Radeon HD 7950 vs Mobility Radeon HD 4850 X2 |
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Differences What are the advantages of each
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| Higher clock speed | 800 MHz | vs | 500 MHz | 60% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Higher effective memory clock speed | 5,000 MHz | vs | 2,800 MHz | Around 80% higher effective memory clock speed | |||
| Higher memory bandwidth | 240 GB/s | vs | 179.2 GB/s | Around 35% higher memory bandwidth | |||
| Better floating-point performance | 2,867.2 GFLOPS | vs | 1,600 GFLOPS | Around 80% better floating-point performance | |||
| Higher texture rate | 89.6 GTexel/s | vs | 40 GTexel/s | Around 2.2x higher texture rate | |||
| Slightly more memory | 3,072 MB | vs | 2,048 MB | 50% more memory | |||
| Significantly higher memory clock speed | 1,250 MHz | vs | 700 MHz | Around 80% higher memory clock speed | |||
| Higher pixel rate | 25.6 GPixel/s | vs | 16 GPixel/s | More than 60% higher pixel rate | |||
| More texture mapping units | 112 | vs | 80 | 32 more texture mapping units | |||
| More compute units | 28 | vs | 20 | 8 more compute units | |||
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| Is dual GPU | Yes | vs | No | About half of graphics cards are dual GPU | |||
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Features Key features of the Radeon HD 7950 vs Mobility Radeon HD 4850 X2
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 7950 | vs | Mobility Radeon HD 4850 X2 |
|---|---|---|---|
| GPU brand | AMD | ATI | |
| GPU name | Tahiti PRO | M98 | |
| Market | Desktop | Laptop | |
| Clock speed | 800 MHz | 500 MHz | |
| Is dual GPU | No | Yes | |
| Reference card | None | None | |
raw performance | |||
| Shading units | 1,792 | 1,600 | |
| Texture mapping units | 112 | 80 | |
| Render output processors | 32 | 32 | |
| Compute units | 28 | 20 | |
| Pixel rate | 25.6 GPixel/s | 16 GPixel/s | |
| Texture rate | 89.6 GTexel/s | 40 GTexel/s | |
| Floating-point performance | 2,867.2 GFLOPS | 1,600 GFLOPS | |
memory | Radeon HD 7950 | vs | Mobility Radeon HD 4850 X2 |
|---|---|---|---|
| Memory clock speed | 1,250 MHz | 700 MHz | |
| Effective memory clock speed | 5,000 MHz | 2,800 MHz | |
| Memory bus | 384 bit | 512 bit | |
| Memory | 3,072 MB | 2,048 MB | |
| Memory type | GDDR5 | GDDR5 | |
| Memory bandwidth | 240 GB/s | 179.2 GB/s |
