AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 950M Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Mar 2015
Generation
Pirate Islands
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1350 MHz
900 MHz
Base Clock
-
993 MHz
Boost Clock
-
1124 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
DDR3
Memory Bus
512bit
128bit
Bandwidth
345.6GB/s
28.80GB/s
Render Config
Compute Units
40
-
Shading Units
2560
640
TMUs
160
40
ROPs
64
16
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
1024 KB
2 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
17.98 GPixel/s
Texture Rate
160.0 GTexel/s
44.96 GTexel/s
FP32 (float)
5.120 TFLOPS
1439 GFLOPS
FP64 (double)
640.0 GFLOPS
44.96 GFLOPS
Graphics Processor
GPU Name
Grenada
GM107
GPU Variant
Grenada PRO(215-0880030)
N16P-GT
Architecture
GCN 2.0
Maxwell
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
1.87 billion
Die Size
438 mm²
148 mm²
Board Design
TDP
580W
75W
Suggested PSU
950 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
4x 8-pin
-
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
5.1
CUDA
-
5.0