NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 460

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce GTX 460

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 768MB VRAM GeForce GTX 460 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 2 months late

Boost Clock1032MHz

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (144.2GB/s vs 86.40GB/s)

624 additional rendering cores

Lower TDP (140W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +118%

1.981 TFLOPS

GeForce GTX 460

0.907 TFLOPS

GeForce GTX 660

VS

GeForce GTX 460

Graphics Card

Sep 2012

Release Date

Jul 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

900 MHz

Memory

2GB

Memory Size

768MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

192bit

144.2GB/s

Bandwidth

86.40GB/s

Render Config

-

SM Count

7

960

Shading Units

336

80

TMUs

56

24

ROPs

24

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

384 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

9.450 GPixel/s

82.56 GTexel/s

Texture Rate

37.80 GTexel/s

-

1.981 TFLOPS

FP32 (float)

907.2 GFLOPS

82.56 GFLOPS

FP64 (double)

75.60 GFLOPS

Board Design

140W

TDP

160W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

GK106

GPU Name

GF104

GK106-400-A1

GPU Variant

GF104-300-KB-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

1.95 billion

221 mm²

Die Size

332 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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