GeForce 7950 GT and GeForce GT 755M Mac Edition - video card comparison
GeForce 7950 GT
GeForce GT 755M Mac Edition
Architecture
Curie (2003−2013)
Kepler (2012−2018)
GPU code name
G71
GK107
Market segment
Desktop
Desktop
Release date
August 2006
November 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
550 MHz
1085 MHz
Floating-point performance
-
833.3 gflops
Manufacturing process technology
90 nm
28 nm
Number of transistors
278 million
1,270 million
Pipelines / CUDA cores
-
384
Power consumption (TDP)
65 Watt
50 Watt
Texture fill rate
13.20
34.72
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1400 MHz
5000 MHz
Memory bandwidth
44.8 GB/s
80 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
2.1
4.6
Shader Model
3.0
5.1
Vulkan
N/A
1.1.126