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Differences What are the advantages of each

Front view of Radeon R5 M465

Reasons to consider the
AMD Radeon R5 M465

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Higher clock speed 1,000 MHz vs 800 MHz 25% higher clock speed
Slightly more memory 4,096 MB vs 3,072 MB Around 35% more memory
Front view of Radeon HD 7950

Reasons to consider the
AMD Radeon HD 7950

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Much higher memory bandwidth 240 GB/s vs 16 GB/s 15x higher memory bandwidth
Significantly higher effective memory clock speed 5,000 MHz vs 2,000 MHz 2.5x higher effective memory clock speed
Better floating-point performance 2,867.2 GFLOPS vs 768 GFLOPS Around 3.8x better floating-point performance
Higher texture rate 89.6 GTexel/s vs 24 GTexel/s Around 3.8x higher texture rate
Significantly more shading units 1,792 vs 384 1408 more shading units
Significantly more texture mapping units 112 vs 24 88 more texture mapping units
Higher pixel rate 25.6 GPixel/s vs 8 GPixel/s Around 3.2x higher pixel rate
More render output processors 32 vs 8 24 more render output processors
More compute units 28 vs 6 22 more compute units
Higher memory clock speed 1,250 MHz vs 1,000 MHz 25% higher memory clock speed
Wider memory bus 384 bit vs 64 bit 6x wider memory bus

Features Key features of the Radeon R5 M465  vs HD 7950 

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

Radeon R5 M465
16 GB/s
Radeon HD 7950
240 GB/s

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

Radeon R5 M465
8 GPixel/s
Radeon HD 7950
25.6 GPixel/s

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

Radeon R5 M465
24 GTexel/s
Radeon HD 7950
89.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 M465
Radeon HD 7950
2,867.2 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


Radeon R5 M465  vs
HD 7950 
GPU name Meso Tahiti PRO
Clock speed 1,000 MHz 800 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 384 1,792
Texture mapping units 24 112
Render output processors 8 32
Compute units 6 28
Pixel rate 8 GPixel/s 25.6 GPixel/s
Texture rate 24 GTexel/s 89.6 GTexel/s
Floating-point performance 768 GFLOPS 2,867.2 GFLOPS


Radeon R5 M465  vs
HD 7950 
Memory clock speed 1,000 MHz 1,250 MHz
Effective memory clock speed 2,000 MHz 5,000 MHz
Memory bus 64 bit 384 bit
Memory 4,096 MB 3,072 MB
Memory type DDR3 GDDR5
Memory bandwidth 16 GB/s 240 GB/s


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