AMD Instinct MI350X vs AMD Radeon Pro V620

AMD Instinct MI350X
AMD Radeon Pro V620
16384 Shaders
288GB HBM3e
2200MHz
4608 Shaders
32GB GDDR6
2200MHz
Peak AI Performance
18.45 PFLOPS
FP4 Tensor Sparse
Peak AI Performance
20.28 TFLOPS
FP32
FP32
144.18 TFLOPS
FP32
20.28 TFLOPS
FP16
144.18 TFLOPS
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Form Factor
OAM Module
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Form Factor
PCIe Card
2.0-Slots
TDP
1000W
TDP
300W
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Power Connectors
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2x 8-Pin
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GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan N/A
0%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal N/A
0%
Peak AI Performance
18.45 PFLOPS
FP4 Tensor Sparse
Peak AI Performance
20.28 TFLOPS
FP32
FP4
9.23 PFLOPS Tensor
18.45 PFLOPS Tensor Sparse
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FP8
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4.61 PFLOPS Tensor (FP16 Accumulate)
9.23 PFLOPS Tensor (FP16 Accumulate) Sparse
4.61 PFLOPS Tensor (FP32 Accumulate)
9.23 PFLOPS Tensor (FP32 Accumulate) Sparse
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FP16
144.18 TFLOPS
2.31 PFLOPS Tensor (FP16 Accumulate)
4.61 PFLOPS Tensor (FP16 Accumulate) Sparse
2.31 PFLOPS Tensor (FP32 Accumulate)
4.61 PFLOPS Tensor (FP32 Accumulate) Sparse
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FP32
144.18 TFLOPS
144.18 TFLOPS Tensor
288.36 TFLOPS Tensor Sparse
FP32
20.28 TFLOPS
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FP64
72.09 TFLOPS
72.09 TFLOPS Tensor
FP64
1.27 TFLOPS
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BF16
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2.31 PFLOPS Tensor
4.61 PFLOPS Tensor Sparse
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INT4
4.61 POPS Tensor
9.23 POPS Tensor Sparse
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INT8
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4.61 POPS Tensor
9.23 POPS Tensor Sparse
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Pixel Fillrate
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Pixel Fillrate
281.6 GPixel/s
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Texture Fillrate
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Texture Fillrate
633.6 GTexel/s
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
CDNA 4
Architecture
RDNA 2
Family
Instinct
Family
Radeon Pro V
Codename
CDNA Next
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Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XL GL
Market Segment
Server
Market Segment
Server
Release Date
6/12/2025
Release Date
11/4/2021
Foundry
TSMC
TSMC IO Die
Foundry
TSMC
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Fabrication Node
N3P
N6 IO Die
Fabrication Node
N7
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Die Size
8x 181 mm²
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Die Size
520 mm²
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Transistor Count
8x 17.4 Billion
2x 23 Billion IO Die
Transistor Count
26.8 Billion
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Transistor Density
96.13M/mm²
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Transistor Density
51.56M/mm²
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Form
OAM Module
Form
PCIe Card
Shading Units
16384 Shaders
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Shading Units
4608 Shaders
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Texture Mapping Units
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Texture Mapping Units
288 TMUs
Render Output Units
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Render Output Units
128 ROPs
Tensor Cores
1024 T-Cores
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Compute Units
256 CUs
Compute Units
72 CUs
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2200MHz
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1825MHz Base
2200MHz
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L0
32KB/WGP
L1
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16KB/CU
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L1
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128KB/Array
L2
16MB Shared
L2
4MB Shared
L3
256MB Shared
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L3
128MB Shared
1.66TB/s
288GB
HBM3e
ECC
32GB
GDDR6
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Bus Width
8192Bit
Bus Width
256Bit
Clock
3906MHz
Transfer Rate
7.8GT/s
Bandwidth
8000.1GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
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TDP
1000W
TDP
300W
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No Ports
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No Ports
Max Resolution
Unknown
Max Resolution
7680x4320
Max Resolution Refresh Rate
-
Max Resolution Refresh Rate
120Hz
Variable Refresh Rate
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Variable Refresh Rate
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FreeSync
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
Unknown
Multi Monitor Support
4
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Content Protection
HDCP 2.3
Model
4x VCN 4.0
Model
VCN 3.0
Codec
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
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AVC (H.264)
HEVC (H.265)
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Model
4x VCN 4.0
Model
VCN 3.0
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
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VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Direct X
12
Direct 3D
12_2
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OpenCL
3.0
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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GFX
9.4
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Shader Model
6.7
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GFX
10.3
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Power Connectors
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2x 8-Pin
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PCIe Version
5.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Infinity Fabric
Multi GPU Support
Supported
Type
CrossFire XDMA
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Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
37 mm (1.46 in)
Change Comparison