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GT640-1024GD5 Ares Version / GT640-1024GD5 VA

Yeston GT640-1024GD5 Ares Version (part number GT640-1024GD5 VA) is a Graphics Processing Unit for desktop market, based on NVIDIA GeForce GT 640 v2 GDDR5. The GPU utilizes Kepler architecture, and it is produced on 28 nm manufacturing process. The card's graphics frequency is 1.046 GHz. It also has 384 CUDA cores, 8 ROPs, and 16 texture units. The GT640-1024GD5 Ares Version has 1 GB of GDDR5 memory. Since the memory runs at 1.252 GHz, and uses 64 bit bus, the effective memory bandwidth is 40.08 GB/s. The GPU has PCI Express 3.0 interface, and needs 2 motherboard slots. This model requires up to 49 Watt of power, which is on a par with the reference design.

More detailed specifications of the card are available below.

Yeston GT640-1024GD5 Ares Version GPU specifications

Name / Brand / Architecture

Manufacturer: Yeston
Model: GT640-1024GD5 Ares Version
Part number: GT640-1024GD5 VA
Based on: NVIDIA GeForce GT 640 v2 GDDR5 [Compare]
Target market segment: Desktop
Die name: GK 208
Architecture: Kepler
Fabrication process: 28 nm
Transistors: 1.3 billion
Bus interface: PCI-E 3.0 x 16

Frequency

Graphics clock: 1046 MHz

Memory specifications

Memory size: 1024 MB
Memory type: GDDR5
Memory clock: 1252 MHz
Memory clock (effective): 5010 MHz
Memory interface width: 64-bit
Memory bandwidth: 40.08 GB/s

Cores / Texture

CUDA: 2.1
CUDA cores: 384
ROPs: 8
Texture units: 16
RAMDACs: 400 MHz

Electric characteristics

Maximum GPU temp: 95C
Maximum power draw: 49 W

Video features

Multi-monitor: Up to 2 displays
Maximum DVI resolution: 2560 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: 8.37 Gigapixels/s
Texture fill rate: 16.74 Gigatexels/s
Single presision compute power: 803.33 GFLOPS

External connectors

Standard display connectors: Dual-Link DVI-D
HDMI
VGA
Audio input for HDMI: Yes

Dimensions

Width: Dual Slot

Other features / Support

Other features: 3D Vision  ? 
3D Vision Surround  ? 
HDCP
PhysX
OpenGL support: 4.2
DirectX support: 11.1
Shader model: 5.0
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