ATI Radeon HD 2900 PRO vs ATI Radeon X800 GT AGP

VS

ATI Radeon HD 2900 PRO

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 256MB VRAM Radeon X800 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 31.55GB/s)

320 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 200W)

Score

Radeon HD 2900 PRO

VS

Radeon X800 GT AGP

Graphics Card

Dec 2007

Release Date

Nov 2007

Radeon R600

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

800 MHz

Memory Clock

493 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

31.55GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

8

16

ROPs

8

-

128 KB

L2 Cache

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

3.784 GPixel/s

9.600 GTexel/s

Texture Rate

3.784 GTexel/s

-

384.0 GFLOPS

FP32 (float)

-

Board Design

200W

TDP

40W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

1x Molex

Graphics Processor

R600

GPU Name

R420

R600 PRO (215RGMDKA13FG)

GPU Variant

R420 GT (215RAACGA12F)

TeraScale

Architecture

R400

TSMC

Foundry

TSMC

80 nm

Process Size

130 nm

0.72 billion

Transistors

0.16 billion

420 mm²

Die Size

281 mm²

Graphics Features

10.0 (10_0)

DirectX

9.0b (9_2)

3.3 (full) 4.0 (partial)

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

-

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