ATI Radeon HD 4670 Full Specs

Summary

320 Shaders 750MHz

512MB GDDR316GB/s

Peak·FP32·FP16 480 GFLOPS

Form Factor PCIe Card

TDP 59W

Theoretical Performance

Clock Speed750MHz UC·Boost·OC

Peak OPS 480 GFLOPSFP32

FP32 480 GFLOPS

Pixel Rate 6 GPixel/s

Texture Rate 24 GTexel/s

Core Config

Shaders 320 Shaders

TMUs 32 TMUs

ROPs 8 ROPs

CUs 4 CUs

Clocks

Boost Clock 750MHz

Cache

L1 16KB/CU

L2 Cache 128KB shared

Memory

512MB GDDR3

Memory Bus 128-bit

Memory Speed 1GT/s

Memory Bandwidth 16GB/s

ECC No

Power & Thermals

TDP 59W

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 2.2

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 Mario

Chip Variant RV730 Pro

Market Segment Desktop

Release Date Sep 10, 2008

Fabrication

Foundry TSMC

Fabrication Node 55nm

Die Size 146mm²

Transistor Count 514M

Transistor Density 3.52 MTr/mm²

Images