NVIDIA GeForce GTX 775M Mac Edition vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce GTX 775M Mac Edition NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M 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 GTX 775M Mac Edition 's Advantages

Released 7 months late

Larger VRAM bandwidth (160.0GB/s vs 80.00GB/s)

960 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 775M Mac Edition +193%

2.142 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce GTX 775M Mac Edition

VS

GeForce GTX 660M Mac Edition

Graphics Card

Nov 2013

Release Date

Apr 2013

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

Compute Units

-

1344

Shading Units

384

112

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

22.32 GPixel/s

Pixel Rate

7.600 GPixel/s

89.26 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

2.142 TFLOPS

FP32 (float)

729.6 GFLOPS

89.26 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

GK104

GPU Name

GK107

N13E-GTX-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 mm²

Die Size

118 mm²

Board Design

100W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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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