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turnip_mrpurple_T28-toasted vs Qualcomm_840_adpkg

On Adreno (TM) 22 (HONOR 200 Pro, Moorechip Retroid Pocket G2, POCO F6, realme GT 6, realme 真我GT Neo6, Vivo iQOO Neo 10R, Xiaomi Pad 7 Pro, Xiaomi Pad 7 Pro). The first driver named is compared against the second, which is the baseline.

StockQualcomm_840_adpkgDriver Build: 823f27cb7c, Ic944e09b26, 1753107019

Customturnip_mrpurple_T28-toastedPurpleVK 26.2.0-devel (git-b10619d06a)

Graphics system version (Vulkan)? to ?

Optional features (extensions)? to ?not checked on both

Features that pass their check (validated)not tested on bothQualcomm_840_adpkg and turnip_mrpurple_T28-toasted: no driver check yet

Speed test scenes (benchmark)1 faster 3 slower11% slower overall (geometric mean)

hdr_2160p33% slower
oit_linked_lists5% slower
pipeline_barriers_2160p2% faster
subpasses_2160p3% slower

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 2 scenes (pipeline_barriers: 1694 of 2304 cells, pipeline_barriers_2160p: 1037 of 2304 cells). The picture matches overall, so this is a local rendering fault, not a different scene.

Did not start every time: compute_nbody (stock 3 of 3, custom 0 of 3).

Qualcomm_840_adpkg details turnip_mrpurple_T28-toasted details

Feature checks that differ

Qualcomm_840_adpkg and turnip_mrpurple_T28-toasted: no driver check (validation report) yet. Both drivers need a driver check before their feature checks can be compared.

Speed test scenes (benchmark)

Scene	Qualcomm_840_adpkg ms	turnip_mrpurple_T28-toasted ms	Difference	Starts	GPU clock, MHz	Picture vs stock
compute_nbody	8.48 typical 8.42	n/a	only one side	3 of 3 vs 0 of 3	? vs ? clock unknown	not checked
hdr_2160p	14.62 typical 14.65	21.97 typical 21.87	33% slower	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 0.0 no small difference worst 0.7 64x36
oit_linked_lists	19.44 typical 19.43	20.57 typical 20.64	5% 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	5.53 typical 4.56	3.15 typical 2.97	too light, see pipeline_barriers_2160p	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 9.3 differs in 1694 small areas worst 47.3 64x36
pipeline_barriers_2160p	11.39 typical 11.43	11.14 typical 10.34	2% faster	3 of 3 vs 3 of 3	? vs ? clock unknown	no large difference 6.4 differs in 1037 small areas worst 51.7 64x36
subpasses	5.56 typical 5.02	5.51 typical 5.22	too light, see subpasses_2160p	3 of 3 vs 3 of 3	? vs ? clock unknown	not checked
subpasses_2160p	19.36 typical 19.35	20.01 typical 19.40	3% slower	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 turnip_mrpurple_T28-toasted against Qualcomm_840_adpkg. "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)

Both drivers need a driver check (validation report) before their technical details (Vulkan) can be compared.