O2 Cosmo vs Xiaomi Redmi Note 4

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

    Cosmo: 35 g lighter

    Cosmo:
    130 g
    Redmi Note 4:
    165 g
  • Width

    Cosmo: 14 mm narrower

    Cosmo:
    62 mm
    Redmi Note 4:
    76 mm
  • Screen diagonal

    Cosmo: 3.1 in smaller diagonal

    Cosmo:
    2.4 in
    Redmi Note 4:
    5.5 in
  • Chipset

    Cosmo:
    TI OMAP 850
    Redmi Note 4:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Depth

    Redmi Note 4: 4.5 mm thinner

    Cosmo:
    13 mm
    Redmi Note 4:
    8.5 mm
  • Height

    Cosmo: 40 mm shorter

    Cosmo:
    111 mm
    Redmi Note 4:
    151 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. Cosmo

    Height:
    111 mm
    Width:
    62 mm
    Depth:
    13 mm +4.5 mm versus Redmi Note 4
  2. 2. Redmi Note 4

    Height:
    151 mm +40 mm versus Cosmo
    Width:
    76 mm +14 mm versus Cosmo
    Depth:
    8.5 mm

Weight

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

  1. 1. Cosmo

    130 g

  2. 2. Redmi Note 4

    165 g

    +35 g versus Cosmo

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. Cosmo

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. Redmi Note 4

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

Redmi Note 4 has approximately 367.5% more rectangular screen area than Cosmo.

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.

Cosmo: Original memory entry

64 MB RAM · 128 MB ROM

Redmi Note 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)

Practical features

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

1. Cosmo

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Redmi Note 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Cosmo2. Redmi Note 4

Everyday essentials
Everyday essentials — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Dimensions (HxWxD)
  • 111 Х 62 Х 13 mm
  • 151 Х 76 Х 8.5 mm
Weight
  • 130 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM; 64 GB
  • 3 GB RAM (China only)
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 Smartphone
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset
  • TI OMAP 850
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 17.8 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 25.9%
  • 72.7%
PPI /points per inch/
  • 167 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Processor CPU
  • 200 MHz ARM926EJ-S
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 76000
GeekBench 4 Single Core * Unknown
  • 1475
GeekBench 4 Multi-Core * Unknown
  • 4010
GeekBench 4 RenderScript * Unknown
  • 3151
Antutu 8 score * Unknown
  • 102376
GeekBench 5 Single Core * Unknown
  • 171
GeekBench 5 Multi-Core * Unknown
  • 917
General specs
General specs — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Release date
  • 2006
  • September
  • 2017
  • January
Colors Unknown
  • Dark Gray
  • Gold
  • Black
  • Lake Blue (64/4GB model)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Radio
  • No
  • FM radio
Others
  • HTC JOGGR touch-sensitive navigation bar
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Cosmo, Redmi Note 4.
SpecificationCosmoRedmi Note 4
Dop
  • Infrared port - MP3/AAC player -Pocket Office -Predictive text input -Organizer - HTC Excalibur platform
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.