NVIDIA GeForce 805A vs NVIDIA GeForce GT 745A

VS

NVIDIA GeForce 805A

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 11 months late

Lower TDP (15W vs 33W)

NVIDIA GeForce GT 745A 's Advantages

Boost Clock has increased by 21% (915MHz vs 758MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

GeForce GT 745A +141%

0.703 TFLOPS

GeForce 805A

VS

GeForce GT 745A

Graphics Card

Jul 2014

Release Date

Aug 2013

GeForce 800A

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

837 MHz

758 MHz

Boost Clock

915 MHz

1001 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/s

Render Config

-

192

Shading Units

384

16

TMUs

32

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

7.320 GPixel/s

12.13 GTexel/s

Texture Rate

29.28 GTexel/s

-

291.1 GFLOPS

FP32 (float)

702.7 GFLOPS

12.13 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

15W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK107

-

GPU Variant

N14P-LP

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.27 billion

87 mm²

Die Size

118 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

3.0

5.1

Shader Model

5.1

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