AMD Radeon RX 550X Mobile vs AMD Radeon R9 M395X
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
May 2015
Generation
Mobility Radeon
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1100 MHz
-
Boost Clock
1176 MHz
-
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
160.0GB/s
Render Config
Compute Units
10
32
Shading Units
640
2048
TMUs
40
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
18.82 GPixel/s
23.14 GPixel/s
Texture Rate
47.04 GTexel/s
92.54 GTexel/s
FP16 (half)
1.505 TFLOPS
2.961 TFLOPS
FP32 (float)
1.505 TFLOPS
2.961 TFLOPS
FP64 (double)
94.08 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Amethyst
GPU Variant
Polaris 23 MXT
Amethyst XT
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
5 billion
Die Size
103 mm²
366 mm²
Board Design
TDP
50W
75W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
📊 Benchmark
3DMark Time Spy
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2,514