You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

Acer Stream vs LG K40S

Compare recorded specifications, size and practical differences.

+ Add a third phone

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
    K40S:
    LCD
  • Width

    Stream: 10.9 mm narrower

    Stream:
    63 mm
    K40S:
    73.9 mm
  • Screen diagonal

    Stream: 2.4 in smaller diagonal

    Stream:
    3.7 in
    K40S:
    6.1 in
  • Chipset

    Stream:
    Qualcomm QSD8250 Snapdragon S1
    K40S:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    Stream:
    Single
    K40S:
    Dual
  • Depth

    K40S: 2.6 mm thinner

    Stream:
    11.2 mm
    K40S:
    8.6 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 +2.6 mm versus K40S
    Weight:
    140 g
  2. 2. K40S

    Height:
    156.3 mm +36.8 mm versus Stream
    Width:
    73.9 mm +10.9 mm versus Stream
    Depth:
    8.6 mm
    Weight:
    Unknown

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. K40S

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

K40S has approximately 138.4% 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, K40S, compared at the same storage capacity.
StorageStreamK40S
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
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. K40S

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (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. K40S

    3500 mAh

    +2100 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. K40S

Everyday essentials
Everyday essentials — specifications for Stream, K40S.
SpecificationStreamK40S
Dimensions (HxWxD)
  • 119.5 Х 63 Х 11.2 mm
  • 156.3 Х 73.9 Х 8.6 mm
Weight
  • 140 g
  • 0 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 3.7" inch
  • 6.1" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1520 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
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.1 (Eclair)
  • Android 9.0 (Pie)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Super AMOLED
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Stream, K40S.
SpecificationStreamK40S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 39.0 cm2
  • 92.9 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 51.8%
  • 80.4%
PPI /points per inch/
  • 252 PPI
  • 276 PPI
Camera and Video
Camera and Video — specifications for Stream, K40S.
SpecificationStreamK40S
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • f/2.2
  • 26mm (wide)
  • PDAF -5 MP
  • (ultrawide)
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications
  • Super AMOLED
  • 13 MP
  • f/2.0
Performance

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

Performance — specifications for Stream, K40S.
SpecificationStreamK40S
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 200
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 76321
General specs
General specs — specifications for Stream, K40S.
SpecificationStreamK40S
Release date
  • 2010
  • May
  • 2019
  • August
Colors
  • Black
  • New Aurora Black
  • New Moroccan Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 400 h (3G) Talking time- Up to 5 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Stream, K40S.
SpecificationStreamK40S
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Nano-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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
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, K40S.
SpecificationStreamK40S
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Dedicated music keys -Dolby Mobile
  • DTS: X Surround Sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Stream, K40S.
SpecificationStreamK40S
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
  • proximity - MIL-STD-810G compliant