PowerColor Radeon RX 6900 XT Red Devil vs AMD Radeon RX 580
PowerColor Radeon RX 6900 XT Red Devil
$999
AMD Radeon RX 580
$229
|
5120 Shaders
16GB GDDR6
2340MHz
|
2304 Shaders
8GB GDDR5
1340MHz
|
|
FP32
23.96 TFLOPS
|
FP32
6.17 TFLOPS
|
|
FP16
47.92 TFLOPS
|
FP16
6.17 TFLOPS
|
|
Form Factor
PCIe Card
3.1-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
390W
|
TDP
185W
|
|
Power Connectors
-
3x 8-Pin
-
-
|
Power Connectors
-
1x 8-Pin
-
-
|
|
GB5 OpenCL 171,720
56%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal 169,050
94%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan 118,605
58%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal 405
68%
|
OCT Metal N/A
0%
|
|
Manufacturer
PowerColor
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
GCN 4
|
|
Family
Radeon RX 6000
|
Family
Radeon RX 500
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
Codename
Ellesmere
Polaris 20
Variant
Polaris 20 XTX
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/8/2020
|
Release Date
4/18/2017
|
|
Foundry
TSMC
-
|
Foundry
GlobalFoundries
-
|
|
Fabrication Node
N7
-
|
Fabrication Node
14LPP
-
|
|
Die Size
520 mm²
-
|
Die Size
232 mm²
-
|
|
Transistor Count
26.8 Billion
-
|
Transistor Count
5.7 Billion
-
|
|
Transistor Density
51.56M/mm²
-
|
Transistor Density
24.57M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5120 Shaders
-
|
Shading Units
2304 Shaders
-
|
|
Texture Mapping Units
320 TMUs
|
Texture Mapping Units
144 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
32 ROPs
|
|
-
-
|
-
-
|
|
Ray-Tracing Cores
80 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
80 CUs
|
Compute Units
36 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
4 GPCs
|
-
-
|
|
-
-
1825MHz Base
2340MHz
|
-
-
1257MHz Base
1340MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
47.92 TFLOPS
-
|
FP16
6.17 TFLOPS
-
|
|
-
-
-
|
-
-
-
|
|
FP32
23.96 TFLOPS
|
FP32
6.17 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
1.5 TFLOPS
-
|
FP64
0.39 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
299.52 GPixel/s
|
Pixel Fillrate
42.88 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
748.8 GTexel/s
|
Texture Fillrate
192.96 GTexel/s
|
|
L0
32KB/WGP
|
-
-
|
|
L1
-
-
-
128KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
4MB Shared
|
L2
2MB Shared
|
|
L3
128MB Shared
1.66TB/s
|
-
-
-
|
|
16GB
GDDR6
-
|
8GB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
256Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
2000MHz
Transfer Rate
8GT/s
Bandwidth
256GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
390W
|
TDP
185W
|
|
Temp
110°C Max
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
|
Max Resolution
7680x4320
|
Max Resolution
5120x2880
|
|
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 3.0
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
VCN 3.0
|
Model
UVD 6.3
|
|
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_0
|
|
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
8
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
2x Fans
|
|
Power Connectors
-
-
-
3x 8-Pin
-
-
-
|
Power Connectors
-
-
-
1x 8-Pin
-
-
-
|
|
Slots Required
3.1
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
135 mm (5.31 in)
Width
320 mm (12.6 in)
Depth
62 mm (2.44 in)
|
Height
110 mm (4.33 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
|
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