Lenovo K900 vs Motorola ROKR E8

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

    ROKR E8: 62 g lighter

    K900:
    162 g
    ROKR E8:
    100 g
  • Width

    ROKR E8: 25 mm narrower

    K900:
    78 mm
    ROKR E8:
    53 mm
  • Screen diagonal

    ROKR E8: 3.5 in smaller diagonal

    K900:
    5.5 in
    ROKR E8:
    2 in
  • Depth

    K900: 3.7 mm thinner

    K900:
    6.9 mm
    ROKR E8:
    10.6 mm
  • Height

    ROKR E8: 42 mm shorter

    K900:
    157 mm
    ROKR E8:
    115 mm
  • Release year

    K900:
    2013
    ROKR E8:
    2007

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. K900

    Height:
    157 mm +42 mm versus ROKR E8
    Width:
    78 mm +25 mm versus ROKR E8
    Depth:
    6.9 mm
  2. 2. ROKR E8

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    10.6 mm +3.7 mm versus K900

Weight

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

  1. 1. K900

    162 g

    +62 g versus ROKR E8

  2. 2. ROKR E8

    100 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. K900

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. ROKR E8

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

K900 has approximately 573.2% more rectangular screen area than ROKR E8.

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 K900, ROKR E8, compared at the same storage capacity.
StorageK900ROKR E8
16 GB 2 GB RAM Unknown
32 GB 2 GB RAM Unknown
ROKR E8: Original memory entry

2 GB

Practical features

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

1. K900

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

2. ROKR E8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (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. K900

    2500 mAh

    +1530 mAh versus ROKR E8

  2. 2. ROKR E8

    970 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. K9002. ROKR E8

Everyday essentials
Everyday essentials — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Dimensions (HxWxD)
  • 157 Х 78 Х 6.9 mm
  • 115 Х 53 Х 10.6 mm
Weight
  • 162 g
  • 100 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 2" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 2 GB
Memory card support
  • No
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 970 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Linux / Java-based MOTOMAGX
Chipset
  • Intel Atom Z2580
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 12.4 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 68.1%
  • 20.3%
PPI /points per inch/
  • 401 PPI
  • 200 PPI
Screen protection
  • Corning Gorilla Glass 2
Unknown
Camera and Video
Camera and Video — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 2 MP
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Processor CPU
  • Dual-core 2.0 GHz
Unknown
Graphics processor GPU
  • PowerVR SGX544MP2
Unknown
Antutu 7 score *
  • 27313
Unknown
General specs
General specs — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Release date
  • 2013
  • January. Released 2013
  • April
  • 2007
  • September
Colors
  • Black/Gray
  • Dark Navy
  • Platinum
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 360 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 300 h (2G) / Up to 300 h (3G) Talking time- Up to 15 h (2G) / Up to 12 h (3G)
  • Stand by time- Up to 300 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB Host
  • 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.02 W/kg (head) 0.85 W/kg (body) SAR EU - 0.89 W/kg (head)
Music and Audio
Music and Audio — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Radio
  • Stereo FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
  • ModeShift morphing keypad -Navigation scroll wheel
Other features
Other features — specifications for K900, ROKR E8.
SpecificationK900ROKR E8
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • MP3/AAC player -Organizer