Home NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce GT 640 OEM Rebrand

This is a GPU manufactured with TSMC 40nm process, based on Nvidia Fermi 2.0 architecture and released on Apr 2012. It features 1.17 billion transistors, 144 CUDA cores and 1536MB DDR3 memory, with 384KB L2 cache, theoretical performance of 414.7GFLOPS, with total power consumption of 75W.

Graphics Card

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Release Date
Apr 2012
Generation
GeForce 600
Type
Desktop
Bus Interface
PCIe 2.0 x16

Clock Speeds

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Memory Clock
800 MHz

Memory

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Memory Size
1536MB
Memory Type
DDR3
Memory Bus
192bit
Bandwidth
38.40GB/s

Render Config

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SM Count
3
Shading Units
144
TMUs
24
ROPs
24
L1 Cache
64 KB (per SM)
L2 Cache
384 KB

Theoretical Performance

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Pixel Rate
4.320 GPixel/s
Texture Rate
17.28 GTexel/s
FP32 (float)
414.7 GFLOPS
FP64 (double)
34.56 GFLOPS

Graphics Processor

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GPU Name
GF116
GPU Variant
GF116-150-A1
Architecture
Fermi 2.0
Foundry
TSMC
Process Size
40 nm
Transistors
1.17 billion
Die Size
238 mm²

Board Design

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TDP
75W
Suggested PSU
250 W
Outputs
2x DVI
1x mini-HDMI 1.3a
Power Connectors
None

Graphics Features

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DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
CUDA
2.1
Shader Model
5.1

Rankings

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FP32 (float)
0.415 TFLOPS
0.415 TFLOPS
0.415 TFLOPS
AMD Radeon HD 8570D IGP System Shared System Shared
0.41 TFLOPS
Intel UHD Graphics 617 System Shared System Shared
0.403 TFLOPS
Intel HD Graphics 5600 System Shared System Shared
0.403 TFLOPS
0.393 TFLOPS

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