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

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