Oppo R7 Plus vs Yezz Billy 4

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

    Billy 4: 83 g lighter

    R7 Plus:
    192 g
    Billy 4:
    109 g
  • Width

    Billy 4: 17.6 mm narrower

    R7 Plus:
    82 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 2 in smaller diagonal

    R7 Plus:
    6 in
    Billy 4:
    4 in
  • Chipset

    R7 Plus:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    R7 Plus: 2.1 mm thinner

    R7 Plus:
    7.8 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 35.5 mm shorter

    R7 Plus:
    158 mm
    Billy 4:
    122.5 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. R7 Plus

    Height:
    158 mm +35.5 mm versus Billy 4
    Width:
    82 mm +17.6 mm versus Billy 4
    Depth:
    7.8 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +2.1 mm versus R7 Plus

Weight

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

  1. 1. R7 Plus

    192 g

    +83 g versus Billy 4

  2. 2. Billy 4

    109 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. R7 Plus

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. Billy 4

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

R7 Plus has approximately 117.9% more rectangular screen area than Billy 4.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

R7 Plus: Original memory entry

32 GB · 3 GB RAM64 GB · 512GB 4GB

Billy 4: 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. R7 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Billy 4

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. R7 Plus

    4100 mAh

    +2800 mAh versus Billy 4

  2. 2. Billy 4

    1300 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. R7 Plus2. Billy 4

Everyday essentials
Everyday essentials — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Dimensions (HxWxD)
  • 158 Х 82 Х 7.8 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 192 g
  • 109 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6" 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 RAM64 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4100 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop); ColorOS 2.1
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 76.6%
  • 57.7%
PPI /points per inch/
  • 367 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • laser AF
  • 8 MP
  • AF
Functions
  • Schneider-Kreuznach optics
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@60fps
  • 720p@120fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.4
  • 1.3 MP
Performance

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

Performance — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 405
  • Adreno 302
Antutu 7 score *
  • 35215
Unknown
GeekBench 4 Single Core *
  • 840
Unknown
GeekBench 4 Multi-Core *
  • 4899
Unknown
General specs
General specs — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Release date
  • 2015
  • May
  • 2014
  • June
Colors
  • Golden
  • Silver
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 430 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 350 h (2G) / Up to 300 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 - Global
  • Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300) - Global LTE band 1(2100)
  • 28(700)
  • 40(2300) - Taiwan LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 17(700) - USA
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Radio
  • No
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R7 Plus, Billy 4.
SpecificationR7 PlusBilly 4
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging: 75% in 30 min (VOOC Flash Charge)
  • Sensors Accelerometer
  • proximity