2x Radeon Pro W6900X vs Radeon Pro W5500X

2x Radeon Pro W6900X $5,600
Radeon Pro W5500X $600
2x 5120 Shaders
64GB (2x 32GB) GDDR6
2171MHz
1536 Shaders
8GB GDDR6
1825MHz
Peak AI Performance
88.92 TFLOPS
FP16
Peak AI Performance
11.21 TFLOPS
FP16
FP32
44.46 TFLOPS
FP32
5.61 TFLOPS
FP16
88.92 TFLOPS
FP16
11.21 TFLOPS
Form Factor
MPX
2x 4.0-Slots
Form Factor
MPX
2.0-Slots
TDP
600W
TDP
130W
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GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL 120,660
40%
GB5 OpenCL 38,460
13%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal 154,880
86%
GB5 Metal 42,725
24%
GB5 Vulkan N/A
0%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal 865
147%
OCT Metal 110
19%
Peak AI Performance
88.92 TFLOPS
FP16
Peak AI Performance
11.21 TFLOPS
FP16
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FP16
88.92 TFLOPS
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FP16
11.21 TFLOPS
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FP32
44.46 TFLOPS
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FP32
5.61 TFLOPS
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FP64
2.78 TFLOPS
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FP64
350 GFLOPS
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Pixel Fillrate
277.888 GPixel/s
Pixel Fillrate
58.4 GPixel/s
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Texture Fillrate
694.72 GTexel/s
Texture Fillrate
175.2 GTexel/s
Manufacturer
Apple
Manufacturer
Apple
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
RDNA 1
Family
Radeon Pro W
Family
Radeon Pro W
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTA
Codename
Fighter
Navi 14
Variant
Navi 14 XTA
Market Segment
Workstation
Market Segment
Workstation
Release Date
8/3/2021
Release Date
7/1/2020
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
N7
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Fabrication Node
N7
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Die Size
2x 520 mm²
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Die Size
158 mm²
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Transistor Count
2x 26.8 Billion
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Transistor Count
6.4 Billion
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Transistor Density
51.56M/mm²
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Transistor Density
40.51M/mm²
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Form
MPX
Form
MPX
Shading Units
2x 5120 Shaders
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Shading Units
1536 Shaders
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Texture Mapping Units
2x 320 TMUs
Texture Mapping Units
96 TMUs
Render Output Units
2x 128 ROPs
Render Output Units
32 ROPs
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Ray-Tracing Cores
2x 80 RT-Cores
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Compute Units
2x 80 CUs
Compute Units
24 CUs
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Graphics Processing Clusters
2x 4 GPCs
Graphics Processing Clusters
2 GPCs
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1825MHz Base
2171MHz
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1200MHz Base
1825MHz
L0
32KB/WGP
L0
32KB/WGP
L1
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128KB/Array
L1
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128KB/Array
L2
4MB Shared
L2
2MB Shared
L3
128MB Shared
1.66TB/s
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64GB (2x 32GB)
GDDR6
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8GB
GDDR6
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Bus Width
256Bit
Bus Width
128Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
1750MHz
Transfer Rate
14GT/s
Bandwidth
224GB/s
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TDP
600W
TDP
130W
Temp
100°C Max
Temp
100°C Max
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2x HDMI 2.0
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8x Thunderbolt 3 (40Gbps)
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2x HDMI 2.0
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Max Resolution
6016x3384
Max Resolution
6016x3384
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
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FreeSync
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Variable Refresh Rate
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FreeSync
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Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
6
Multi Monitor Support
4
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 3.0
Model
VCN 2.0
Codec
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AVC (H.264)
HEVC (H.265)
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Codec
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AVC (H.264)
HEVC (H.265)
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Model
VCN 3.0
Model
VCN 2.0
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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Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
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GFX
10.3
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Shader Model
6.5
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GFX
10.1
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Slots Required
4.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
8
Multi GPU Support
Supported
Type
Infinity Fabric
Multi GPU Support
Supported
Type
Bridgeless
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Change Comparison