HTC U Ultra vs Motorola ROKR E2

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 E2: 63 g lighter

    U Ultra:
    170 g
    ROKR E2:
    107 g
  • Width

    ROKR E2: 30.3 mm narrower

    U Ultra:
    79.8 mm
    ROKR E2:
    49.5 mm
  • Screen diagonal

    ROKR E2: 3.7 in smaller diagonal

    U Ultra:
    5.7 in
    ROKR E2:
    2 in
  • Depth

    U Ultra: 10 mm thinner

    U Ultra:
    8 mm
    ROKR E2:
    18 mm
  • Height

    ROKR E2: 56.4 mm shorter

    U Ultra:
    162.4 mm
    ROKR E2:
    106 mm
  • Release year

    U Ultra:
    2017
    ROKR E2:
    2006

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 +56.4 mm versus ROKR E2
    Width:
    79.8 mm +30.3 mm versus ROKR E2
    Depth:
    8 mm
  2. 2. ROKR E2

    Height:
    106 mm
    Width:
    49.5 mm
    Depth:
    18 mm +10 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +63 g versus ROKR E2

  2. 2. ROKR E2

    107 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. ROKR E2

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

U Ultra has approximately 623.1% more rectangular screen area than ROKR E2.

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

ROKR E2: Original memory entry

10 MB

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. ROKR E2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details SD · up to 2 GB

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

    +2150 mAh versus ROKR E2

  2. 2. ROKR E2

    850 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. ROKR E2

Everyday essentials
Everyday essentials — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 106 Х 49.5 Х 18 mm
Weight
  • 170 g
  • 107 g
Technology
  • Super LCD5
  • TFT
Screen size
  • 5.7" inch
  • 2" inch
Screen resolution
  • 1440 x 2560 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 10 MB
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • SD
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 850 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Linux
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 90.3 cm2
  • 12.4 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 69.7%
  • 23.6%
PPI /points per inch/
  • 513 PPI
  • 200 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, ROKR E2.
SpecificationU UltraROKR E2
Rear camera, main
  • 12 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 1.3 MP
Functions
  • Auto-HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0 MP,
Specifications
  • 16 MP
Unknown
Performance

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

Performance — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Adreno 530
Unknown
Antutu 7 score *
  • 168385
Unknown
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, ROKR E2.
SpecificationU UltraROKR E2
Release date
  • 2017
  • January
  • 2006
  • January
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
  • Stand by time- Up to 200 h Talking time- Up to 4 h 30 min
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
SIM card
  • Hybrid 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 / 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)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 6
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • No
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • miniUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U Ultra, ROKR E2.
SpecificationU UltraROKR E2
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • MP4/MP3 player -iTAP -Voice memo -Voice dial -Organizer -Changeable covers