AMD Radeon HD 6990 Full Specs

Summary

3,072 Shaders 830MHz

4GB GDDR5320GB/s

Peak·FP32·FP16 5.1 TFLOPS

Form Factor PCIe Card

TDP 375W

Power Connectors 2x 8-Pin

Theoretical Performance

Clock Speed830MHz UC·Boost·OC

Peak OPS 5.1 TFLOPSFP32

FP32 5.1 TFLOPS

FP64 1.27 TFLOPS

Pixel Rate 26.6 GPixel/s

Texture Rate 79.7 GTexel/s

Core Config

Shaders 3,072 Shaders

TMUs 192 TMUs

ROPs 64 ROPs

CUs 48 CUs

Clocks

Boost Clock 830MHz

Cache

L1 8KB/CU

L2 Cache 512KB shared

Memory

4GB GDDR5

Memory Bus 256-bit

Memory Speed 5GT/s

Memory Bandwidth 320GB/s

ECC No

Power & Thermals

TDP 375W

Video Output

Max Resolution 2560x1600

Refresh Rate Calculator 2560x1440 Resolution1440p QHD Refresh Rate 66Hz

Multi-Monitor 4

DSC Not Supported

Ports

4x Mini DisplayPort 1.1 1x DVI-I Dual-Link

API Support

Shader Model 5

DirectX DirectX 11 Direct3D 11_0

OpenGL 4.5 OpenCL 1.2

GFX 5

Decoder

Decoder UVD 3.1

Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor PCIe Card

PCIe PCIe 2.1 x16 2-Slots

Height 115mm (4.53") Width 310mm (12.2") Depth 40mm (1.57")

Cooling Blower 1x Fan

Power Connectors 2x 8-Pin

Multi-GPU Multi-GPU Support Supported Multi-GPU Type 4-way CrossFireX

Chip

Manufacturer AMD

Chip Designer AMD

Architecture TeraScale 3

Family Radeon HD 6000

Branding

Codename Cayman

Chip Variant Cayman CE

Market Segment Desktop

Release Date Mar 8, 2011

Fabrication

Foundry TSMC

Fabrication Node 40nm

Die Size 389mm²

Transistor Count 2.6B

Transistor Density 6.79 MTr/mm²

Images