ATI Radeon HD 2600 PRO AGP vs ATI Radeon HD 4870 X2

VS

ATI Radeon HD 2600 PRO AGP

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 PRO AGP 's Advantages

Lower TDP (35W vs 286W)

ATI Radeon HD 4870 X2 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 12.67GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

Radeon HD 4870 X2 +739%

1.2 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

Radeon HD 4870 X2

Graphics Card

Jun 2007

Release Date

Aug 2008

Radeon R600

Generation

Radeon R700

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.67GB/s

Bandwidth

115.2GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

12.00 GPixel/s

4.752 GTexel/s

Texture Rate

30.00 GTexel/s

-

142.6 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

35W

TDP

286W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV630

GPU Name

R700

RV630 PRO (215CDBBKA15FG)

GPU Variant

R700 XT (215-0669045)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.956 billion

153 mm²

Die Size

256 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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