Asus Zenfone Max (M2) ZB633KL vs Haier G51

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

    G51: 5 g lighter

    Zenfone Max (M2) ZB633KL:
    160 g
    G51:
    155 g
  • Width

    G51: 3.4 mm narrower

    Zenfone Max (M2) ZB633KL:
    76.3 mm
    G51:
    72.9 mm
  • Screen diagonal

    G51: 1.26 in smaller diagonal

    Zenfone Max (M2) ZB633KL:
    6.26 in
    G51:
    5 in
  • Chipset

    Zenfone Max (M2) ZB633KL:
    Qualcomm SDM632 Snapdragon 632 (14 nm)
    G51:
    Mediatek MT6737M (28 nm)
  • Rear camera layout

    Zenfone Max (M2) ZB633KL:
    Dual
    G51:
    Single
  • Depth

    Zenfone Max (M2) ZB633KL: 1.4 mm thinner

    Zenfone Max (M2) ZB633KL:
    7.7 mm
    G51:
    9.1 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. Zenfone Max (M2) ZB633KL

    Height:
    158.4 mm +15.8 mm versus G51
    Width:
    76.3 mm +3.4 mm versus G51
    Depth:
    7.7 mm
  2. 2. G51

    Height:
    142.6 mm
    Width:
    72.9 mm
    Depth:
    9.1 mm +1.4 mm versus Zenfone Max (M2) ZB633KL

Weight

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

  1. 1. Zenfone Max (M2) ZB633KL

    160 g

    +5 g versus G51

  2. 2. G51

    155 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. Zenfone Max (M2) ZB633KL

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. G51

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

Zenfone Max (M2) ZB633KL has approximately 41.9% more rectangular screen area than G51.

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 Zenfone Max (M2) ZB633KL, G51, compared at the same storage capacity.
StorageZenfone Max (M2) ZB633KLG51
8 GB Unknown 1 GB RAM
Zenfone Max (M2) ZB633KL: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Zenfone Max (M2) ZB633KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. G51

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. Zenfone Max (M2) ZB633KL

    4000 mAh

    +2000 mAh versus G51

  2. 2. G51

    2000 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. Zenfone Max (M2) ZB633KL2. G51

Everyday essentials
Everyday essentials — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Dimensions (HxWxD)
  • 158.4 Х 76.3 Х 7.7 mm
  • 142.6 Х 72.9 Х 9.1 mm
Weight
  • 160 g
  • 155 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 7.0 (Nougat)
Chipset
  • Qualcomm SDM632 Snapdragon 632 (14 nm)
  • Mediatek MT6737M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 80.9%
  • 66.3%
PPI /points per inch/
  • 269 PPI
  • 196 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 5 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.12µm
  • 5 MP
  • f/2.4
Performance

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

Performance — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Processor CPU
  • Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)
  • Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU
  • Adreno 506
  • Mali-T720MP1
Antutu 7 score * Unknown
  • 29322
General specs
General specs — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Release date
  • 2018
  • December
  • 2017
Colors
  • Black
  • Blue
  • Black
  • Gold
  • White
  • Blue
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 1900 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.71 W/kg (head) 1.11 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max (M2) ZB633KL, G51.
SpecificationZenfone Max (M2) ZB633KLG51
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity