Mobility Radeon HD 4860 

Released March, 2009
  • 650 MHz
  • 1 GB GDDR5

Features Key features of the Mobility Radeon HD 4860

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

Mobility Radeon HD 4860
64 GB/s
Radeon R5 M230
16 GB/s

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

Mobility Radeon HD 4860
10.4 GPixel/s
Radeon R5 M230
6.84 GPixel/s

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

Mobility Radeon HD 4860
20.8 GTexel/s
Radeon R5 M230
17.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Mobility Radeon HD 4860
832 GFLOPS
Radeon R5 M230
547.2 GFLOPS

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

Mobility Radeon HD 4860
640

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

Mobility Radeon HD 4860
32

Specifications Full list of technical specs

gpu

GPU brand ATI
GPU name M97
Market Laptop
Clock speed 650 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 10.4 GPixel/s
Texture rate 20.8 GTexel/s
Floating-point performance 832 GFLOPS

memory

Memory clock speed 1,000 MHz
Effective memory clock speed 4,000 MHz
Memory bus 128 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 64 GB/s
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