Radeon HD 7770M and Radeon HD 7730M - video card comparison
Radeon HD 7770M
Radeon HD 7730M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Chelsea XT
Lombok GL
Market segment
Laptop
Laptop
Release date
April 2012
April 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Boost clock speed
-
675 MHz
Core clock speed
675 MHz
575 MHz
Floating-point performance
691.2 gflops
691.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,500 million
Pipelines / CUDA cores
512
512
Power consumption (TDP)
32 Watt
25 Watt
Texture fill rate
21.60
21.60
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
1800 MHz
Memory bandwidth
64 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131