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Differences What are the advantages of each

Front view of Radeon R7 350X

Reasons to consider the
AMD Radeon R7 350X

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More memory 4,096 MB vs 1,024 MB 4x more memory
Front view of Radeon R5 340X

Reasons to consider the
AMD Radeon R5 340X

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Much higher effective memory clock speed 4,500 MHz vs 2,000 MHz 2.2x higher effective memory clock speed
Higher memory bandwidth 72 GB/s vs 32 GB/s 2.2x higher memory bandwidth
Higher memory clock speed 1,125 MHz vs 1,000 MHz Around 15% higher memory clock speed

Features Key features of the Radeon R7 350X  vs R5 340X 

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

Radeon R7 350X
32 GB/s
Radeon R5 340X
72 GB/s

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

Radeon R7 350X
8.4 GPixel/s
Radeon R5 340X
8.4 GPixel/s

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

Radeon R7 350X
25.2 GTexel/s
Radeon R5 340X
25.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 350X
806.4 GFLOPS
Radeon R5 340X
806.4 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 350X  vs
R5 340X 
GPU brand AMD AMD
GPU name Oland Oland
Market Desktop Desktop
Clock speed 1,000 MHz 1,000 MHz
Turbo clock speed 1,050 MHz 1,050 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 384 384
Texture mapping units 24 24
Render output processors 8 8
Compute units 6 6
Pixel rate 8.4 GPixel/s 8.4 GPixel/s
Texture rate 25.2 GTexel/s 25.2 GTexel/s
Floating-point performance 806.4 GFLOPS 806.4 GFLOPS

memory

Radeon R7 350X  vs
R5 340X 
Memory clock speed 1,000 MHz 1,125 MHz
Effective memory clock speed 2,000 MHz 4,500 MHz
Memory bus 128 bit 128 bit
Memory 4,096 MB 1,024 MB
Memory type DDR3 GDDR5
Memory bandwidth 32 GB/s 72 GB/s

noise and power

TDP 65W 65W

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