Kyocera DuraForce XD vs verykool RS90

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

    RS90: 106 g lighter

    DuraForce XD:
    307 g
    RS90:
    201 g
  • Width

    RS90: 10.8 mm narrower

    DuraForce XD:
    86.4 mm
    RS90:
    75.6 mm
  • Screen diagonal

    RS90: 1.2 in smaller diagonal

    DuraForce XD:
    5.7 in
    RS90:
    4.5 in
  • Depth

    RS90: 1.8 mm thinner

    DuraForce XD:
    13.9 mm
    RS90:
    12.1 mm
  • Height

    RS90: 22.8 mm shorter

    DuraForce XD:
    166.8 mm
    RS90:
    144 mm
  • Release year

    DuraForce XD:
    2015
    RS90:
    2013

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. DuraForce XD

    Height:
    166.8 mm +22.8 mm versus RS90
    Width:
    86.4 mm +10.8 mm versus RS90
    Depth:
    13.9 mm +1.8 mm versus RS90
  2. 2. RS90

    Height:
    144 mm
    Width:
    75.6 mm
    Depth:
    12.1 mm

Weight

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

  1. 1. DuraForce XD

    307 g

    +106 g versus RS90

  2. 2. RS90

    201 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. DuraForce XD

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. RS90

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

DuraForce XD has approximately 60.4% more rectangular screen area than RS90.

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 DuraForce XD, RS90, compared at the same storage capacity.
StorageDuraForce XDRS90
16 GB 2 GB RAM Unknown
RS90: 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. DuraForce XD

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. RS90

NFC:
Unknown
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. DuraForce XD

    3700 mAh

    +1900 mAh versus RS90

  2. 2. RS90

    1800 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. DuraForce XD2. RS90

Everyday essentials
Everyday essentials — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Dimensions (HxWxD)
  • 166.8 Х 86.4 Х 13.9 mm
  • 144 Х 75.6 Х 12.1 mm
Weight
  • 307 g
  • 201 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 2 GB
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3700 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8928 Snapdragon 400 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 89.6 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.1%
  • 51.3%
PPI /points per inch/
  • 258 PPI
  • 245 PPI
Screen protection
  • Yes
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance
Performance — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Processor CPU
  • Quad-core 1.6 GHz Cortex-A7
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 305
Unknown
General specs
General specs — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Release date
  • 2015
  • October
  • 2013
Colors
  • Black
  • Black
Battery life
  • Stand by time- Up to 816 h (3G) Talking time- Up to 23 h (3G)
  • Stand by time- Up to 192 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
SIM card
  • Nano-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 - AT&T
  • T-Mobile -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 17(700)
  • 20(800)
  • 29(700) - AT&T LTE band 1(2100)
  • 12(700)
  • 29(700) - T-Mobile
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac//r/k
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.1
  • A2DP
  • EDR
  • LE
  • 2.1
Music and Audio
Music and Audio — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for DuraForce XD, RS90.
SpecificationDuraForce XDRS90
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant
  • Sensors Accelerometer
  • proximity - IP67 dust/water resistant (up to 1m for 30 mins) -Flashlight