GeForce GTX 460M and Radeon HD 6490M Mac Edition - video card comparison
GeForce GTX 460M
Radeon HD 6490M Mac Edition
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N11E-GS
Seymour
Market segment
Laptop
Desktop
Release date
September 2010
May 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
+
-
Core clock speed
675 MHz
750 MHz
Floating-point performance
518.4 gflops
240 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
370 million
Pipelines / CUDA cores
192
160
Power consumption (TDP)
50 Watt
-
Texture fill rate
16.1 billion/sec
6.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
1536 MB
256 MB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1250 MHz
3176 MHz
Memory bandwidth
60.0 GB/s
25.41 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API with Feature Level 12.1
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