ATI Radeon HD 3850 Full Specs

Summary

320 Shaders 668MHz

512MB GDDR457.6GB/s

Peak·FP32·FP16 427.5 GFLOPS

Form Factor PCIe Card

TDP 75W

Power Connectors 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth

Radeon HD 3850427.5 GFLOPSFP32

x1

Top Score3.35 PFLOPS FP4 Tensor SparseDesktop1xGeForce RTX 5090

x7840.77

Theoretical Performance

Clock Speed668MHz UC·Boost·OC

Peak OPS 427.5 GFLOPSFP32

FP32 427.5 GFLOPS

FP64 85.5 GFLOPS

Pixel Rate 10.7 GPixel/s

Texture Rate 10.7 GTexel/s

Core Config

Shaders 320 Shaders

TMUs 16 TMUs

ROPs 16 ROPs

CUs 4 CUs

Clocks

Boost Clock 668MHz

Cache

L1 32KB/4SPs

L2 Cache 256KB shared

Memory

512MB GDDR4

Memory Bus 256-bit

Memory Speed 1.8GT/s

Memory Bandwidth 57.6GB/s

ECC No

Power & Thermals

TDP 75W

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

Power Connectors 1x 6-Pin

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

Chip

Manufacturer ATI

Chip Designer ATI

Architecture TeraScale 1

Family Radeon HD 3000

Branding

Codename Boom

Chip Variant RV670 Pro

Market Segment Desktop

Release Date Nov 19, 2007

Fabrication

Foundry TSMC

Fabrication Node 55nm

Die Size 192mm²

Transistor Count 666M

Transistor Density 3.47 MTr/mm²

Images