NVIDIA GeForce GT 755M Mac Edition vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce GT 755M Mac Edition

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Released 7 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition +14%

0.833 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce GT 755M Mac Edition

VS

GeForce GTX 660M Mac Edition

Graphics Card

Nov 2013

Release Date

Apr 2013

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

80.00GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

7.600 GPixel/s

34.72 GTexel/s

Texture Rate

30.40 GTexel/s

-

833.3 GFLOPS

FP32 (float)

729.6 GFLOPS

34.72 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

50W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GK107

GT 755M

GPU Variant

-

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

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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