AMD Radeon R9 M390 Mac Edition
The AMD Radeon R9 M390 Mac Edition is a laptop-class GPU manufactured by AMD, built on AMD's officially announced 28 nm process technology, released in May 2015. This graphics card is equipped with 2GB GDDR5 memory, suitable for gaming and professional graphics applications.
Process Size
28 nm
TDP
80W
L1 Cache
16 KB (per CU)
Memory Size
2GB
Memory Type
GDDR5
Bandwidth
174.7GB/s
Shader Model
5.1
Graphics Card
Release Date
May 2015
Generation
Crystal System
Type
Mobile
Bus Interface
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
Memory
Memory Size
2GB
Memory Type
GDDR5
Memory Bus
i
256bit
Bandwidth
i
174.7GB/s
Render Config
Compute Units
16
Shading Units
i
1024
TMUs
i
64
ROPs
i
32
L1 Cache
16 KB (per CU)
L2 Cache
512 KB
Theoretical Performance
Pixel Rate
i
30.66 GPixel/s
Texture Rate
i
61.31 GTexel/s
FP32 (float)
i
1.962 TFLOPS
FP64 (double)
i
122.6 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GPU Variant
Pitcairn PRO(215-0828062)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2.8 billion
Die Size
212 mm²
Board Design
TDP
80W
Outputs
No outputs
Power Connectors
None
Graphics Features
DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
i
1.2
Shader Model
5.1