NVIDIA GeForce 945A vs NVIDIA GeForce GT 330M Mac Edition

VS

NVIDIA GeForce 945A

NVIDIA GeForce GT 330M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 512MB VRAM GeForce GT 330M 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 4 years and 11 months late

Boost Clock1189MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (40.10GB/s vs 25.28GB/s)

336 additional rendering cores

NVIDIA GeForce GT 330M Mac Edition 's Advantages

Lower TDP (23W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 945A +761%

0.913 TFLOPS

GeForce GT 330M Mac Edition

0.106 TFLOPS

GeForce 945A

VS

GeForce GT 330M Mac Edition

Graphics Card

Mar 2015

Release Date

Apr 2010

GeForce 900A

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

6

384

Shading Units

48

24

TMUs

16

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

4.000 GPixel/s

28.54 GTexel/s

Texture Rate

8.000 GTexel/s

-

913.2 GFLOPS

FP32 (float)

105.6 GFLOPS

28.54 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GT216

-

GPU Variant

N11P-GE1-A3

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.486 billion

Unknown

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.2

5.1

Shader Model

4.1

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