Real-world WebGPU limit support statistics for maxUniformBufferBindingSize across browsers, devices, and platforms.
Largest uniform buffer binding size supported in bytes. Uniform buffers are intended for relatively small read-only data shared across many shader invocations.
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This table shows which reported values appear for maxUniformBufferBindingSize and how common each value is.
| Value | Support |
|---|
| 65536 | 100% |
| 134217728 | 14% |
| 644245092 | 13% |
| 1073741824 | 12% |
| 1252698792 | 4% |
| 2010044824 | 2% |
This table shows which values are reported for maxUniformBufferBindingSize on each platform and how common they are.| Platform | Support |
|---|
| Android | |
| Chromium OS | |
| iOS | | 322122544 | 100% | | 429496728 | 99% | | 644245092 | 94% | | 1073741824 | 75% |
|
| Linux | | 65536 | 100% | | 134217728 | 7% | | 1073741824 | 6% | | 2147483644 | 1% |
|
| Mac OS | | 65536 | 100% | | 268435456 | 31% | | 715827880 | 29% | | 1073741824 | 27% | | 1252698792 | 18% | | 2010044824 | 10% |
|
| Windows | |
This table shows which values are reported for maxUniformBufferBindingSize in each browser family and how common they are.| Browser | Support |
|---|
| Chrome/Chromium | | 65536 | 100% | | 268435456 | 2% | | 1073741824 | 1% |
|
| Edge | |
| Firefox | | 65536 | 100% | | 134217728 | 26% | | 2147483644 | 1% |
|
| Opera | |
| Other | | 65536 | 100% | | 268435456 | 57% | | 644245092 | 56% | | 715827880 | 55% | | 1073741824 | 49% | | 1431655764 | 3% |
|
| Safari | | 322122544 | 100% | | 429496728 | 99% | | 644245092 | 94% | | 1073741824 | 84% | | 1252698792 | 44% | | 2010044824 | 24% |
|
| Samsung Internet | |
This table shows which maxUniformBufferBindingSize values are reported by GPU vendor across all platforms.| Vendor | Support |
|---|
| amd | |
| apple | | 65536 | 100% | | 268435456 | 46% | | 536870912 | 45% | | 644245092 | 43% | | 1073741824 | 37% | | 1288490188 | 16% | | 2010044824 | 9% |
|
| arm | |
| google | |
| huawei | |
| img-tec | |
| intel | |
| intelr | |
| microsoft | |
| nvidia | |
| qualcomm | |
| samsung | |
This table shows which maxUniformBufferBindingSize values are reported by GPU vendor and architecture across all platforms.| Vendor - Architecture | Support |
|---|
| amd - gcn-4 | |
| amd - gcn-5 | |
| amd - rdna-1 | |
| amd - rdna-2 | |
| amd - rdna-3 | |
| apple - apple | | 429496728 | 100% | | 536870912 | 99% | | 644245092 | 93% | | 1073741824 | 81% | | 1288490188 | 35% | | 2010044824 | 19% |
|
| apple - metal-3 | |
| arm - bifrost | |
| arm - valhall | |
| intel - gen-11 | |
| intel - gen-12lp | |
| intel - gen-8 | |
| intel - gen-9 | |
| intel - xe-2lpg | |
| intel - xe-lpg | |
| nvidia - ampere | |
| nvidia - blackwell | |
| nvidia - kepler | |
| nvidia - lovelace | |
| nvidia - maxwell | |
| nvidia - pascal | |
| nvidia - turing | |
| qualcomm - adreno-6xx | |
| qualcomm - adreno-7xx | |
| qualcomm - adreno-8xx | |