NVIDIA GeForce 945A vs NVIDIA GeForce GT 755M Mac Edition

VS

NVIDIA GeForce 945A

NVIDIA GeForce GT 755M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 1024MB VRAM GeForce GT 755M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 1 years and 4 months late

Boost Clock1189MHz

Lower TDP (33W vs 50W)

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 40.10GB/s)

Score

Benchmark

FP32 (float)

GeForce 945A +9%

0.913 TFLOPS

GeForce GT 755M Mac Edition

0.833 TFLOPS

GeForce 945A

VS

GeForce GT 755M Mac Edition

Graphics Card

Mar 2015

Release Date

Nov 2013

GeForce 900A

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

80.00GB/s

Render Config

-

384

Shading Units

384

24

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

8.680 GPixel/s

28.54 GTexel/s

Texture Rate

34.72 GTexel/s

-

913.2 GFLOPS

FP32 (float)

833.3 GFLOPS

28.54 GFLOPS

FP64 (double)

34.72 GFLOPS

Board Design

33W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GK107

-

GPU Variant

GT 755M

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

Unknown

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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