Sapphire Radeon HD 4830 - Budget Overclocking


Sapphire HD 4830Having already covered the HD 4830 a couple of times here on Overclock3D in the past, one thing is certainly apparent: It is by far the best budget gaming card available at the moment. For under £100 you get a card that can play even the most challenging of games such as GRID at 1900x1200 with 4xAA and high quality textures, and even cut through Crysis with a reasonable frame rate. Today we explored Sapphire's offering and found it to not only possess all of these expected features, but was additionally also great in the overclocking department.
Using only the ATI Catalyst tool, the GPU speed was taken from 575MHz up to 700MHz and the Memory from 900MHz up to 1020MHz. This offered a significant FPS boost in both games and benchmarks, giving the Sapphire HD 4830 an edge over its bigger brother the 4850 in most cases. While overclocking may not be everybody's proverbial 'cup of tea', the process of overclocking has been greatly simplified since the awkward days of the X1900XT. As the results over the previous few pages have shown, if you're willing to spend just a  few minutes tweaking the HD 4830, you can bag yourself the next model up in the range for no additional expense other than your time.
Finally, the Sapphire HD 4830 also proved to be reasonably quiet even during heavy gaming sessions and maintained temperatures under 60°C at all times which undoubtedly attributed to its overclocking performance. If forced to nit pick the card, the non-standard PCB layout could cause problems for those looking to replace the card's cooling with a custom solution. But taking into consideration the low price of the card and its more than acceptable stock cooling, this is highly unlikely.
Available at
The Good
- Great performance per pound
- Amazingly high overclocks with little effort
- Decent cooling solution.
The Mediocre
- Non-standard PCB layout could hinder custom cooling
- Packaging a tad basic (but this is a budget card - what do you expect!)
The Bad
- Nothing
Overclock3D Editors Choice
Thanks to Sapphire for providing the HD 4830 for review. Discuss this review in our forums.
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Most Recent Comments

18-11-2008, 11:09:23

nice review Jim.This looks to be a killer little card as there is some very interesting benches regarding these things in cross-fire(they beat "green teams" best cards on one or two games.

18-11-2008, 17:38:23

Not my 'cup of tea' Quote

18-11-2008, 20:38:43

Originally Posted by name='Hassan'
Not my 'cup of tea'
Care to explain why?

Nice review jimbo. Think im going to grab something like this just to tide me over for a while. Next on the cards is something like this and fallout 3 Quote

19-11-2008, 06:21:35

Originally Posted by name='nepas'
nice review Jim.This looks to be a killer little card as there is some very interesting benches regarding these things in cross-fire(they beat "green teams" best cards on one or two games.
I read that and I am temped to replace my 8800GT with one of these with a view to get another in the future.Quote

19-11-2008, 07:37:33

It's a good comparison, but I do have to point out a few flaws.

The 9500GT has to have been included as a joke. Anything nVidia release below a x600 can only be perceived as a multimedia/desktop card (even tho ALL gfxcards promote themselves as "great gaming performer" - that's shtick). It's always been the case with the x400, x200 etc. Hence they're around or below £50. Now if u did a pureHD comparison also, that'd be different perhaps.

I have a 8400 in a media pc, and have no expectations of benching it against a 8600.

If u popped in a 9600GT, as nVidia's base expectation for proper game playing, then we could perhaps be more serious. The costing ofc would be that much different, but also would be the performance.

It is great that the 4830 can push it's elder brothers when it's oc'd, but what bothers me in the comparisons is that if u bought the brother - u'd most probably oc that too. Tricky.

For £100, I don't know about the validity of getting this card tbh. It's not something I'd promote.Quote

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