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Differences What are the advantages of each

Front view of Radeon HD 8750

Reasons to consider the
AMD Radeon HD 8750

Report a correction
Significantly higher effective memory clock speed 4,500 MHz vs 1,802 MHz Around 2.5x higher effective memory clock speed
Higher clock speed 900 MHz vs 810 MHz More than 10% higher clock speed
Higher memory bandwidth 108 GB/s vs 28.8 GB/s 3.8x higher memory bandwidth
Better floating-point performance 1,382 GFLOPS vs 622.1 GFLOPS Around 2.2x better floating-point performance
Higher pixel rate 14.4 GPixel/s vs 6.48 GPixel/s Around 2.2x higher pixel rate
Higher memory clock speed 1,125 MHz vs 901 MHz Around 25% higher memory clock speed
More shading units 768 vs 384 Twice as many shading units
Wider memory bus 192 bit vs 128 bit 50% wider memory bus
Front view of GeForce GT 740M

Reasons to consider the
Nvidia GeForce GT 740M

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Lower TDP 45W vs 95W 2.1x lower TDP

Features Key features of the Radeon HD 8750  vs GeForce GT 740M 

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

Radeon HD 8750
108 GB/s
GeForce GT 740M
28.8 GB/s
The Geforce 710M works at up to 800MHz plus Boost for the GPU while memory will be clocked at up to 1.8GHz.
GeForce GT 740M | by Slobodan-Simic (Apr, 2013)

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

Radeon HD 8750
14.4 GPixel/s
GeForce GT 740M
6.48 GPixel/s
The Inno3D model tops the chart offering superior performance over the GeForce GTX 750 however pricing on the non-reference variant would also be slightly higher.
GeForce GT 740M | by hassan-mujtaba (May, 2014)

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

Radeon HD 8750
36 GTexel/s
GeForce GT 740M
25.9 GTexel/s
Performance figures posted in the same leak show that the reference GeForce GT 740 is actually slower than the GTX 650 while being faster than the GeForce GT 640 GDDR5 variant.
GeForce GT 740M | by hassan-mujtaba (May, 2014)

floating point performance How fast the gpu can crunch numbers

Radeon HD 8750
1,382 GFLOPS
GeForce GT 740M
622.1 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 8750  vs
GeForce GT 740M 
GPU brand AMD Nvidia
GPU name Bonaire PRO GK107
Market Desktop Laptop
Clock speed 900 MHz 810 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 768 384
Texture mapping units 40 32
Render output processors 16 16
Pixel rate 14.4 GPixel/s 6.48 GPixel/s
Texture rate 36 GTexel/s 25.9 GTexel/s
Floating-point performance 1,382 GFLOPS 622.1 GFLOPS

memory

Radeon HD 8750  vs
GeForce GT 740M 
Memory clock speed 1,125 MHz 901 MHz
Effective memory clock speed 4,500 MHz 1,802 MHz
Memory bus 192 bit 128 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 DDR3
Memory bandwidth 108 GB/s 28.8 GB/s

noise and power

TDP 95W 45W

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