NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 520MX

VS

NVIDIA GeForce GTX 660M Mac Edition NVIDIA GeForce GT 520MX

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM GeForce GT 520MX 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 11 months late

Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)

336 additional rendering cores

NVIDIA GeForce GT 520MX 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (20W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +321%

0.73 TFLOPS

GeForce GT 520MX

0.173 TFLOPS

GeForce GTX 660M Mac Edition

VS

GeForce GT 520MX

Graphics Card

Apr 2013

Release Date

May 2011

GeForce 600M

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

-

Compute Units

-

384

Shading Units

48

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

1.800 GPixel/s

30.40 GTexel/s

Texture Rate

7.200 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

172.8 GFLOPS

30.40 GFLOPS

FP64 (double)

14.40 GFLOPS

Graphics Processor

GK107

GPU Name

GF119

-

GPU Variant

N12P-GVR-B-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.292 billion

118 mm²

Die Size

79 mm²

Board Design

50W

TDP

20W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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