Radeon HD 6770M Mac Edition and Radeon HD 6630M Mac Edition - video card comparison
Radeon HD 6770M Mac Edition
Radeon HD 6630M Mac Edition
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Whistler
Whistler
Market segment
Desktop
Desktop
Release date
January 2011
January 2011
Interface
MXM-A (3.0)
PCIe 2.0 x16
Core clock speed
725 MHz
500 MHz
Floating-point performance
696.0 gflops
480.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
716 million
Pipelines / CUDA cores
480
480
Power consumption (TDP)
35 Watt
26 Watt
Texture fill rate
17.40
12.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
3600 MHz
2400 MHz
Memory bandwidth
57.6 GB/s
19.2 GB/s
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