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Sapphire Toxic Radeon HD4870 512MB Graphics Card
Author: Jason Kohrs
Manufacturer: Sapphire
Source: Sapphire
Comment or Question: Post Here
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Sapphire Toxic Radeon HD4870 512MB Graphics Card
October 06, 2008

In terms of market coverage, Sapphire has the ATI Radeon line covered. From mild to wild, they have a video card for just about any application and budget. While the low end and mainstream cards are nice, it is the extreme, high performance cards that really grab your attention. The card provided for this review is definitely one of the latter!

The Sapphire Toxic Radeon HD4870 512MB graphics card takes the already solid performance of ATI's top of the line single GPU solution and rachets things up a little higher with a factory overclock and a unique cooler. The promotional image below provides a quick look at the card in question, while the rest of the review will take a closer look at the aggressive styling and performance features it has to offer.

Before taking a closer look at the unit provided for review, let's take a look at some published data on the Sapphire Toxic Radeon HD4870 512MB graphics card. The key things that the information below tells us is that the Toxic version of the Radeon HD4870 has been overclocked by 30MHz (4.0%) on the GPU and by 100MHz (11.1%) on the memory. While neither increase is extreme, it should be interesting to see how a top of the line card such as an HD4870 performs with an extra boost right out of the box.


GDDR5 memory/ 256-bit memory interface
DirectX 10.1
24x custom filter anti-aliasing (CFAA) and high performance anisotropic filtering
ATI CrossFireX multi-GPU support for highly scalable performance
Use up to four discrete cards with an AMD 790FX based motherboard
Dynamic geometry acceleration
Game physics processing capability
ATI Avivo HD video and display technology, Unified Video Decoder 2 (UVD) for Blu-ray and HD Video
Built-in HDMI with 7.1 surround sound supportOn-chip HDCP
ATI PowerPlay technology


Display Output: Dual DL-DVI-I+HDTV
Core Clock: 780 MHz
Memory Clock: 1000 MHz, 4.0Gbps
PCI Express 2.0 x16 bus interface
512MB /256bit GDDR5 memory interface
Dual Slot Active Cooler
HDMI compliant via dongle
7.1 Audio Channel Support
Microsoft DirectX 10.1 support
Shader Model 4.1 support

For a complete list of the current features and specifications, please visit the official product page on the Sapphire website.

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