NVIDIA GeForce GTX 580M vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce GTX 580M

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 4GB VRAM Radeon R9 M395X Mac Edition 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 M395X Mac Edition 's Advantages

Released 3 years and 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.7GB/s vs 96.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 580M

0.952 TFLOPS

Radeon R9 M395X Mac Edition +291%

3.723 TFLOPS

GeForce GTX 580M

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jun 2011

Release Date

May 2015

GeForce 500M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

750 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

174.7GB/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

29.09 GPixel/s

39.68 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

952.3 GFLOPS

FP32 (float)

3.723 TFLOPS

79.36 GFLOPS

FP64 (double)

232.7 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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