AMD Radeon R9 M485X vs NVIDIA GeForce 8600M GT

VS

AMD Radeon R9 M485X

NVIDIA GeForce 8600M GT

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 512MB VRAM GeForce 8600M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 9 years late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 22.40GB/s)

2016 additional rendering cores

NVIDIA GeForce 8600M GT 's Advantages

Lower TDP (20W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +4754%

2.961 TFLOPS

GeForce 8600M GT

0.061 TFLOPS

Radeon R9 M485X

VS

GeForce 8600M GT

Graphics Card

May 2016

Release Date

May 2007

Crystal System

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1250 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

22.40GB/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

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

3.800 GPixel/s

92.54 GTexel/s

Texture Rate

7.600 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

60.80 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

G84

Amethyst XT

GPU Variant

NB8P-GS

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

5 billion

Transistors

0.289 billion

366 mm²

Die Size

169 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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