NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce 405 OEM

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 1 years and 11 months late

Boost Clock888MHz

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 12.64GB/s)

1136 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +4446%

2.046 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

GeForce GTX 660 OEM

VS

GeForce 405 OEM

Graphics Card

Aug 2012

Release Date

Sep 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

790 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

134.4GB/s

Bandwidth

12.64GB/s

Render Config

-

SM Count

2

1152

Shading Units

16

96

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

2.356 GPixel/s

85.25 GTexel/s

Texture Rate

4.712 GTexel/s

-

2.046 TFLOPS

FP32 (float)

44.86 GFLOPS

85.25 GFLOPS

FP64 (double)

-

Board Design

130W

TDP

25W

300 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GT218

GK104-200-KD-A2

GPU Variant

GT218-300-B1

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.26 billion

294 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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