Radeon HD 6750M Mac vs GeForce GTX 660M |
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Differences What are the advantages of each
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| Slightly lower TDP | 35W | vs | 50W | 30% lower TDP | |||
|---|---|---|---|---|---|---|---|
| |||||||
| Higher clock speed | 835 MHz | vs | 598 MHz | Around 40% higher clock speed | |||
| More memory | 2,048 MB | vs | 512 MB | 4x more memory | |||
| Higher effective memory clock speed | 4,000 MHz | vs | 3,176 MHz | More than 25% higher effective memory clock speed | |||
| More render output processors | 16 | vs | 8 | Twice as many render output processors | |||
| Higher memory clock speed | 1,000 MHz | vs | 794 MHz | More than 25% higher memory clock speed | |||
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Features Key features of the Radeon HD 6750M Mac vs GeForce GTX 660M
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
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
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 | Radeon HD 6750M Mac | vs | GeForce GTX 660M |
|---|---|---|---|
| GPU brand | AMD | Nvidia | |
| GPU name | Whistler | GK107 | |
| Market | Laptop | Laptop | |
| Clock speed | 598 MHz | 835 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | None | |
raw performance | |||
| Shading units | 480 | 384 | |
| Texture mapping units | 24 | 32 | |
| Render output processors | 8 | 16 | |
| Pixel rate | 4.78 GPixel/s | 6.68 GPixel/s | |
| Texture rate | 14.35 GTexel/s | 26.72 GTexel/s | |
| Floating-point performance | 574.1 GFLOPS | 641.3 GFLOPS | |
memory | Radeon HD 6750M Mac | vs | GeForce GTX 660M |
|---|---|---|---|
| Memory clock speed | 794 MHz | 1,000 MHz | |
| Effective memory clock speed | 3,176 MHz | 4,000 MHz | |
| Memory bus | 128 bit | 128 bit | |
| Memory | 512 MB | 2,048 MB | |
| Memory type | GDDR5 | GDDR5 | |
| Memory bandwidth | 50.8 GB/s | 64 GB/s | |
noise and power | |||
| TDP | 35W | 50W | |
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