NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GT 440

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GT 440

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1024MB VRAM GeForce GT 440 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 6 months late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 28.80GB/s)

1056 additional rendering cores

NVIDIA GeForce GT 440 's Advantages

Lower TDP (65W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +557%

2.046 TFLOPS

GeForce GT 440

0.311 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GT 440

Graphics Card

Aug 2012

Release Date

Feb 2011

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

900 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

134.4GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

1152

Shading Units

96

TMUs

16

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

3.240 GPixel/s

85.25 GTexel/s

Texture Rate

12.96 GTexel/s

-

2.046 TFLOPS

FP32 (float)

311.0 GFLOPS

85.25 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

130W

TDP

65W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GF108

GK104-200-KD-A2

GPU Variant

GF108-400-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.585 billion

294 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

3.0

CUDA

2.1

5.1

Shader Model

5.1

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