ATI Radeon HD 2900 XT vs ATI Radeon HD 2400

VS

ATI Radeon HD 2900 XT

ATI Radeon HD 2400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (106.0GB/s vs 7.920GB/s)

280 additional rendering cores

ATI Radeon HD 2400 's Advantages

Released 9 months late

Lower TDP (20W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT +1387%

0.476 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 2900 XT

VS

ATI Radeon HD 2400

Graphics Card

May 2007

Release Date

Feb 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

495 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

7.920GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

1.592 GPixel/s

11.89 GTexel/s

Texture Rate

1.592 GTexel/s

-

475.5 GFLOPS

FP32 (float)

31.84 GFLOPS

-

Board Design

215W

TDP

20W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

RV610

R600 XT (215RGMDKA13FG)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

65 nm

0.72 billion

Transistors

0.18 billion

420 mm²

Die Size

85 mm²

Graphics Features

10.0 (10_0)

DirectX

10.0 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.0

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