Radeon HD 7660D and GeForce GTX 675MX Mac Edition - video card comparison
Radeon HD 7660D
GeForce GTX 675MX Mac Edition
Architecture
Terascale 3 (2010−2013)
Kepler (2012−2018)
GPU code name
Trinity
GK104
Market segment
Desktop
Desktop
Release date
September 2012
April 2013
Interface
IGP
PCIe 3.0 x16
Boost clock speed
800 MHz
-
Core clock speed
633 MHz
719 MHz
Floating-point performance
-
1,933 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
3,540 million
Pipelines / CUDA cores
384
1344
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
19.20
80.53
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
160.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126