Radeon RX Vega 64 vs Radeon RX Vega 56

Radeon RX Vega 64
Radeon RX Vega 56
4096 Shaders
8GB HBM2
1546MHz
3584 Shaders
8GB HBM2
1471MHz
FP32
12.66 TFLOPS
FP32
10.54 TFLOPS
FP16
25.33 TFLOPS
FP16
21.09 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
295W
TDP
210W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
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%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 5
Architecture
GCN 5
Family
Radeon RX Vega
Family
Radeon RX Vega
Codename
Greenland
Vega 10
Variant
Vega 10 XT
Codename
Greenland
Vega 10
Variant
Vega 10 XL
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/14/2017
Release Date
8/28/2017
Foundry
GlobalFoundries
-
Foundry
GlobalFoundries
-
Fabrication Node
14LPP
-
Fabrication Node
14LPP
-
Die Size
486 mm²
-
Die Size
486 mm²
-
Transistor Count
12.5 Billion
-
Transistor Count
12.5 Billion
-
Transistor Density
25.72M/mm²
-
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
4096 Shaders
-
Shading Units
3584 Shaders
-
Texture Mapping Units
256 TMUs
Texture Mapping Units
224 TMUs
Render Output Units
64 ROPs
Render Output Units
64 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
64 CUs
Compute Units
56 CUs
-
-
-
-
-
-
-
-
-
-
1247MHz Base
1546MHz
-
-
1156MHz Base
1471MHz
-
-
-
-
-
-
-
-
-
-
FP16
25.33 TFLOPS
-
FP16
21.09 TFLOPS
-
-
-
-
-
-
-
FP32
12.66 TFLOPS
FP32
10.54 TFLOPS
-
-
-
-
FP64
0.79 TFLOPS
-
FP64
0.66 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
98.944 GPixel/s
Pixel Fillrate
94.144 GPixel/s
-
-
-
-
Texture Fillrate
395.776 GTexel/s
Texture Fillrate
329.504 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
4MB Shared
-
-
-
-
-
-
8GB
HBM2
-
8GB
HBM2
-
Bus Width
2048Bit
Bus Width
2048Bit
Clock
945MHz
Transfer Rate
1.9GT/s
Bandwidth
483.8GB/s
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
409.6GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
295W
TDP
210W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Content Protection
HDCP 2.2
Content Protection
HDCP 2.2
Model
VCE 4.0
Model
VCE 4.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
UVD 7.0
Model
UVD 7.0
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
12_1
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.7
-
-
GFX
9
-
-
-
-
Shader Model
6.7
-
-
GFX
9
-
-
-
-
-
-
-
1x Fan
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Height
111 mm (4.37 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Change Results