ATI VIDEO CARD CHART

"Sapphire Radeon HD 4870 X2 review which also features the Sapphire Radeon HD 4850 X2. The Sapphire Radeon HD 4870 X2 has 17% higher clock speed and 45% higher memory speed than the Sapphire Radeon HD 4850 X2."

"The Asus GeForce GTS 250 review also featuring the Pov GeForce GTX 260. The Asus GeForce GTS 250 has a 25% faster clock speed, 1% higher memory speed but the Asus GeForce GTS 250 has 64 less Pixel Shaders."

"XFX Radeon HD 4770 review also featuring the Gainward Radeon HD 4850. The XFX Radeon HD 4770 has a 17% higher clock speed, 38% higher memory speed but 20% less Pixel Shaders compared to the Gainward Radeon HD 4850. The XFX Radeon HD 4770 does have a disadvantage which is the 128Bit Memory Interface which is half that of the Gainward Radeon HD 4850. How will this effect the performance?"

"BFG GeForce GTX 275 OC review also featuring the Gainward GeForce GTX 275. The BFG GeForce GTX 275 OC is a Factory Overclocked version of GeForce GTX 275 which means that it has a 3% faster clock speed, 2% higher memory speed and 240 Pixel Shaders."

"Gainward GeForce GTX 275 review also featuring the XFX Radeon HD 4890. The Gainward GeForce GTX 275 has a 26% lower clock speed, 42% lower memory speed and 460 less Pixel Shaders compared to the XFX Radeon HD 4890. The Gainward GeForce GTX 275 is going to have to work hard!"

"Sapphire Radeon HD 4770 review which also features the Sapphire Radeon HD 3870. The Sapphire Radeon HD 4770 has 4% lower clock speed, 30% higher memory speed and an extra 320 Pixel Shaders compared to the Sapphire Radeon HD 3870. The Sapphire Radeon HD 4770 does have a disadvantage with the 128 Bit memory interface due to the Sapphire Radeon HD 3870 having a 256 Bit interface. How will this effect performance?"

"XFX Radeon HD 4850 review also featuring the EVGA GeForce GTS 250. The XFX Radeon HD 4850 has 15% lower clock speed, 5% lower memory speed, 800 Pixel Shaders and DirectX 10.1 Support. The XFX Radeon HD 4850 does not have any disadvantages just raw performance!"

"Inno3D GeForce 9800 GT review also features the Gigabyte Radeon HD 4770. The Inno3D GeForce 9800 GT has a 20% lower clock speed, 44% lower memory speed and 528 less Pixel Shaders. The Inno3D GeForce 9800 GT does have an advantage and this is the 256Bit Memory Interface which is twice that of the Gigabyte Radeon HD 4770 which uses a 128Bit Memory Interface."

"Gigabyte Radeon HD 4770 review also featuring the Sapphire Radeon HD 4830. The Gigabyte Radeon HD 4770 has a 24% higher clock speed, 44% higher memory speed and the same 640 Pixel Shaders as the Sapphire Radeon HD 4830. The Gigabyte Radeon HD 4770 does have a disadvantage which is the 128Bit Memory Interface which is half that of the Sapphire Radeon HD 4830. Will the advantages outweigh the disadvantages?"

"XFX Radeon HD 4890 review also featuring the Gainward Radeon HD 4870. The XFX Radeon HD 4890 has a 11% higher clock speed, 9% higher memory speed and the same 800 Pixel Shaders as the Gainward Radeon HD 4870. This means the XFX Radeon HD 4890 will be atleast 10% faster than the Gainward Radeon HD 4870. Another advantage for the XFX Radeon HD 4890 is the extra 512MB Memory which will definately increase game performance."

"EVGA GeForce GTS 250 review also featuring the Inno3D GeForce 9800 GTX+. The EVGA GeForce GTS 250 has a 3% higher clock speed, the same 2200 Mhz memory speed and 128 Pixel Shaders as the Inno3D GeForce 9800 GTX+. This means the only real advantage the EVGA GeForce GTS 250 has over the Inno3D GeForce 9800 GTX+ is an extra 512MB Memory."