AMD Radeon Pro W6900X vs AMD Radeon RX 580 OEM
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Jun 2016
Generation
Radeon Pro Mac
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1120 MHz
Boost Clock
2150 MHz
1266 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
256.0GB/s
Render Config
Compute Units
80
36
Shading Units
5120
2304
TMUs
320
144
ROPs
128
32
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
275.2 GPixel/s
40.51 GPixel/s
Texture Rate
688.0 GTexel/s
182.3 GTexel/s
FP16 (half)
44.03 TFLOPS
5.834 TFLOPS
FP32 (float)
22.02 TFLOPS
5.834 TFLOPS
FP64 (double)
1376 GFLOPS
364.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
Ellesmere
GPU Variant
Navi 21 Pro-XTA
Polaris 10 XT(215-0876184)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
5.7 billion
Die Size
520 mm²
232 mm²
Board Design
TDP
300W
150W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.14x Thunderbolt
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4