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Differences What are the advantages of each

Front view of Radeon HD 7950 Mac

Reasons to consider the
AMD Radeon HD 7950 Mac

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Higher memory bandwidth 240 GB/s vs 192.3 GB/s Around 25% higher memory bandwidth
More memory 3,072 MB vs 2,048 MB 50% more memory
Better floating-point performance 2,867.2 GFLOPS vs 2,257.9 GFLOPS More than 25% better floating-point performance
More shading units 1,792 vs 1,152 640 more shading units
Significantly wider memory bus 384 bit vs 256 bit 50% wider memory bus
More texture mapping units 112 vs 96 16 more texture mapping units
Front view of GeForce GTX 760

Reasons to consider the
Nvidia GeForce GTX 760

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Higher clock speed 980 MHz vs 800 MHz Around 25% higher clock speed
Higher effective memory clock speed 6,008 MHz vs 5,000 MHz More than 20% higher effective memory clock speed
Higher memory clock speed 1,502 MHz vs 1,250 MHz More than 20% higher memory clock speed
Lower TDP 170W vs 200W 15% lower TDP

Features Key features of the Radeon HD 7950 Mac  vs GeForce GTX 760 

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

GeForce GTX 760
192.3 GB/s

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

Radeon HD 7950 Mac
25.6 GPixel/s
GeForce GTX 760
23.52 GPixel/s

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

Radeon HD 7950 Mac
89.6 GTexel/s
GeForce GTX 760
94.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7950 Mac
2,867.2 GFLOPS
GeForce GTX 760
2,257.9 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

Radeon HD 7950 Mac  vs
GeForce GTX 760 
GPU brand AMD Nvidia
GPU name Tahiti PRO GK116
Market Desktop Desktop
Clock speed 800 MHz 980 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,792 1,152
Texture mapping units 112 96
Render output processors 32 32
Pixel rate 25.6 GPixel/s 23.52 GPixel/s
Texture rate 89.6 GTexel/s 94.1 GTexel/s
Floating-point performance 2,867.2 GFLOPS 2,257.9 GFLOPS

memory

Radeon HD 7950 Mac  vs
GeForce GTX 760 
Memory clock speed 1,250 MHz 1,502 MHz
Effective memory clock speed 5,000 MHz 6,008 MHz
Memory bus 384 bit 256 bit
Memory 3,072 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 240 GB/s 192.3 GB/s

noise and power

TDP 200W 170W

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