NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 480

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 2 years and 6 months late

Boost Clock1032MHz

More VRAM (2GB vs 1536GB)

480 additional rendering cores

Lower TDP (140W vs 250W)

NVIDIA GeForce GTX 480 's Advantages

Larger VRAM bandwidth (177.4GB/s vs 144.2GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +47%

1.981 TFLOPS

GeForce GTX 480

1.345 TFLOPS

GeForce GTX 660

VS

GeForce GTX 480

Graphics Card

Sep 2012

Release Date

Mar 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

924 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

177.4GB/s

Render Config

-

SM Count

15

960

Shading Units

480

80

TMUs

60

24

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

21.03 GPixel/s

82.56 GTexel/s

Texture Rate

42.06 GTexel/s

-

1.981 TFLOPS

FP32 (float)

1345 GFLOPS

82.56 GFLOPS

FP64 (double)

168.1 GFLOPS

Board Design

140W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK106

GPU Name

GF100

GK106-400-A1

GPU Variant

GF100-375-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

3.1 billion

221 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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