GeForce GT 420M and Radeon HD 6750M Mac Edition - video card comparison
GeForce GT 420M
Radeon HD 6750M Mac Edition
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N11P-GE
Whistler
Market segment
Laptop
Desktop
Release date
September 2010
April 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Core clock speed
500 MHz
598 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
574.1 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
716 million
Pipelines / CUDA cores
96
480
Power consumption (TDP)
23 Watt
35 Watt
Texture fill rate
6.0 billion/sec
14.35
Memory type
(G)DDR3
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
3176 MHz
Memory bandwidth
25.6 GB/s
50.82 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A