AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon HD 7970 GHz Edition

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition 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 7970 GHz Edition 's Advantages

Released 5 years and 2 months late

Boost Clock1050MHz

More VRAM (3GB vs 128GB)

Larger VRAM bandwidth (288.0GB/s vs 24.00GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +4524%

4.301 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 7970 GHz Edition

VS

GeForce 8600 GT Mac Edition

Graphics Card

Jun 2012

Release Date

Apr 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

750 MHz

Memory

3GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

24.00GB/s

Render Config

32

Compute Units

-

SM Count

4

2048

Shading Units

32

128

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

4.800 GPixel/s

134.4 GTexel/s

Texture Rate

9.600 GTexel/s

-

4.301 TFLOPS

FP32 (float)

92.80 GFLOPS

1075 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

47W

700 W

Suggested PSU

200 W

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

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

G84

Tahiti XT2 (215-0821065)

GPU Variant

G84-303-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.289 billion

352 mm²

Die Size

169 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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