NVIDIA GeForce GT 740A vs NVIDIA GeForce 805A

VS

NVIDIA GeForce GT 740A

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740A 's Advantages

More VRAM (2GB vs 1024GB)

192 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Released 11 months late

Boost Clock758MHz

Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 740A +158%

0.753 TFLOPS

GeForce 805A

0.291 TFLOPS

GeForce GT 740A

VS

GeForce 805A

Graphics Card

Aug 2013

Release Date

Jul 2014

GeForce 700A

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

16.02GB/s

Render Config

-

384

Shading Units

192

32

TMUs

16

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

6.064 GPixel/s

31.36 GTexel/s

Texture Rate

12.13 GTexel/s

-

752.6 GFLOPS

FP32 (float)

291.1 GFLOPS

31.36 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

33W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK208

GT 740M

GPU Variant

-

Kepler 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.02 billion

87 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.5

5.1

Shader Model

5.1

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