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WinFast GTX 660

Specifications of the Leadtek WinFast GTX 660 GPU


Leadtek WinFast GTX 660 is a Graphics Processing Unit, aimed at desktop market segment. The GPU is based on NVIDIA GeForce GTX 660 model, and manufactured on 28 nm technological process. The graphics card operates at 980 MHz, and supports boost technology, that can increase operating frequency up to 1.033 GHz. It also sports 960 CUDA cores, 20 ROPs, together with 80 texture units. The WinFast GTX 660 embeds 2 GB of GDDR5 memory, utilizing 192 bit bus. The memory is clocked at 1.502 GHz, which results in 144.2 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and requires 2 motherboard slots. The maximum power draw of this model is 140 Watt, identical to the reference design. For increased Leadtek WinFast GTX 660 3D graphics and gaming performance, it can be used with up to 3 other GPUs in SLI mode.

Below you will find more detailed specs of the Leadtek WinFast GTX 660 card.

Name / Brand / Architecture

Manufacturer:Leadtek
Model:WinFast GTX 660
Based on:NVIDIA GeForce GTX 660 [Compare]
Target market segment:Desktop
Die name:GK 106
Architecture:Kepler
Fabrication process:28 nm
Transistors:2.54 billion
Bus interface:PCI-E 3.0 x 16

Frequency

Base clock:980 MHz
GPU boost:1.0
Boost clock:1033 MHz

Memory specifications

Memory size:2048 MB
Memory type:GDDR5
Memory clock:1502 MHz
Memory clock (effective):6008 MHz
Memory interface width:192-bit
Memory bandwidth:144.2 GB/s

Cores / Texture

CUDA:3.0
CUDA cores:960
ROPs:20
Texture units:80
RAMDACs:400 MHz

SLI / Crossfire

Maximum SLI options:3-way

Electric characteristics

Maximum GPU temp:97C
Maximum power draw:140 W

Video features

Multi-monitor:Up to 4 displays
Maximum DP resolution:4096 x 2160 @ 60 Hz
Maximum DVI resolution:**0 x 1600
Maximum HDMI resolution:4096 x 2160 @ 24 Hz or 3840 x 2160 @ 30 Hz
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:FXAA
TXAA
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:20.66 Gigapixels/s
Texture fill rate:82.** Gigatexels/s
Single presision compute power:1983.36 GFLOPS

External connectors

Standard display connectors:DisplayPort
Dual Link DVI-D
Dual Link DVI-I
HDMI
Power connectors:1 x 6-Pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):9.49 inches (241 mm) x 4.376 inches (111 mm)
Width:Dual Slot

Other features / Support

Other features:3D Vision  ? 
3D Vision Surround  ? 
HDCP
PhysX
Open CL support:1.2
OpenGL support:4.3
DirectX support:11.1
Shader model:5.0
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