ATI Radeon HD 4580 Full Specs

Summary

120 Shaders 796MHz

512MB GDDR322.2GB/s

Peak·FP32·FP16 191 GFLOPS

Form Factor PCIe Card

TDP 65W

Theoretical Performance

Clock Speed796MHz UC·Boost·OC

Peak OPS 191 GFLOPSFP32

FP32 191 GFLOPS

Pixel Rate 3.2 GPixel/s

Texture Rate 6.4 GTexel/s

Core Config

Shaders 120 Shaders

TMUs 8 TMUs

ROPs 4 ROPs

CUs 3 CUs

Clocks

Boost Clock 796MHz

Cache

L1 32KB/4SPs

L2 Cache 128KB shared

Memory

512MB GDDR3

Memory Bus 128-bit

Memory Speed 1.4GT/s

Memory Bandwidth 22.2GB/s

ECC No

Power & Thermals

TDP 65W

Video Output

Max Resolution 2560x1600

Refresh Rate Calculator 2560x1440 Resolution1440p QHD Refresh Rate 66Hz

Multi-Monitor 2

DSC Not Supported

Ports

2x DVI-I Dual-Link 1x S-Video

API Support

Shader Model 4.1

DirectX DirectX 10 Direct3D 10_1

OpenGL 3.3 OpenCL 1.1

GFX 3

Decoder

Decoder UVD 1.0

Codec VC-1 AVC (H.264)

Card

Form Factor PCIe Card

PCIe PCIe 2.0 x16 1-Slots

Cooling Blower 1x Fan

Multi-GPU Multi-GPU Support Supported Multi-GPU Type 2-way CrossFireX

Chip

Manufacturer ATI

Chip Designer ATI

Architecture TeraScale 1

Family Radeon HD 4000

Branding

Codename Wario

Chip Variant RV635 Pro

Market Segment Desktop

Release Date Nov 20, 2011

Fabrication

Foundry TSMC

Fabrication Node 55nm

Die Size 153mm²

Transistor Count 378M

Transistor Density 2.47 MTr/mm²

Images