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ATI will launch Radeon 3670 and 3450 on the January 23rd and again we are talking about healthy quantity.
Both cards are 55 nanometre, DirectX 10.1 capable and they are suppose to replace the 2600 and 2400 series that were selling quite well at least until 3850 was launched.
Both cards are DisplayPort and HDMI capable but this depends on the board design.
Source
Expreview published a preview of the ATI Radeon HD 3670 256MB aka RV635.Performance wise this card is not very impressive over Radeon HD 2600 XT.
The test result shows RV635 have a limited performance improvement.In almost all test subjects the card only outperform HD 2600XT less than 10% present which could be due to driver itself.
Two month after RV670’s debuting, AMD brings us RV635. RV635 is only a shrink version of RV630, AMD didn’t do many changes in its architecture, just adding DirectX 10.1, Shader Model 4.1 and DisplayPort support. So RV635, or HD 3670 is only a half gen evolution of HD 2600XT.
From the roadmap of AMD, we can see HD 3600 family will take the place of HD 2600 series. The price will be about 100USD. User will ask how much is the improvement? Actually not much. The average improvement is about 3%. Let’s hope it is just a another Catalyst issue, and AMD will rise the actual performance of HD 3600 series by releasing a new version of Catalyst in the near future.
Below are some benchmark results (Courtesy:Expreview)
The site also tested the power consumption and noticed that both in idle and load,the HD 3670 comsumes more power than HD 2600 XT.
Madboxpc has managed to get their hands on what appears to be the full specifications of and accompanying pictures of the upcoming Radeon HD 3450, 3470 and 3670.
Starting with the HD 3450, in this instance it's a low profile card with a D-sub and DisplayPort connector, it has a core clock of 525MHz with the memory at 400 or 800MHz effectively, it has 256B of DDR2 memory and a 64-bit memory interface. Sadly the reference design incorporates a tiny fan cooler, but hopefully this won't appear on any retail cards.
The HD 3470 is a full size card, although this doesn't seem like it's a requirement, as most of the PCB is empty. What struck us straight away is that this card features CrossFire bridge connectors, while cards we've seen elsewhere don't. The core is clocked at around 600MHz with the memory at 500MHz or 1GHz effectively. These cards will use GDDR3 memory and will be available in 256 and 512MB verities, although still limited by a 64-bit memory interface. The reference card has a DVI, D-sub and TV-out connector.
All cards will use PCIe 2.0 and according to the information here the 3450 should retail for around US$50 with the HD 3470 costing $10 more at $60. Finally the HD 3650 should start at around $100. These cards should be available sometime towards the end of February according to Madboxpc.
You can find the pictures and the original story here.
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