GeForce GT 420M and Mobility Radeon HD 2600 XT - video card comparison
GeForce GT 420M
Mobility Radeon HD 2600 XT
Architecture
Fermi (2010−2014)
RV6xx (2007−2010)
GPU code name
N11P-GE
M76-XT
Market segment
Laptop
Laptop
Release date
September 2010
May 2007
Interface
PCIe 2.0 x16
MXM-II
Core clock speed
500 MHz
700 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
163.2 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
585 million
390 million
Pipelines / CUDA cores
96
120
Power consumption (TDP)
23 Watt
-
Texture fill rate
6.0 billion/sec
5.440
Memory type
(G)DDR3
DDR2, GDDR3
Maximum RAM amount
1 GB
256+ MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
750 MHz
Memory bandwidth
25.6 GB/s
24 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A