Radeon HD 6450M and Radeon HD 6770M Mac Edition - video card comparison
Radeon HD 6450M
Radeon HD 6770M Mac Edition
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Seymour-PRO
Whistler
Market segment
Laptop
Desktop
Release date
January 2011
January 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Core clock speed
600 MHz
725 MHz
Floating-point performance
192 gflops
696.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
370 million
716 million
Pipelines / CUDA cores
160
480
Power consumption (TDP)
-
35 Watt
Texture fill rate
4.800
17.40
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
3600 MHz
Memory bandwidth
12.8 GB/s
57.6 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