Lenovo K8 Note vs Sony Xperia U

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

    Xperia U: 70 g lighter

    K8 Note:
    180 g
    Xperia U:
    110 g
  • Width

    Xperia U: 21.9 mm narrower

    K8 Note:
    75.9 mm
    Xperia U:
    54 mm
  • Screen diagonal

    Xperia U: 2 in smaller diagonal

    K8 Note:
    5.5 in
    Xperia U:
    3.5 in
  • Rear camera layout

    K8 Note:
    Dual
    Xperia U:
    Single
  • Depth

    K8 Note: 3.5 mm thinner

    K8 Note:
    8.5 mm
    Xperia U:
    12 mm
  • Height

    Xperia U: 42.5 mm shorter

    K8 Note:
    154.5 mm
    Xperia U:
    112 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. K8 Note

    Height:
    154.5 mm +42.5 mm versus Xperia U
    Width:
    75.9 mm +21.9 mm versus Xperia U
    Depth:
    8.5 mm
  2. 2. Xperia U

    Height:
    112 mm
    Width:
    54 mm
    Depth:
    12 mm +3.5 mm versus K8 Note

Weight

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

  1. 1. K8 Note

    180 g

    +70 g versus Xperia U

  2. 2. Xperia U

    110 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. K8 Note

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Xperia U

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

K8 Note has approximately 146.9% more rectangular screen area than Xperia U.

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.

K8 Note: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

Xperia U: Original memory entry

8 GB (4 GB user available) · 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. K8 Note

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Xperia U

NFC:
Unknown
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. K8 Note

    4000 mAh

    +2680 mAh versus Xperia U

  2. 2. Xperia U

    1320 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. K8 Note2. Xperia U

Everyday essentials
Everyday essentials — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Dimensions (HxWxD)
  • 154.5 Х 75.9 Х 8.5 mm
  • 112 Х 54 Х 12 mm
Weight
  • 180 g
  • 110 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 8 GB (4 GB user available)
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1320 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6797D Helio X23 (20 nm)
  • NovaThor U8500
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 33.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.1%
  • 55.8%
PPI /points per inch/
  • 401 PPI
  • 280 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/1.7
  • PDAF -5 MP
  • depth sensor
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • VGA
Performance

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

Performance — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Processor CPU
  • Deca-core 2.3 GHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-T880 MP4
  • Mali-400
Antutu 7 score *
  • 90722
  • 9020
GeekBench 4 Single Core *
  • 1476
  • 275
GeekBench 4 Multi-Core *
  • 4067
  • 493
GeekBench 4 RenderScript *
  • 3243
Unknown
GeekBench 5 Single Core *
  • 218
Unknown
GeekBench 5 Multi-Core *
  • 950
Unknown
General specs
General specs — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Release date
  • 2017
  • August
  • 2012
  • February
Colors
  • Fine Gold
  • Venom Black
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 140 EUR
Battery life
  • Stand by time- Up to 378 h (3G) Talking time- Up to 25 h (3G)
  • Stand by time- Up to 260 h (2G) / Up to 472 h (3G) Talking time- Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play - Up to 45 h
Body build
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 14.4/5.76 Mbps
GPRS
  • Yes
  • Up to 107 kbps
Edge
  • Yes
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Music and Audio
Music and Audio — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Dolby Atmos audio enhancement -Active noise cancellation with dedicated mic
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Other features
Other features — specifications for K8 Note, Xperia U.
SpecificationK8 NoteXperia U
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Turbo Charge) - Splash Resistant
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat