Test System Specs & 3Dmark Vantage
Core i5 Test System Specs - Intel Core i7 965 Extreme Edition (Overclocked @ 3.70GHz) - x3 2GB G.Skill DDR3 PC3-12800 (CAS 9-9-9-24) - Asus P6T Deluxe (Intel X58) - OCZ GameXStream (700 watt) - Seagate 500GB 7200-RPM (Serial ATA300) - Radeon HD 4870 (1GB) - Radeon HD 5770 (1GB) - GeForce GTX 260 (896MB) - Radeon HD 4890 (1GB) - Radeon HD 5770 (1GB) Crossfire - Radeon HD 5830 (1GB) - GeForce GTX 275 (896MB) - Radeon HD 4870 X2 (2GB) - GeForce GTX 285 (1GB) - Radeon HD 5850 (1GB) - GeForce GTX 295 (1792MB) - Radeon HD 5870 (1GB) - Radeon HD 5970 (2GB) - Radeon HD 5870 (1GB) Crossfire Software - Microsoft Windows 7 Ultimate (64-bit) - Nvidia Forceware 196.34 - ATI Catalyst 10.1 - ATI 8.703 RC2 Win7 Vista (Feb11) |

According to 3Dmark Vantage the Radeon HD 5830 is 12% faster than the GeForce GTX 285 at 2560x1600. This is an impressive result making Radeon HD 5830 a mere 4% slower than the more expensive 5850 with a score of 4848pts. Given that this graphics card should be replacing the Radeon HD 4890 in terms of pricing, the 37% performance boost compared to the latter was a nice surprise.