AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce GTX 580M

VS

AMD Radeon R9 M295X Mac Edition

NVIDIA GeForce GTX 580M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 2GB VRAM GeForce GTX 580M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 3 years and 5 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 96.00GB/s)

1664 additional rendering cores

NVIDIA GeForce GTX 580M 's Advantages

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +265%

3.482 TFLOPS

GeForce GTX 580M

0.952 TFLOPS

Radeon R9 M295X Mac Edition

VS

GeForce GTX 580M

Graphics Card

Nov 2014

Release Date

Jun 2011

Crystal System

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1362 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.3GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

-

SM Count

8

2048

Shading Units

384

128

TMUs

64

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

9.920 GPixel/s

108.8 GTexel/s

Texture Rate

39.68 GTexel/s

3.482 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

952.3 GFLOPS

217.6 GFLOPS

FP64 (double)

79.36 GFLOPS

Board Design

250W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GF114

Amethyst XT

GPU Variant

N12E-GTX2-A1

GCN 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.95 billion

366 mm²

Die Size

332 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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