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Nokia C7 vs Yezz Billy 4.7

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.

  • Display technology

    OLED versus LCD

    C7:
    OLED
    Billy 4.7:
    LCD
  • Weight

    Billy 4.7: 10 g lighter

    C7:
    130 g
    Billy 4.7:
    120 g
  • Width

    C7: 10.4 mm narrower

    C7:
    56.8 mm
    Billy 4.7:
    67.2 mm
  • Screen diagonal

    C7: 1.2 in smaller diagonal

    C7:
    3.5 in
    Billy 4.7:
    4.7 in
  • Depth

    Billy 4.7: 3.3 mm thinner

    C7:
    10.5 mm
    Billy 4.7:
    7.2 mm
  • Height

    C7: 18.5 mm shorter

    C7:
    117.3 mm
    Billy 4.7:
    135.8 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. C7

    Height:
    117.3 mm
    Width:
    56.8 mm
    Depth:
    10.5 mm +3.3 mm versus Billy 4.7
  2. 2. Billy 4.7

    Height:
    135.8 mm +18.5 mm versus C7
    Width:
    67.2 mm +10.4 mm versus C7
    Depth:
    7.2 mm

Weight

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

  1. 1. C7

    130 g

    +10 g versus Billy 4.7

  2. 2. Billy 4.7

    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.

  1. 1. C7

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    33.8 cm²
  2. 2. Billy 4.7

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

Billy 4.7 has approximately 80.3% more rectangular screen area than C7.

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 C7, Billy 4.7, compared at the same storage capacity.
StorageC7Billy 4.7
8 GB Unknown 1 GB RAM
C7: Original memory entry

8 GB · 256 MB RAM · 1 GB ROM

Practical features

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

1. C7

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

2. Billy 4.7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. C7

    1200 mAh

  2. 2. Billy 4.7

    1780 mAh

    +580 mAh versus C7

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. C72. Billy 4.7

Everyday essentials
Everyday essentials — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Dimensions (HxWxD)
  • 117.3 Х 56.8 Х 10.5 mm
  • 135.8 Х 67.2 Х 7.2 mm
Weight
  • 130 g
  • 120 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 360 x 640 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 256 MB RAM
  • 1 GB ROM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1780 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian^3
  • upgradable to Nokia Belle OS
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Via software update
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 33.8 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 50.7%
  • 66.7%
PPI /points per inch/
  • 210 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@25fps
  • 720p@30fps (via SW update)
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Processor CPU
  • 680 MHz ARM 11
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Broadcom BCM2727
  • Adreno 302
General specs
General specs — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Release date
  • 2010
  • September
  • 2014
  • May
Colors
  • Charcoal Black
  • Frosty metal
  • Mahogany brown
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 552 h (2G) / Up to 648 h (3G) Talking time- Up to 9 h 30 min (2G) / Up to 5 h (3G) Music play - Up to 54 h
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
SIM card
  • Mini-SIM
  • Dual SIM (Micro-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 10.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 32
  • Class 12
Edge
  • Class 32
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS; Ovi Maps 3.0
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.03 W/kg (head) 0.83 W/kg (body) SAR EU - 0.73 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Radio
  • Stereo FM radio
  • RDS; FM trans
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for C7, Billy 4.7.
SpecificationC7Billy 4.7
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Web TV -TV-out -MP3/WMA/WAV/eAAC+ player -DivX/XviD/MP4/H.264/WMV player -Quickoffice document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Adobe Reader -Voice memo/dial/command -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass - Single SIM: CWP 47 Dual SIM: WP 47