ATI Radeon HD 4580 videocard review

Radeon HD 4580 videocard released by ATI; release date: 20 November 2011. The videocard is designed for desktop-computers and based on TeraScale microarchitecture codenamed RV635.

Core clock speed - 796 MHz. Texture fill rate - 6.37 GTexel / s. Pipelines - 120. Floating-point performance - 191.04 gflops. Manufacturing process technology - 55 nm. Transistors count - 378 million. Power consumption (TDP) - 65 Watt.

Memory type: GDDR3. Maximum RAM amount - 512 MB. Memory bus width - 128 Bit. Memory clock speed - 1386 MHz. Memory bandwidth - 22.18 GB / s.

Specifications (specs)

Essentials
Architecture	TeraScale
Code name	RV635
Launch date	20 November 2011
Place in performance rating	not rated
Type	Desktop
Technical info
Core clock speed	796 MHz
Floating-point performance	191.04 gflops
Manufacturing process technology	55 nm
Pipelines	120
Texture fill rate	6.37 GTexel / s
Thermal Design Power (TDP)	65 Watt
Transistor count	378 million

Video outputs and ports
Display Connectors	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Length	190 mm
Supplementary power connectors	None
API support
DirectX	10.1
OpenGL	3.3
Memory
Maximum RAM amount	512 MB
Memory bandwidth	22.18 GB / s
Memory bus width	128 Bit
Memory clock speed	1386 MHz
Memory type	GDDR3