AMD Radeon HD 8950M vs AMD Radeon R9 M395 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
May 2013
May 2015
Generation
Solar System
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1375 MHz
1365 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
174.7GB/s
Render Config
Compute Units
12
28
Shading Units
768
1792
TMUs
48
112
ROPs
16
32
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
—
Theoretical Performance
Pixel Rate
17.20 GPixel/s
26.69 GPixel/s
Texture Rate
51.60 GTexel/s
93.41 GTexel/s
FP32 (float)
1.651 TFLOPS
2.989 TFLOPS
FP64 (double)
103.2 GFLOPS
373.6 GFLOPS
Graphics Processor
GPU Name
Saturn
Amethyst
GPU Variant
Saturn XT
Amethyst PRO(216-0872004)
Architecture
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
5 billion
Die Size
160 mm²
366 mm²
Board Design
TDP
100W
250W
Outputs
No outputs
No outputs
Power Connectors
—
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.