ATI Radeon HD 4870 X2 vs ATI Radeon HD 2400 XT

VS

ATI Radeon HD 4870 X2

ATI Radeon HD 2400 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 256MB VRAM ATI Radeon HD 2400 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 8.000GB/s)

760 additional rendering cores

ATI Radeon HD 2400 XT 's Advantages

Lower TDP (25W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +2207%

1.2 TFLOPS

ATI Radeon HD 2400 XT

0.052 TFLOPS

Radeon HD 4870 X2

VS

ATI Radeon HD 2400 XT

Graphics Card

Aug 2008

Release Date

Jun 2007

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.600 GPixel/s

30.00 GTexel/s

Texture Rate

2.600 GTexel/s

-

1200 GFLOPS

FP32 (float)

52.00 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

286W

TDP

25W

600 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

RV610

R700 XT (215-0669045)

GPU Variant

RV610 PRO (215LKCAKA14FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.956 billion

Transistors

0.18 billion

256 mm²

Die Size

85 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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