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Hardware, GCN and VCE Limits
AMD has release many cards over the years and that also means that there have been many iterations of the same technology to end up at something better and faster. For quick access, all currently known cards have been listed here.
The first generation Video Coding Engine which supported YUV 4:2:0 for I & P Frames and Scalable Profiles for SVC Temporal encoding.
- HD 7730, HD 7750, HD 7770, HD 7850, HD 7870 Ghz Edition, HD 7870 XT, HD 7950, HD 7950 Boost, HD 7970, HD 7970 Ghz Edition, HD 7990, HD 8570, HD 8670, HD 8730, HD 8760, HD 8870, HD 8950, HD 8970, HD 8990, R5 240, R7 240, R7 250, R7 250E, R7 250X, R7 265, R9 270, R9 270X, R9 280, R9 280X, R5 330, R5 340, R7 340, R7 350, R7 370, R9 370, R9 370X, R5 M330, R5 M335, R7 M360, R9 M365X, R9 M370X, R9 M375, R9 M375X, R9 M380, R9 M390, R9 M390X, R9 M395, R5 430, R5 435, R7 430, R7 435, R7 450
- APUS: Piledriver based, Trinity (AX - 5xxx), Richland(Ax 6xxxx)
Second generation of the Video Coding Engine which added support for encoding B-Pictures.
- HD 7790, HD 8770, R7 260, R7 260X, R9 290, R9 290X, R9 295X2, R7 360, R9 360, R9 390, R9 390X, R9 M385, R9 M385X, R7 455
- APUS: Steamroller-Kaveri (AX - 7xxx), Steamroller-Godavai (AX 7xxx), Jaguar-Kabini, Jaguar-Temash, Puma-Beema, Puma-Mullins
This generation added support for 4K encoding at up to 90 FPS (measured) and enabled High-Quality scaling for different input and output sizes. Additionally a sub generation exists, which is used in Pirate Island cards.
- R9 285, R9 380, R9 380X, R9 Fury, R9 Nano, R9 Fury X, Pro Duo, R9 M395X
VCE 3.4 adds HDR encoding (Rec. 2020 through 10-bit integer or 16-bit floats) and H.265/HEVC. Slightly worse in performance compared to VCE2.0 and does no longer support encoding B-Pictures with H.264.
- RX 460, RX 470, RX 480
- /u/AMD_Robert talking about limits
- Wikipedia - https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units
- Wikipedia - https://en.wikipedia.org/wiki/Video_Coding_Engine
- Wikipedia - https://en.wikipedia.org/wiki/Graphics_Core_Next
- Wikipedia - https://en.wikipedia.org/wiki/AMD_Radeon_400_series
- Wikipedia - https://en.wikipedia.org/wiki/AMD_Radeon_300_series
- Wikipedia - https://en.wikipedia.org/wiki/AMD_Radeon_200_series
- Wikipedia - https://en.wikipedia.org/wiki/Radeon_HD_8000_Series
- Wikipedia - https://en.wikipedia.org/wiki/Radeon_HD_7000_Series
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