Acer Stream vs Lenovo Vibe X2

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
    Vibe X2:
    LCD
  • Weight

    Vibe X2: 20 g lighter

    Stream:
    140 g
    Vibe X2:
    120 g
  • Width

    Stream: 5.6 mm narrower

    Stream:
    63 mm
    Vibe X2:
    68.6 mm
  • Screen diagonal

    Stream: 1.3 in smaller diagonal

    Stream:
    3.7 in
    Vibe X2:
    5 in
  • Chipset

    Stream:
    Qualcomm QSD8250 Snapdragon S1
    Vibe X2:
    MediaTek MT6595M
  • Depth

    Vibe X2: 3.9 mm thinner

    Stream:
    11.2 mm
    Vibe X2:
    7.3 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. Stream

    Height:
    119.5 mm
    Width:
    63 mm
    Depth:
    11.2 mm +3.9 mm versus Vibe X2
  2. 2. Vibe X2

    Height:
    140.2 mm +20.7 mm versus Stream
    Width:
    68.6 mm +5.6 mm versus Stream
    Depth:
    7.3 mm

Weight

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

  1. 1. Stream

    140 g

    +20 g versus Vibe X2

  2. 2. Vibe X2

    120 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. Stream

    Screen diagonal:
    3.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    39 cm²
  2. 2. Vibe X2

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

Vibe X2 has approximately 76.9% 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.

Recorded RAM for Stream, Vibe X2, compared at the same storage capacity.
StorageStreamVibe X2
32 GB Unknown 2 GB RAM
Stream: Original memory entry

32 GB · 512 MB RAM - Liquid M2208 GB

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. Vibe X2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Vibe X2

    2300 mAh

    +900 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. Vibe X2

Everyday essentials
Everyday essentials — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
Dimensions (HxWxD)
  • 119.5 Х 63 Х 11.2 mm
  • 140.2 Х 68.6 Х 7.3 mm
Weight
  • 140 g
  • 120 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 3.7" 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.
  • 32 GB
  • 512 MB RAM - Liquid M2208 GB
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.1 (Eclair)
  • Android 4.4 (KitKat)
  • upgradable to 5.0 (Lollipop)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • MediaTek MT6595M
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 51.8%
  • 71.7%
PPI /points per inch/
  • 252 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • Super AMOLED
  • 5 MP
Performance

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

Performance — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.0 GHz Cortex-A17 & 4x1.7 GHz Cortex-A7)
Graphics processor GPU
  • Adreno 200
  • PowerVR G600
Antutu 7 score * Unknown
  • 40125
GeekBench 4 Single Core * Unknown
  • 1020
GeekBench 4 Multi-Core * Unknown
  • 3275
GeekBench 4 RenderScript * Unknown
  • 1214
General specs
General specs — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
Release date
  • 2010
  • May
  • 2014
  • September
Colors
  • Black
  • White
  • Gold
  • Red
  • Charcoal
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 270 EUR
Battery life
  • Stand by time- Up to 400 h (3G) Talking time- Up to 5 h (3G)
  • Stand by time- Up to 228 h (2G) / Up to 216 h (3G) Talking time- Up to 17 h (2G) / Up to 19 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Micro-SIM)Dual SIM (Micro-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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800) LTE band 1(2100)
  • 30(2300) LTE band 1(2100)
  • 40(2300)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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/ac
  • dual band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Wi-Fi 802.11 a/b/g/n/ac
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Stream, Vibe X2.
SpecificationStreamVibe X2
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, Vibe X2.
SpecificationStreamVibe X2
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 Accelerometer
  • proximity
  • compass - Air gestures - Also known as Lenovo Vibe X2 Dual SIM with dual-SIM card slots