Intel Core 2 CULV Roundup: Who Needs Atom?
by Jarred Walton on February 4, 2010 4:00 AM ESTCULV: Great for Mobility
If we just limit ourselves to a discussion of long(er) battery life laptops and netbooks, the rundown simplifies a lot. Your choices are between Atom and CULV, with better battery life and lower performance on the Atom side. NVIDIA's ION platform offers better graphics and video support, but you're still saddled with a slow Atom CPU. Pricing is closer to $500 on most ION netbooks, and opinions on the size are split between those who feel 10.1" is fine and those that feel it's too small - I'm in the latter camp. Battery life, incidentally, is slightly worse with ION than CULV laptops. As an alternative, the ASUS 1201N goes for dual-core Atom 330 and ION, further reducing battery life but improving the form factor if you're not a fan of 10.1" keyboards. CULV is still faster in non-gaming tasks, but gaming and video playback work quite well on the 1201N. CULV is a great way to balance performance, battery life, and cost while keeping a small size. Given the choice, we'd either go with one of the CULV models or we'd move up to CULV with switchable graphics; Atom remains more of a secondary (or tertiary) computer. Sure they cost more, but we feel the cost is justified.
Which is the "best" of the above options we just listed? Honestly, that's a question you need to answer for yourself, and hopefully we've given you enough data to determine where you stand. Right now, I'm going to recommend CULV for most users looking at a decent laptop, simply because it fits my mobile lifestyle. If I were in need of a new laptop and only had $300, I'd skip Atom and save my pennies until I could afford a CULV laptop instead. They may be almost twice the cost, but in my book they're more than twice as good. With CULV I feel I can do everything I need without serious compromises; Atom is just too slow to be my only PC. We're very curious to see if the new Arrandale CULV offerings can improve on current CULV or if they'll be a case of two steps forward, two steps back. We should know some time in the next month or two.
We looked at three CULV laptops today, and unfortunately we had some fundamental complaints with both of the 11.6" units. We didn't like the Acer AS1810T keyboard much, and the Dell 11z touchpad was, in a word, horrible. There's another option that we can recommend for those that want to stay close to netbook sizes: the ASUS UL20a. The chassis is essentially the same as the 1201N, which we liked quite a lot, with battery life listed at 7.5 hours. It includes an SU7300 CPU, but memory is cut to just 2GB compared to 4GB on competing offerings. Still, 12.1" is close enough to 11.6" that few would complain. The only remaining drawback is that you lose HDMI output, which the Dell 11z, Acer Timeline, and Gateway EC5409u all provide. Overall, we feel the best current CULV designs priced at $600 or less all come from Acer and Gateway.
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The Gateway EC5409u is an excellent choice if you like the larger keyboard and LCD, and subjectively it's my favorite of the bunch. The Acer Timeline 3810TZ and 4810TZ are close behind, with keyboards that are fine for typing (but unfortunately no aluminum cover unless you buy one of the more expensive models). We've tested the EC5409u, and we've looked at the Timeline 3810, 4810, and 5810 at local stores. Frankly, we're impressed with what Acer and Gateway have put together, and we're happy to award all four models our Bronze Editors' Choice award. The 11.6" Acer and Gateway models have quirks (specifically, the keyboard), but the 13.3", 14.0", and 15.6" offerings are all very good and worth a serious look. The only caveat is that we only recommend the versions with dual-core CPUs, so make sure you order the right model - the Pentium SU4100 or Core 2 Duo SU7300 are both much better than the Pentium SU2700 or Core 2 Solo SU3500.
Why only a bronze? Because there's still room for improvement; think of this as an "A-" award rather than an "A+" - and if you're keeping score, that means the ASUS UL80Vt is still our preferred solution. Give us a better LCD panel and more of the aluminum shell on the EC5409u and we're looking at a Gold award. Now we just need to wait and see what companies can do with Arrandale CULV. It took a couple years for Core 2 CULV to hit its stride, but hopefully the Arrandale laptops will build on the good (low price and great battery life) rather than returning to the CULV of old (underpowered and overpriced).
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tno - Friday, February 5, 2010 - link
Jarred,Again, I am not writing to instill any ill will. But technical content is only half of the product. Grammar and style are not mutually exclusive, and the proof of this is the use of style guides like the MLA, or Strunk and White, or even that of fellow online publication Engadget. These guides do more than just tell you where to use a comma; they seek to elevate and standardize the quality of writing for a publication.
Now I am all for introducing personal style to an article. And I am always impressed with the technical fidelity and content of AT writing. AT articles are more than just spec sheets and test results; they are pieces of writing. Arguing that omission of the preposition connecting two nouns is a matter of style is ignoring proper grammar with no gain. It is inexcusable for the writing component of any AT articles to be neglected, even if the technical content is of a high caliber.
Again, I am not trying to cause you any grief, nor imply that your writing is insufficient for inclusion on AT. I am simply pointing out that a small amount of editing and proofreading could go along way to improve all of AT's coverage.
I believe that this discussion has probably moved beyond the scope of the comments section and invite you to look-up my email through the forums if you would like to continue discussing this.
tno
JarredWalton - Friday, February 5, 2010 - link
Sadly (I suppose) I'm usually the one doing editing of other articles. It's much more difficult to edit your own content, especially after you've been over it ten times in the process of writing.But seriously, I find it astonishing that out of all the articles written on AnandTech and all the mistakes present in said articles, you would choose to complain about something so innocuous as "A couple years back" vs. "A couple of years back". We could also rephrase it "Just over two years ago" and it would be correct. I suppose http://www.thefreedictionary.com/couple">I'm in the minority when dropping the "of", though again I prefer to stick with informal styles for the most part.
At least we're not having a discussion about my use of "everything but" vs. "everything except"... or was that you as well? LOL
aapocketz - Thursday, February 4, 2010 - link
Back when the macbook Air came out these CULV processor laptops were $2000+, now they have dropped in price and could cannibalize high end netbooks. They are even being confused with netbooks now; consider the new Alienware m11x keeps being called a netbook, even though it uses a CULV.I have had similar thoughts, and almost purchased a Thinkpad x301 recently for under $800. The only reason I held back was I know these CULV chips are a couple years old now, and there are new I5 and I7 chips coming out soon, forcing prices down even further. When the Core2 CULV ultralights are sub $500, why buy these (bloated) netbooks for similar price? Netbooks originally were supposed to be around $200 or less though.
Also these ultralights have a few more little perks than the netbooks have, like backlit keys (or a "thinklight") - there is not a single netbook with a backlit keyboard.
Shadowmaster625 - Thursday, February 4, 2010 - link
Why dont you compare the $400 CULV notebooks with the netbooks, since that is the direct competition? Also there should be a Sempron M100 in here somewhere.macs - Thursday, February 4, 2010 - link
What about arrandale ULV? Asus UL30JT is coming soon and he brings core I7-620 ULV and NVIDIA 310M GPU. Should be great!I want something better than my atom netbook, maybe with a 11.6" screen but I want to wait those new Nehalem ULV...
Visual - Thursday, February 4, 2010 - link
I would love to see also the Acer 1420P / 1820P variants - no need to explore their tablet functionality in this comparison as it is off-topic, but do compare their keyboards, build quality and especially screen quality to the other non-touchscreen options. I've always wondered if touchscreen panels have a noticeably different visual quality.Also, if I understand correctly all these "current" CULVs are old Core 2/Penryn based, and as such are already old tech despite being launched in the products that you view only very recently. Shouldn't they get replaced with new Nehalem-generation 32nm processors any time soon? Or am I misunderstanding something?
Intel's code names and roadmaps are making my head hurt right now, so I'd really like to know your say on the matter - is there something in the same segment that is worth waiting for on the horizon?
QuietOC - Thursday, February 4, 2010 - link
The CULVs are all "old" 45nm Penyrn-3M/Wolfdale-3M 82 mm² dies--same core as the desktop E3x0 Celerons, E5x0/E6x0 Pentium Dual Cores, and E7x0 Core 2 Duos. The significant difference is that the CULV SpeedStep goes down to a 4x CPU multiplier during idle, my desktop Wolfdale-3Ms only go down to 6x. The Atom N270 also only goes down to a 6x multiplier.JarredWalton - Thursday, February 4, 2010 - link
Arrandale ULV parts have been announced, but nothing has shipped yet. I'm hoping to get one some time in the next month or two. One thing with the Arrandale ULVs is that they have a TDP of 18W compared to 10W. Obviously part of that is the integration of the new IGP, but there's definitely a question of how low their idle power draw can go. I suspect the initial Arrandale ULV parts will use slightly more power than the current Penryn parts.Performance is the other question we'll need to answer. Price wise, the newer Arrandale ULV chips run at a stock speed that's slightly lower than SU4100/SU7300 (1.06GHz and 1.20GHz for the http://www.anandtech.com/mobile/showdoc.aspx?i=370...">latest chips), and they also cost quite a bit more than SU4100. But yes, I am very interested to get some new ULV parts for review.
GTaudiophile - Thursday, February 4, 2010 - link
Anand,Out of curiosity, why not compare with the AMD Turion / Neo / X2 processors by chance?
OMG Snarf - Thursday, February 4, 2010 - link
I've got to agree with this. For the price point of the systems being benched, you can pick up an Athlon Neo X2 for $500, or a Turion Neo X2 for $600, direct from Toshiba with no shipping. Obviously the battery life won't be as good compared to the Intel CULVs, but I would be curious to see how the 12cell stacks up too. With the added $150 cost of the battery, you hit the same costs as the Intel CULV systems ($650), but get a Radeon 3200 instead of the anemic Intel 4500.