BLU C4 vs ZTE Axon 7s

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.

  • Display technology

    OLED versus LCD

    C4:
    LCD
    Axon 7s:
    OLED
  • Weight

    C4: 35 g lighter

    C4:
    118 g
    Axon 7s:
    153 g
  • Width

    C4: 6.8 mm narrower

    C4:
    64.2 mm
    Axon 7s:
    71 mm
  • Screen diagonal

    C4: 1.2 in smaller diagonal

    C4:
    4 in
    Axon 7s:
    5.2 in
  • Depth

    Axon 7s: 3.1 mm thinner

    C4:
    10.9 mm
    Axon 7s:
    7.8 mm
  • Height

    C4: 23.2 mm shorter

    C4:
    124.3 mm
    Axon 7s:
    147.5 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. C4

    Height:
    124.3 mm
    Width:
    64.2 mm
    Depth:
    10.9 mm +3.1 mm versus Axon 7s
  2. 2. Axon 7s

    Height:
    147.5 mm +23.2 mm versus C4
    Width:
    71 mm +6.8 mm versus C4
    Depth:
    7.8 mm

Weight

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

  1. 1. C4

    118 g

  2. 2. Axon 7s

    153 g

    +35 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. Axon 7s

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

Axon 7s has approximately 63.7% 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, Axon 7s, compared at the same storage capacity.
StorageC4Axon 7s
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. Axon 7s

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Axon 7s

    2705 mAh

    +1405 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. Axon 7s

Everyday essentials
Everyday essentials — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 147.5 Х 71 Х 7.8 mm
Weight
  • 118 g
  • 153 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 4" inch
  • 5.2" 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 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 2705 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 6.1 (Marshmallow)
  • upgradable to 7.1.1 (Nougat); MiFavor 4
Chipset Unknown
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 74.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 71.5%
PPI /points per inch/
  • 233 PPI
  • 423 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 5 MP
  • 16 MP
  • PDAF
  • f/1.9
Functions
  • LED flash
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Processor CPU
  • Quad-core 1.3 GHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Adreno 405
Antutu 7 score *
  • 21722
  • 130568
General specs
General specs — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Release date
  • 2018
  • August
  • 2016
  • September
Colors
  • Black
  • Gold
  • Blue
  • Ion Gold
  • Platinum Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 220 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)
  • Stand by time- Up to 270 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
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 CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 41(2500) - USA
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.1
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Radio
  • FM radio
  • No
Others Unknown
  • 32-bit/192kHz audio -Dolby Atmos & Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for C4, Axon 7s.
SpecificationC4Axon 7s
Dop
  • Sensors Accelerometer For USA
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 46% in 30 min (Quick Charge 2.0)