Radeon RX 6800 vs Radeon VII

Radeon RX 6800
Radeon VII
3840 Shaders
16GB GDDR6
2105MHz
3840 Shaders
16GB HBM2
1800MHz
FP32
16.17 TFLOPS
FP32
13.82 TFLOPS
FP16
32.33 TFLOPS
FP16
27.65 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
250W
TDP
300W
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
Moonshot
Vega 20
Variant
Vega 20 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/18/2020
Release Date
2/7/2019
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
N7
-
Fabrication Node
N7
-
Die Size
520 mm²
-
Die Size
331 mm²
-
Transistor Count
26.8 Billion
-
Transistor Count
13.2 Billion
-
Transistor Density
51.56M/mm²
-
Transistor Density
39.97M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3840 Shaders
-
Shading Units
3840 Shaders
-
Texture Mapping Units
240 TMUs
Texture Mapping Units
240 TMUs
Render Output Units
96 ROPs
Render Output Units
64 ROPs
-
-
-
-
Ray-Tracing Cores
60 RT-Cores
-
-
-
-
-
-
Compute Units
60 CUs
Compute Units
60 CUs
-
-
-
-
Graphics Processing Clusters
4 GPCs
-
-
-
-
1700MHz Base
2105MHz
-
-
1400MHz Base
1800MHz
-
-
-
-
-
-
-
-
-
-
FP16
32.33 TFLOPS
-
FP16
27.65 TFLOPS
-
-
-
-
-
-
-
FP32
16.17 TFLOPS
FP32
13.82 TFLOPS
-
-
-
-
FP64
1.01 TFLOPS
-
FP64
3.46 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
202.08 GPixel/s
Pixel Fillrate
115.2 GPixel/s
-
-
-
-
Texture Fillrate
505.2 GTexel/s
Texture Fillrate
432 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
-
16GB
HBM2
-
Bus Width
256Bit
Bus Width
4096Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
1024GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
250W
TDP
300W
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 4.1
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 3.0
Model
UVD 7.2
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
-
-
-
3x Fans
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
125 mm (4.92 in)
Width
280 mm (11.02 in)
Depth
40 mm (1.57 in)
Change Results