GeForce 8400 GS PCI 

Released January, 2011
  • 520 MHz
  • 512 MB DDR3

Features Key features of the GeForce 8400 GS PCI

memory bandwidth Rate at which data can be read from or stored in onboard memory

GeForce 8400 GS PCI
8 GB/s
GeForce GT 710
14.4 GB/s
GeForce GT 9400
12.8 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce 8400 GS PCI
2.08 GPixel/s
GeForce GT 710
3.82 GPixel/s
GeForce GT 9400
2.2 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce 8400 GS PCI
4.16 GTexel/s
GeForce GT 710
15.26 GTexel/s
GeForce GT 9400
4.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce 8400 GS PCI
39.36 GFLOPS
GeForce GT 710
366.3 GFLOPS
GeForce GT 9400
44.8 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

GeForce 8400 GS PCI
16

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

GeForce 8400 GS PCI
8

Specifications Full list of technical specs

gpu

GPU brand Nvidia
GPU name G86
Market Desktop
Clock speed 520 MHz
Is dual GPU No
Reference card Nvidia GeForce 8400 GS PCI 520 MHz 512 MB

raw performance

Shading units 16
Texture mapping units 8
Render output processors 4
Pixel rate 2.08 GPixel/s
Texture rate 4.16 GTexel/s
Floating-point performance 39.36 GFLOPS

memory

Memory clock speed 500 MHz
Effective memory clock speed 1,000 MHz
Memory bus 64 bit
Memory 512 MB
Memory type DDR3
Memory bandwidth 8 GB/s

noise and power

TDP 40W
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