Radeon HD 4850 OC - 512 MB GDDR3 - PCI-Express 2.0 Expert Reviews

Sapphire has added their Vapor-X vapor chamber cooling technology to the Radeon HD 5870 series and has launched a doozy of a card today. Read on to see how this factory overclocked Radeon HD 5870 does with a superior cooling solution in place to keep ...

Sapphire raises the bar when it comes to Radeon HD 5870's and is now the company to beat thanks to their Vapor-X cooling technology and factory overclocked settings

We've recently seen Sapphire ramp up the HD 4890. We have a look at a 2GB equipped Vapor-X model from the company today. Introduction

The first thing we have to say is that there's a solid performance increase across the board when it comes to the Sapphire HD 4890 2GB Vapor-X. We can honestly say that most of that gain would come from the increased overclock more so than the extra ...

The Radeon HD 4670 is the mid-range offering from ATI, with lower performance than the Radeon HD 4770 & 4800 series but more performance than the Radeon HD 4300 and 4500 series. With so many new cards out there, the Radeon HD 4670 fits in nicely to ...

This is a great little card that can make a gamer out of nearly any system for a great price, with stellar temperatures, and no extra noise

We have a look at Sapphire's HD 4890 and compare it solely against the HD 4870 to see the improvements we've received. Introduction

Across the board we've seen some good gains from the HD 4890 when compared to the HD 4870. With that said, though, it's not next generation gains, which is fine since ATI chose to keep the card a part of the HD 4800 series. If they had come out and ...

As a general rule, our belief is that pairing two slow-performing cards using SLI or CrossFire is a bad idea-you're usually better off running a single faster card. However, the Radeon 4850 X2 delivers astounding performance compared to the single-GPU ...

Killer performance for $300. Four DVI ports! Faster than a GTX 280

GDDR3 hurts memory bandwidth. Four DVI ports leave no room for rear exhaust vents

Like its 4870-powered predecessor, the 4850 X2 sports ATI's advanced video decode acceleration, allowing you to view fully accelerated picture-in-picture Blu-ray discs. It's fully compatible with multiple-monitor displays, and we love that this board ...

Review: Non-reference Vapor-X cooling and higher clocks   Radeon Toxic HD 4870 is a name for Sapphire's special version of the HD 4870, this time with special cooling and an overclocked core. The card uses Vapor-X cooling that does a great job at ...

Higher clocks and Toxic Vapor-X cooling do however come at a price and you'll have to pay around 20 more compared to the reference card's price. If you want a fast HD 4870 with some powerful cooling, then this card just might strike your chord

Today Legit Reviews looks at the new Sapphire Radeon HD 4850 X2 which features 1600 Stream processors, 2GB of GDDR3 memory running at 993MHz and two GPU's clocked at 625MHz! Sapphire is the only manufacturer to produce and sell the 4850 X2 which ...

Introduction AMD's Radeon HD 4870 X2 has comfortably held the title of world's fastest single-board graphics card since its arrival in August 2008. By squeezing two Radeon HD 4870 1GB GPUs onto a single PCB and hooking them up via internal ...

Final thoughts and rating It's always difficult not to faint when a manufacturer presents a gamer-orientated graphics card with an asking price in the region of £500, plus VAT! - enough, we should add, to purchase both a PlayStation 3 and an Xbox 360 ...

Being priced at reasonable $419, the Sapphire HD 4850 X2 is designed to take some market share from NVIDIA's GTX 280. The card features 2 GB of GDDR3 memory and comes with a custom designed cooling solution. Even though you would expect very little ...

Great performance, Lots of overclocking potential left, Better average performance per Dollar ratio than GTX 280, Beats HD 4870 X2 in high resolutions, DirectX 10.1 support

Extremely noisy card, CrossFire does not work in windowed 3D, Hot air not exhaust out of the case, Complex overclocking process, Dual GPU design - depends on optimum driver support, Long PCB, No support for CUDA/PhysX

When looked at from a pure performance standpoint, then the Sapphire HD 4850 X2 is among the top cards on the market. It beats the NVIDIA GeForce GTX 280 by about 3%. What is also very interesting is that in higher resolutions the HD 4850 X2 can also ...