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AMD Radeon R7 240

Front view of Radeon R7 240
Front view of Mobility Radeon HD 4850 X2

ATi Mobility Radeon HD 4850 X2

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Differences What are the advantages of each

Front view of Radeon R7 240

Reasons to consider the
AMD Radeon R7 240

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Higher clock speed 730 MHz vs 500 MHz More than 45% higher clock speed
Higher memory clock speed 900 MHz vs 700 MHz Around 30% higher memory clock speed
Front view of Mobility Radeon HD 4850 X2

Reasons to consider the
ATi Mobility Radeon HD 4850 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Significantly higher memory bandwidth 179.2 GB/s vs 28.8 GB/s Around 6.2x higher memory bandwidth
Higher effective memory clock speed 2,800 MHz vs 1,800 MHz More than 55% higher effective memory clock speed
Significantly more shading units 1,600 vs 320 1280 more shading units
Better floating-point performance 1,600 GFLOPS vs 499.2 GFLOPS Around 3.2x better floating-point performance
More render output processors 32 vs 8 24 more render output processors
More texture mapping units 80 vs 20 60 more texture mapping units
Higher pixel rate 16 GPixel/s vs 6.24 GPixel/s More than 2.5x higher pixel rate
More compute units 20 vs 5 15 more compute units
Slightly higher texture rate 40 GTexel/s vs 15.6 GTexel/s More than 2.5x higher texture rate
Wider memory bus 512 bit vs 128 bit 4x wider memory bus

Features Key features of the Radeon R7 240  vs Mobility Radeon HD 4850 X2 

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

Radeon R7 240
28.8 GB/s
Mobility Radeon HD 4850 X2
179.2 GB/s

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

Radeon R7 240
6.24 GPixel/s
Mobility Radeon HD 4850 X2
16 GPixel/s

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

Radeon R7 240
15.6 GTexel/s
Mobility Radeon HD 4850 X2
40 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 240
499.2 GFLOPS
Mobility Radeon HD 4850 X2
1,600 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon R7 240
320
Mobility Radeon HD 4850 X2
1,600

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon R7 240
20
Mobility Radeon HD 4850 X2
80

Specifications Full list of technical specs

gpu

 Radeon R7 240  vs
Mobility Radeon HD 4850 X2 
GPU brand AMD ATI
GPU name Oland M98
Market Desktop Laptop
Clock speed 730 MHz 500 MHz
Is dual GPU No Yes
Reference card None None

raw performance
Shading units 320 1,600
Texture mapping units 20 80
Render output processors 8 32
Compute units 5 20
Pixel rate 6.24 GPixel/s 16 GPixel/s
Texture rate 15.6 GTexel/s 40 GTexel/s
Floating-point performance 499.2 GFLOPS 1,600 GFLOPS

memory

 Radeon R7 240  vs
Mobility Radeon HD 4850 X2 
Memory clock speed 900 MHz 700 MHz
Effective memory clock speed 1,800 MHz 2,800 MHz
Memory bus 128 bit 512 bit
Memory 2,048 MB 2,048 MB
Memory type DDR3 GDDR5
Memory bandwidth 28.8 GB/s 179.2 GB/s

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