NVIDIA GeForce GT 740M vs NVIDIA GeForce 405M

VS

NVIDIA GeForce GT 740M

NVIDIA GeForce 405M

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

Main Differences

NVIDIA GeForce GT 740M 's Advantages

Released 2 years and 5 months late

More VRAM (2GB vs 512GB)

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

368 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 740M +1830%

0.753 TFLOPS

GeForce 405M

0.039 TFLOPS

GeForce GT 740M

VS

GeForce 405M

Graphics Card

Jun 2013

Release Date

Jan 2011

GeForce 700M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

384

Shading Units

16

32

TMUs

8

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

2.424 GPixel/s

31.36 GTexel/s

Texture Rate

4.848 GTexel/s

-

752.6 GFLOPS

FP32 (float)

38.78 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GT218

GT 740M

GPU Variant

-

Kepler 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.26 billion

87 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.2

5.1

Shader Model

4.1

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