NVIDIA GeForce 8600 GS vs AMD Radeon HD 6870 X2

VS

NVIDIA GeForce 8600 GS

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GS and 1024MB VRAM Radeon HD 6870 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 300W)

AMD Radeon HD 6870 X2 's Advantages

Released 4 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 12.80GB/s)

1104 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GS

0.038 TFLOPS

Radeon HD 6870 X2 +5205%

2.016 TFLOPS

GeForce 8600 GS

VS

Radeon HD 6870 X2

Graphics Card

Apr 2007

Release Date

Jul 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

2

SM Count

-

16

Shading Units

1120

8

TMUs

56

8

ROPs

32

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

28.80 GPixel/s

4.320 GTexel/s

Texture Rate

50.40 GTexel/s

-

38.08 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

47W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

G84

GPU Name

Barts

-

GPU Variant

Barts XT (215-0798000)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.289 billion

Transistors

1.7 billion

169 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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