NVIDIA GeForce 405M vs NVIDIA GeForce GT 740A

VS

NVIDIA GeForce 405M NVIDIA GeForce GT 740A

We compared two Mobile platform GPUs: 512MB VRAM GeForce 405M and 2GB VRAM GeForce GT 740A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 33W)

NVIDIA GeForce GT 740A 's Advantages

Released 2 years and 7 months late

Larger VRAM bandwidth (14.40GB/s vs 12.80GB/s)

368 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 405M

0.039 TFLOPS

GeForce GT 740A +1830%

0.753 TFLOPS

GeForce 405M

VS

GeForce GT 740A

Graphics Card

Jan 2011

Release Date

Aug 2013

GeForce 400M

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

14.40GB/s

Render Config

2

SM Count

-

Compute Units

-

16

Shading Units

384

8

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

512 KB

Theoretical Performance

2.424 GPixel/s

Pixel Rate

7.840 GPixel/s

4.848 GTexel/s

Texture Rate

31.36 GTexel/s

-

FP16 (half)

-

38.78 GFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

31.36 GFLOPS

Graphics Processor

GT218

GPU Name

GK208

-

GPU Variant

GT 740M

Tesla 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

1.02 billion

57 mm²

Die Size

87 mm²

Board Design

14W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.2

CUDA

3.5

4.1

Shader Model

5.1

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