AMD Radeon HD 7770M videocard review

Radeon HD 7770M videocard released by AMD; release date: 24 April 2012. The videocard is designed for laptop-computers and based on GCN 1.0 microarchitecture codenamed Chelsea.

Core clock speed - 675 MHz. Texture fill rate - 21.6 GTexel / s. Pipelines - 512. Floating-point performance - 691.2 gflops. Manufacturing process technology - 28 nm. Transistors count - 1,500 million. Power consumption (TDP) - 32 Watt.

Memory type: GDDR5. Maximum RAM amount - 1 GB. Memory bus width - 128 Bit. Memory clock speed - 4000 MHz. Memory bandwidth - 64 GB / s. Shared memory - 0.

Specifications (specs)

Essentials
Architecture	GCN 1.0
Code name	Chelsea
Launch date	24 April 2012
Place in performance rating	not rated
Type	Laptop
Technical info
Core clock speed	675 MHz
Floating-point performance	691.2 gflops
Manufacturing process technology	28 nm
Pipelines	512
Texture fill rate	21.6 GTexel / s
Thermal Design Power (TDP)	32 Watt
Transistor count	1,500 million

Video outputs and ports
Display Connectors	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Laptop size	medium sized
API support
DirectX	12.0 (11_1)
OpenGL	4.5
Memory
Maximum RAM amount	1 GB
Memory bandwidth	64 GB / s
Memory bus width	128 Bit
Memory clock speed	4000 MHz
Memory type	GDDR5
Shared memory	0