NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon HD 7590M

VS

NVIDIA GeForce GTX 660M Mac Edition AMD Radeon HD 7590M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM Radeon HD 7590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

AMD Radeon HD 7590M 's Advantages

More VRAM (1024GB vs 512GB)

96 additional rendering cores

Lower TDP (18W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +26%

0.73 TFLOPS

Radeon HD 7590M

0.576 TFLOPS

GeForce GTX 660M Mac Edition

VS

Radeon HD 7590M

Graphics Card

Apr 2013

Release Date

Jan 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

4.800 GPixel/s

30.40 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

576.0 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Thames

-

GPU Variant

Thames XT (216-0833000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

104 mm²

Board Design

50W

TDP

18W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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