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ATI Radeon HD 2900 XTX

R600
Graphics Processor
320
Cores
16
TMUs
16
ROPs
512 MB
Memory Size
GDDR3
Memory Type
512 bit
Bus Width
ATI Radeon HD 2900 XTX Photo ATI R600 Photo
The Radeon HD 2900 XTX was a graphics card by ATI, launched in January 2007. 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.
Being a dual-slot card, the ATI Radeon HD 2900 XTX draws power from 2x 6-pin power connectors, with power draw rated at 240 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 2900 XTX is connected to the rest of the system using a PCI-Express 1.0 x16 interface. The card measures 330 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name
R600
GPU Variant
R600 XTX
(215RGMDKA13FG)
Architecture
TeraScale
Process Size
80 nm
Transistors
720 million
Die Size
420 mm²

Graphics Card

Release Date
Never Released
Generation
Radeon R600
(HD 2900)
Production
End-of-life
Bus Interface
PCIe 1.0 x16

Relative Performance

23%
29%
36%
46%
54%
57%
70%
92%
93%
100%
Radeon HD 2900 XTX
101%
106%
109%
125%
133%
142%
147%
153%
158%
168%
178%
182%
187%
193%
221%
223%
227%
229%
230%
232%
234%
248%
261%
265%
275%
277%
280%
282%
283%
284%
289%
303%
309%
332%
338%
338%
352%
353%
365%
390%
402%
404%
412%
414%
428%
433%
436%
444%
465%
474%
481%
482%
483%
485%
523%
528%
541%
547%
550%
554%
555%
565%
566%
582%
627%
643%
659%
663%
670%
677%
693%
711%
727%
745%
755%
756%
837%
921%
934%
996%
1002%
1015%
1028%
1037%
1042%
1057%
1062%
1067%
1076%
1134%
1157%
1172%
1172%
1289%
1312%
1334%
1434%
1575%
1630%
1756%
1756%
1852%
2167%
2223%
2423%
2756%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
743 MHz
Memory Clock
828 MHz
1656 MHz effective

Memory

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

Theoretical Performance

Pixel Rate
11.89 GPixel/s
Texture Rate
11.89 GTexel/s
FP32 (float) performance
475.5 GFLOPS

Board Design

Slot Width
Dual-slot
Length
13 inches
330 mm
TDP
240 W
Outputs
2x DVI
1x S-Video
Power Connectors
2x 6-pin

Graphics Features

DirectX
10.0
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Shader Model
4.0

Card Notes

Unreleased Prototype

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

Clear Version: Rev.A01 0629 Engineering Sample with A11 Silicon R600 XTX

Red Version: Rev.A1 0646 Engineering Sample with A12 Silicon R600 XTX
Red Version: Rev.A1 0704 Engineering Sample with A13 Silicon R600 XTX
Red Version: Rev.A1 0705 Engineering Sample with A13 Silicon R600 XTX

R600 GPU Notes

Graphics/Compute: GFX3
Display Core Engine: 2.0
Avivo HD Video

Retail boards based on this design (5)

Name GPU Clock Memory Clock Other Changes
ATi Radeon HD 2900 XTX Prototype A0 0639 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 0704 750 MHz 1010 MHz 1024 MB, GDDR4
ATi Radeon HD 2900 XTX OEM Prototype 800 MHz 1100 MHz 1024 MB, GDDR4
ATi Radeon HD 2900 XTX Prototype A1 0705 750 MHz 1010 MHz 1024 MB, GDDR4