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by Tim-Verry (Sep, 2012)The 8850 and 8870 graphics cards are rumored to launch in January 2013 for under $300 and offer up some significant performance and efficiency improvements.
by Tim-Verry (Sep, 2012)The 8800 series gets a nice boost in potential performance as well, topping out at 187.2 GFLOPS for the 8850 and 246 GFLOPS for the 8870.
Features Key features of the Radeon HD 8870
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
In The News From around the web
| 18 Sep |
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So while the memory bus and number of ROP units is staying the same, you are getting more shaders and texture units along with a boost to the overall memory bandwidth with the larger die size – sounds like an okay compromise to me!
The 8850 and 8870 graphics cards are rumored to launch in January 2013 for under $300 and offer up some significant performance and efficiency improvements.
Specifications Full list of technical specs
gpu
| GPU brand | AMD |
|---|---|
| GPU name | Hainan XT |
| Market | Desktop |
| Clock speed | 925 MHz |
| Turbo clock speed | 975 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 2,048 |
|---|---|
| Texture mapping units | 128 |
| Render output processors | 32 |
| Compute units | 32 |
| Pixel rate | 29.6 GPixel/s |
| Texture rate | 118.4 GTexel/s |
| Floating-point performance | 3,789 GFLOPS |
memory
| Memory clock speed | 1,500 MHz |
|---|---|
| Effective memory clock speed | 6,000 MHz |
| Memory bus | 256 bit |
| Memory | 2,048 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 192 GB/s |
noise and power
| TDP | 185W |
|---|
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Competitors
 | Nvidia GeForce GT 740M
|
 | Nvidia GeForce GT 650M
|
 | Nvidia GeForce GT 750M
|
 | AMD Radeon HD 8770
|
 | Nvidia GeForce GTX 660
|
 | Nvidia GeForce GTX 760
|
 | AMD Radeon HD 7870
|
Other Radeon HD 8870s
 | AMD Radeon HD 8870 OEM
|
 | AMD Radeon HD 8870 OEM
|
 | AMD Radeon HD 8870 Retail
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