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Differences What are the advantages of each

Front view of Radeon HD 7650

Reasons to consider the
AMD Radeon HD 7650

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GPUBoss is not aware of any important advantages of the AMD Radeon HD 7650 vs the Nvidia GeForce GT 740.

Front view of GeForce GT 740

Reasons to consider the
Nvidia GeForce GT 740

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Significantly higher clock speed 993 MHz vs 750 MHz More than 30% higher clock speed
Higher effective memory clock speed 5,000 MHz vs 4,400 MHz Around 15% higher effective memory clock speed
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 1,250 MHz vs 1,100 MHz Around 15% higher memory clock speed

Features Key features of the Radeon HD 7650  vs GeForce GT 740 

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

Radeon HD 7650
70.4 GB/s
GeForce GT 740
80 GB/s
The memory is clocked at 5000 MHz reference clock (5.0 GHz effective) and comes with 2 GB of DDR3 or 1 GB of GDDR5 memory based SKUs.
GeForce GT 740 | by hassan-mujtaba (May, 2014)

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

Radeon HD 7650
6 GPixel/s
GeForce GT 740
7.94 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 740 | by hassan-mujtaba (May, 2014)

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

Radeon HD 7650
21 GTexel/s
GeForce GT 740
31.8 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 740 | by hassan-mujtaba (May, 2014)

floating point performance How fast the gpu can crunch numbers

Radeon HD 7650
672 GFLOPS
GeForce GT 740
762.6 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 7650  vs
GeForce GT 740 
GPU brand AMD Nvidia
GPU name Cape Verde LE GK117
Market Desktop Desktop
Clock speed 750 MHz 993 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 448 384
Texture mapping units 28 32
Render output processors 8 16
Pixel rate 6 GPixel/s 7.94 GPixel/s
Texture rate 21 GTexel/s 31.8 GTexel/s
Floating-point performance 672 GFLOPS 762.6 GFLOPS

memory

Radeon HD 7650  vs
GeForce GT 740 
Memory clock speed 1,100 MHz 1,250 MHz
Effective memory clock speed 4,400 MHz 5,000 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 GDDR5
Memory bandwidth 70.4 GB/s 80 GB/s

noise and power

TDP 55W 64W

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