AMD Radeon HD 6850 vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon HD 6850

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 128MB VRAM GeForce 8600 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (128.0GB/s vs 24.00GB/s)

928 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 127W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 +1500%

1.488 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 6850

VS

GeForce 8600 GT Mac Edition

Graphics Card

Oct 2010

Release Date

Apr 2007

Northern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

24.00GB/s

Render Config

12

Compute Units

-

SM Count

4

960

Shading Units

32

48

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

4.800 GPixel/s

37.20 GTexel/s

Texture Rate

9.600 GTexel/s

-

1488 GFLOPS

FP32 (float)

92.80 GFLOPS

-

Board Design

127W

TDP

47W

300 W

Suggested PSU

200 W

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

Outputs

2x DVI

1x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

G84

Barts PRO (215-0798006)

GPU Variant

G84-303-A2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.289 billion

255 mm²

Die Size

169 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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