AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 950M Mac Edition
GPU Specs Compare
Graphics Card
Release Date
May 2015
Mar 2015
Generation
Crystal System
GeForce 900M
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1365 MHz
900 MHz
Base Clock
-
993 MHz
Boost Clock
-
1124 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
DDR3
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
28.80GB/s
Render Config
Compute Units
16
-
Shading Units
1024
640
TMUs
64
40
ROPs
32
16
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
17.98 GPixel/s
Texture Rate
61.31 GTexel/s
44.96 GTexel/s
FP32 (float)
1.962 TFLOPS
1439 GFLOPS
FP64 (double)
122.6 GFLOPS
44.96 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GM107
GPU Variant
Pitcairn PRO(215-0828062)
N16P-GT
Architecture
GCN 1.0
Maxwell
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
1.87 billion
Die Size
212 mm²
148 mm²
Board Design
TDP
80W
75W
Outputs
No outputs
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
5.1
CUDA
-
5.0