NVIDIA GeForce 805A vs NVIDIA GeForce 830A

VS

NVIDIA GeForce 805A

NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

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

Lower TDP (15W vs 33W)

NVIDIA GeForce 830A 's Advantages

Boost Clock has increased by 52% (1150MHz vs 758MHz)

More VRAM (2GB vs 1024GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

GeForce 830A +102%

0.589 TFLOPS

GeForce 805A

VS

GeForce 830A

Graphics Card

Jul 2014

Release Date

Jul 2014

GeForce 800A

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

719 MHz

Base Clock

1082 MHz

758 MHz

Boost Clock

1150 MHz

1001 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

14.40GB/s

Render Config

-

192

Shading Units

256

16

TMUs

16

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

9.200 GPixel/s

12.13 GTexel/s

Texture Rate

18.40 GTexel/s

-

291.1 GFLOPS

FP32 (float)

588.8 GFLOPS

12.13 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

15W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GM108

-

Kepler 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

Unknown

87 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.0

5.1

Shader Model

5.1

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