AMD Radeon HD 7970 X2 vs NVIDIA GeForce 8600 GT Mac Edition

VS

AMD Radeon HD 7970 X2 NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 X2 's Advantages

Released 5 years and 4 months late

Larger VRAM bandwidth (264.0GB/s vs 24.00GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +3974%

3.789 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 7970 X2

VS

GeForce 8600 GT Mac Edition

Graphics Card

Aug 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

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

750 MHz

Memory

3GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

24.00GB/s

Render Config

-

SM Count

4

32

Compute Units

-

2048

Shading Units

32

128

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

4.800 GPixel/s

118.4 GTexel/s

Texture Rate

9.600 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

92.80 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

G84

-

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

Board Design

500W

TDP

47W

900 W

Suggested PSU

200 W

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

Outputs

2x DVI

3x 8-pin

Power Connectors

None

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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