GeForce GTX 660 Rev. 2
General
ManufacturerNVIDIA
SeriesGeForce 600
GPU NameGK104
ArchitectureKepler
GenerationGeForce 600
Release DateSep 2014
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors3,540 M
Transistor Density12,000 K/mm²
Die Size294 mm²
Chip PackageBGA-1745
Clock Speeds
Base Clock980 MHz
Boost Clock1,032 MHz
Memory
VRAM2 GB
Memory TypeGDDR5
Memory Clock1,502 MHz
Memory Bus192-bit
Bandwidth144.2 GB/s
Processing Units
Shading Units960
TMUs80
ROPs24
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.384 MB
Power & Thermals
TDP140 W
Suggested PSU300 W
Power Connectors1x 6-pin
Dimensions
Board Length241 mm
Outputs
Display Connectors2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
API Support
DirectX11.0
OpenGL4.6
Vulkan1.2
OpenCL3.0
CUDA3.0
Shader Model5.1
Theoretical Performance
Pixel Rate20.64 GP/s
Texture Rate82.56 GT/s
FP32 (Single)1,981 GFLOPS
FP64 (Double)82.56 GFLOPS
External
TechPowerUpView →
Other GeForce 600 Models
GeForce 605 OEM
0.5 GB523 MHz25 W
GeForce 615 OEM1 GB660 MHz49 W
GeForce GT 6101 GB810 MHz29 W
GeForce GT 610 OEM2 GB701 MHz29 W
GeForce GT 610 PCI0.5 GB810 MHz29 W
GeForce GT 610 PCIe x10.5 GB810 MHz29 W
GeForce GT 6201 GB700 MHz49 W
GeForce GT 620 OEM0.5 GB810 MHz30 W
GeForce GT 625 OEM1 GB874 MHz29 W
GeForce GT 6301 GB810 MHz65 W
GeForce GT 630 OEM1 GB875 MHz50 W
GeForce GT 630 Rev. 22 GB902 MHz25 W
GeForce GT 630 Rev. 2 PCIe x82 GB902 MHz25 W
GeForce GT 635 OEM1 GB967 MHz35 W
GeForce GT 6402 GB902 MHz65 W
GeForce GT 640 OEM2 GB797 MHz50 W
GeForce GT 640 OEM Rebrand1.5 GB720 MHz75 W
GeForce GT 640 Rev. 21 GB1046 MHz49 W
GeForce GT 645 OEM1 GB776 MHz102 W
GeForce GTX 645 OEM1 GB824 MHz65 W
GeForce GTX 6501 GB1058 MHz65 W
GeForce GTX 650 Ti1 GB928 MHz110 W
GeForce GTX 650 Ti Boost2 GB1032 MHz134 W
GeForce GTX 650 Ti OEM2 GB928 MHz110 W
GeForce GTX 6602 GB1032 MHz140 W
GeForce GTX 660 OEM1.5 GB888 MHz130 W
GeForce GTX 660 Ti2 GB980 MHz150 W
GeForce GTX 6702 GB980 MHz170 W
GeForce GTX 6802 GB1058 MHz195 W
GeForce GTX 680 Mac Edition2 GB1058 MHz195 W
GeForce GTX 6902 GB1019 MHz300 W