Radeon HD 7490M 

Released January, 2012
  • 800 MHz
  • 1 GB GDDR5

Features Key features of the Radeon HD 7490M

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

Radeon HD 7490M
30.4 GB/s
GeForce GT 630M
32 GB/s

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

Radeon HD 7490M
3.2 GPixel/s
GeForce GT 630M
3.2 GPixel/s

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

Radeon HD 7490M
6.4 GTexel/s
GeForce GT 630M
12.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7490M
256 GFLOPS
GeForce GT 630M
307.2 GFLOPS

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

Radeon HD 7490M
160

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

Radeon HD 7490M
8

Specifications Full list of technical specs

gpu

GPU brand AMD
GPU name Seymour
Market Laptop
Clock speed 800 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 160
Texture mapping units 8
Render output processors 4
Compute units 2
Pixel rate 3.2 GPixel/s
Texture rate 6.4 GTexel/s
Floating-point performance 256 GFLOPS

memory

Memory clock speed 950 MHz
Effective memory clock speed 3,800 MHz
Memory bus 64 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 30.4 GB/s

noise and power

TDP 9W
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