NVIDIA GeForce 8600 GS vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce 8600 GS

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GS and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GS 's Advantages

Lower TDP (47W vs 165W)

ATI Radeon HD 3870 X2 's Advantages

Released 9 months late

Larger VRAM bandwidth (57.66GB/s vs 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GS

0.038 TFLOPS

Radeon HD 3870 X2 +1289%

0.528 TFLOPS

GeForce 8600 GS

VS

Radeon HD 3870 X2

Graphics Card

Apr 2007

Release Date

Jan 2008

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

901 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

8

ROPs

16

-

32 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

13.20 GPixel/s

4.320 GTexel/s

Texture Rate

13.20 GTexel/s

-

38.08 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

47W

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

G84

GPU Name

R680

-

GPU Variant

R680 XT (215-0708017)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.289 billion

Transistors

0.666 billion

169 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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