Kyocera Echo vs LG Optimus F3

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

    Optimus F3: 79.6 g lighter

    Echo:
    193 g
    Optimus F3:
    113.4 g
  • Width

    Echo: 5.5 mm narrower

    Echo:
    56.5 mm
    Optimus F3:
    62 mm
  • Screen diagonal

    Echo: 0.5 in smaller diagonal

    Echo:
    3.5 in
    Optimus F3:
    4 in
  • Chipset

    Echo:
    Qualcomm QSD8650 Snapdragon S1
    Optimus F3:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Depth

    Optimus F3: 7.1 mm thinner

    Echo:
    17.2 mm
    Optimus F3:
    10.1 mm
  • Release year

    Echo:
    2011
    Optimus F3:
    2013

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. Echo

    Height:
    115 mm
    Width:
    56.5 mm
    Depth:
    17.2 mm +7.1 mm versus Optimus F3
  2. 2. Optimus F3

    Height:
    116.1 mm
    Width:
    62 mm +5.5 mm versus Echo
    Depth:
    10.1 mm

Weight

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

  1. 1. Echo

    193 g

    +79.6 g versus Optimus F3

  2. 2. Optimus F3

    113.4 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. Echo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Optimus F3

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Optimus F3 has approximately 30.6% more rectangular screen area than Echo.

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 Echo, Optimus F3, compared at the same storage capacity.
StorageEchoOptimus F3
4 GB Unknown 1 GB RAM
Echo: Original memory entry

1 GB · 512 MB 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. Echo

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

2. Optimus F3

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. Echo

    1370 mAh

  2. 2. Optimus F3

    2460 mAh

    +1090 mAh versus Echo

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. Echo2. Optimus F3

Everyday essentials
Everyday essentials — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Dimensions (HxWxD)
  • 115 Х 56.5 Х 17.2 mm
  • 116.1 Х 62 Х 10.1 mm
Weight
  • 193 g
  • 113.4 g
Technology
  • Dual TFT s
  • IPS LCD
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1370 mAh
  • Removable Li-Ion
  • 2460 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • upgradable to 2.3 (Gingerbread)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 34.9 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 53.7%
  • 63.3%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Screen protection Unknown
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance

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

Performance — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.2 GHz Krait
Graphics processor GPU
  • Adreno 200
  • Adreno 305
Antutu 7 score * Unknown
  • 9217
General specs
General specs — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Release date
  • 2011
  • March
  • 2013
  • June
Colors
  • Black
  • Purple
  • Titanium
  • Black (T-Mobile)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 7 h
  • Stand by time- Up to 456 h Talking time- Up to 16 h
Communication and Connectivity
Communication and Connectivity — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900
  • Show all network frequencies: -2G - CDMA 800 / 1900 - LS720 GSM 850 / 900 / 1800 / 1900 - for T-Mobile -3G - CDMA2000 1xEV-DO - LS720 HSDPA 850 / 1700 / 1900 / 2100 - for T-Mobile -4G - LTE band 25(1900) - LS720 LTE band 4(1700/2100)
  • 17(700) - T-Mobile
  • MetroPCS
Speed
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • No
  • Class 12 (T-Mobile)
Edge
  • No
  • Class 12 (T-Mobile)
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot (charges may apply)
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Radio
  • No
  • No
Others
  • Simul-Task Mode – choose 2 of the Echo's 7 core apps and run one on each display simultaneously. -Optimized Mode – apps let the dual displays complement each other
  • like email on one and a full virtual keypad on the other. -Tablet Mode – dual displays act as a single (4.7 inches diagonally
  • 800 x 96
Unknown
Other features
Other features — specifications for Echo, Optimus F3.
SpecificationEchoOptimus F3
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/AAC+ player -MP4/H.263 player -Organizer -Voice memo -Predictive text input - For Sprint Also known as Kyocera M9300
  • Sensors Accelerometer
  • proximity - LS720 for Sprint Also available for Virgin Mobile
  • MetroPCS (LG MS659) and T-Mobile USA