alcatel OT-991 vs verykool RS75

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    RS75: 11.3 g lighter

    OT-991:
    131.3 g
    RS75:
    120 g
  • Width

    RS75: 3.3 mm narrower

    OT-991:
    68 mm
    RS75:
    64.7 mm
  • Screen diagonal

    RS75: 0.5 in smaller diagonal

    OT-991:
    4 in
    RS75:
    3.5 in
  • Depth

    OT-991: 1.7 mm thinner

    OT-991:
    10.8 mm
    RS75:
    12.5 mm
  • Release year

    OT-991:
    2012
    RS75:
    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. OT-991

    Height:
    122 mm
    Width:
    68 mm +3.3 mm versus RS75
    Depth:
    10.8 mm
  2. 2. RS75

    Height:
    121.6 mm
    Width:
    64.7 mm
    Depth:
    12.5 mm +1.7 mm versus OT-991

Weight

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

  1. 1. OT-991

    131.3 g

    +11.3 g versus RS75

  2. 2. RS75

    120 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. OT-991

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. RS75

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

OT-991 has approximately 30.6% more rectangular screen area than RS75.

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.

OT-991: Original memory entry

150 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. OT-991

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. RS75

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. OT-991

    1500 mAh

    +150 mAh versus RS75

  2. 2. RS75

    1350 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. OT-9912. RS75

Everyday essentials
Everyday essentials — specifications for OT-991, RS75.
SpecificationOT-991RS75
Dimensions (HxWxD)
  • 122 Х 68 Х 10.8 mm
  • 121.6 Х 64.7 Х 12.5 mm
Weight
  • 131.3 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 150 MB
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android 2.3 (Gingerbread)
Chipset
  • Mediatek MT6573 (65 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-991, RS75.
SpecificationOT-991RS75
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 47.6 cm2
  • 36.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 57.4%
  • 46.4%
PPI /points per inch/
  • 144 PPI
  • 165 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for OT-991, RS75.
SpecificationOT-991RS75
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for OT-991, RS75.
SpecificationOT-991RS75
Processor CPU
  • 800 MHz Cortex-A9
  • 1.0 GHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for OT-991, RS75.
SpecificationOT-991RS75
Release date
  • 2012
  • February
  • 2013
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 12 h (2G) / Up to 10 h (3G)
  • Stand by time- Up to 120 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for OT-991, RS75.
SpecificationOT-991RS75
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR EU - 0.54 W/kg (head) 0.84 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-991, RS75.
SpecificationOT-991RS75
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for OT-991, RS75.
SpecificationOT-991RS75
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264 player -Document viewer -Photo viewer/editor -Organizer -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity - IP67 dust/water resistant (up to 1m for 30 mins) -Flashlight