NVIDIA GeForce GTX 675MX vs NVIDIA GeForce GT 745A

VS

NVIDIA GeForce GTX 675MX

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

576 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Released 10 months late

Boost Clock915MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +78%

1.256 TFLOPS

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 675MX

VS

GeForce GT 745A

Graphics Card

Oct 2012

Release Date

Aug 2013

GeForce 600M

Generation

GeForce 700A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

837 MHz

-

Boost Clock

915 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

-

960

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.08 GPixel/s

Pixel Rate

7.320 GPixel/s

52.32 GTexel/s

Texture Rate

29.28 GTexel/s

-

1256 GFLOPS

FP32 (float)

702.7 GFLOPS

52.32 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GK107

N13E-GSR-A2

GPU Variant

N14P-LP

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

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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