NVIDIA GeForce GT 745A vs NVIDIA GeForce 945A

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

More VRAM (2GB vs 1024GB)

NVIDIA GeForce 945A 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 30% (1189MHz vs 915MHz)

Larger VRAM bandwidth (40.10GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce 945A +29%

0.913 TFLOPS

GeForce GT 745A

VS

GeForce 945A

Graphics Card

Aug 2013

Release Date

Mar 2015

GeForce 700A

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

837 MHz

Base Clock

1006 MHz

915 MHz

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.10GB/s

Render Config

-

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

9.512 GPixel/s

29.28 GTexel/s

Texture Rate

28.54 GTexel/s

-

702.7 GFLOPS

FP32 (float)

913.2 GFLOPS

29.28 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

33W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GM108

N14P-LP

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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