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Differences What are the advantages of each

Front view of Radeon R7 265X

Reasons to consider the
AMD Radeon R7 265X

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Significantly higher effective memory clock speed 5,600 MHz vs 1,800 MHz More than 3x higher effective memory clock speed
Significantly higher memory bandwidth 179.2 GB/s vs 28.8 GB/s Around 6.2x higher memory bandwidth
Better floating-point performance 2,368 GFLOPS vs 1,271 GFLOPS More than 85% better floating-point performance
Higher pixel rate 29.6 GPixel/s vs 15.89 GPixel/s More than 85% higher pixel rate
Higher texture rate 74 GTexel/s vs 39.7 GTexel/s More than 85% higher texture rate
More render output processors 32 vs 16 Twice as many render output processors
Significantly higher memory clock speed 1,400 MHz vs 900 MHz More than 55% higher memory clock speed
More shading units 1,280 vs 640 Twice as many shading units
More texture mapping units 80 vs 40 Twice as many texture mapping units
Front view of GeForce GTX 950M

Reasons to consider the
Nvidia GeForce GTX 950M

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More memory 4,096 MB vs 2,048 MB 2x more memory
Higher clock speed 993 MHz vs 900 MHz More than 10% higher clock speed
Higher turbo clock speed 1,124 MHz vs 925 MHz More than 20% higher turbo clock speed
Lower TDP 75W vs 150W 2x lower TDP

Features Key features of the Radeon R7 265X  vs GeForce GTX 950M 

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

Radeon R7 265X
179.2 GB/s
GeForce GTX 950M
28.8 GB/s

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

Radeon R7 265X
29.6 GPixel/s
GeForce GTX 950M
15.89 GPixel/s

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

Radeon R7 265X
74 GTexel/s
GeForce GTX 950M
39.7 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 265X
2,368 GFLOPS
GeForce GTX 950M
1,271 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 R7 265X  vs
GeForce GTX 950M 
GPU brand AMD Nvidia
GPU name Curacao GM107
Market Desktop Laptop
Clock speed 900 MHz 993 MHz
Turbo clock speed 925 MHz 1,124 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,280 640
Texture mapping units 80 40
Render output processors 32 16
Pixel rate 29.6 GPixel/s 15.89 GPixel/s
Texture rate 74 GTexel/s 39.7 GTexel/s
Floating-point performance 2,368 GFLOPS 1,271 GFLOPS

memory

Radeon R7 265X  vs
GeForce GTX 950M 
Memory clock speed 1,400 MHz 900 MHz
Effective memory clock speed 5,600 MHz 1,800 MHz
Memory bus 256 bit 128 bit
Memory 2,048 MB 4,096 MB
Memory type GDDR5 DDR3
Memory bandwidth 179.2 GB/s 28.8 GB/s

noise and power

TDP 150W 75W

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