AMD Radeon R9 M395X Mac Edition vs AMD Radeon R9 M280X
GPU Specs Compare
Graphics Card
Release Date
May 2015
Feb 2015
Generation
Crystal System
Gem System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1375 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
88.00GB/s
Render Config
Compute Units
32
14
Shading Units
2048
896
TMUs
128
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
29.09 GPixel/s
16.00 GPixel/s
Texture Rate
116.4 GTexel/s
56.00 GTexel/s
FP16 (half)
3.723 TFLOPS
-
FP32 (float)
3.723 TFLOPS
1.792 TFLOPS
FP64 (double)
232.7 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Amethyst
Saturn
GPU Variant
Amethyst XT
Saturn XT(216-0843024)
Architecture
GCN 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
2.08 billion
Die Size
366 mm²
160 mm²
Board Design
TDP
250W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
-
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5