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From: John on 9 Apr 2010 08:53
What are the main advantages and disadvantages to running two SLI'd or
Crossfired graphics cards in a new system build to just getting a
single card?

E.g.

1)

Asus ATI Radeon HD 5770 CuCore 1024MB GDDR5 PCI-Express �135.99
Asus ATI Radeon HD 5770 CuCore 1024MB GDDR5 PCI-Express �135.99
Total Cost �271.98

- Exclusive Voltage Tweak Technology to increase extra performance
- Exclusive 5.8oz Copper Rod (CuCore) Cooler
- Core Clock: 850MHz
- Memory: 1024MB GDDR5
- Memory Clock: 4800MHz (Effective)
- Memory Bandwidth: 76.8GB/s
- Processing Cores: 800
- Bus Type: PCI-Express 2.1
- Display Connectors: 1 x DVI , 1 x D-Sub and 1 x HDMI
- HDCP Capable
- DirectX 11 Support
- OpenGL 3.2 Support
- ATI CrossFireX Ready
- ATI Eyefinity Technology
- ATI Avivo HD
- ATI Stream Technology
- Warranty: 3 Years


2)

Sapphire ATI Radeon HD 5850 Vapor-X 1024MB GDDR5 PCI-Express �260.99
Total Cost �260.99

- Vapor-X Cooling Assembly
- Core Clock: 875MHz
- Memory: 1024MB GDDR5
- Memory Clock: 5000MHz (Effective)
- Processing Cores: 1600
- Bus Type: PCI-Express 2.1
- Display Connectors: 2 Dual-Link DVI-I, 1 HDMI & 1 DisplayPort
- HDCP Capable
- DirectX 11 Support
- OpenGL 3.2 Support
- ATI CrossFireX Ready
- ATI Eyefinity Technology
- ATI Avivo HD
- ATI Stream Technology
- Warranty: 2 Years



Both total costs are similar, but which one would win it for you?

Would you say it would depend on end use? And would latency be much of
a factor with the two card system? Would it hamper future use of USB3
and/or SATA600? Bottlenecking?


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