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Differences What are the advantages of each

Front view of GeForce GTX 760

Reasons to consider the
Nvidia GeForce GTX 760

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Significantly higher effective memory clock speed 6,008 MHz vs 2,002 MHz More than 3x higher effective memory clock speed
Significantly higher memory bandwidth 192.3 GB/s vs 16.02 GB/s More than 12x higher memory bandwidth
Higher texture rate 94.1 GTexel/s vs 16.46 GTexel/s Around 5.8x higher texture rate
Better floating-point performance 2,257.9 GFLOPS vs 790.3 GFLOPS More than 2.8x better floating-point performance
Significantly more texture mapping units 96 vs 16 80 more texture mapping units
More render output processors 32 vs 8 24 more render output processors
Slightly more memory 2,048 MB vs 1,024 MB 2x more memory
Higher pixel rate 23.52 GPixel/s vs 8.23 GPixel/s More than 2.8x higher pixel rate
More shading units 1,152 vs 384 Three times as many shading units
Significantly higher memory clock speed 1,502 MHz vs 1,001 MHz More than 50% higher memory clock speed
Wider memory bus 256 bit vs 64 bit 4x wider memory bus
Front view of GeForce 840A

Reasons to consider the
Nvidia GeForce 840A

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Higher turbo clock speed 1,124 MHz vs 1,032 MHz Around 10% higher turbo clock speed
Significantly lower TDP 33W vs 170W 5.2x lower TDP

Features Key features of the GeForce GTX 760  vs 840A 

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

GeForce GTX 760
192.3 GB/s
GeForce 840A
16.02 GB/s

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

GeForce GTX 760
23.52 GPixel/s
GeForce 840A
8.23 GPixel/s

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

GeForce GTX 760
94.1 GTexel/s
GeForce 840A
16.46 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 760
2,257.9 GFLOPS
GeForce 840A
790.3 GFLOPS

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

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

Specifications Full list of technical specs

gpu

GeForce GTX 760  vs
840A 
GPU brand Nvidia Nvidia
GPU name GK116 GM108
Market Desktop Laptop
Clock speed 980 MHz 1,029 MHz
Turbo clock speed 1,032 MHz 1,124 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,152 384
Texture mapping units 96 16
Render output processors 32 8
Pixel rate 23.52 GPixel/s 8.23 GPixel/s
Texture rate 94.1 GTexel/s 16.46 GTexel/s
Floating-point performance 2,257.9 GFLOPS 790.3 GFLOPS

memory

GeForce GTX 760  vs
840A 
Memory clock speed 1,502 MHz 1,001 MHz
Effective memory clock speed 6,008 MHz 2,002 MHz
Memory bus 256 bit 64 bit
Memory 2,048 MB 1,024 MB
Memory type GDDR5 DDR3
Memory bandwidth 192.3 GB/s 16.02 GB/s

noise and power

TDP 170W 33W

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