NVIDIA GeForce GT 645 OEM

This is a GPU manufactured with TSMC 40nm process, based on Nvidia Fermi 2.0 architecture and released on Apr 2012. It features 1.95 billion transistors, 288 CUDA cores and 1024MB GDDR5 memory, with 384KB L2 cache, theoretical performance of 894.0GFLOPS, with total power consumption of 102W.

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

957 MHz

Memory

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Memory Size

1024MB

Memory Type

GDDR5

Memory Bus

192bit

Bandwidth

91.87GB/s

Render Config

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SM Count

6

Shading Units

288

TMUs

48

ROPs

24

L1 Cache

64 KB (per SM)

L2 Cache

384 KB

Theoretical Performance

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Pixel Rate

9.312 GPixel/s

Texture Rate

37.25 GTexel/s

FP32 (float)

894.0 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

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GPU Name

GF114

Architecture

Fermi 2.0

Foundry

TSMC

Process Size

40 nm

Transistors

1.95 billion

Die Size

332 mm²

Board Design

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TDP

102W

Suggested PSU

300 W

Outputs

2x DVI
1x mini-HDMI 1.3a

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)

NVIDIA GeForce 845M 2 GB GDDR5

0.903 TFLOPS

AMD Radeon Graphics 320SP System Shared System Shared

0.896 TFLOPS

ATI Radeon HD 4860 512 MB GDDR5

0.896 TFLOPS

NVIDIA GeForce GT 645 OEM 1024 MB GDDR5

0.894 TFLOPS

Intel UHD Graphics 48EU System Shared System Shared

0.883 TFLOPS

Intel Iris Plus Graphics 650 System Shared System Shared

0.883 TFLOPS

NVIDIA GeForce GTX 485M 2 GB GDDR5

0.883 TFLOPS

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