NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 490

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Boost Clock888MHz

672 additional rendering cores

Lower TDP (130W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

Larger VRAM bandwidth (164.0GB/s vs 134.4GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +75%

2.046 TFLOPS

GeForce GTX 490

1.166 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GTX 490

Graphics Card

Aug 2012

Release Date

Unknown

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

854 MHz

Memory

1536MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

134.4GB/s

Bandwidth

164.0GB/s

Render Config

-

SM Count

15

1152

Shading Units

480

96

TMUs

60

24

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

18.24 GPixel/s

85.25 GTexel/s

Texture Rate

36.48 GTexel/s

-

2.046 TFLOPS

FP32 (float)

1166 GFLOPS

85.25 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

130W

TDP

365W

300 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK104

GPU Name

GF100

GK104-200-KD-A2

GPU Variant

GF100-375-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

3.1 billion

294 mm²

Die Size

529 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

2.0

5.1

Shader Model

5.1

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