NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 675MX

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce GTX 675MX

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

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 10 months late

Boost Clock915MHz

Lower TDP (33W vs 100W)

NVIDIA GeForce GTX 675MX 's Advantages

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

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 675MX +78%

1.256 TFLOPS

GeForce GT 745A

VS

GeForce GTX 675MX

Graphics Card

Aug 2013

Release Date

Oct 2012

GeForce 700A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

-

384

Shading Units

960

32

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

13.08 GPixel/s

29.28 GTexel/s

Texture Rate

52.32 GTexel/s

-

702.7 GFLOPS

FP32 (float)

1256 GFLOPS

29.28 GFLOPS

FP64 (double)

52.32 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GK104

N14P-LP

GPU Variant

N13E-GSR-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

3.54 billion

118 mm²

Die Size

294 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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