0 Comments
|
|
|
Features Key features of the Radeon HD 4855
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
GPU brand | ATI |
---|---|
GPU name | RV770 |
Market | Desktop |
Clock speed | 575 MHz |
Is dual GPU | No |
Reference card | ATi Radeon HD 4855 575 MHz 512 MB |
raw performance
Shading units | 640 |
---|---|
Texture mapping units | 32 |
Render output processors | 16 |
Compute units | 8 |
Pixel rate | 9.2 GPixel/s |
Texture rate | 18.4 GTexel/s |
Floating-point performance | 736 GFLOPS |
memory
Memory clock speed | 900 MHz |
---|---|
Effective memory clock speed | 3,600 MHz |
Memory bus | 256 bit |
Memory | 512 MB |
Memory type | GDDR5 |
Memory bandwidth | 115.2 GB/s |
noise and power
TDP | 110W |
---|

Follow us
Compare
Competitors
Compare | |
Compare | Colorful GeForce GTX 650
|
Compare | AMD Radeon HD 8670
|
Compare | Nvidia GeForce GTS 450
|
Compare | AMD Radeon HD 6770
|
Compare | ATi Radeon HD 4850
|
Compare | ZOTAC GeForce GTX 560 SE
|
Other Radeon HD 4855s
ATi Radeon HD 4855
| |
Lantic Radeon HD 4855 1 GB
| |
Popular Comparisons
![]() | VS | ![]() |
$304 | ||
1050 Ti vs 1060 | ||
![]() | VS | ![]() |
960 vs 970 | ||
![]() | VS | ![]() |
$304 | ||
1060 vs 970 | ||
![]() | VS | ![]() |
R9 380 vs 960 | ||
![]() | VS | ![]() |
R9 390 vs 970 | ||
![]() | VS | ![]() |
970 vs R9 290X | ||
![]() | VS | ![]() |
$274 | ||
960 vs 750 Ti | ||