NVIDIA GeForce GTX 950A vs NVIDIA GeForce GTX 680MX Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Mar 2015
Oct 2012
Generation
GeForce 900A
GeForce 600M
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
993 MHz
-
Boost Clock
1124 MHz
-
Memory Clock
1001 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
DDR3
GDDR5
Memory Bus
128bit
256bit
Bandwidth
32.03GB/s
160.0GB/s
Render Config
Shading Units
640
1536
TMUs
40
128
ROPs
16
32
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
17.98 GPixel/s
23.01 GPixel/s
Texture Rate
44.96 GTexel/s
92.03 GTexel/s
FP32 (float)
1439 GFLOPS
2.209 TFLOPS
FP64 (double)
44.96 GFLOPS
92.03 GFLOPS
Graphics Processor
GPU Name
GM107
GK104
GPU Variant
N16P-GT
N13E-GTX2-A2
Architecture
Maxwell
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
1.87 billion
3.54 billion
Die Size
148 mm²
294 mm²
Board Design
TDP
75W
122W
Outputs
No outputs
No outputs
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
5.0
3.0
Shader Model
5.1
5.1