LG E900 Optimus 7 vs Samsung Galaxy A71

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

    E900 Optimus 7: 22 g lighter

    E900 Optimus 7:
    157 g
    Galaxy A71:
    179 g
  • Width

    E900 Optimus 7: 16.2 mm narrower

    E900 Optimus 7:
    59.8 mm
    Galaxy A71:
    76 mm
  • Screen diagonal

    E900 Optimus 7: 2.9 in smaller diagonal

    E900 Optimus 7:
    3.8 in
    Galaxy A71:
    6.7 in
  • Rear camera layout

    E900 Optimus 7:
    Single
    Galaxy A71:
    Quad
  • Depth

    Galaxy A71: 3.8 mm thinner

    E900 Optimus 7:
    11.5 mm
    Galaxy A71:
    7.7 mm
  • Height

    E900 Optimus 7: 38.6 mm shorter

    E900 Optimus 7:
    125 mm
    Galaxy A71:
    163.6 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. E900 Optimus 7

    Height:
    125 mm
    Width:
    59.8 mm
    Depth:
    11.5 mm +3.8 mm versus Galaxy A71
  2. 2. Galaxy A71

    Height:
    163.6 mm +38.6 mm versus E900 Optimus 7
    Width:
    76 mm +16.2 mm versus E900 Optimus 7
    Depth:
    7.7 mm

Weight

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

  1. 1. E900 Optimus 7

    157 g

  2. 2. Galaxy A71

    179 g

    +22 g versus E900 Optimus 7

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. E900 Optimus 7

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²
  2. 2. Galaxy A71

    Screen diagonal:
    6.7 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    108.4 cm²

Galaxy A71 has approximately 163.7% more rectangular screen area than E900 Optimus 7.

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 E900 Optimus 7, Galaxy A71, compared at the same storage capacity.
StorageE900 Optimus 7Galaxy A71
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
E900 Optimus 7: 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. E900 Optimus 7

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

2. Galaxy A71

NFC:
See details Yes (market 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. E900 Optimus 7

    1500 mAh

  2. 2. Galaxy A71

    4500 mAh

    +3000 mAh versus E900 Optimus 7

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. E900 Optimus 72. Galaxy A71

Everyday essentials
Everyday essentials — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Dimensions (HxWxD)
  • 125 Х 59.8 Х 11.5 mm
  • 163.6 Х 76 Х 7.7 mm
Weight
  • 157 g
  • 179 g
Technology
  • TFT
  • Super AMOLED Plus
Screen size
  • 3.8" inch
  • 6.7" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 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
  • 128GB 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • No
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • upgradable to 7.8
  • Android 10.0; One UI 2
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SDM730 Snapdragon 730 (8 nm) Global Qualcomm SDM730 Snapdragon 730G (8 nm) Philippines
NFC Unknown
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 41.1 cm2
  • 108.4 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 55.0%
  • 87.2%
PPI /points per inch/
  • 246 PPI
  • 393 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Rear camera, main
  • 5 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 5 MP
  • AF
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF -12 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • 1.12µm -5 MP
  • 1.12µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p@24fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.2
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
DxOMark Main Score * Unknown
  • 84
DxOMark Photo * Unknown
  • 89
DxOMark Video * Unknown
  • 74
Performance

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

Performance — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 200
  • Adreno 618
Antutu 8 score * Unknown
  • 265537
GeekBench 5 Single Core * Unknown
  • 509
GeekBench 5 Multi-Core * Unknown
  • 1638
General specs
General specs — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Release date
  • 2010
  • October
  • 2019
  • December
Colors
  • Black
  • Prism
  • Crush Black
  • Silver
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 399 EUR
Battery life
  • Stand by time- Up to 330 h (2G) / Up to 330 h (3G) Talking time- Up to 6 h 40 min (2G) / Up to 5 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
  • LTE-A
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
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.59 W/kg (head) 0.63 W/kg (body) SAR EU - 0.94 W/kg (head) 1.47 W/kg (body)
  • SAR - 0.98 W/kg (head) 0.90 W/kg (body) SAR EU - 0.51 W/kg (head) 1.56 W/kg (body)
Music and Audio
Music and Audio — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for E900 Optimus 7, Galaxy A71.
SpecificationE900 Optimus 7Galaxy A71
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Facebook integration -Document viewer/editor -MP4/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Voice memo -Predictive text input
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast battery charging 25W - Versions: SM-A715F/DS
  • SM-A715F/DSN (Global); SM-A715F/DSM (Russia)