AMD Radeon R9 M395 Mac Edition vs AMD Radeon RX 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Apr 2018
Generation
Crystal System
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x8
Clock Speeds
Memory Clock
1365 MHz
1500 MHz
Base Clock
—
1100 MHz
Boost Clock
—
1176 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
174.7GB/s
48.00GB/s
Render Config
Compute Units
28
10
Shading Units
1792
640
TMUs
112
40
ROPs
32
16
L1 Cache
—
16 KB (per CU)
L2 Cache
—
512 KB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
18.82 GPixel/s
Texture Rate
93.41 GTexel/s
47.04 GTexel/s
FP32 (float)
2.989 TFLOPS
1.505 TFLOPS
FP64 (double)
373.6 GFLOPS
94.08 GFLOPS
FP16 (half)
—
1.505 TFLOPS
Graphics Processor
GPU Name
Amethyst
Polaris 23
GPU Variant
Amethyst PRO(216-0872004)
Polaris 23 MXT
Architecture
GCN 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
2.2 billion
Die Size
366 mm²
103 mm²
Board Design
TDP
250W
50W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.