NVIDIA GeForce GTX 645 OEM

This is a GPU manufactured with TSMC 28nm process, based on Nvidia Kepler architecture and released on Apr 2013. It features 2.54 billion transistors, 576 CUDA cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 949.2GFLOPS, with total power consumption of 65W.

Graphics Card

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Release Date

Apr 2013

Generation

GeForce 600

Type

Desktop

Bus Interface

PCIe 3.0 x16

Clock Speeds

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Memory Clock

1000 MHz

Memory

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Memory Size

1024MB

Memory Type

GDDR5

Memory Bus

128bit

Bandwidth

64.00GB/s

Render Config

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Shading Units

576

TMUs

48

ROPs

16

L1 Cache

16 KB (per SMX)

L2 Cache

256 KB

Theoretical Performance

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Pixel Rate

9.888 GPixel/s

Texture Rate

39.55 GTexel/s

FP32 (float)

949.2 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

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GPU Name

GK106

GPU Variant

GK106-200-A1

Architecture

Kepler

Foundry

TSMC

Process Size

28 nm

Transistors

2.54 billion

Die Size

221 mm²

Board Design

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TDP

65W

Suggested PSU

250 W

Outputs

1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

Power Connectors

None

Graphics Features

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DirectX

12 (11_0)

OpenGL

4.6

OpenCL

3.0

Vulkan

1.1

CUDA

3.0

Shader Model

5.1

Rankings

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FP32 (float)

AMD Radeon R9 255 OEM 2 GB GDDR5

0.952 TFLOPS

NVIDIA GeForce GTX 675M 2 GB GDDR5

0.952 TFLOPS

NVIDIA GeForce GTX 580M 2 GB GDDR5

0.952 TFLOPS

NVIDIA GeForce GTX 645 OEM 1024 MB GDDR5

0.949 TFLOPS

AMD Radeon R7 450 OEM 2 GB GDDR5

0.947 TFLOPS

AMD Radeon R7 M465X 2 GB GDDR5

0.947 TFLOPS

AMD FirePro W5130M 2 GB GDDR5

0.947 TFLOPS

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