BLU C4 vs ZTE Blade S7

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.

  • Weight

    C4: 13 g lighter

    C4:
    118 g
    Blade S7:
    131 g
  • Width

    C4: 2.8 mm narrower

    C4:
    64.2 mm
    Blade S7:
    67 mm
  • Screen diagonal

    C4: 1 in smaller diagonal

    C4:
    4 in
    Blade S7:
    5 in
  • Depth

    Blade S7: 3.7 mm thinner

    C4:
    10.9 mm
    Blade S7:
    7.2 mm
  • Height

    C4: 17.7 mm shorter

    C4:
    124.3 mm
    Blade S7:
    142 mm
  • Release year

    C4:
    2018
    Blade S7:
    2015

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. C4

    Height:
    124.3 mm
    Width:
    64.2 mm
    Depth:
    10.9 mm +3.7 mm versus Blade S7
  2. 2. Blade S7

    Height:
    142 mm +17.7 mm versus C4
    Width:
    67 mm +2.8 mm versus C4
    Depth:
    7.2 mm

Weight

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

  1. 1. C4

    118 g

  2. 2. Blade S7

    131 g

    +13 g versus C4

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. C4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Blade S7

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

Blade S7 has approximately 51.3% more rectangular screen area than C4.

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 C4, Blade S7, compared at the same storage capacity.
StorageC4Blade S7
32 GB Unknown 3 GB RAM
C4: Original memory entry

8 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. C4

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

2. Blade S7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 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. C4

    1300 mAh

  2. 2. Blade S7

    2500 mAh

    +1200 mAh versus C4

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. C42. Blade S7

Everyday essentials
Everyday essentials — specifications for C4, Blade S7.
SpecificationC4Blade S7
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 142 Х 67 Х 7.2 mm
Weight
  • 118 g
  • 131 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1 (Lollipop); MiFavor UI
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, Blade S7.
SpecificationC4Blade S7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 72.4%
PPI /points per inch/
  • 233 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for C4, Blade S7.
SpecificationC4Blade S7
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 5 MP
  • 13 MP
Performance

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

Performance — specifications for C4, Blade S7.
SpecificationC4Blade S7
Processor CPU
  • Quad-core 1.3 GHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Adreno 405
Antutu 7 score *
  • 21722
  • 31254
General specs
General specs — specifications for C4, Blade S7.
SpecificationC4Blade S7
Release date
  • 2018
  • August
  • 2015
  • October
Colors
  • Black
  • Gold
  • Blue
  • Black
  • White
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 280 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for C4, Blade S7.
SpecificationC4Blade S7
SIM card
  • Dual SIM (Micro-SIM)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 2100 -4G - LTE
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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for C4, Blade S7.
SpecificationC4Blade S7
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for C4, Blade S7.
SpecificationC4Blade S7
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass