ROCm/docs/reference/gpu-arch-specs.rst

.. meta::
   :description: AMD Instinct™ accelerator, AMD Radeon PRO™, and AMD Radeon™ GPU architecture information
   :keywords: Instinct, Radeon, accelerator, CDNA, GPU, architecture, VRAM, Compute Units, Cache, Registers, LDS, Register File

Accelerator and GPU hardware specifications
######################################################

The following tables provide an overview of the hardware specifications for AMD Instinct™ accelerators, and AMD Radeon™ PRO and Radeon™ GPUs.

.. tab-set::

  .. tab-item:: AMD Instinct accelerators

    .. list-table::
        :header-rows: 1
        :name: instinct-arch-spec-table

        *
          - Model
          - Architecture
          - LLVM target name
          - VRAM (GiB)
          - Compute Units
          - Wavefront Size
          - LDS (KiB)
          - L3 Cache (MiB)
          - L2 Cache (MiB)
          - L1 Vector Cache (KiB)
          - L1 Scalar Cache (KiB)
          - L1 Instruction Cache (KiB)
          - VGPR File (KiB)
          - SGPR File (KiB)
        *
          - MI300X
          - CDNA3
          - gfx941 or gfx942
          - 192
          - 304
          - 64
          - 64
          - 256
          - 32
          - 32
          - 16 per 2 CUs
          - 64 per 2 CUs
          - 512
          - 12.5
        *
          - MI300A
          - CDNA3
          - gfx940 or gfx942
          - 128
          - 228
          - 64
          - 64
          - 256
          - 24
          - 32
          - 16 per 2 CUs
          - 64 per 2 CUs
          - 512
          - 12.5
        *
          - MI250X
          - CDNA2
          - gfx90a
          - 128
          - 220 (110 per GCD)
          - 64
          - 64
          -
          - 16 (8 per GCD)
          - 16
          - 16 per 2 CUs
          - 32 per 2 CUs
          - 512
          - 12.5
        *
          - MI250
          - CDNA2
          - gfx90a
          - 128
          - 208
          - 64
          - 64
          -
          - 16 (8 per GCD)
          - 16
          - 16 per 2 CUs
          - 32 per 2 CUs
          - 512
          - 12.5
        *
           - MI210
           - CDNA2
           - gfx90a
           - 64
           - 104
           - 64
           - 64
           -
           - 8
           - 16
           - 16 per 2 CUs
           - 32 per 2 CUs
           - 512
           - 12.5
        *
          - MI100
          - CDNA
          - gfx908
          - 32
          - 120
          - 64
          - 64
          -
          - 8
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256 VGPR and 256 AccVGPR
          - 12.5
        *
          - MI60
          - GCN5.1
          - gfx906
          - 32
          - 64
          - 64
          - 64
          -
          - 4
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5
        *
          - MI50 (32GB)
          - GCN5.1
          - gfx906
          - 32
          - 60
          - 64
          - 64
          -
          - 4
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5
        *
          - MI50 (16GB)
          - GCN5.1
          - gfx906
          - 16
          - 60
          - 64
          - 64
          -
          - 4
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5
        *
          - MI25
          - GCN5.0
          - gfx900
          - 16 
          - 64
          - 64
          - 64 
          -
          - 4 
          - 16 
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5
        *
          - MI8
          - GCN3.0
          - gfx803
          - 4
          - 64
          - 64
          - 64
          -
          - 2
          - 16
          - 16 per 4 CUs
          - 32 per 4 CUs
          - 256
          - 12.5
        *
          - MI6
          - GCN4.0
          - gfx803
          - 16
          - 36
          - 64
          - 64
          -
          - 2
          - 16
          - 16 per 4 CUs
          - 32 per 4 CUs
          - 256
          - 12.5

  .. tab-item:: AMD Radeon PRO GPUs

    .. list-table::
        :header-rows: 1
        :name: radeon-pro-arch-spec-table

        *
          - Model
          - Architecture
          - LLVM target name
          - VRAM (GiB)
          - Compute Units
          - Wavefront Size
          - LDS (KiB)
          - Infinity Cache (MiB)
          - L2 Cache (MiB)
          - Graphics L1 Cache (KiB)
          - L0 Vector Cache (KiB)
          - L0 Scalar Cache (KiB)
          - L0 Instruction Cache (KiB)
          - VGPR File (KiB)
          - SGPR File (KiB)
        *
          - Radeon PRO W7900
          - RDNA3
          - gfx1100
          - 48
          - 96
          - 32
          - 128
          - 96
          - 6
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon PRO W7800
          - RDNA3
          - gfx1100
          - 32
          - 70
          - 32
          - 128
          - 64
          - 6
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon PRO W7700
          - RDNA3
          - gfx1101
          - 16
          - 48
          - 32
          - 128
          - 64
          - 4
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon PRO W6800
          - RDNA2
          - gfx1030
          - 32
          - 60
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon PRO W6600
          - RDNA2
          - gfx1032
          - 8
          - 28
          - 32
          - 128
          - 32
          - 2
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon PRO V620
          - RDNA2
          - gfx1030
          - 32
          - 72
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon Pro W5500
          - RDNA
          - gfx1012
          - 8
          - 22
          - 32
          - 128
          -
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon Pro VII
          - GCN5.1
          - gfx906
          - 16
          - 60
          - 64
          - 64
          -
          - 4
          -
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5

  .. tab-item:: AMD Radeon GPUs

    .. list-table::
        :header-rows: 1
        :name: radeon-arch-spec-table

        *
          - Model
          - Architecture
          - LLVM target name
          - VRAM (GiB)
          - Compute Units
          - Wavefront Size
          - LDS (KiB)
          - Infinity Cache (MiB)
          - L2 Cache (MiB)
          - Graphics L1 Cache (KiB)
          - L0 Vector Cache (KiB)
          - L0 Scalar Cache (KiB)
          - L0 Instruction Cache (KiB)
          - VGPR File (KiB)
          - SGPR File (KiB)
        *
          - Radeon RX 7900 XTX
          - RDNA3
          - gfx1100
          - 24
          - 96
          - 32
          - 128
          - 96
          - 6
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon RX 7900 XT
          - RDNA3
          - gfx1100
          - 20
          - 84
          - 32
          - 128
          - 80
          - 6
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon RX 7900 GRE
          - RDNA3
          - gfx1100
          - 16
          - 80
          - 32
          - 128
          - 64
          - 6
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon RX 7800 XT
          - RDNA3
          - gfx1101
          - 16
          - 60
          - 32
          - 128
          - 64
          - 4
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon RX 7700 XT
          - RDNA3
          - gfx1101
          - 12
          - 54
          - 32
          - 128
          - 48
          - 4
          - 256
          - 32
          - 16
          - 32
          - 384
          - 20
        *
          - Radeon RX 7600
          - RDNA3
          - gfx1102
          - 8
          - 32
          - 32
          - 128
          - 32
          - 2
          - 256
          - 32
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6950 XT
          - RDNA2
          - gfx1030
          - 16
          - 80
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6900 XT
          - RDNA2
          - gfx1030
          - 16
          - 80
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6800 XT
          - RDNA2
          - gfx1030
          - 16
          - 72
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6800
          - RDNA2
          - gfx1030
          - 16
          - 60
          - 32
          - 128
          - 128
          - 4
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6750 XT
          - RDNA2
          - gfx1031
          - 12
          - 40
          - 32
          - 128
          - 96
          - 3
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6700 XT
          - RDNA2
          - gfx1031
          - 12
          - 40
          - 32
          - 128
          - 96
          - 3
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6700
          - RDNA2
          - gfx1031
          - 10
          - 36
          - 32
          - 128
          - 80
          - 3
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6650 XT
          - RDNA2
          - gfx1032
          - 8
          - 32
          - 32
          - 128
          - 32
          - 2
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6600 XT
          - RDNA2
          - gfx1032
          - 8
          - 32
          - 32
          - 128
          - 32
          - 2
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon RX 6600
          - RDNA2
          - gfx1032
          - 8
          - 28
          - 32
          - 128
          - 32
          - 2
          - 128
          - 16
          - 16
          - 32
          - 256
          - 20
        *
          - Radeon VII
          - GCN5.1
          - gfx906
          - 16
          - 60
          - 64
          - 64 per CU
          -
          - 4
          -
          - 16
          - 16 per 3 CUs
          - 32 per 3 CUs
          - 256
          - 12.5

For more information on the terms used here, see the :ref:`specific documents and guides <gpu-arch-documentation>`, the :doc:`conceptual overview of the HIP programming model<hip:understand/programming_model>`, or the :doc:`HIP reference guide<hip:reference/programming_model>`.