * Unknown
  • 5687
General specs
General specs — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Release date
  • 2013
  • 2014
Colors
  • Black
  • White
  • Hot pink
  • Titan
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 475 h (2G) / Up to 388 h (3G) Talking time- Up to 6 h
  • Stand by time- Up to 600 h (2G) / Up to 500 h (3G) Talking time- Up to 28 h (2G) / Up to 9 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.54 W/kg (head) 0.76 W/kg (body)
  • SAR - 0.52 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Smart III 975, Opus HD.
SpecificationSmart III 975Opus HD
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - For India