LG Optimus G E975 vs Samsung Galaxy Alpha

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

    Optimus G E975:
    LCD
    Galaxy Alpha:
    OLED
  • Weight

    Galaxy Alpha: 30 g lighter

    Optimus G E975:
    145 g
    Galaxy Alpha:
    115 g
  • Width

    Galaxy Alpha: 3.4 mm narrower

    Optimus G E975:
    68.9 mm
    Galaxy Alpha:
    65.5 mm
  • Chipset

    Optimus G E975:
    Qualcomm APQ8064 Snapdragon S4 Pro
    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
  • Depth

    Galaxy Alpha: 1.8 mm thinner

    Optimus G E975:
    8.5 mm
    Galaxy Alpha:
    6.7 mm
  • Release year

    Optimus G E975:
    2012
    Galaxy Alpha:
    2014

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. Optimus G E975

    Height:
    131.9 mm
    Width:
    68.9 mm +3.4 mm versus Galaxy Alpha
    Depth:
    8.5 mm +1.8 mm versus Galaxy Alpha
  2. 2. Galaxy Alpha

    Height:
    132.4 mm
    Width:
    65.5 mm
    Depth:
    6.7 mm

Weight

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

  1. 1. Optimus G E975

    145 g

    +30 g versus Galaxy Alpha

  2. 2. Galaxy Alpha

    115 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. Optimus G E975

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    62.9 cm²
  2. 2. Galaxy Alpha

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

Optimus G E975 has approximately 3.2% more rectangular screen area than Galaxy Alpha.

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 Optimus G E975, Galaxy Alpha, compared at the same storage capacity.
StorageOptimus G E975Galaxy Alpha
32 GB Unknown 2 GB RAM
Optimus G E975: Original memory entry

32 GB (25 GB user available) · 2 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. Optimus G E975

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

2. Galaxy Alpha

NFC:
Yes
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. Optimus G E975

    2100 mAh

    +240 mAh versus Galaxy Alpha

  2. 2. Galaxy Alpha

    1860 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. Optimus G E9752. Galaxy Alpha

Everyday essentials
Everyday essentials — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Dimensions (HxWxD)
  • 131.9 Х 68.9 Х 8.5 mm
  • 132.4 Х 65.5 Х 6.7 mm
Weight
  • 145 g
  • 115 g
Technology
  • True HD-IPS + LCD
  • Super AMOLED
Screen size
  • 4.7" inch
  • 4.7" inch
Screen resolution
  • 768 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB (25 GB user available)
  • 2 GB RAM
  • 32 GB
  • 2 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Non-removable Li-Po
  • 1860 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • upgradаble to 4.4.2 (KitKat)
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
Chipset
  • Qualcomm APQ8064 Snapdragon S4 Pro
  • Exynos 5430 Octa (20 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 62.9 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.2%
  • 70.2%
PPI /points per inch/
  • 318 PPI
  • 312 PPI
Screen protection
  • Corning Gorilla Glass 2
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 13 MP/8 MP
  • market dependent
  • AF
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • 1.3 MP
  • 2.1 MP
Performance

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

Performance — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Processor CPU
  • Quad-core 1.5 GHz Krait
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
Graphics processor GPU
  • Adreno 320
  • Mali-T628 MP6
Antutu 7 score *
  • 17653
  • 50125
GeekBench 4 Single Core * Unknown
  • 782
GeekBench 4 Multi-Core * Unknown
  • 2457
GeekBench 4 RenderScript * Unknown
  • 1804
General specs
General specs — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Release date
  • 2012
  • August
  • 2014
  • August
Colors
  • Black
  • White
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 390 EUR
Battery life
  • Stand by time- Up to 456 h (2G) / Up to 411 h (3G) Talking time- Up to 15 h (2G) / Up to 13 h (3G)
  • Stand by time- Up to 350 h (3G) Talking time- Up to 11 h (3G) Music play - Up to 37 h
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
SIM card
  • Micro-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - E975
  • E973
  • E971 -3G - HSDPA 900 / 2100 - E975 HSDPA 850 / 1900 / 2100 - E973
  • E971 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - E975 (market dependent) LTE band 4(1700/2100)
  • 17(700) - E973 LTE band 7(2600)
  • 17(700) - E971
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - G850F LTE band 1(2100)
  • 4(1700/2100)
  • 17(700) - SM-G850M
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0 (MHL TV-out)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • EDR
  • LE
Harmful irradiation
  • SAR - 0.58 W/kg (head) 1.08 W/kg (body) SAR EU - 0.43 W/kg (head) 0.40 W/kg (body)
  • SAR - 1.18 W/kg (head) 0.75 W/kg (body) SAR EU - 0.37 W/kg (head) 0.51 W/kg (body)
Music and Audio
Music and Audio — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Dolby Mobile -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Optimus G E975, Galaxy Alpha.
SpecificationOptimus G E975Galaxy Alpha
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG Optimus G E973
  • LG Optimus G E971
  • LG-F180
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • heart rate - ANT+ - Versions: G850F (Europe); G850T (T-Mobile)
  • G850M (Vodafone); G850FQ; G850Y Also known as Samsung Galaxy Alfa