AMD Radeon HD 6970 vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon HD 6970

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 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 6970 's Advantages

Released 3 years and 8 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (176.0GB/s vs 24.00GB/s)

1504 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +2806%

2.703 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 6970

VS

GeForce 8600 GT Mac Edition

Graphics Card

Dec 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

-

1375 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

24.00GB/s

Render Config

24

Compute Units

-

SM Count

4

1536

Shading Units

32

96

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

4.800 GPixel/s

84.48 GTexel/s

Texture Rate

9.600 GTexel/s

-

2.703 TFLOPS

FP32 (float)

92.80 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

47W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

G84

Cayman XT (215-0807007)

GPU Variant

G84-303-A2

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.289 billion

389 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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