AMD Radeon RX 6550S vs AMD Radeon RX 580X Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Apr 2018
Generation
Navi Mobile
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x4
MXM-B (3.0)
Clock Speeds
Base Clock
2000 MHz
1000 MHz
Boost Clock
2400 MHz
1077 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
256.0GB/s
Render Config
Compute Units
16
36
Shading Units
1024
2304
TMUs
64
144
ROPs
32
32
RT Cores
16
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
2 MB
L3 Cache
16 MB
-
Theoretical Performance
Pixel Rate
76.80 GPixel/s
34.46 GPixel/s
Texture Rate
153.6 GTexel/s
155.1 GTexel/s
FP16 (half)
9.830 TFLOPS
4.963 TFLOPS
FP32 (float)
4.915 TFLOPS
4.963 TFLOPS
FP64 (double)
307.2 GFLOPS
310.2 GFLOPS
Graphics Processor
GPU Name
Navi 24
Polaris 20
GPU Variant
Navi 24
Polaris 20M XT
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
5.4 billion
5.7 billion
Die Size
107 mm²
232 mm²
Board Design
TDP
50W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4