AMD Radeon HD 4000 series has ‘known performance issues’ with OpenCL
Grudzień 27th, 2009EliteBastards - For some time now we've been looking forward to OpenCL and what it can bring to the world of general purpose computing which uses a GPU for its processing power. However, if you're a Radeon HD 4000 series graphics board user, it appears as though you might have to revise your expectations for OpenCL performance downward somewhat, at least unless the developer of said application gives specific consideration to the functionality of your ...>
ASUS Launches Video Cards with Super ML Caps
Maj 2nd, 2009enthusiast.hardocp.com - ASUS has introduced the world’s first graphics cards to utilize Multilayer Polymer Capacitors (Super ML Caps) with the self-designed ENGTX285 and EAH4890 Series. Both equipped with the Super ML Cap, the ASUS designed ENGTX285 Series allows users to enjoy up to 3.3 times GPU overclocking margins and up to 15°C cooler GPU temperatures when compared to reference designed boards; while the ASUS designed EAH4890 is equipped with the Super ML Cap, Voltage Tweak Technology and a specially designed ...>
ASUS EAH4890 Video Card Evaluation
Maj 2nd, 2009enthusiast.hardocp.com - ASUS is known as the one of the largest and most successful motherboard manufacturers in the world, but they make more than just motherboards. They also offer graphics cards, notebooks, netbooks, optical drives, handheld PCs, and many other computer hardware accessories. This article will focus on a brand new addition to their video card lineup: The ASUS EAH4890, featuring the new AMD Radeon HD 4890 GPU and 1GB of GDDR5 memory. (...) Today, AMD is officially launching an update for ...>
XFX Radeon 4770 with more amount of RAM
Maj 2nd, 2009The company presented almost the same system with slight modification than previous construction. The two structures differ because the amount of RAM, which this product is 1024 MB (GDDR5). In addition, as we see the packaging is different. We do not have it already plain rectangle - its shape recalls the letter X, which should highlight it. Unfortunately, both the core clocks and memory and to be the same as the regular model. Prices and dates for the introduction of the ...>
OverClocked ASUS Radeon HD 4770 TOP
Maj 2nd, 2009ASUS is currently the only partner of AMD / ATI, who announced that the shoot on the market in the Radeon HD 4770 in a overclocked version. With Tweak Voltage, users can increase the voltage to 1.2V cards and timings up to 971MHz. Reference models have a 512MB card and the GDDR5 memory timings at 750MHz GPU memory speed of 3.2GHz. Final TOP manufactured by Asus will have the timings of 800MHz for the GPU and 3.4GHz memory. Also of note ...>
MSI Radeon 4770 512MB GDDR5
Maj 2nd, 2009Taiwanese manufacturer MSI has announced the placing on the market card Radeon HD 4770. Card made in 40nm technology based on the RV740 chipset has 640 stream processors, 128-bit memory, the clock timings of the GPU frequency to 750 MHz and 512MB of memory GDDR5 taktowanej 3200 MHz. Card Price will be 99 dollars. >
Sapphire Radeon HD 4890 Atomic 1 GHz for the GPU
Maj 2nd, 2009Sapphire is preparing to issue its three new graphics card Radeon HD 4890, representing a series of Atomic. Accelerators using the modified cooling Vapor-X and work with increased clock frequencies. The following card has a very high frequency work. Graphic Processor "tion" at a speed of up to 1 GHz (!) And 1 GB of GDDR5 memory - 4200 MHz (QDR effectively). These values are respectively 150 and 300 MHz higher than the reference clocks. All Atomic accelerators have a 6 ...>
Gigabyte Radeon HD 4770 – the new dimension of 40nm technology
Maj 1st, 2009GigaByte is presenting new Radeon HD 4770. Accelerator is based on the RV740 and manufactured the system in a new dimension of technology - 40 nm. As one of the first companies, which presented the first images of new graphics card is a Taiwanese manufacturer - Gigabyte. The product has 640 stream processors, 128-bit memory prosthesis and 512 MB of GDDR5 memory, all on the aforementioned RV740 GPU system. Radeon HD 4770 will work with a frequency of 750 MHz for GPU ...>
OverClocking the Radeon 4770
Maj 1st, 2009Radeon HD 4770 based on RV740 processor made in 40 nm process technology. With the premiere of new video cards, gave to the question of the possible overclocking possibilities. The answer is clear - Radeon HD 4770 offers great opportunities for OC. Main disadvantage is a Catalyst Control Center, which does not allow user to overclock his video card hard enough. 830 MHz for GPU and 850 MHz for memory. Of course visitors found a way to circumvent the irritating limit. ...>
Sapphire Radeon HD 4770 – economic low-performance card
Maj 1st, 2009SAPPHIRE present the first graphics card manufactured in 40nm process technology - HD 4770. After the premiere efficient HD 4890 graphics card at high-end segment presents a new SAPPHIRE HD 4770 graphics card for the mainstream market. Not used by the ATI process in the manufacture of graphics cards was 55nm. Going to 40nm reduces the amount of current consumption, and thus the possibility of achieving a higher graphics core clock frequency and less heat. The maximum amount of energy collected ...>