HTC U Ultra vs LG Optimus F6

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 F6: 44 g lighter

    U Ultra:
    170 g
    Optimus F6:
    126 g
  • Width

    Optimus F6: 13.9 mm narrower

    U Ultra:
    79.8 mm
    Optimus F6:
    65.9 mm
  • Screen diagonal

    Optimus F6: 1.2 in smaller diagonal

    U Ultra:
    5.7 in
    Optimus F6:
    4.5 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Optimus F6:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Depth

    U Ultra: 2.2 mm thinner

    U Ultra:
    8 mm
    Optimus F6:
    10.2 mm
  • Height

    Optimus F6: 34.4 mm shorter

    U Ultra:
    162.4 mm
    Optimus F6:
    128 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. U Ultra

    Height:
    162.4 mm +34.4 mm versus Optimus F6
    Width:
    79.8 mm +13.9 mm versus Optimus F6
    Depth:
    8 mm
  2. 2. Optimus F6

    Height:
    128 mm
    Width:
    65.9 mm
    Depth:
    10.2 mm +2.2 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +44 g versus Optimus F6

  2. 2. Optimus F6

    126 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. U Ultra

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. Optimus F6

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

U Ultra has approximately 60.4% more rectangular screen area than Optimus F6.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

U Ultra: Original memory entry

64/128 GB · 512GB 4GB

Optimus F6: Original memory entry

4 GB · 1 GB RAM (D500)/ 8 GB · 1 GB RAM (D505)

Practical features

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

1. U Ultra

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. Optimus F6

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. U Ultra

    3000 mAh

    +540 mAh versus Optimus F6

  2. 2. Optimus F6

    2460 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. U Ultra2. Optimus F6

Everyday essentials
Everyday essentials — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 128 Х 65.9 Х 10.2 mm
Weight
  • 170 g
  • 126 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.7" inch
  • 4.5" inch
Screen resolution
  • 1440 x 2560 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 4 GB
  • 1 GB RAM (D500)/ 8 GB
  • 1 GB RAM (D505)
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 2460 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 4.1.2 (Jelly Bean); LG Optimus UI 4
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.7%
  • 66.2%
PPI /points per inch/
  • 513 PPI
  • 245 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Rear camera, main
  • 12 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 5 MP
  • AF (D500) -8 MP
  • AF (D505)
Functions
  • Auto-HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 16 MP
  • 1.3 MP
Performance

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

Performance — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Dual-core 1.2 GHz Krait
Graphics processor GPU
  • Adreno 530
  • Adreno 305
Antutu 7 score *
  • 168385
  • 13188
GeekBench 4 Single Core *
  • 1662
Unknown
GeekBench 4 Multi-Core *
  • 3920
Unknown
GeekBench 4 RenderScript *
  • 7174
Unknown
GeekBench 5 Single Core *
  • 302
Unknown
GeekBench 5 Multi-Core *
  • 795
Unknown
General specs
General specs — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Release date
  • 2017
  • January
  • 2013
  • August
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
  • Stand by time- Up to 540 h (2G) / Up to 540 h (3G) Talking time- Up to 15 h (2G) / Up to 10 h (3G)
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700 / 1900 / 2100 - D500 HSDPA 850 / 900 / 1900 / 2100 - D505 -4G - LTE band 4(1700/2100)
  • 17(700) - D500 LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - D505
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • DLNA
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.98 W/kg (head) 1.28 W/kg (body) SAR EU - 0.56 W/kg (head) 0.57 W/kg (body)
Music and Audio
Music and Audio — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for U Ultra, Optimus F6.
SpecificationU UltraOptimus F6
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Accelerometer
  • proximity
  • compass - Versions: LG Optimus F6 D505 for Europe
  • EMEA LG Optimus F6 D500 for T-Mobile