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Differences What are the advantages of each

Front view of Radeon HD 8400E

Reasons to consider the
AMD Radeon HD 8400E

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Higher clock speed 600 MHz vs 450 MHz Around 35% higher clock speed
Front view of Radeon HD 6530M

Reasons to consider the
AMD Radeon HD 6530M

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Higher effective memory clock speed 1,800 MHz vs 1,066 MHz Around 70% higher effective memory clock speed
Slightly higher memory bandwidth 28.8 GB/s vs 8.53 GB/s Around 3.5x higher memory bandwidth
Significantly higher memory clock speed 900 MHz vs 533 MHz Around 70% higher memory clock speed
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More shading units 400 vs 160 240 more shading units
Slightly more texture mapping units 20 vs 8 12 more texture mapping units
Slightly more compute units 5 vs 2 3 more compute units

Features Key features of the Radeon HD 8400E  vs 6530M 

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

Radeon HD 8400E
8.53 GB/s
Radeon HD 6530M
28.8 GB/s

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

Radeon HD 8400E
2.4 GPixel/s
Radeon HD 6530M
3.6 GPixel/s

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

Radeon HD 8400E
4.8 GTexel/s
Radeon HD 6530M
9 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8400E
Radeon HD 6530M

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 HD 8400E  vs
GPU name Kalindi Capilano
Market Laptop Laptop
Clock speed 600 MHz 450 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 160 400
Texture mapping units 8 20
Render output processors 4 8
Compute units 2 5
Pixel rate 2.4 GPixel/s 3.6 GPixel/s
Texture rate 4.8 GTexel/s 9 GTexel/s
Floating-point performance 192 GFLOPS 360 GFLOPS


Radeon HD 8400E  vs
Memory clock speed 533 MHz 900 MHz
Effective memory clock speed 1,066 MHz 1,800 MHz
Memory bus 64 bit 128 bit
Memory 512 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 8.53 GB/s 28.8 GB/s

noise and power

TDP 25W 26W

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