NVIDIA GeForce 8600M GT Mac Edition vs AMD Radeon HD 7870M

VS

NVIDIA GeForce 8600M GT Mac Edition

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Lower TDP (20W vs 45W)

AMD Radeon HD 7870M 's Advantages

Released 4 years and 6 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 20.32GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Radeon HD 7870M +1606%

1.024 TFLOPS

GeForce 8600M GT Mac Edition

VS

Radeon HD 7870M

Graphics Card

Oct 2007

Release Date

Apr 2012

GeForce 8M

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

635 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

20.32GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

4

SM Count

-

32

Shading Units

640

16

TMUs

40

8

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

3.760 GPixel/s

Pixel Rate

12.80 GPixel/s

7.520 GTexel/s

Texture Rate

32.00 GTexel/s

-

60.16 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

20W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G84

GPU Name

Heathrow

NB8P-GS

GPU Variant

Heathrow XT (216-0835033)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

1.5 billion

169 mm²

Die Size

123 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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