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OpenCL 3.0 reset the standard around OpenCL 1.2. Khronos made every capability introduced after 1.2 optional and discoverable, so an “OpenCL 3.0” device is not automatically an OpenCL 2.x feature-complete device. The provisional specification was announced on April 27, 2020; the final specification followed on September 30, 2020.
What OpenCL 3.0 changed
Khronos’ April 27, 2020 announcement described OpenCL 3.0 as a portability-focused realignment. OpenCL 1.2 became the mandatory baseline, while functionality added after 1.2 could be implemented selectively by vendors. The goal was to make a broadly deployable core without forcing every device and market to carry the complete OpenCL 2.x feature set.
That policy is the “reset.” OpenCL 3.0 did not erase the later features from the standard. Instead, the unified specification defines them while implementations expose the ones they support and let applications query their availability. Khronos also said existing OpenCL 2.x implementations could continue shipping those capabilities with backward compatibility. Khronos’ announcement quotes OpenCL Working Group Chair Neil Trevett: “OpenCL 2.X delivers significant functionality, but OpenCL 1.2 has proven itself as the baseline needed by all vendors and markets.”
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| Milestone | Date | What happened |
|---|---|---|
| Provisional OpenCL 3.0 | April 27, 2020 | Khronos released specifications for public feedback and announced the optional-feature model. |
| Final OpenCL 3.0 | September 30, 2020 | Khronos finalized the specification after feedback, expanded conformance-test coverage, and released an initial open-source OpenCL SDK. |
The finalization announcement is available from the Khronos OpenCL Working Group.
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- Support NVIDIA Surround technology for 4 screens output by dual HDMI and VGA / DP. HDMI Max Resolution-2560x1600, VGA Max Resolution-2048x1536, DP Max Resolution-2560x1600
- Support DirectX 12, OpenGL 4.6, CUDA, OpenCL, DirectCompute and DirectML
- Original half height bracket matches with the low profile brackets make the Glorto GeForce GT 730 graphics card fit well with all PC tower, small form factor and HTPC(except micro form factor)
What features are optional in OpenCL 3.0?
All functionality introduced after OpenCL 1.2 is optional. That includes capabilities associated with OpenCL 2.x and later additions, rather than a single mandatory bundle that every 3.0 implementation must provide. A version string therefore tells you the standard profile being exposed, not the complete list of usable features.
For an application, the relevant question is whether the target device and driver support each capability it needs. The unified API specification documents the required queries and optional feature mechanisms: OpenCL API specification.
Does OpenCL 3.0 support OpenCL 1.2 apps?
Yes. Khronos states that OpenCL 1.2 applications continue to run unchanged on OpenCL 3.0 devices. This gives developers a stable portability floor while allowing newer code paths where hardware and drivers provide them.
Rank #2
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- Compatible with windows 11 system, no need to download driver manually
- HDMI / VGA 2 ports output available. HDMI Max Resolution-2560x1600, VGA Max Resolution-2048x1536
- Support DirectX 11, OpenCL, CUDA, DirectCompute 5.0
- Original half height bracket matches with the low profile brackets make the Glorto GeForce GT 610 graphics card fit well with all PC tower, small form factor and HTPC(except micro form factor)
Compatibility with 1.2 does not mean that post-1.2 functionality is present. Code that relies on newer APIs, language features, or execution models must detect support and provide an alternative when it is absent.
How developers should target OpenCL 3.0
- Keep an OpenCL 1.2 baseline. Make the core path depend only on functionality required by that baseline when broad device coverage matters.
- Query API capabilities. At runtime, inspect the relevant device and platform properties instead of inferring support from the “3.0” label.
- Check compiler support. For OpenCL C, use the feature macros defined for the language implementation and request the appropriate language mode when needed.
- Select an accelerated path conditionally. Enable subgroups, newer memory or execution features, and other optional capabilities only after their checks succeed.
- Define a fallback. Keep a 1.2-compatible kernel or host-side route for devices that do not expose the optional feature.
OpenCL C 3.0 is backward compatible with OpenCL C 1.2, but not with OpenCL C 2.0. If a program requires the 3.0 language mode, it must request that mode through the build options supported by the implementation. The API specification describes the language and feature-query rules.
What else was new in OpenCL 3.0?
A unified specification
Khronos consolidated multiple OpenCL generations in one specification format. Developers can consult one document while still distinguishing mandatory 1.2 functionality from optional later features.
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- Complete Package & Reliable Support: Includes the graphics card, both low-profile and standard brackets, a quick start guide, and screwdriver, which make it simple and quick setup process.
OpenCL C 3.0
The release paired the API reset with a corresponding OpenCL C 3.0 language specification and feature macros that allow compiler capabilities to be detected.
Subgroups in core
Subgroup functionality was integrated into the core specification, subject to the optional-feature model where applicable.
Asynchronous-copy extensions
Khronos highlighted asynchronous data-copy extensions aimed at a newer class of embedded processors. Their availability remains implementation-dependent.
Rank #4
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- The GeForce GT 730 supports DirectX 12, compatible with Windows 11, 10, 8, 7, XP. It's easy to install and update driver. Latest Driver Version: 475.14. Release Date: Tue Jul 09, 2024.
- The discrete video card has 4 outputs interfaces, dual HDMI, DisplayPort and removable VGA, supports up to 4 displays simultaneously. Building multi-screen displays is one way to increase efficiency for complex work windows.
- Computer graphics card is single slot with PCIe x8. Low profile graphics card will fit small form factor cases. Small fan operates slowly and quietly provide heat dissipation for printed circuit boards.
- The low end card is designed for office work or entry level computer, supports HDCP to play HD 4K streaming content. It doesn't need additional power connector, will be an excellent option for budget level graphics cards for non-gamers.
What to compare when choosing an implementation
For a real deployment, compare the features your workload actually uses rather than comparing version labels alone.
- Required device feature queries and optional extensions
- OpenCL C compiler and language-mode support
- SPIR-V ingestion or other intermediate-representation support, when relevant
- Conformance status and the specific platform/driver release
- Fallback behavior when an optional capability is missing
Vendor names in Khronos announcements indicate participation or implementation work at the cited time; they are not a guarantee that every current device from those vendors is fully conformant.
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No. Khronos announced OpenCL 3.1 on May 4, 2026, and the current OpenCL Registry lists 3.1 as the latest version. The linked unified API specification is version 3.1.2, dated September 17, 2026.
Best Value
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- The computer graphics cards is small in size and saves more space,easy to install,plug and play,you can build a compact PC system easily for slim/ITX chassis.
- This low profile video card is good value option for entry level, if you just want basic upgrade graphics and daily simple work for your computer, or not be AAA gamer.(include low profile bracket)
- No external power supply and the all-solid-state capacitor keeps low power consumption and high performance,supports Windows 10/8/7/Vista/XP(not compatible with windows 11).
OpenCL 3.1 moves additional field-proven capabilities into core, including SPIR-V ingestion. Its device requirements build on OpenCL 3.0 and specify OpenCL C 3.1 and supported SPIR-V intermediate-language versions. The 3.1 announcement described several conformant implementations as in progress, so availability still depends on the particular platform and driver.
Practical takeaway
OpenCL 3.0 is best understood as a compatibility reset, not a promise that every 2.x feature exists everywhere. Build around the 1.2 baseline, query optional API and compiler capabilities, and select richer paths only when the target implementation confirms them. For new work, also check the 3.1 requirements and the current registry, because 3.0 is no longer the newest specification.
Frequently Asked Questions
What is new in OpenCL 3.0?
OpenCL 3.0 establishes OpenCL 1.2 as the mandatory baseline, makes later functionality optional and queryable, and adds a unified specification, OpenCL C 3.0, core subgroup functionality, and asynchronous-copy extensions.
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What features are optional in OpenCL 3.0?
Every feature introduced after OpenCL 1.2 is optional. Applications must query the capabilities they need rather than assuming them from an OpenCL 3.0 version string.
Does OpenCL 3.0 support OpenCL 1.2 apps?
Khronos states that OpenCL 1.2 applications continue to run unchanged on OpenCL 3.0 devices, provided the implementation meets the 1.2 baseline.
Is OpenCL 3.0 the latest version?
No. Khronos lists OpenCL 3.1 as the latest version as of September 2026.
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