HTC U Ultra vs Lenovo K6 Power

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

    K6 Power: 25 g lighter

    U Ultra:
    170 g
    K6 Power:
    145 g
  • Width

    K6 Power: 9.5 mm narrower

    U Ultra:
    79.8 mm
    K6 Power:
    70.3 mm
  • Screen diagonal

    K6 Power: 0.7 in smaller diagonal

    U Ultra:
    5.7 in
    K6 Power:
    5 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    K6 Power:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Depth

    U Ultra: 1.3 mm thinner

    U Ultra:
    8 mm
    K6 Power:
    9.3 mm
  • Height

    K6 Power: 20.5 mm shorter

    U Ultra:
    162.4 mm
    K6 Power:
    141.9 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 +20.5 mm versus K6 Power
    Width:
    79.8 mm +9.5 mm versus K6 Power
    Depth:
    8 mm
  2. 2. K6 Power

    Height:
    141.9 mm
    Width:
    70.3 mm
    Depth:
    9.3 mm +1.3 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +25 g versus K6 Power

  2. 2. K6 Power

    145 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. K6 Power

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

U Ultra has approximately 30% more rectangular screen area than K6 Power.

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

K6 Power: Original memory entry

32 GB · 3 GB RAM 16 GB · 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. U Ultra

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

2. K6 Power

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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

  2. 2. K6 Power

    4000 mAh

    +1000 mAh versus U Ultra

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. K6 Power

Everyday essentials
Everyday essentials — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 141.9 Х 70.3 Х 9.3 mm
Weight
  • 170 g
  • 145 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.7" inch
  • 5" inch
Screen resolution
  • 1440 x 2560 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat)
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.7%
  • 69.1%
PPI /points per inch/
  • 513 PPI
  • 441 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
Unknown
Camera and Video
Camera and Video — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Rear camera, main
  • 12 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 13 MP
  • PDAF
Functions
  • Auto-HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 16 MP
  • 8 MP
Performance

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

Performance — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 530
  • Adreno 505
Antutu 7 score *
  • 168385
  • 42153
GeekBench 4 Single Core *
  • 1662
  • 624
GeekBench 4 Multi-Core *
  • 3920
  • 2284
GeekBench 4 RenderScript *
  • 7174
  • 1949
GeekBench 5 Single Core *
  • 302
  • 122
GeekBench 5 Multi-Core *
  • 795
  • 591
General specs
General specs — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Release date
  • 2017
  • January
  • 2016
  • September
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Silver
  • Gold
  • Dark Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 170 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
  • Stand by time- Up to 649 h (3G) Talking time- Up to 50 h (2G) / Up to 33 h (3G)
Body build
  • Front/back glass
  • aluminum frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for U Ultra, K6 Power.
SpecificationU UltraK6 Power
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass