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Review: Sapphire Radeon HD 4830 512MB - CrossFire making sense?

by Tarinder Sandhu on 13 November 2008, 14:31

Tags: Radeon HD 4830 512MB GDDR3 PCI-E, Sapphire

Quick Link: HEXUS.net/qap5m

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Company of Heroes: Opposing Fronts DX10

Company of Heroes: OF (high-end) 1,680x1,050 4xAA 0xAF
Sapphire HD 4830 512MBZOTAC GTX 260 896MBBFG GeForce GTX 280 OCXBFG GeForce GTX 260 OCX MAXSapphire HD 4830 XFForce3D HD 4870PowerColor Radeon HD 4850
38.0270.3794.4583.5772.3455.5846.35


Company of Heroes: OF (high-end) 1,920x1,200 4xAA 0xAF
Sapphire HD 4830 512MBZOTAC GTX 260 896MBBFG GeForce GTX 280 OCXBFG GeForce GTX 260 OCX MAXSapphire HD 4830 XFForce3D HD 4870PowerColor Radeon HD 4850
33.1458.4879.5269.0662.8546.1339.12


Company of Heroes: OF (high-end) 2,560x1,600 4xAA 0xAF
Sapphire HD 4830 512MBZOTAC GTX 260 896MBBFG GeForce GTX 280 OCXBFG GeForce GTX 260 OCX MAXSapphire HD 4830 XFForce3D HD 4870PowerColor Radeon HD 4850
21.6137.2951.5244.5343.1329.824.11


Run via the taxing DX10 codepath, single-GPU numbers aren't fantastic at any resolution.

Put two cards together and we see some almost-perfect scaling, and the numbers are good enough that 2,560x1,600 is faster than single-card 1,680x1,050.