Acer Stream vs Asus Zenfone Max Pro (M2) ZB631KL

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

    Stream:
    OLED
    Zenfone Max Pro (M2) ZB631KL:
    LCD
  • Weight

    Stream: 35 g lighter

    Stream:
    140 g
    Zenfone Max Pro (M2) ZB631KL:
    175 g
  • Width

    Stream: 12.5 mm narrower

    Stream:
    63 mm
    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
  • Screen diagonal

    Stream: 2.56 in smaller diagonal

    Stream:
    3.7 in
    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
  • Chipset

    Stream:
    Qualcomm QSD8250 Snapdragon S1
    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    Stream:
    Single
    Zenfone Max Pro (M2) ZB631KL:
    Dual

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. Stream

    Height:
    119.5 mm
    Width:
    63 mm
    Depth:
    11.2 mm +2.7 mm versus Zenfone Max Pro (M2) ZB631KL
  2. 2. Zenfone Max Pro (M2) ZB631KL

    Height:
    157.9 mm +38.4 mm versus Stream
    Width:
    75.5 mm +12.5 mm versus Stream
    Depth:
    8.5 mm

Weight

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

  1. 1. Stream

    140 g

  2. 2. Zenfone Max Pro (M2) ZB631KL

    175 g

    +35 g versus Stream

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. Stream

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 cm²
  2. 2. Zenfone Max Pro (M2) ZB631KL

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

Zenfone Max Pro (M2) ZB631KL has approximately 151% more rectangular screen area than Stream.

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.

Stream: Original memory entry

32 GB · 512 MB RAM - Liquid M2208 GB

Zenfone Max Pro (M2) ZB631KL: Original memory entry

64 GB · 4/6 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. Stream

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

2. Zenfone Max Pro (M2) ZB631KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Stream

    1400 mAh

  2. 2. Zenfone Max Pro (M2) ZB631KL

    5000 mAh

    +3600 mAh versus Stream

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. Stream2. Zenfone Max Pro (M2) ZB631KL

Everyday essentials
Everyday essentials — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Dimensions (HxWxD)
  • 119.5 Х 63 Х 11.2 mm
  • 157.9 Х 75.5 Х 8.5 mm
Weight
  • 140 g
  • 175 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 3.7" inch
  • 6.26" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512 MB RAM - Liquid M2208 GB
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.1 (Eclair)
  • Android 8.1 (Oreo)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 97.8 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 51.8%
  • 82.0%
PPI /points per inch/
  • 252 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications
  • Super AMOLED
  • 13MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 200
  • Adreno 512
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1204
General specs
General specs — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Release date
  • 2010
  • May
  • 2018
  • December
Colors
  • Black
  • Blue
  • Titanium
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h (3G) Talking time- Up to 5 h (3G)
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA & UPnP technology
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Dedicated music keys -Dolby Mobile
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Stream, Zenfone Max Pro (M2) ZB631KL.
SpecificationStreamZenfone Max Pro (M2) ZB631KL
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Micro HDMI port -Dedicated search key -MP3/WAV/WMA/eAAC+ player -MP4/Xvid/WMV/H.264 player -Document viewer -Voice memo -Predictive text input - Also known as Acer Liquid Stream
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W