Radeon Pro W6800X vs 2x Radeon Pro W6800X Duo

Radeon Pro W6800X $2,800
2x Radeon Pro W6800X Duo $12,000
3840 Shaders
32GB GDDR6
2087MHz
4x 3840 Shaders
4x 32GB GDDR6
1970MHz
FP32
16.03 TFLOPS
FP32
60.52 TFLOPS
FP16
32.06 TFLOPS
FP16
121.04 TFLOPS
Form Factor
MPX
4.0-Slots
Form Factor
MPX
2x 4.0-Slots
TDP
300W
TDP
400W
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GB5 OpenCL 100,295
33%
GB5 OpenCL 94,670
31%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal 137,155
76%
GB5 Metal 129,470
72%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 310
53%
OCT Metal 1,180
200%
Manufacturer
Apple
Manufacturer
Apple
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
RDNA 2
Family
Radeon Pro W
Family
Radeon Pro W
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XLA
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XLA
Market Segment
Workstation
Market Segment
Workstation
Release Date
8/3/2021
Release Date
8/3/2021
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
520 mm²
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Die Size
4x 520 mm²
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Transistor Count
26.8 Billion
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Transistor Count
4x 26.8 Billion
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Transistor Density
51.56M/mm²
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Transistor Density
51.56M/mm²
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Form
MPX
Form
MPX
Shading Units
3840 Shaders
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Shading Units
4x 3840 Shaders
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Texture Mapping Units
240 TMUs
Texture Mapping Units
4x 240 TMUs
Render Output Units
96 ROPs
Render Output Units
4x 96 ROPs
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Ray-Tracing Cores
60 RT-Cores
Ray-Tracing Cores
4x 60 RT-Cores
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Compute Units
60 CUs
Compute Units
4x 60 CUs
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Graphics Processing Clusters
4 GPCs
Graphics Processing Clusters
4x 4 GPCs
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1800MHz Base
2087MHz
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1800MHz Base
1970MHz
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FP16
32.06 TFLOPS
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FP16
121.04 TFLOPS
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FP32
16.03 TFLOPS
FP32
60.52 TFLOPS
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FP64
1 TFLOPS
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FP64
3.78 TFLOPS
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Pixel Fillrate
200.352 GPixel/s
Pixel Fillrate
189.12 GPixel/s
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Texture Fillrate
500.88 GTexel/s
Texture Fillrate
472.8 GTexel/s
L0
32KB/WGP
L0
32KB/WGP
L1
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128KB/Array
L1
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128KB/Array
L2
4MB Shared
L2
4MB Shared
L3
128MB Shared
1.66TB/s
L3
128MB Shared
1.66TB/s
32GB
GDDR6
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4x 32GB
GDDR6
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Bus Width
256Bit
Bus Width
256Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
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TDP
300W
TDP
400W
Temp
100°C Max
Temp
100°C Max
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1x HDMI 2.0
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4x Thunderbolt 3 (40Gbps)
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2x HDMI 2.0
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8x Thunderbolt 3 (40Gbps)
Max Resolution
6016x3384
Max Resolution
6016x3384
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
6
Multi Monitor Support
8
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 3.0
Model
VCN 3.0
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 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
Direct X
12
Direct 3D
12_2
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
10.3
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Slots Required
4.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
4.0
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Infinity Fabric
Multi GPU Support
Supported
Type
Infinity Fabric
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Change Comparison