Home NVIDIA GeForce 840A

NVIDIA GeForce 840A

This is a GPU manufactured with TSMC 28nm process, based on Nvidia Maxwell architecture and released on Mar 2014. It features 384 CUDA cores and 2GB DDR3 memory, with 1024KB L2 cache, theoretical performance of 863.2GFLOPS, with total power consumption of 33W.

Graphics Card

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Release Date
Mar 2014
Generation
GeForce 800A
Type
Mobile
Bus Interface
PCIe 3.0 x8

Clock Speeds

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Base Clock
1029MHz
Boost Clock
1124MHz
Memory Clock
1001MHz

Memory

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Memory Size
2GB
Memory Type
DDR3
Memory Bus
64bit
Bandwidth
16.02 GB/s

Render Config

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Shading Units
384
TMUs
16
ROPs
8
L1 Cache
64 KB (per SMM)
L2 Cache
1024KB

Theoretical Performance

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Pixel Rate
8.992 GPixel/s
Texture Rate
17.98 GTexel/s
FP32 (float)
863.2 GFLOPS
FP64 (double)
26.98 GFLOPS

Graphics Processor

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GPU Name
GM108
Architecture
Maxwell
Foundry
TSMC
Process Size
28 nm
Transistors
Unknown
Die Size
Unknown

Board Design

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TDP
33W
Outputs
No outputs

Graphics Features

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DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
CUDA
5.0
Shader Model
5.1

Rankings

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FP32 (float)
0.863 TFLOPS
NVIDIA GeForce 940A 1024 MB DDR3
0.863 TFLOPS
0.863 TFLOPS
0.863 TFLOPS
0.863 TFLOPS
0.863 TFLOPS
0.855 TFLOPS

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