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Sapphire Radeon HD 4890 1GB OC
Specifications and Setup
In this review, we'll be comparing the Sapphire Radeon HD 4890 1GB OC to: A Sapphire Radeon HD 4850 512MB Toxic A Diamond Radeon HD 4870 1GB An EVGA GeForce GTX 260 896MB FTW A ZOTAC GeForce GTX 285 1GB AMP And a VisionTek Radeon HD 4870 X2 . Test Computer Specifications  Intel Core 2 Duo E8400 3GHz Asus Rampage Formula Crucial Ballistix Tracer DDR2 800 @ 4-4-4-12 (Sponsored by Crucial) Thermaltake Toughpower 1000 (Sponsored by Thermaltake) Windows Vista Ultimate x64 (Sponsored by Microsoft)Video Card Specifications If anyone actually reads this know that for a while, Sapphire didn't have their product page up and I was staring at a PDF swearing at ATI for making me copy this crap by hand. But one lucky refresh later and it's like I found a magic box with an hour inside. Manufacturer's Website Relentlessly Pursuing Performance Tear through the latest games with seamless frame rates and go beyond HD1 with the power of the ATI Radeon(TM) HD 4890 graphics processing unit (GPU). Building on the strength of the ATI Radeon(TM) 4800 series award-winning architecture, this GPU stands out from the rest with massive graphics processing muscle. Take ultimate control over your game and crank it up with scalable performance. Go ahead, max out the settings and put the ATI Radeon HD 4890 through its paces. 1. 1. HD capable monitor required. 2. 2. AMD's product warranty does not cover damages caused by overclocking, even when overclocking is enabled via AMD software. 3. 3. ATI CrossFireX(TM) technology requires an ATI CrossFireX Ready motherboard, an ATI CrossFireX(TM) Bridge Interconnect and may require a specialized power supply. 1 GB of GDDR5 memory DirectX(R) 10.1 support 800 stream processing units 24x custom filter anti-aliasing (CFAA) and high performance anisotropic filtering Quad mode ATI CrossFireX(TM) multi-GPU support for highly scalable performance PCI Express(R) 2.0 support Dynamic geometry acceleration Game physics processing capability ATI Avivo(TM) HD video and display technology & ATI Stream technology Dynamic power management with ATI PowerPlay(TM) technology I/O Output: Dual DL-DVI-I+HDTV Core Clock: 900 MHz Memory Clock: 975 MHz, 3.6Gbps PCI Express 2.0 x16 bus interface 1024MB /256bit GDDR5 memory interface Dual Slot Active Cooler HDMI compliant via dongle 7.1 Audio Channel Support Microsoft(R) DirectX(R) 10.1 support Shader Model 4.1 support
Page 1: Introduction, The Card & Bundle
Page 2: Specifications and Setup Page 3: DirectX 10 Titles Page 4: DX9, OpenGL, and Synthetics Page 5: Video, Power, and Overclocking Page 6: Conclusion 
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