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Spec GeForce GTX 660
Overview
Product name NVIDIA GeForce GTX 660
Architecture Kepler
Generation / family GeForce 600 Series
GPU codename GK106
Launch date 2012-09-06
Market segment Desktop in GeForce 600 Series
Board type / entry type Reference GPU
GPU
Process node TSMC 28 nm
Die size 221 mm²
Transistor count 2.54 billion
GPU chip GK106
SM / multiprocessor count 0
CUDA Cores 960
ROPs 24
TMUs 80
Clocks
Base / Core clock 980 MHz
Boost clock 1,032 MHz
Memory clock 1,502 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 192-bit
Memory bandwidth 144.2 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 140 W
Recommended PSU 300 W
Power connectors 1x 6-pin
Slot width Dual-slot, 241 mm length
Display / Media
Display outputs 2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
CUDA support 3.0
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 1.98 TFLOPS

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