AMD Radeon R9 M395 Mac Edition vs AMD Radeon R9 M395X
GPU · Specs Compare
Graphics Card
Release Date
May 2015
May 2015
Generation
Crystal System
Crystal System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1250 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
160.0GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
32
32
L1 Cache
—
16 KB (per CU)
L2 Cache
—
512 KB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
23.14 GPixel/s
Texture Rate
93.41 GTexel/s
92.54 GTexel/s
FP32 (float)
2.989 TFLOPS
2.961 TFLOPS
FP64 (double)
373.6 GFLOPS
185.1 GFLOPS
FP16 (half)
—
2.961 TFLOPS
Graphics Processor
GPU Name
Amethyst
Amethyst
GPU Variant
Amethyst PRO(216-0872004)
Amethyst XT
Architecture
GCN 3.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
5 billion
Die Size
366 mm²
366 mm²
Board Design
TDP
250W
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
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3
Benchmark
3DMark Time Spy
—
2,514
▲ Specs Compare
Data sourced from official specifications and benchmark tests.