NVIDIA GeForce GT 550M vs NVIDIA GeForce GT 745M

VS

NVIDIA GeForce GT 550M

NVIDIA GeForce GT 745M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Lower TDP (35W vs 45W)

NVIDIA GeForce GT 745M 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1024GB)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

GeForce GT 745M +126%

0.643 TFLOPS

GeForce GT 550M

VS

GeForce GT 745M

Graphics Card

Jan 2011

Release Date

Apr 2013

GeForce 500M

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

6.696 GPixel/s

11.84 GTexel/s

Texture Rate

26.78 GTexel/s

-

284.2 GFLOPS

FP32 (float)

642.8 GFLOPS

23.68 GFLOPS

FP64 (double)

26.78 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GK107

N12P-GT1-A1

GPU Variant

N14P-LP

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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