NVIDIA GeForce 8600 GT vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce 8600 GT

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GT and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 4 years and 5 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

928 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT

0.076 TFLOPS

Radeon HD 6850 X2 +1921%

1.536 TFLOPS

GeForce 8600 GT

VS

Radeon HD 6850 X2

Graphics Card

Apr 2007

Release Date

Sep 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.40GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

4

SM Count

-

32

Shading Units

960

16

TMUs

48

8

ROPs

32

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

25.60 GPixel/s

8.640 GTexel/s

Texture Rate

38.40 GTexel/s

-

76.16 GFLOPS

FP32 (float)

1.536 TFLOPS

-

Board Design

47W

TDP

254W

200 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

G84

GPU Name

Barts

G84-303-A2

GPU Variant

Barts PRO (215-0798006)

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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