PowerColor Radeon RX 6800 XT Red Devil vs AMD Radeon R9 390
PowerColor Radeon RX 6800 XT Red Devil
$649
AMD Radeon R9 390
$329
|
4608 Shaders
16GB GDDR6
2340MHz
|
2560 Shaders
8GB GDDR5
1000MHz
|
|
FP32
21.57 TFLOPS
|
FP32
5.12 TFLOPS
|
|
FP16
43.13 TFLOPS
|
-
-
|
|
Form Factor
PCIe Card
3.1-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
300W
|
TDP
275W
|
|
Power Connectors
-
2x 8-Pin
-
-
|
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
|
|
GB5 OpenCL 163,235
53%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal 155,500
86%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan 104,785
51%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal 370
63%
|
OCT Metal N/A
0%
|
|
Manufacturer
PowerColor
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
GCN 2
|
|
Family
Radeon RX 6000
|
Family
Radeon R 300
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XT
|
Codename
Hawaii
-
Variant
Grenada Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
11/18/2020
|
Release Date
6/18/2015
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
N7
-
|
Fabrication Node
28nm
-
|
|
Die Size
520 mm²
-
|
Die Size
438 mm²
-
|
|
Transistor Count
26.8 Billion
-
|
Transistor Count
6.2 Billion
-
|
|
Transistor Density
51.56M/mm²
-
|
Transistor Density
14.16M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
4608 Shaders
-
|
Shading Units
2560 Shaders
-
|
|
Texture Mapping Units
288 TMUs
|
Texture Mapping Units
160 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
64 ROPs
|
|
-
-
|
-
-
|
|
Ray-Tracing Cores
72 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
72 CUs
|
Compute Units
40 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
4 GPCs
|
-
-
|
|
-
-
1825MHz Base
2340MHz
|
-
-
-
1000MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
43.13 TFLOPS
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
21.57 TFLOPS
|
FP32
5.12 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
1.35 TFLOPS
-
|
FP64
0.64 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
299.52 GPixel/s
|
Pixel Fillrate
64 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
673.92 GTexel/s
|
Texture Fillrate
160 GTexel/s
|
|
L0
32KB/WGP
|
-
-
|
|
L1
-
-
-
128KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
4MB Shared
|
L2
1MB Shared
|
|
L3
128MB Shared
1.66TB/s
|
-
-
-
|
|
16GB
GDDR6
-
|
8GB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
512Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
384GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
300W
|
TDP
275W
|
|
Temp
110°C Max
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
|
-
-
-
-
-
-
-
-
-
-
2x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.4
-
-
-
-
|
|
Max Resolution
7680x4320
|
Max Resolution
4096x2160
|
|
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 1.4
|
|
Model
VCN 3.0
|
Model
VCE 2.0
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Model
VCN 3.0
|
Model
UVD 4.2
|
|
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
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
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
1.2
|
|
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
|
Shader Model
6.5
-
-
GFX
7
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
Power Connectors
-
-
1x 6-Pin
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
275 mm (10.83 in)
Depth
36 mm (1.42 in)
|
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