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Spec GeForce GTX 285 X2
Overview
Product name NVIDIA GeForce GTX 285 X2
Architecture Tesla 2.0
Generation / family GeForce 200 Series
GPU codename GT200B
Launch date 2009-06-17
Market segment Desktop in GeForce 200 Series
Board type / entry type Reference GPU
GPU
Process node TSMC 55 nm
Die size 470 mm²
Transistor count 1.4 billion
GPU chip GT200B
SM / multiprocessor count 30
CUDA Cores 240
ROPs 32
TMUs 80
Clocks
Base / Core clock 648 MHz
Boost clock 648 MHz
Memory clock 1,152 MHz
Memory
Memory size 2 GB
Memory type GDDR3
Memory bus width 512-bit
Memory bandwidth 147.5 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 315 W
Recommended PSU 700 W
Power connectors 2x 8-pin
Slot width Dual-slot, 275 mm length, 48 mm width
Display / Media
Display outputs 2x DVI, 1x HDMI
Features
DirectX support DirectX 10.0
OpenGL support OpenGL 3.3
CUDA support 1.3
Shader Model 4.0
Performance / Benchmarks
FP32 throughput 0.71 TFLOPS

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