NVIDIA GeForce 805A vs NVIDIA GeForce GT 425M

VS

NVIDIA GeForce 805A

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 3 years and 10 months late

Boost Clock758MHz

96 additional rendering cores

Lower TDP (15W vs 23W)

NVIDIA GeForce GT 425M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)

GeForce 805A +35%

0.291 TFLOPS

GeForce GT 425M

0.215 TFLOPS

GeForce 805A

VS

GeForce GT 425M

Graphics Card

Jul 2014

Release Date

Sep 2010

GeForce 800A

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

192

Shading Units

96

16

TMUs

16

8

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

2.240 GPixel/s

12.13 GTexel/s

Texture Rate

8.960 GTexel/s

-

291.1 GFLOPS

FP32 (float)

215.0 GFLOPS

12.13 GFLOPS

FP64 (double)

17.92 GFLOPS

Board Design

15W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GF108

-

GPU Variant

N11P-GS-A1

Kepler 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.585 billion

87 mm²

Die Size

116 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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