AMD Radeon RX 6800 XT vs AMD Radeon 520
AMD Radeon RX 6800 XT
$649
AMD Radeon 520
|
4608 Shaders
16GB GDDR6
2250MHz
|
320 Shaders
1GB GDDR5
1030MHz
|
|
Peak AI Performance
41.47 TFLOPS
FP16
|
Peak AI Performance
660 GFLOPS
FP32
|
|
FP32
20.74 TFLOPS
|
FP32
660 GFLOPS
|
|
FP16
41.47 TFLOPS
|
-
-
|
|
Form Factor
PCIe Card
2.5-Slots
|
Form Factor
PCIe Card
1.0-Slots
|
|
TDP
300W
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TDP
Unknown
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Power Connectors
-
2x 8-Pin
-
-
|
-
-
-
-
-
|
|
GB6 Metal N/A
0%
|
|
|
GB5 OpenCL 156,955
51%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal 149,520
83%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan 100,755
49%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal 355
60%
|
OCT Metal N/A
0%
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
GCN 1
|
|
Family
Radeon RX 6000
|
Family
Radeon RX 500
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XT
|
Codename
Hainan
-
Variant
Banks Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
11/18/2020
|
Release Date
4/18/2017
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
N7
-
|
Fabrication Node
28nm
-
|
|
Die Size
520 mm²
-
|
Die Size
56 mm²
-
|
|
Transistor Count
26.8 Billion
-
|
Transistor Count
690 Million
-
|
|
Transistor Density
51.56M/mm²
-
|
Transistor Density
12.32M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
4608 Shaders
-
|
Shading Units
320 Shaders
-
|
|
Texture Mapping Units
288 TMUs
|
Texture Mapping Units
20 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
4 ROPs
|
|
-
-
|
-
-
|
|
Ray-Tracing Cores
72 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
72 CUs
|
Compute Units
5 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
4 GPCs
|
-
-
|
|
-
-
1825MHz Base
2250MHz
|
-
-
-
1030MHz
|
|
Peak AI Performance
41.47 TFLOPS
FP16
|
Peak AI Performance
660 GFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
FP16
41.47 TFLOPS
-
-
-
-
|
-
-
-
-
-
-
|
|
FP32
20.74 TFLOPS
-
-
|
FP32
660 GFLOPS
-
-
|
|
FP64
1.3 TFLOPS
-
|
FP64
40 GFLOPS
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
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-
-
-
|
-
-
-
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-
-
-
-
|
-
-
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
288 GPixel/s
|
Pixel Fillrate
4.12 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
648 GTexel/s
|
Texture Fillrate
20.6 GTexel/s
|
|
L0
32KB/WGP
|
-
-
|
|
L1
-
-
-
128KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
4MB Shared
|
L2
128KB Shared
|
|
L3
128MB Shared
1.66TB/s
|
-
-
-
|
|
16GB
GDDR6
-
|
1GB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
64Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
36GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
300W
|
TDP
Unknown
|
|
Temp
110°C Max
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Max Resolution
7680x4320
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
120Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
-
-
|
|
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
|
No Encoders
-
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Model
VCN 3.0
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
11_1
|
|
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
6
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
-
-
-
-
-
-
-
-
|
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
8
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
-
-
-
-
|
|
Height
120 mm (4.72 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
|
-
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