NVIDIA GeForce GTX 950M Mac Edition vs AMD Radeon HD 6850 X2
GPU Specs Compare
Graphics Card
Release Date
Mar 2015
Sep 2011
Generation
GeForce 900M
Northern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Base Clock
993 MHz
-
Boost Clock
1124 MHz
-
Memory Clock
900 MHz
1050 MHz
Memory
Memory Size
2GB
2GB
Memory Type
DDR3
GDDR5
Memory Bus
128bit
256bit
Bandwidth
28.80GB/s
134.4GB/s
Render Config
Shading Units
640
960
TMUs
40
48
ROPs
16
32
L1 Cache
64 KB (per SMM)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
17.98 GPixel/s
25.60 GPixel/s
Texture Rate
44.96 GTexel/s
38.40 GTexel/s
FP32 (float)
1439 GFLOPS
1.536 TFLOPS
FP64 (double)
44.96 GFLOPS
-
Graphics Processor
GPU Name
GM107
Barts
GPU Variant
N16P-GT
Barts PRO(215-0798006)
Architecture
Maxwell
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
1.87 billion
1.7 billion
Die Size
148 mm²
255 mm²
Board Design
TDP
75W
254W
Outputs
No outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Suggested PSU
-
600 W
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
5.0
-
Shader Model
5.1
5.0