Mobility Radeon HD 2600 XT and GeForce Go 7900 GTX - video card comparison
Mobility Radeon HD 2600 XT
GeForce Go 7900 GTX
Architecture
RV6xx (2007−2010)
G7x (2005−2007)
GPU code name
M76-XT
G71M
Market segment
Laptop
Laptop
Release date
May 2007
April 2006
Interface
MXM-II
PCIe 1.0 x16
Supplementary power connectors
-
None
Boost clock speed
-
500 MHz
Core clock speed
700 MHz
8 MHz
Floating-point performance
163.2 gflops
-
Manufacturing process technology
65 nm
90 nm
Number of transistors
390 million
278 million
Pipelines / CUDA cores
120
32
Power consumption (TDP)
-
45 Watt
Texture fill rate
5.440
12.00
Memory type
DDR2, GDDR3
GDDR3
Maximum RAM amount
256+ MB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
750 MHz
1200 MHz
Memory bandwidth
24 GB/s
38.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.0 (10_0)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1
Shader Model
4.0
3.0
Vulkan
N/A
N/A