GeForce 615 and Mobility Radeon HD 2600 XT Mac Edition - video card comparison
GeForce 615
Mobility Radeon HD 2600 XT Mac Edition
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
GF108
M76
Market segment
Desktop
Desktop
Release date
May 2012
July 2007
Interface
PCIe 2.0 x16
MXM-II
Core clock speed
660 MHz
600 MHz
Floating-point performance
126.7 gflops
144 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
585 million
390 million
Pipelines / CUDA cores
48
120
Power consumption (TDP)
49 Watt
-
Texture fill rate
5.280
4.800
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1370 MHz
Memory bandwidth
28.8 GB/s
21.92 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
10.0 (10_0)
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A