ATI Radeon HD 2600 PRO AGP vs ATI Radeon HD 3870 X2

VS

ATI Radeon HD 2600 PRO AGP

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 512MB VRAM Radeon HD 3870 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 165W)

ATI Radeon HD 3870 X2 's Advantages

Released 7 months late

Larger VRAM bandwidth (57.66GB/s vs 12.67GB/s)

200 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

Radeon HD 3870 X2 +269%

0.528 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

Radeon HD 3870 X2

Graphics Card

Jun 2007

Release Date

Jan 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

901 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

256bit

12.67GB/s

Bandwidth

57.66GB/s

Render Config

3

Compute Units

4

-

120

Shading Units

320

8

TMUs

16

4

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

13.20 GPixel/s

4.752 GTexel/s

Texture Rate

13.20 GTexel/s

-

142.6 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

35W

TDP

165W

200 W

Suggested PSU

450 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

R680

RV630 PRO (215CDBBKA15FG)

GPU Variant

R680 XT (215-0708017)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.666 billion

153 mm²

Die Size

192 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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