LG Quantum 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.

  • Weight

    Galaxy Alpha: 61 g lighter

    Quantum:
    176 g
    Galaxy Alpha:
    115 g
  • Width

    Quantum: 6 mm narrower

    Quantum:
    59.5 mm
    Galaxy Alpha:
    65.5 mm
  • Screen diagonal

    Quantum: 1.2 in smaller diagonal

    Quantum:
    3.5 in
    Galaxy Alpha:
    4.7 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
  • Depth

    Galaxy Alpha: 8.5 mm thinner

    Quantum:
    15.2 mm
    Galaxy Alpha:
    6.7 mm
  • Height

    Quantum: 12.9 mm shorter

    Quantum:
    119.5 mm
    Galaxy Alpha:
    132.4 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. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +8.5 mm versus Galaxy Alpha
  2. 2. Galaxy Alpha

    Height:
    132.4 mm +12.9 mm versus Quantum
    Width:
    65.5 mm +6 mm versus Quantum
    Depth:
    6.7 mm

Weight

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

  1. 1. Quantum

    176 g

    +61 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. Quantum

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

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

Galaxy Alpha has approximately 74.7% more rectangular screen area than Quantum.

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 Quantum, Galaxy Alpha, compared at the same storage capacity.
StorageQuantumGalaxy Alpha
32 GB Unknown 2 GB RAM
Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Quantum

NFC:
Unknown
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. Quantum

    1500 mAh

  2. 2. Galaxy Alpha

    1860 mAh

    +360 mAh versus Quantum

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. Quantum2. Galaxy Alpha

Everyday essentials
Everyday essentials — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 132.4 Х 65.5 Х 6.7 mm
Weight
  • 176 g
  • 115 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 32 GB
  • 2 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1860 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Exynos 5430 Octa (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 70.2%
PPI /points per inch/
  • 267 PPI
  • 312 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance

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

Performance — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
Graphics processor GPU
  • Adreno 200
  • Mali-T628 MP6
Antutu 7 score * Unknown
  • 50125
GeekBench 4 Single Core * Unknown
  • 782
GeekBench 4 Multi-Core * Unknown
  • 2457
GeekBench 4 RenderScript * Unknown
  • 1804
General specs
General specs — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Release date
  • 2010
  • October
  • 2014
  • August
Colors
  • Black
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 390 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
  • 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 Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
  • EDR
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 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 Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Galaxy Alpha.
SpecificationQuantumGalaxy Alpha
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T
  • 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