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ATI Radeon HD 2900 XTX

ATI Radeon HD 2900 XTX Image ATI R600 Image

This graphics card is not released yet.

Data on this page may change in the future.

The Radeon HD 2900 XTX is a graphics card by ATI that is not released yet. Built on the 80 nm process, and based on the R600 graphics processor, in its R600 XTX variant, the card supports DirectX 10.0. The R600 graphics processor is a large chip with a die area of 420 mm² and 720 million transistors. It features 320 shading units, 16 texture mapping units and 16 ROPs. ATI has placed 512 MB GDDR3 memory on the card, which are connected using a 512-bit memory interface. The GPU is operating at a frequency of 743 MHz, memory is running at 828 MHz.
We recommend the ATI Radeon HD 2900 XTX for gaming with highest details at resolutions up to, and including, 1280x720.
Being a dual-slot card, the ATI Radeon HD 2900 XTX draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 215 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 2900 XTX is connected to the rest of the system using a PCIe 1.0 x16 interface. The card measures 305 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name: R600
GPU Variant: R600 XTX
Architecture: TeraScale
Process Size: 80 nm
Transistors: 720 million
Die Size: 420 mm²

Graphics Card

Released: Unreleased
Production Status: Unreleased
Bus Interface: PCIe 1.0 x16

Clock Speeds

GPU Clock: 743 MHz
Memory Clock: 828 MHz
1656 MHz effective


Memory Size: 512 MB
Memory Type: GDDR3
Memory Bus: 512 bit
Bandwidth: 106.0 GB/s

Render Config

Shading Units: 320
TMUs: 16
ROPs: 16
Compute Units: 4
Pixel Rate: 11.89 GPixel/s
Texture Rate: 11.89 GTexel/s
Floating-point performance: 475.5 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 12 inches
305 mm
TDP: 215 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 1x 6-pin + 1x 8-pin

Graphics Features

DirectX: 10.0
OpenGL: 3.3
OpenCL: 1.0
Shader Model: 4.0


Our review database contains 63 reviews of the Radeon HD 2900 XTX.

Card Notes

Unreleased Prototype
Black Version: Rev.A0 0639 Engineering Sample with A11 Silicon R600 XTX

Clear Version: Rev.A01

Red Version: Rev.A1 0705 Engineering Sample with A13 Silicon R600 XTX

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ATi Radeon HD 2900 XTX Prototype A0 743 MHz 828 MHz
ATi Radeon HD 2900 XTX Prototype A01 750 MHz 1010 MHz 1024 MB, GDDR4
ATi Radeon HD 2900 XTX Prototype A1 750 MHz 1010 MHz 1024 MB, GDDR4