Home NVIDIA GeForce GT 645M

NVIDIA GeForce GT 645M

This is a GPU manufactured with TSMC 28nm process, based on Nvidia Kepler architecture and released on Oct 2012. It features 1.27 billion transistors, 384 CUDA cores and 2GB DDR3 memory, with 256KB L2 cache, theoretical performance of 544.5GFLOPS, with total power consumption of 32W.

Graphics Card

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Release Date
Oct 2012
Generation
GeForce 600M
Type
Mobile
Bus Interface
PCIe 3.0 x16

Clock Speeds

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Memory Clock
900 MHz

Memory

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Memory Size
2GB
Memory Type
DDR3
Memory Bus
128bit
Bandwidth
28.80GB/s

Render Config

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Shading Units
384
TMUs
32
ROPs
16
L1 Cache
16 KB (per SMX)
L2 Cache
256 KB

Theoretical Performance

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Pixel Rate
5.672 GPixel/s
Texture Rate
22.69 GTexel/s
FP32 (float)
544.5 GFLOPS
FP64 (double)
22.69 GFLOPS

Graphics Processor

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GPU Name
GK107
GPU Variant
N13P-GS
Architecture
Kepler
Foundry
TSMC
Process Size
28 nm
Transistors
1.27 billion
Die Size
118 mm²

Board Design

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TDP
32W
Outputs
No outputs

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)
NVIDIA GeForce GT 645M 2 GB DDR3
0.544 TFLOPS
AMD Radeon R5 M420 4 GB DDR3
0.544 TFLOPS
AMD Radeon HD 8550M 1024 MB DDR3
0.544 TFLOPS
AMD Radeon R5 M230 Rebrand 2 GB DDR3
0.544 TFLOPS
NVIDIA Quadro K1100M 2 GB GDDR5
0.542 TFLOPS
AMD Radeon R5 M240 Rebrand 1024 MB DDR3
0.538 TFLOPS
Intel UHD Graphics 730 System Shared System Shared
0.537 TFLOPS

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