AMD hardware specifications#
2024-04-12
6 min read time
The following tables provide an overview of the hardware specifications for AMD Instinct™ accelerators, AMD Radeon™ and AMD Radeon™ Pro GPUs.
Model |
Architecture |
LLVM target name |
VRAM |
Compute Units |
Warp Size |
LDS |
L3 Cache |
L2 Cache |
L1 Vector Cache |
L1 Scalar Cache |
L1 Instruction Cache |
VGPR File |
SGPR File |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MI300X |
CDNA3 |
gfx941 or gfx942 |
192 GiB |
304 |
64 |
64 KiB |
256 MiB |
32 MiB |
32 KiB |
16 KiB per 2 CUs |
64 KiB per 2 CUs |
512 KiB |
12.5 KiB |
MI300A |
CDNA3 |
gfx940 or gfx942 |
128 GiB |
228 |
64 |
64 KiB |
256 MiB |
24 MiB |
32 KiB |
16 KiB per 2 CUs |
64 KiB per 2 CUs |
512 KiB |
12.5 KiB |
MI250X |
CDNA2 |
gfx90a |
128 GiB |
220 (110 per GCD) |
64 |
64 KiB |
16 MiB (8 MiB per GCD) |
16 KiB |
16 KiB per 2 CUs |
32 KiB per 2 CUs |
512 KiB |
12.5 KiB |
|
MI250 |
CDNA2 |
gfx90a |
128 GiB |
208 |
64 |
64 KiB |
16 MiB (8 MiB per GCD) |
16 KiB |
16 KiB per 2 CUs |
32 KiB per 2 CUs |
512 KiB |
12.5 KiB |
|
MI210 |
CDNA2 |
gfx90a |
64 GiB |
104 |
64 |
64 KiB |
8 MiB |
16 KiB |
16 KiB per 2 CUs |
32 KiB per 2 CUs |
512 KiB |
12.5 KiB |
|
MI100 |
CDNA |
gfx908 |
32 GiB |
120 |
64 |
64 KiB |
8 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB VGPR and 256 KiB AccVGPR |
12.5 KiB |
|
MI60 |
GCN5.1 |
gfx906 |
32 GiB |
64 |
64 |
64 KiB |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
|
MI50 (32GB) |
GCN5.1 |
gfx906 |
32 GiB |
60 |
64 |
64 KiB |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
|
MI50 (16GB) |
GCN5.1 |
gfx906 |
16 GiB |
60 |
64 |
64 KiB |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
|
MI25 |
GCN5.0 |
gfx900 |
16 GiB |
64 |
64 |
64 KiB |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
|
MI8 |
GCN3.0 |
gfx803 |
4 GiB |
64 |
64 |
64 KiB |
2 MiB |
16 KiB |
16 KiB per 4 CUs |
32 KiB per 4 CUs |
256 KiB |
12.5 KiB |
|
MI6 |
GCN4.0 |
gfx803 |
16 GiB |
36 |
64 |
64 KiB |
2 MiB |
16 KiB |
16 KiB per 4 CUs |
32 KiB per 4 CUs |
256 KiB |
12.5 KiB |
Model |
Architecture |
LLVM target name |
VRAM |
Compute Units |
Warp Size |
LDS |
Infinity Cache |
L2 Cache |
Graphics L1 Cache |
L0 Vector Cache |
L0 Scalar Cache |
L0 Instruction Cache |
VGPR File |
SGPR File |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Radeon PRO W7900 |
RDNA3 |
gfx1100 |
48 GiB |
96 |
32 |
128 KiB |
96 MiB |
6 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon PRO W7800 |
RDNA3 |
gfx1100 |
32 GiB |
70 |
32 |
128 KiB |
64 MiB |
6 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon PRO W7700 |
RDNA3 |
gfx1101 |
16 GiB |
48 |
32 |
128 KiB |
64 MiB |
4 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon PRO W6800 |
RDNA2 |
gfx1030 |
32 GiB |
60 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon PRO W6600 |
RDNA2 |
gfx1032 |
8 GiB |
28 |
32 |
128 KiB |
32 MiB |
2 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon PRO V620 |
RDNA2 |
gfx1030 |
32 GiB |
72 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon Pro W5500 |
RDNA |
gfx1012 |
8 GiB |
22 |
32 |
128 KiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
|
Radeon Pro VII |
GCN5.1 |
gfx906 |
16 GiB |
60 |
64 |
64 KiB |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
Model |
Architecture |
LLVM target name |
VRAM |
Compute Units |
Warp Size |
LDS |
Infinity Cache |
L2 Cache |
Graphics L1 Cache |
L0 Vector Cache |
L0 Scalar Cache |
L0 Instruction Cache |
VGPR File |
SGPR File |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Radeon RX 7900 XTX |
RDNA3 |
gfx1100 |
24 GiB |
96 |
32 |
128 KiB |
96 MiB |
6 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon RX 7900 XT |
RDNA3 |
gfx1100 |
20 GiB |
84 |
32 |
128 KiB |
80 MiB |
6 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon RX 7900 GRE |
RDNA3 |
gfx1100 |
16 GiB |
80 |
32 |
128 KiB |
64 MiB |
6 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon RX 7800 XT |
RDNA3 |
gfx1101 |
16 GiB |
60 |
32 |
128 KiB |
64 MiB |
4 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon RX 7700 XT |
RDNA3 |
gfx1101 |
12 GiB |
54 |
32 |
128 KiB |
48 MiB |
4 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
384 KiB |
20 KiB |
Radeon RX 7600 |
RDNA3 |
gfx1102 |
8 GiB |
32 |
32 |
128 KiB |
32 MiB |
2 MiB |
256 KiB |
32 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6950 XT |
RDNA2 |
gfx1030 |
16 GiB |
80 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6900 XT |
RDNA2 |
gfx1030 |
16 GiB |
80 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6800 XT |
RDNA2 |
gfx1030 |
16 GiB |
72 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6800 |
RDNA2 |
gfx1030 |
16 GiB |
60 |
32 |
128 KiB |
128 MiB |
4 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6750 XT |
RDNA2 |
gfx1031 |
12 GiB |
40 |
32 |
128 KiB |
96 MiB |
3 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6700 XT |
RDNA2 |
gfx1031 |
12 GiB |
40 |
32 |
128 KiB |
96 MiB |
3 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6700 |
RDNA2 |
gfx1031 |
10 GiB |
36 |
32 |
128 KiB |
80 MiB |
3 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6650 XT |
RDNA2 |
gfx1032 |
8 GiB |
32 |
32 |
128 KiB |
32 MiB |
2 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6600 XT |
RDNA2 |
gfx1032 |
8 GiB |
32 |
32 |
128 KiB |
32 MiB |
2 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon RX 6600 |
RDNA2 |
gfx1032 |
8 GiB |
28 |
32 |
128 KiB |
32 MiB |
2 MiB |
128 KiB |
16 KiB |
16 KiB |
32 KiB |
256 KiB |
20 KiB |
Radeon VII |
GCN5.1 |
gfx906 |
16 GiB |
60 |
64 |
64 KiB per CU |
4 MiB |
16 KiB |
16 KiB per 3 CUs |
32 KiB per 3 CUs |
256 KiB |
12.5 KiB |
For a detailed explanation of the terms refer to the specific documents and guides or the HIP programming guide.