NVIDIA GeForce GTX 580M vs AMD Radeon R9 M485X

VS

NVIDIA GeForce GTX 580M

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

Lower TDP (100W vs 250W)

AMD Radeon R9 M485X 's Advantages

Released 4 years and 11 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 580M

0.952 TFLOPS

Radeon R9 M485X +211%

2.961 TFLOPS

GeForce GTX 580M

VS

Radeon R9 M485X

Graphics Card

Jun 2011

Release Date

May 2016

GeForce 500M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

750 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

8

SM Count

-

384

Shading Units

2048

64

TMUs

128

32

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

23.14 GPixel/s

39.68 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

952.3 GFLOPS

FP32 (float)

2.961 TFLOPS

79.36 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GF114

GPU Name

Amethyst

N12E-GTX2-A1

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

5 billion

332 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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