Gigabyte Radeon HD 4770

"The Gigabyte Radeon HD 4770 uses the RV740 GPU at 750Mhz and has 512MB GDDR5 memory running at 3200Mhz. The Gigabyte Radeon HD 4770 has a 128Bit Memory Interface, 640 Pixel Shaders and DirectX 10.1."

"The Gigabyte Radeon HD 4770 put in an amazing performance easily beating the Sapphire Radeon HD 4830 by 18% overall. This is a higher than expected performance increase considering the Gigabyte Radeon HD 4770 is using a 128Bit Memory Interface while the Sapphire Radeon HD 4830 is 256Bit. The Gigabyte Radeon HD 4770 was impressive running the latest demanding games like Fall Out 3 and Fear 2 Project Origin at very playable performance. I highly recommend the Gigabyte Radeon HD 4770!"