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    Omnivision OV64A vs OV64B vs OV64C – Specs Comparison

    In this post, we objectively compare the Omnivision OV64A vs OV64B vs OV64C smartphone camera sensors, which are expected soon.

    Also Read: Samsung ISOCELL HM3 vs HM2 vs Sony IMX686

    The world’s third-largest mobile phone image sensor company is OmniVision. This company announced three image sensors based on the PureCel®Plus chip stacking technology and electronic image stabilization (EIS) technology to equip high-end smartphones with superior quality image capture as well as 4K (& 8K) video performance. Names of these image sensors are OV64A, OV64B, and OV64C. Now let’s get into the details of each of these sensors and then look at their comparison:

    Omnivision OV64A:

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    This first 64MP mobile phone sensor comes with a 1.0 µm pixel size. Due to the huge pixel size, there is an enhancement in the low-light performance of smartphones. What makes it so exceptional is that it supports 8K resolution @ 30 fps. OV64A comes with a class-leading optical format i.e.,1/1.34″.

    When compared with the 0.8 µm 64MP image sensor, the 1.0 µm pixel size of OV64A offers 60% more sensitivity. Such large optics and high resolution offer the greatest possible performance in low-light conditions. So, this sensor is suitable for wide and ultra-wide main cameras equipped in high-end smartphones.

    Features:

    • Implemented with OmniVision’s PureCel®Plus-S stacked die technology, this sensor incorporates an on-chip, hardware remosaic, and 4-cell (4C) color filter array. So, this sensor offers superior quality, 64 MP Bayer output, or 8K video output in real-time.
    • During low light conditions, the OV64A sensor can use near-pixel binning to deliver an output of 16 MP image for the 4K2K video along with four times the sensitivity. So, it yields 2.0 µm equivalent low-light performance for video and preview.
    • Features like 3-exposure control, 4-cell HDR with an on-chip combination and tone mapping, and extremely fast frame rate work collectively to remove motion artifacts. These features help the sensor to produce the best 64 MP signal-to-noise ratio (SNR).
    • OV64A provides a 2- and 3-exposure staggered HDR timing option. So, smartphone designers obtain great flexibility to choose the finest HDR method for a particular scene.
    • Additional features are 4C half-shield phase-detection for fast autofocus support, and CPHY and DPHY interfaces.

    Omnivision OV64B:

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    This 64 MP image sensor comes with a 0.7 µm pixel size as well as a 1/2″ optical format. These key features enable high-end mobile designers to design the thinnest possible smartphones with high-resolution cameras i.e. 64 MP.

    Implemented with OmniVision’s PureCel®Plus stacked die technology, the OV64B sensor generates leading-edge still image captures as well as outstanding 4K video recordings with electronic image stabilization (EIS). Due to these features, OV64B is a perfect sensor for the wide, ultra-wide, main, or telephoto rear-facing camera present in multicamera configurations.

    Features:

    • There is support for 3 stage exposure, staggered HDR timing for up to 16 MP video modes.
    • The integration of on-chip hardware re-mosaic and a 4-cell color filter array generates superior quality, 64MP quad Bayer output in real-time.
    • During low light conditions, OV64A sensor use near-pixel binning to deliver 16 MP image output with four times sensitivity. Consequently, it offers 1.4 µm equivalent performance for previews as well as still captures.
    • When capturing the best quality images, the sensor enables 2x digital crop zoom with the 16 MP resolution as well as a fast mode switch.
    • Type-2, 2×2 microlens phase detection autofocus (ML-PDAF) boosts autofocus accuracy, chiefly in low light. Also, it offers a CPHY interface for high throughput through fewer pins.
    • There is support for slow motion video for 1080p @ 240 fps and 720p @ 480 fps.

    Omnivision OV64C:

    Image Source: Omnivision

    This high-performance 64 MP image sensor features a 0.8 µm pixel size to power high-resolution smartphone cameras with an optical format of 1/1.7″.

    Designed on OmniVision’s PureCel®Plus stacked die technology, OV64C offers leading-edge still image capture as well as outstanding 4K video performance with electronic image stabilization (EIS) suitable for high-end smartphones.

    4-cell remosaic facilitates full resolution Bayer output. The CPHY interface offers high throughput by utilizing fewer pins. This interface makes this sensor ideal for the main rear-facing camera present in multicamera configurations.

    Features:

    • The integration of hardware re-mosaic and an on-chip 4-cell color filter array offers high-quality, 64MP Bayer output in real-tons; OV64C uses near-pixel binning to deliver 16 MP image output four times sensitive during low-light conditionality. It provides 1.6 µm equivalent performance for still and preview captures.
    • 2x digital crop zoom feature is supported with a fast mode switch and 16MP resolution.
    • Type-2, 2×2 microlens phase detection autofocus (ML-PDAF) boosts autofocus accuracy, chiefly in low light conditions.
    • There is support for 3-exposure, staggered HDR timing for up to 16 MP video modes.

    Comparison of Omnivision OV64A vs OV64B vs OV64C:

    Features

    OmniVision
    OV64A

    OmniVision
    OV64B

    OmniVision
    OV64C

    TechnologyPureCel®Plus-SPureCel®Plus-S
    HDR
    PureCel®Plus-S
    HDR
    Resolution64 MP64 MP64 MP
    Pixel size1.008 µm0.702 µm0.801 µm
    Image Area9354.24 x 7031.808 μm6514.56 x 4897.152 μm7433.28 x 5587.776 µm
    Color filter4-cell (4C) color filter array4-cell color filter array4-cell color filter array
    Optical format1/1.32″1/2″1/1.7″
    Normal frame rateFull @ 15 fpsFull @ 15 fpsFull @ 15 fps
    Video frame rate16 MP with 4C binning @ 60 fps, 4K2K video @ 120 fps, 8K video @ 30 fps, 1080p @ 240 fps and 720p @ 480 fps1080p @ 240 fps, 720p @ 480 fps, 8K @ 30 fps, 16 MP captures with 4-cell binning @ 30 fps, 4K@ 60 fps and 4K video with EIS @ 30 fps8K video @ 30 fps, 16MP captures with 4-cell binning @ 30 fps, 4K video @ 60 fps and 4K video with EIS @ 30 fps
    Shutter typeRolling ShutterRolling ShutterRolling Shutter
    ADC accuracy10 bits10 bits10 bits
    InterfaceMIPISCCB
    MIPI
    MIPI
    AutofocusFast autofocusMicrolens phase detection autofocus (ML-PDAF)Microlens phase detection autofocus (ML-PDAF)
    Output formats10-bit HDR RGB RAWRAWRAW
    ChromaColorColor
    4-Cell
    RGB Bayer
    4-Cell
    Operating temperature-30°C to +85°C-30°C to +85°C-30°C to +85°C
    Power requirementStandby: <10 µW
    Active: ~765 mV (64MP @ 15 fps)
    Standby: <10 µA
    Active: 647 mW (64MP @ 15 fps)
    Standby: <12 µA
    Active: 790 mW (64MP @ 16 fps)

    Concluding Note:

    The large pixel size of 1.0 µm in OV64A offers great sensitivity and superior low-light performance. It is an ideal choice for high-end smartphones. OV64B and OV64C offer excellent autofocus accuracy in low-light conditions.

    OV64B offers 1.4 µm equivalent performance for still and previews capture whereas OV64C offers 1.6 µm equivalent performance for still and previews capture.

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