NVIDIA GeForce 945A vs NVIDIA GeForce GT 550M

VS

NVIDIA GeForce 945A NVIDIA GeForce GT 550M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 1024MB VRAM GeForce GT 550M 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 2 months late

Boost Clock1189MHz

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

288 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

GeForce 945A +221%

0.913 TFLOPS

GeForce GT 550M

0.284 TFLOPS

GeForce 945A

VS

GeForce GT 550M

Graphics Card

Mar 2015

Release Date

Jan 2011

GeForce 900A

Generation

GeForce 500M

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

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

-

Compute Units

-

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

Theoretical Performance

9.512 GPixel/s

Pixel Rate

2.960 GPixel/s

28.54 GTexel/s

Texture Rate

11.84 GTexel/s

-

FP16 (half)

-

913.2 GFLOPS

FP32 (float)

284.2 GFLOPS

28.54 GFLOPS

FP64 (double)

23.68 GFLOPS

Graphics Processor

GM108

GPU Name

GF108

-

GPU Variant

N12P-GT1-A1

Maxwell

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.585 billion

Unknown

Die Size

116 mm²

Board Design

33W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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