Vodafone Smart first 7 vs Xolo Era 4K

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.

  • Width

    Smart first 7: 9 mm narrower

    Smart first 7:
    62.8 mm
    Era 4K:
    71.8 mm
  • Screen diagonal

    Smart first 7: 1.5 in smaller diagonal

    Smart first 7:
    3.5 in
    Era 4K:
    5 in
  • Chipset

    Smart first 7:
    Spreadtrum SC7731G
    Era 4K:
    Mediatek MT6735P (28 nm)
  • Depth

    Era 4K: 2.8 mm thinner

    Smart first 7:
    12 mm
    Era 4K:
    9.2 mm
  • Height

    Smart first 7: 28.6 mm shorter

    Smart first 7:
    114.4 mm
    Era 4K:
    143 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. Smart first 7

    Height:
    114.4 mm
    Width:
    62.8 mm
    Depth:
    12 mm +2.8 mm versus Era 4K
    Weight:
    110 g
  2. 2. Era 4K

    Height:
    143 mm +28.6 mm versus Smart first 7
    Width:
    71.8 mm +9 mm versus Smart first 7
    Depth:
    9.2 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 first 7

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Era 4K

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

Era 4K has approximately 88.9% more rectangular screen area than Smart first 7.

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 first 7, Era 4K, compared at the same storage capacity.
StorageSmart first 7Era 4K
8 GB Unknown 2 GB RAM
Smart first 7: 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 first 7

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

2. Era 4K

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 first 7

    1400 mAh

  2. 2. Era 4K

    4000 mAh

    +2600 mAh versus Smart first 7

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 first 72. Era 4K

Everyday essentials
Everyday essentials — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Dimensions (HxWxD)
  • 114.4 Х 62.8 Х 12 mm
  • 143 Х 71.8 Х 9.2 mm
Weight
  • 110 g
  • 0 g
Technology
  • TFT TN
  • IPS LCD
Screen size
  • 3.5" inch
  • 5" inch
Screen resolution
  • 320 x 480 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
  • 2 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 5.1.1 (Lollipop)
Chipset
  • Spreadtrum SC7731G
  • Mediatek MT6735P (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.8%
  • 67.1%
PPI /points per inch/
  • 165 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
  • f/2.0
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance
Performance — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2
  • Mali-T720MP2
General specs
General specs — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Release date
  • 2016
  • May
  • 2016
  • February
Colors
  • Volcano Black
  • Tech White
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 30 EUR
Unknown
Battery life
  • Talking time- Up to 5 h (3G)
  • Stand by time- Up to 624 h (2G) / Up to 528 h (3G) Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/11.5 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 b/g/n
  • hotspot
GPS
  • A-GPS only
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Smart first 7, Era 4K.
SpecificationSmart first 7Era 4K
Dop
  • Sensors No
  • Sensors Accelerometer
  • proximity - For India