Radeon HD 3850 X2 vs GeForce GTX 260 |
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Differences What are the advantages of each
| |||||||
| Is dual GPU | Yes | vs | No | About half of graphics cards are dual GPU | |||
|---|---|---|---|---|---|---|---|
| Higher clock speed | 669 MHz | vs | 518 MHz | Around 30% higher clock speed | |||
| More shading units | 640 | vs | 192 | 448 more shading units | |||
| Slightly higher pixel rate | 21.4 GPixel/s | vs | 14.5 GPixel/s | Around 50% higher pixel rate | |||
| Wider memory bus | 512 bit | vs | 448 bit | Around 15% wider memory bus | |||
| Lower TDP | 140W | vs | 182W | Around 25% lower TDP | |||
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| Slightly more memory | 1,792 MB | vs | 1,024 MB | 75% more memory | |||
| Slightly higher effective memory clock speed | 2,016 MHz | vs | 1,656 MHz | More than 20% higher effective memory clock speed | |||
| More texture mapping units | 64 | vs | 32 | Twice as many texture mapping units | |||
| Higher memory clock speed | 1,008 MHz | vs | 828 MHz | More than 20% higher memory clock speed | |||
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Features Key features of the Radeon HD 3850 X2 vs GeForce GTX 260
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 3850 X2 | vs | GeForce GTX 260 |
|---|---|---|---|
| GPU brand | ATI | Nvidia | |
| GPU name | RV670 | GT200B | |
| Market | Desktop | Desktop | |
| Clock speed | 669 MHz | 518 MHz | |
| Is dual GPU | Yes | No | |
| Reference card | None | Nvidia GeForce GTX 260 576 MHz 896 MB | |
raw performance | |||
| Shading units | 640 | 192 | |
| Texture mapping units | 32 | 64 | |
| Render output processors | 32 | 28 | |
| Pixel rate | 21.4 GPixel/s | 14.5 GPixel/s | |
| Texture rate | 21.4 GTexel/s | 33.15 GTexel/s | |
| Floating-point performance | 856.4 GFLOPS | 414.7 GFLOPS | |
memory | Radeon HD 3850 X2 | vs | GeForce GTX 260 |
|---|---|---|---|
| Memory clock speed | 828 MHz | 1,008 MHz | |
| Effective memory clock speed | 1,656 MHz | 2,016 MHz | |
| Memory bus | 512 bit | 448 bit | |
| Memory | 1,024 MB | 1,792 MB | |
| Memory type | GDDR3 | GDDR3 | |
| Memory bandwidth | 105.98 GB/s | 112.9 GB/s | |
noise and power | |||
| TDP | 140W | 182W | |
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