We overclock NVIDIA's new GeForce GTX 780 video card to see just what kind of performance we can get out the new GPU. It has the $999 GTX TITAN in its view.

NVIDIA released a new high-end GPU model today in the form of the GeForce GTX 780. We check it out to see how it performs under our gaming tests.

We check out another retail AMD Radeon HD 7790 1GB video card. This time it's from the folks at MSI and we overclock it.

Sapphire doubles the memory on the Radeon HD 7790 to 2GB and we find out if it makes any difference in our gaming tests.

One of the final NVIDIA GeForce GTX 650 Ti Boost video cards we're looking at comes from EVGA. Did we leave the best till last?

We take a $2,000 video card setup and overclock it - not because we need to, but because we can. Let's check out the beasty EVGA GTX TITAN in SLI and overclocked.

We throw a Radeon HD 7970 GHz Edition in with the new HD 7990 6GB dual-GPU video card and look at CrossFireX gaming performance.

We've tested the new AMD Radeon HD 7990 dual GPU beast with its out of the box performance, and now we see what happens when we overclock it.

We find out what kind of performance a $2,000 video card setup gives us in the form of two EVGA GTX TITAN 6GB SuperClocked video cards in SLI mode.

We've been hearing about this model for months. Today we finally get to see the Radeon HD 7990 from AMD, and what it can do.

With the GeForce GTX TITAN on hand from EVGA, we finally get to see what the model is all about when overclocking is thrown into the mix.

Now that our issues with NVIDIA are sorted, you'll see more GeForce video card reviews on TweakTown - such as the EVGA GeForce GTX TITAN 6GB SuperClocked.

MSI is next up with its new GeForce GTX 650 Ti 2GB Boost Twin Frozr Gaming video card. We overclock it and see how it performs.

I want to upgrade my GPU setup, but don't know whether to CrossFire what I've got, or buy a new GPU

I want to upgrade to a Radeon HD 7850, but want to make sure I have the right PSU and no CPU bottleneck

We take a look at our second retail GeForce GTX 650 Ti Boost in the form of an offering from Gainward and see how it performs when in SLI mode and overclocked.

We take a look at our first retail GeForce GTX 650 Ti Boost in the form of an offering from Palit.

Should I go single or dual GPUs for my 120Hz monitor?

It's been a long time since we've seen a video card from ASUS, but today we check out the new HD 7790 DirectCU II OC, and see how it performs.

With a second reference GTX 650 Ti Boost on hand we throw both video cards in SLI and check out the performance.

I want to upgrade my system to play all games at 1080p at a minimum of 45fps, what would you recommend?

We have a quick look at a low profile version of the Radeon HD 7750 from Sapphire, which is suited to smaller systems such as those using Mini-ITX motherboards and cases.

We overclock NVIDIA's new GeForce GTX 650 Ti Boost video card and see just what the new mid-range bad boy can do.

Which brand is best for the GeForce GTX 660 or 660 Ti? ASUS, Gigabyte or MSI?

What? A reference video card from NVIDIA? And the review going live at NDA time? Yes - we've made peace and we're showing the GTX 650 Ti Boost today.

With a new GPU model from AMD we're got some different versions of the new Radeon HD 7790 and today we look at one from GIGABYTE and overclock it.

AMD has released a new model and we see just what the Radeon HD 7790 is about with the Dual-X OC model from Sapphire.

I'm stuck on deciding between Sapphire GPUs, should I get the HD 7870 or the HD 7950?

We take a look at what HIS is doing with the mid-range AMD Radeon HD 7770 and take the time to overclock it to see what it can do.

Is my ASUS M5A97 motherboard capable of taking an AMD Radeon HD 7970 video card?

We throw another 4GB HD 7850 into the mix and see how CrossFire performance is with these new bad boys from HIS.

I have a budget of $300 for a new GPU, what would you recommend?

HIS double the memory on the HD 7850 and release a 4GB version of the popular model.

If I had to choose between a Galaxy- or MSI-branded GeForce GTX 660, which one should I buy?

Should I get an NVIDIA GeForce GTX 680, GTX 690 or the new GTX Titan for my system?

I want to spend $400 on a new GPU, what would you recommend?

I now have an increased budget for my GPU upgrade, what should I buy now?

I want to upgrade my GPU and I'm stuck between AMD's Radeon HD 7770 and HD 7850, help!

I want to CrossFire my AMD Radeon GPUs, do they need to have the same clock speeds?

I game at 2560x1440 and current rock 3-way GeForce GTX 280s, where should I go from here?

I'm gaming at 1366x768 and want to know which GPU to buy

We take a look at our second Tahiti LE based AMD Radeon HD 7870 video card and overclock it this time as well to see what's on offer.

We take a look at the PCS wielding Radeon HD 7950 video card from PowerColor and see what it can do when overclocked.

I currently run an ASUS-branded Radeon HD 5870 and want a new GPU, which one should I get?

We overclock the HIS Radeon HD 7970 3GB IceQ X2 video card with its new "iPower" improved power setup and see how it performs under our benchmark tests.

Which GPU would be the best bang for buck at $300?

I need some help choosing a new GPU for my PC!

We check out a good looking Radeon HD 7750 video card from HIS. But is looks all that it has going for it?

HIS brings a dual GPU Radeon HD 7970 video card to the market and we find out if it's something you want. Is there really any question about it, though?

We check out the new Tahiti LE based HD 7870 from PowerColor and give you the low down.