Radeon HD 7400G and Radeon HD 6490M Mac Edition - video card comparison
Radeon HD 7400G
Radeon HD 6490M Mac Edition
Architecture
Terascale 3 (2010−2013)
TeraScale 2 (2009−2015)
GPU code name
Trinity
Seymour
Market segment
Laptop
Desktop
Release date
September 2012
May 2011
Interface
IGP
PCIe 2.0 x16
Boost clock speed
423 MHz
-
Core clock speed
327 MHz
750 MHz
Floating-point performance
-
240 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1,303 million
370 million
Pipelines / CUDA cores
192
160
Power consumption (TDP)
17 Watt
-
Texture fill rate
5.088
6.000
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
256 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
3176 MHz
Memory bandwidth
-
25.41 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A