Samsung Galaxy A9 Star 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.

  • Display technology

    OLED versus LCD

    Galaxy A9 Star:
    OLED
    Blade S7:
    LCD
  • Weight

    Blade S7: 60 g lighter

    Galaxy A9 Star:
    191 g
    Blade S7:
    131 g
  • Width

    Blade S7: 10 mm narrower

    Galaxy A9 Star:
    77 mm
    Blade S7:
    67 mm
  • Screen diagonal

    Blade S7: 1.3 in smaller diagonal

    Galaxy A9 Star:
    6.3 in
    Blade S7:
    5 in
  • Chipset

    Galaxy A9 Star:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Blade S7:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Rear camera layout

    Galaxy A9 Star:
    Dual
    Blade S7:
    Single

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. Galaxy A9 Star

    Height:
    162.4 mm +20.4 mm versus Blade S7
    Width:
    77 mm +10 mm versus Blade S7
    Depth:
    7.6 mm
  2. 2. Blade S7

    Height:
    142 mm
    Width:
    67 mm
    Depth:
    7.2 mm

Weight

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

  1. 1. Galaxy A9 Star

    191 g

    +60 g versus Blade S7

  2. 2. Blade S7

    131 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. Galaxy A9 Star

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 cm²
  2. 2. Blade S7

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

Galaxy A9 Star has approximately 46.2% more rectangular screen area than Blade S7.

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 Galaxy A9 Star, Blade S7, compared at the same storage capacity.
StorageGalaxy A9 StarBlade S7
32 GB Unknown 3 GB RAM
Galaxy A9 Star: Original memory entry

64 GB · 4/6 GB 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. Galaxy A9 Star

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

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. Galaxy A9 Star

    3700 mAh

    +1200 mAh versus Blade S7

  2. 2. Blade S7

    2500 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. Galaxy A9 Star2. Blade S7

Everyday essentials
Everyday essentials — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Dimensions (HxWxD)
  • 162.4 Х 77 Х 7.6 mm
  • 142 Х 67 Х 7.2 mm
Weight
  • 191 g
  • 131 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.3" inch
  • 5" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4/6 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3700 mAh
  • Non-removable Li-Ion
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8 (Oreo)
  • Android 5.1 (Lollipop); MiFavor UI
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.7 cm2
  • 68.9 cm2
Screen format
  • 18.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.6%
  • 72.4%
PPI /points per inch/
  • 392 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Rear camera, main
  • 24 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 24 MP
  • f/1.7 -16 MP
  • f/1.7
  • PDAF
  • 13 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 24 MP
  • f/2.0
  • 13 MP
Performance

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

Performance — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 512
  • Adreno 405
Antutu 7 score *
  • 104325
  • 31254
General specs
General specs — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Release date
  • 2018
  • June
  • 2015
  • October
Colors
  • Black
  • White
  • Black
  • White
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 280 EUR
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 41(2500) - China
  • 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 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.43 W/kg (head) 1.79 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound (headphones only)
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy A9 Star, Blade S7.
SpecificationGalaxy A9 StarBlade S7
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/1.67A -ANT+ - Samsung Pay - Versions: A8 Star (Global
  • SEA
  • South Korea); A9 Star (China)
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass