2x Radeon Pro W6800X vs AMD Radeon PRO W6600

2x Radeon Pro W6800X $1,760
AMD Radeon PRO W6600 $649
2x 3840 Shaders
64GB (2x 32GB) GDDR6
2087MHz
1792 Shaders
8GB GDDR6
2903MHz
Peak AI Performance
64.11 TFLOPS
FP16
Peak AI Performance
20.81 TFLOPS
FP16
FP32
32.06 TFLOPS
FP32
10.4 TFLOPS
FP16
64.11 TFLOPS
FP16
20.81 TFLOPS
Form Factor
MPX
2x 4.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
600W
TDP
130W
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Power Connectors
1x 6-Pin
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GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL 100,295
33%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal 137,155
76%
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 625
106%
OCT Metal N/A
0%
Peak AI Performance
64.11 TFLOPS
FP16
Peak AI Performance
20.81 TFLOPS
FP16
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FP16
64.11 TFLOPS
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FP16
20.81 TFLOPS
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FP32
32.06 TFLOPS
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FP32
10.4 TFLOPS
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FP64
2 TFLOPS
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FP64
650 GFLOPS
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Pixel Fillrate
200.352 GPixel/s
Pixel Fillrate
185.792 GPixel/s
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Texture Fillrate
500.88 GTexel/s
Texture Fillrate
325.136 GTexel/s
Manufacturer
Apple
Manufacturer
AMD
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
Dimgrey Cavefish
Navi 23
Variant
Navi 23 XLE GL
Market Segment
Workstation
Market Segment
Workstation
Release Date
8/3/2021
Release Date
6/8/2021
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
2x 520 mm²
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Die Size
237 mm²
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Transistor Count
2x 26.8 Billion
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Transistor Count
11.1 Billion
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Transistor Density
51.56M/mm²
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Transistor Density
46.67M/mm²
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Form
MPX
Form
PCIe Card
Shading Units
2x 3840 Shaders
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Shading Units
1792 Shaders
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Texture Mapping Units
2x 240 TMUs
Texture Mapping Units
112 TMUs
Render Output Units
2x 96 ROPs
Render Output Units
64 ROPs
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Ray-Tracing Cores
2x 60 RT-Cores
Ray-Tracing Cores
28 RT-Cores
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Compute Units
2x 60 CUs
Compute Units
28 CUs
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Graphics Processing Clusters
2x 4 GPCs
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1800MHz Base
2087MHz
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2331MHz Base
2903MHz
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
L3
32MB Shared
0.83TB/s
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
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2x HDMI 2.0
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8x Thunderbolt 3 (40Gbps)
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4x DisplayPort 1.4
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Max Resolution
6016x3384
Max Resolution
7680x4320
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
120Hz
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 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
6.7
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GFX
10.3
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1x Fan
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Power Connectors
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1x 6-Pin
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Slots Required
4.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
4.0
PCIe Lanes
8
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
241 mm (9.49 in)
Depth
20 mm (0.79 in)
Change Comparison