NVIDIA GeForce GT 740A vs NVIDIA GeForce 800A

VS

NVIDIA GeForce GT 740A

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 1024MB VRAM GeForce 800A 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)

336 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Released 7 months late

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 740A +727%

0.753 TFLOPS

GeForce 800A

0.091 TFLOPS

GeForce GT 740A

VS

GeForce 800A

Graphics Card

Aug 2013

Release Date

Mar 2014

GeForce 700A

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

384

Shading Units

48

32

TMUs

8

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

950.0 MPixel/s

31.36 GTexel/s

Texture Rate

3.800 GTexel/s

-

752.6 GFLOPS

FP32 (float)

91.20 GFLOPS

31.36 GFLOPS

FP64 (double)

7.600 GFLOPS

Board Design

33W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GF119

GT 740M

GPU Variant

-

Kepler 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.292 billion

87 mm²

Die Size

79 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.1

5.1

Shader Model

5.1

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