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NVIDIA GeForce GTX 660

NVIDIA GeForce GTX 660 Image NVIDIA GK106 Image
The GeForce GTX 660 is a performance graphics card by NVIDIA, launched in September 2012. Built on the 28 nm process, and based on the GK106 graphics processor, in its GK106-400-A1 variant, the card supports DirectX 11.2. The GK106 graphics processor is an average sized chip with a die area of 221 mm² and 2,540 million transistors. It features 960 shading units, 80 texture mapping units and 24 ROPs. NVIDIA has placed 2,048 MB GDDR5 memory on the card, which are connected using a 192-bit memory interface. The GPU is operating at a frequency of 980 MHz, which can be boosted up to 1032 MHz, memory is running at 1502 MHz.
We recommend the NVIDIA GeForce GTX 660 for gaming with highest details at resolutions up to, and including, 1680x1050.
Being a dual-slot card, the NVIDIA GeForce GTX 660 draws power from 1x 6-pin power connectors, with power draw rated at 140 W maximum. Display outputs include: 2x DVI, 1x HDMI, 1x DisplayPort. GeForce GTX 660 is connected to the rest of the system using a PCIe 3.0 x16 interface. The card measures 241 mm in length, and features a dual-slot cooling solution. Its price at launch was 229 US Dollars.

Graphics Processor

GPU Name: GK106
GPU Variant: GK106-400-A1
Process Size: 28 nm
Transistors: 2,540 million
Die Size: 221 mm²

Graphics Card

Released: Sep 6th, 2012
Production Status: Active
Launch Price: 229 USD
Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: 980 MHz
Boost Clock: 1032 MHz
Memory Clock: 1502 MHz
6008 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: GDDR5
Memory Bus: 192 bit
Bandwidth: 144 GB/s

Render Config

Shading Units: 960
TMUs: 80
ROPs: 24
SMX Count: 5
Pixel Rate: 19.6 GPixel/s
Texture Rate: 78.4 GTexel/s
Floating-point performance: 1,882 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 9.5 inches
241 mm
TDP: 140 W
Outputs: 2x DVI
1x HDMI
1x DisplayPort
Power Connectors: 1x 6-pin
Board Number: P2030

Graphics Features

DirectX: 11.2
OpenGL: 4.5
OpenCL: 1.1
Shader Model: 5.0

VGA BIOS

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GPU-Z Validation

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Reviews

Our review database contains 77 reviews of the GeForce GTX 660.

Card Notes

DPUs: 320
SFUs: 160

GK106 GPU Notes

Compute Capability: CUDA 3.0

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS GTX 660 DirectCU II 980 MHz 1502 MHz Boost Clock: 1033 MHz, 8.5 inches
ASUS GTX 660 DirectCU II 980 MHz 1502 MHz Boost Clock: 1033 MHz, 10.2 inches
ASUS GTX 660 DirectCU II OC 1020 MHz 1502 MHz Boost Clock: 1085 MHz, 8.5 inches
ASUS GTX 660 DirectCU II OC 1020 MHz 1502 MHz Boost Clock: 1084 MHz, 10.2 inches
ASUS GTX 660 DirectCU II TOP 1072 MHz 1527 MHz Boost Clock: 1137 MHz, 10.2 inches
ASUS GTX 660 DirectCU II TOP OC 1098 MHz 1600 MHz Boost Clock: 1150 MHz, 10.2 inches
Club 3D GTX 660 980 MHz 1502 MHz 9.528 inches
Club 3D GTX 660 royalQueen 980 MHz 1502 MHz 8.386 inches
Colorful iGame GTX 660 Glorious Mission 980 MHz 1502 MHz 10 inches, 2x DVI 1x HDMI
Colorful iGame GTX 660 White Shark 1058 MHz 1502 MHz Boost Clock: 1124 MHz, 10.63 inches
ELSA GTX 660 S.A.C 980 MHz 1502 MHz 8.11 inches
ELSA GTX 660 S.A.C ArcheAge 980 MHz 1502 MHz 8.11 inches
EVGA GTX 660 993 MHz 1502 MHz Boost Clock: 1058 MHz
EVGA GTX 660 3 GB 980 MHz 1502 MHz 3072 MB
EVGA GTX 660 Exclusive Superclocked 1058 MHz 1502 MHz Boost Clock: 1124 MHz
EVGA GTX 660 FTW 1072 MHz 1502 MHz Boost Clock: 1137 MHz
EVGA GTX 660 FTW 3 GB 1072 MHz 1502 MHz Boost Clock: 1137 MHz, 3072 MB
EVGA GTX 660 FTW Signature 2 1072 MHz 1502 MHz Boost Clock: 1137 MHz
EVGA GTX 660 FTW Signature 2 3GB 1072 MHz 1502 MHz Boost Clock: 1137 MHz, 3072 MB
EVGA GTX 660 SC Signature 2 1046 MHz 1502 MHz Boost Clock: 1110 MHz
EVGA GTX 660 SC Signature 2 3GB 1046 MHz 1502 MHz Boost Clock: 1110 MHz, 3072 MB
EVGA GTX 660 Superclocked 1046 MHz 1502 MHz Boost Clock: 1110 MHz
EVGA GTX 660 Superclocked+ 1046 MHz 1502 MHz Boost Clock: 1110 MHz, 3072 MB
Gainward GTX 660 980 MHz 1502 MHz 7.09 inches
Gainward GTX 660 GS 1006 MHz 1527 MHz Boost Clock: 1072 MHz, 7.09 inches
Gainward GTX 660 GS Dual Fan 1006 MHz 1527 MHz Boost Clock: 1072 MHz, 7.09 inches
Galaxy GTX 660 980 MHz 1502 MHz
Galaxy GTX 660 GC 1006 MHz 1502 MHz Boost Clock: 1072 MHz, 9.055 inches
GIGABYTE GTX 660 WindForce 2X 980 MHz 1502 MHz Boost Clock: 1046 MHz, 10.09 inches
GIGABYTE GTX 660 WindForce 2X 3 GB 980 MHz 1502 MHz 3072 MB, 7.95 inches
GIGABYTE GTX 660 WindForce 2X OC 1032 MHz 1502 MHz Boost Clock: 1098 MHz, 10.09 inches
GIGABYTE GTX 660 WindForce 2X OC 3 GB 1032 MHz 1502 MHz Boost Clock: 1098 MHz, 3072 MB, 7.95 inches
GIGABYTE GTX 660 WindForce 2X Rev. 1.1 980 MHz 1502 MHz 10.16 inches
GIGABYTE GTX 660 WindForce 2X Rev. 2 980 MHz 1502 MHz Boost Clock: 1046 MHz, 10.09 inches
Inno3D GTX 660 980 MHz 1502 MHz
Inno3D I-Chill GTX 660 980 MHz 1502 MHz
KFA² GTX 660 EX OC 1006 MHz 1502 MHz Boost Clock: 1072 MHz, 9.055 inches
Leadtek WinFast GTX 660 980 MHz 1502 MHz
Leadtek WinFast GTX 660 Hurricane II 980 MHz 1502 MHz 7.65 inches
MSI GTX 660 980 MHz 1502 MHz 8.66 inches
MSI GTX 660 Gaming 1006 MHz 1502 MHz Boost Clock: 1072 MHz, 10.24 inches
MSI GTX 660 Gaming OC 1033 MHz 1502 MHz Boost Clock: 1098 MHz, 10.24 inches
MSI GTX 660 Hawk 1084 MHz 1502 MHz Boost Clock: 1150 MHz, 10.433 inches
MSI GTX 660 OC 1006 MHz 1502 MHz Boost Clock: 1072 MHz, 8.66 inches
MSI GTX 660 Twin Frozr III 980 MHz 1502 MHz 9.25 inches
MSI GTX 660 Twin Frozr III OC 1032 MHz 1502 MHz Boost Clock: 1098 MHz, 9.25 inches
Palit GTX 660 OC 1006 MHz 1527 MHz Boost Clock: 1072 MHz, 6.811 inches
PNY XLR8 GTX 660 Performance Edition 980 MHz 1502 MHz
SPARKLE Calibre GTX 660 OC 1058 MHz 1502 MHz Boost Clock: 1124 MHz, 2x DVI 2x HDMI
SPARKLE GTX 660 Dual Fan OC 1006 MHz 1502 MHz Boost Clock: 1072 MHz, 2x DVI 1x VGA 1x HDMI
ZOTAC GTX 660 993 MHz 1502 MHz Boost Clock: 1058 MHz, 7.53 inches
ZOTAC GTX 660 AMP! Edition 1046 MHz 1652 MHz Boost Clock: 1110 MHz, 7.53 inches
ZOTAC GTX 660 Destroyer DTC 1020 MHz 1552 MHz Boost Clock: 1084 MHz
ZOTAC GTX 660 Thunderbolt 980 MHz 1502 MHz