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panvk-g76-kirin990-1.2.3 vs panvk_faux123_v1.0.1

On Mali-G52 (CHUWI HiPad-Air, HONOR X5c, HONOR X5c, Infinix HOT 60i, Oppo A18, Oppo A38, realme RMX3710, Redmi 12, Redmi 12C, Redmi 14C, Redmi 15C, Samsung Galaxy A32, TECNO POVA 3, TECNO SPARK 10 Pro, TECNO SPARK 20, Vivo Y03, Xiaomi 24049RN28L). The first driver named is compared against the second, which is the baseline.

Stockpanvk_faux123_v1.0.1PanVK-kbase RC3-lowmem (Mesa 26.3.0-devel (git-25739f2d26))

Custompanvk-g76-kirin990-1.2.3PanVK-kbase G76-k990 1.2.3 (Mesa 26.3.0-devel (git-e53ed5c178))

Graphics system version (Vulkan)1.3.363 to 1.3.363

Optional features (extensions)159 to 165+7 -1

Features that pass their check (validated)40 to 65panvk-g76-kirin990-1.2.3: sent from a device this site could not confirm (unverified)27 pass only on panvk-g76-kirin990-1.2.3 2 pass only on panvk_faux123_v1.0.1

Speed test scenes (benchmark)3 faster 2 slower4% slower overall (geometric mean)

Games each driver could run (an estimate from its feature list): green likely, yellow maybe, orange limited, red no

StockDX92002+DX102006+DX112009+DX122015+Switch

CustomDX92002+DX102006+DX112009+DX122015+Switch

compute_nbody11% faster
hdr_2160p9% slower
oit_linked_lists30% slower
pipeline_barriers9% faster
subpasses4% faster

Custom driver against stock, per scene. Bars to the right are faster, to the left slower.

Small areas of the picture differ from the stock driver in 1 scene (pipeline_barriers: 1448 of 2304 cells). The picture matches overall, so this is a local rendering fault, not a different scene.

panvk_faux123_v1.0.1 details panvk-g76-kirin990-1.2.3 details

Feature checks that differ (42)

Unverified panvk-g76-kirin990-1.2.3: The results below were sent from a device this site could not confirm. A result the site counts replaces them.

Feature	panvk_faux123_v1.0.1	panvk-g76-kirin990-1.2.3	Change
compat.nested_map core	pass	fail	lost
stress.submit_memory core	pass	inconclusive	lost
robustBufferAccess2 VK_EXT_robustness2	unsupported	pass	gained
robustImageAccess2 VK_EXT_robustness2	unsupported	pass	gained
transformFeedback VK_EXT_transform_feedback	unsupported	pass	gained
shaderBufferInt64Atomics VK_KHR_shader_atomic_int64	unsupported	pass	gained
depthClamp VkPhysicalDeviceFeatures	untested	pass	gained
geometryShader VkPhysicalDeviceFeatures	unsupported	pass	gained
largePoints VkPhysicalDeviceFeatures	untested	pass	gained
multiDrawIndirect VkPhysicalDeviceFeatures	unsupported	pass	gained
multiViewport VkPhysicalDeviceFeatures	unsupported	pass	gained
occlusionQueryPrecise VkPhysicalDeviceFeatures	fail	pass	gained
tessellationShader VkPhysicalDeviceFeatures	unsupported	pass	gained
compat.helper_loop_terminator core	fail	pass	gained
core.blend_advertised_formats core	untested	pass	gained
core.compute_big_stack core	untested	pass	gained
core.host_coherent_readback core	untested	pass	gained
core.mrt_partial_kill core	untested	pass	gained
core.ubo_update_buffer core	untested	pass	gained
core.ubo_written_after_record core	untested	pass	gained
core.varying_subset core	untested	pass	gained
mem.image_padding core	untested	pass	gained
perf.fb_local_barrier_large_draws core	untested	pass	gained
perf.fb_local_barrier_overdraw core	untested	pass	gained
stage.geometry_max_output core	untested	pass	gained
stage.geometry_point_size core	untested	pass	gained
stress.multi_draw_indirect_large core	unsupported	pass	gained
stress.scratch_per_batch core	untested	pass	gained
sync.first_submit_clear_then_compute core	untested	pass	gained
customBorderColorWithoutFormat VK_EXT_custom_border_color	unsupported	untested	changed
extendedDynamicState2PatchControlPoints VK_EXT_extended_dynamic_state2	unsupported	untested	changed
nullDescriptor VK_EXT_robustness2	unsupported	untested	changed
geometryStreams VK_EXT_transform_feedback	unsupported	untested	changed
shaderSharedInt64Atomics VK_KHR_shader_atomic_int64	unsupported	untested	changed
depthBounds VkPhysicalDeviceFeatures	unsupported	untested	changed
fillModeNonSolid VkPhysicalDeviceFeatures	unsupported	untested	changed
pipelineStatisticsQuery VkPhysicalDeviceFeatures	unsupported	untested	changed
shaderClipDistance VkPhysicalDeviceFeatures	unsupported	untested	changed
shaderCullDistance VkPhysicalDeviceFeatures	unsupported	untested	changed
shaderTessellationAndGeometryPointSize VkPhysicalDeviceFeatures	unsupported	untested	changed
variableMultisampleRate VkPhysicalDeviceFeatures	unsupported	untested	changed
vertexPipelineStoresAndAtomics VkPhysicalDeviceFeatures	unsupported	untested	changed

Speed test scenes (benchmark)

unverified panvk-g76-kirin990-1.2.3: The times below were sent from a device this site could not confirm. A result the site counts replaces them.

The two drivers were not measured on the same set of device models. Frame times from different devices do not compare drivers, so read these numbers with that in mind.

Scene	panvk_faux123_v1.0.1 ms	panvk-g76-kirin990-1.2.3 ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	87.61 typical 87.87	79.10 typical 77.34	11% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.1 no small difference worst 3.0 64x36
hdr_2160p	146.15 typical 145.46	160.79 typical 156.92	9% slower	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
oit_linked_lists	71.29 typical 70.64	102.52 typical 101.39	30% slower	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.0 64x36
pipeline_barriers	69.36 typical 70.53	63.76 typical 63.49	9% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 7.5 differs in 1448 small areas worst 50.0 64x36
subpasses	121.39 typical 121.81	116.18 typical 116.39	4% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	not checked

Time to draw one frame, per scene: the average (mean) frame time of the scene's best round, which is how many frames the driver delivered; lower is faster. "Typical" beside it is the median frame, which can sit well under the average when a driver's frames come in two speeds. A pair of reports made before per-round averages were recorded is compared on the median. A scene whose rounds disagree by more than 15% is left out. A scene marked "paced" was held at that mean frame time by the driver or the display queue, together with at least one other scene of the same run; its time says how the frames were spaced, not how fast the driver rendered, so it is not compared. A scene marked "too light" took under 8 ms at the standard size (1920 by 1080) on both drivers, where the screen's frame queue spaces the frames more than the chip does; its heavier run is the one compared: the row ending in _2160p is the scene drawn at 3840 by 2160, and compute_nbody_2x is that scene with twice the particles. "Faster" and "slower" describe panvk-g76-kirin990-1.2.3 against panvk_faux123_v1.0.1. "Picture vs stock" compares one fixed frame per scene as a coarse colour grid (0 is identical, above 40 is a different picture); it finds a scene that was not drawn. Where both reports carry the finer 64x36 grid, the second figure is how many of its 2,304 cells differ by more than 4 of 255, and "worst" is the largest single cell; this is what finds a small rendering error in a picture that otherwise matches. A row marked 16x9 comes from a report made before the finer grid existed. "Starts" is how many of a scene's process starts reached a measured round. A GPU clock marked "not comparable" differed by more than 5% of the device's maximum between the two timings.

Technical differences (Vulkan)

Extensions only in panvk-g76-kirin990-1.2.3 (7)

VK_EXT_conditional_rendering
VK_EXT_descriptor_indexing
VK_EXT_mutable_descriptor_type
VK_EXT_robustness2
VK_EXT_transform_feedback
VK_KHR_shader_atomic_int64
VK_VALVE_mutable_descriptor_type

Extensions only in panvk_faux123_v1.0.1 (1)

VK_EXT_multisampled_render_to_single_sampled

Core features that differ (12)

descriptorBindingPartiallyBound Vulkan 1.2	unsupported to pass
descriptorBindingSampledImageUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingStorageBufferUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingStorageImageUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingStorageTexelBufferUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingUniformBufferUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingUniformTexelBufferUpdateAfterBind Vulkan 1.2	unsupported to pass
descriptorBindingUpdateUnusedWhilePending Vulkan 1.2	unsupported to pass
descriptorIndexing Vulkan 1.2	unsupported to pass
shaderBufferInt64Atomics Vulkan 1.2	unsupported to pass
shaderOutputViewportIndex Vulkan 1.2	unsupported to pass
shaderSharedInt64Atomics Vulkan 1.2	unsupported to pass

Limits that differ (21)

Limit	panvk_faux123_v1.0.1	panvk-g76-kirin990-1.2.3
maxTessellationGenerationLevel	0	64
maxTessellationPatchSize	0	32
maxTessellationControlPerVertexInputComponents	0	128
maxTessellationControlPerVertexOutputComponents	0	128
maxTessellationControlPerPatchOutputComponents	0	120
maxTessellationControlTotalOutputComponents	0	4096
maxTessellationEvaluationInputComponents	0	128
maxTessellationEvaluationOutputComponents	0	128
maxGeometryShaderInvocations	0	32
maxGeometryInputComponents	0	64
maxGeometryOutputComponents	0	128
maxGeometryOutputVertices	0	256
maxGeometryTotalOutputComponents	0	1024
maxFragmentDualSrcAttachments	8	1
maxDrawIndirectCount	1	65535
maxViewports	1	16
timestampComputeAndGraphics	0	1
timestampPeriod	0	38.4615
maxClipDistances	0	8
maxCullDistances	0	8
maxCombinedClipAndCullDistances	0	8

Formats supported by only one driver (0 gained, 0 lost)

Only in panvk-g76-kirin990-1.2.3:

None

Only in panvk_faux123_v1.0.1:

None