AMD Radeon RX 6800 vs AMD Radeon RX Vega 64

AMD Radeon RX 6800 $579
AMD Radeon RX Vega 64 $499
3840 Shaders
16GB GDDR6
2105MHz
4096 Shaders
8GB HBM2
1546MHz
FP32
16.17 TFLOPS
FP32
12.66 TFLOPS
FP16
32.33 TFLOPS
FP16
25.33 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
250W
TDP
295W
Power Connectors
-
2x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL 127,725
42%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal 132,030
73%
GB5 Metal N/A
0%
GB5 Vulkan 94,985
46%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal 310
52%
OCT Metal N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
GCN 5
Family
Radeon RX 6000
Family
Radeon RX Vega
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XL
Codename
Greenland
Vega 10
Variant
Vega 10 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/18/2020
Release Date
8/14/2017
Foundry
TSMC
-
Foundry
GlobalFoundries
-
Fabrication Node
N7
-
Fabrication Node
14LPP
-
Die Size
520 mm²
-
Die Size
486 mm²
-
Transistor Count
26.8 Billion
-
Transistor Count
12.5 Billion
-
Transistor Density
51.56M/mm²
-
Transistor Density
25.72M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3840 Shaders
-
Shading Units
4096 Shaders
-
Texture Mapping Units
240 TMUs
Texture Mapping Units
256 TMUs
Render Output Units
96 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
60 RT-Cores
-
-
-
-
-
-
Compute Units
60 CUs
Compute Units
64 CUs
-
-
-
-
Graphics Processing Clusters
4 GPCs
-
-
-
-
1700MHz Base
2105MHz
-
-
1247MHz Base
1546MHz
-
-
-
-
-
-
-
-
-
-
FP16
32.33 TFLOPS
-
FP16
25.33 TFLOPS
-
-
-
-
-
-
-
FP32
16.17 TFLOPS
FP32
12.66 TFLOPS
-
-
-
-
FP64
1.01 TFLOPS
-
FP64
0.79 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
202.08 GPixel/s
Pixel Fillrate
98.944 GPixel/s
-
-
-
-
Texture Fillrate
505.2 GTexel/s
Texture Fillrate
395.776 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
-
128KB/Array
L1
-
-
16KB/CU
-
L2
4MB Shared
L2
4MB Shared
L3
128MB Shared
1.66TB/s
-
-
-
16GB
GDDR6
-
8GB
HBM2
-
Bus Width
256Bit
Bus Width
2048Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
945MHz
Transfer Rate
1.9GT/s
Bandwidth
483.8GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
250W
TDP
295W
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
120Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
4
Multi Monitor Support
3
Content Protection
HDCP 2.3
Content Protection
HDCP 2.2
Model
VCN 3.0
Model
VCE 4.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 3.0
Model
UVD 7.0
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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
1.3
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Shader Model
6.7
-
-
GFX
9
-
-
-
-
-
-
-
3x Fans
-
-
-
1x Fan
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
CrossFire XDMA
Height
120 mm (4.72 in)
Width
267 mm (10.51 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 Comparison