NVIDIA GeForce 945A vs NVIDIA GeForce G105M

VS

NVIDIA GeForce 945A

NVIDIA GeForce G105M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 256MB VRAM GeForce G105M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 5 years and 8 months late

Boost Clock1189MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (40.10GB/s vs 11.20GB/s)

368 additional rendering cores

NVIDIA GeForce G105M 's Advantages

Lower TDP (14W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 945A +2585%

0.913 TFLOPS

GeForce G105M

0.034 TFLOPS

GeForce 945A

VS

GeForce G105M

Graphics Card

Mar 2015

Release Date

Jul 2009

GeForce 900A

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

2

384

Shading Units

16

24

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

2.000 GPixel/s

28.54 GTexel/s

Texture Rate

4.000 GTexel/s

-

913.2 GFLOPS

FP32 (float)

34.24 GFLOPS

28.54 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GT218

-

GPU Variant

GT218-300-A2

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.26 billion

Unknown

Die Size

57 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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