AMD Radeon HD 8670M vs NVIDIA GeForce 8600M GT Mac Edition

VS

AMD Radeon HD 8670M NVIDIA GeForce 8600M GT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 8670M 's Advantages

Released 5 years and 5 months late

Boost Clock975MHz

More VRAM (1024GB vs 512GB)

288 additional rendering cores

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Larger VRAM bandwidth (20.32GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670M +940%

0.624 TFLOPS

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Radeon HD 8670M

VS

GeForce 8600M GT Mac Edition

Graphics Card

Mar 2013

Release Date

Oct 2007

Solar System

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

635 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

20.32GB/s

Render Config

-

SM Count

4

5

Compute Units

-

320

Shading Units

32

20

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

3.760 GPixel/s

19.50 GTexel/s

Texture Rate

7.520 GTexel/s

-

FP16 (half)

-

624.0 GFLOPS

FP32 (float)

60.16 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Graphics Processor

Sun

GPU Name

G84

Sun S3 XT (216-0841009)

GPU Variant

NB8P-GS

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

0.69 billion

Transistors

0.289 billion

56 mm²

Die Size

169 mm²

Board Design

Unknown

TDP

20W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5 (5.1)

Shader Model

4.0

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