Mobility Radeon HD 4830 

Released March, 2009
  • 550 MHz
  • 1 GB GDDR5

Features Key features of the Mobility Radeon HD 4830

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

Mobility Radeon HD 4830
44.8 GB/s
GeForce GT 740M
28.83 GB/s

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

Mobility Radeon HD 4830
8.8 GPixel/s
GeForce GT 740M
6.48 GPixel/s

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

Mobility Radeon HD 4830
17.6 GTexel/s
GeForce GT 740M
25.92 GTexel/s

floating point performance How fast the gpu can crunch numbers

Mobility Radeon HD 4830
GeForce GT 740M
622.1 GFLOPS

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

Mobility Radeon HD 4830

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

Mobility Radeon HD 4830

Specifications Full list of technical specs


GPU brand ATI
GPU name M97
Market Laptop
Clock speed 550 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 640
Texture mapping units 32
Render output processors 16
Compute units 8
Pixel rate 8.8 GPixel/s
Texture rate 17.6 GTexel/s
Floating-point performance 704 GFLOPS


Memory clock speed 700 MHz
Effective memory clock speed 2,800 MHz
Memory bus 128 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 44.8 GB/s
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