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

VS

AMD Radeon HD 7970M

NVIDIA GeForce 8600M GT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 512MB VRAM GeForce 8600M GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Released 4 years and 6 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 20.32GB/s)

1248 additional rendering cores

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +3526%

2.176 TFLOPS

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Radeon HD 7970M

VS

GeForce 8600M GT Mac Edition

Graphics Card

Apr 2012

Release Date

Oct 2007

London

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1200 MHz

Memory Clock

635 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

20.32GB/s

Render Config

20

Compute Units

-

SM Count

4

1280

Shading Units

32

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

3.760 GPixel/s

68.00 GTexel/s

Texture Rate

7.520 GTexel/s

-

2.176 TFLOPS

FP32 (float)

60.16 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

G84

Wimbledon XT (216-0836036)

GPU Variant

NB8P-GS

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.289 billion

212 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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