NVIDIA GeForce GTX 660M Mac Edition vs NVIDIA GeForce GT 750M Mac Edition

VS

NVIDIA GeForce GTX 660M Mac Edition NVIDIA GeForce GT 750M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM GeForce GT 750M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 750M Mac Edition 's Advantages

Released 7 months late

Larger VRAM bandwidth (80.26GB/s vs 80.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +2%

0.73 TFLOPS

GeForce GT 750M Mac Edition

0.711 TFLOPS

GeForce GTX 660M Mac Edition

VS

GeForce GT 750M Mac Edition

Graphics Card

Apr 2013

Release Date

Nov 2013

GeForce 600M

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1254 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

80.26GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

384

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

7.408 GPixel/s

30.40 GTexel/s

Texture Rate

29.63 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

711.2 GFLOPS

30.40 GFLOPS

FP64 (double)

29.63 GFLOPS

Graphics Processor

GK107

GPU Name

GK107

-

GPU Variant

N14P-GT

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.27 billion

118 mm²

Die Size

118 mm²

Board Design

50W

TDP

50W

-

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

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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