NVIDIA GeForce GT 740 OEM vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA GeForce GT 740 OEM

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 740 OEM and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740 OEM 's Advantages

Released 7 months late

Lower TDP (65W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 80.19GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 740 OEM

0.773 TFLOPS

GeForce GTX 660 Rev. 2 +156%

1.981 TFLOPS

GeForce GT 740 OEM

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2015

Release Date

Sep 2014

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1253 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

80.19GB/s

Bandwidth

144.2GB/s

Render Config

-

384

Shading Units

960

32

TMUs

80

16

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

8.048 GPixel/s

Pixel Rate

20.64 GPixel/s

32.19 GTexel/s

Texture Rate

82.56 GTexel/s

-

772.6 GFLOPS

FP32 (float)

1.981 TFLOPS

32.19 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

65W

TDP

140W

250 W

Suggested PSU

300 W

No outputs

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

GK104

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

3.54 billion

221 mm²

Die Size

294 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

3.0

CUDA

3.0

5.1

Shader Model

5.1

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