ATI Radeon HD 3850 X3 vs ATI Radeon HD 2400

VS

ATI Radeon HD 3850 X3

ATI Radeon HD 2400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 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 3850 X3 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (54.40GB/s vs 7.920GB/s)

280 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3 +1237%

0.428 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 3850 X3

VS

ATI Radeon HD 2400

Graphics Card

Unknown

Release Date

Feb 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

850 MHz

Memory Clock

495 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

64bit

54.40GB/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

10.70 GPixel/s

Pixel Rate

1.592 GPixel/s

10.70 GTexel/s

Texture Rate

1.592 GTexel/s

-

428.2 GFLOPS

FP32 (float)

31.84 GFLOPS

-

Board Design

145W

TDP

20W

300 W

Suggested PSU

200 W

4x DVI

Outputs

1x DVI 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV610

RV670 PRO (215-0708003)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

0.18 billion

192 mm²

Die Size

85 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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