AMD Radeon Pro W6900X vs AMD Radeon RX 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Apr 2018
Generation
Radeon Pro Mac
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1825 MHz
1100 MHz
Boost Clock
2150 MHz
1176 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
64bit
Bandwidth
512.0GB/s
48.00GB/s
Render Config
Compute Units
80
10
Shading Units
5120
640
TMUs
320
40
ROPs
128
16
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
275.2 GPixel/s
18.82 GPixel/s
Texture Rate
688.0 GTexel/s
47.04 GTexel/s
FP16 (half)
44.03 TFLOPS
1.505 TFLOPS
FP32 (float)
22.02 TFLOPS
1.505 TFLOPS
FP64 (double)
1376 GFLOPS
94.08 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 23
GPU Variant
Navi 21 Pro-XTA
Polaris 23 MXT
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
2.2 billion
Die Size
520 mm²
103 mm²
Board Design
TDP
300W
50W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.14x Thunderbolt
No outputs
Power Connectors
None
None
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