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Features Key features of the Mobility Radeon HD 5850 Mac
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
Mobility Radeon HD 5850 Mac
10.05 GPixel/s
GeForce GT 730A
5.75 GPixel/s
GeForce GT 640M Mac
5.96 GPixel/s
texture rate Speed at which a graphics card can perform texture mapping
Mobility Radeon HD 5850 Mac
25.12 GTexel/s
GeForce GT 730A
14.38 GTexel/s
GeForce GT 640M Mac
23.84 GTexel/s
floating point performance How fast the gpu can crunch numbers
Mobility Radeon HD 5850 Mac
1,005 GFLOPS
GeForce GT 730A
552.2 GFLOPS
GeForce GT 640M Mac
572.2 GFLOPS
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
gpu
GPU brand | ATI |
---|---|
GPU name | Broadway |
Market | Laptop |
Clock speed | 628 MHz |
Is dual GPU | No |
Reference card | None |
raw performance
Shading units | 800 |
---|---|
Texture mapping units | 40 |
Render output processors | 16 |
Compute units | 10 |
Pixel rate | 10.05 GPixel/s |
Texture rate | 25.12 GTexel/s |
Floating-point performance | 1,005 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 |
noise and power
TDP | 30W |
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