NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 580M

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce GTX 580M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 2GB VRAM GeForce GTX 580M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 2 years and 2 months late

Boost Clock915MHz

Lower TDP (33W vs 100W)

NVIDIA GeForce GTX 580M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 580M +35%

0.952 TFLOPS

GeForce GT 745A

VS

GeForce GTX 580M

Graphics Card

Aug 2013

Release Date

Jun 2011

GeForce 700A

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

8

384

Shading Units

384

32

TMUs

64

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

9.920 GPixel/s

29.28 GTexel/s

Texture Rate

39.68 GTexel/s

-

702.7 GFLOPS

FP32 (float)

952.3 GFLOPS

29.28 GFLOPS

FP64 (double)

79.36 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GF114

N14P-LP

GPU Variant

N12E-GTX2-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

1.95 billion

118 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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