home > GeForce GT640 4096MB DDR3 One Slot LP / SX640L4096VCA

 
GeForce GT640 4096MB DDR3 One Slot LP / SX640L4096VCA

One of a few Sparkle Graphics Processing Units, based on NVIDIA GeForce GT 640 DDR3, Sparkle GeForce GT640 4096MB DDR3 One Slot LP (part number SX640L4096VCA) is built on 28 nm technology. The card is aimed at desktop market. The card's graphics frequency is 901 MHz. Furthermore, it has 384 CUDA cores, 32 texture units, and 16 ROPs. The GeForce GT640 4096MB DDR3 One Slot LP embeds 4 GB of DDR3 memory. Because the memory is clocked at 800 MHz, and utilizes 128 bit bus, the effective memory bandwidth is 25.6 GB/s. The GPU has PCI Express 3.0 interface, and requires 1 motherboard slot. This model has the maximum power draw of 65 Watt.

Detailed specifications of the card you will find below.

Sparkle GeForce GT640 4096MB DDR3 One Slot LP GPU specifications

Name / Brand / Architecture

Manufacturer: Sparkle
Model: GeForce GT**0 4096MB DDR3 One Slot LP
Part number: SX**0L4096VCA
Based on: NVIDIA GeForce GT **0 DDR3 [Compare]
Target market segment: Desktop
Die name: GK 107
Architecture: Kepler
Fabrication process: 28 nm
Transistors: 1.3 billion
Bus interface: PCI-E 3.0 x 16

Frequency

Graphics clock: 901 MHz

Memory specifications

Memory size: 4096 MB
Memory type: DDR3
Memory clock: 800 MHz
Memory clock (effective): 1600 MHz
Memory interface width: 128-bit
Memory bandwidth: 25.6 GB/s

Cores / Texture

CUDA: 2.1
CUDA cores: 384
ROPs: 16
Texture units: 32
RAMDACs: 400 MHz

Electric characteristics

Maximum GPU temp: 98C
Maximum power draw: 65 W

Video features

Multi-monitor: Up to 2 displays
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: 14.42 Gigapixels/s
Texture fill rate: 28.83 Gigatexels/s
Single presision compute power: 691.97 GFLOPS

External connectors

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

Dimensions

Size (length x height): 5.71 inches (145 mm) x 2.72 inches (69 mm)
Width: Single 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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