ASUS K53E: Testing Dual-Core Sandy Bridgeby Jarred Walton on April 8, 2011 1:00 AM EST
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- Sandy Bridge
ASUS K53E Impressions and User Experience
Last week’s ASUS U41JF review is going to be the most interesting comparison to the K53E. Sure, that notebook only comes with a dual-core Arrandale i3-380M, but the 15% CPU overclock option, 83Wh battery, and GeForce GT 425M Optimus graphics give it a leg up on the competition. Yes, i5-2520M is going to be a faster CPU, but everywhere else I’d rate the U41JF as the superior laptop. Before we get to the benchmarks, though, let’s take a closer look at the K53E.
The exterior and interior colors are an interesting shade of brown—almost a coppery color in the right light, and at other times the notebook can appear black. The lid is a textured plastic, which means that in normal lighting fingerprints don’t show up quite so well. Unfortunately, it also means that you can't easily wipe it clean with a microfiber cloth, and flash photography often brings out the greasy prints hiding in the indentations. I still prefer the silver styling of the U41JF (and other ASUS laptops), but the K53E doesn’t look bad.
The 15.6”-screen chassis happens to be one of the least expensive laptop sizes these days. It’s large enough that manufacturers don’t have to work as hard at cooling or internal layout, but still small enough that they’re not wasting a lot of material. Unfortunately, our biggest complaint with the 15.6” LCDs floating around is that most are of the 1366x768 variety, and the K53E falls into that classification. We’d really like to see some better resolutions in 15.6” notebooks—even 1600x900 would be better than 1366x768—but then we’d also like to see LCDs that have a reasonable contrast ratio, maximum brightness, and color quality. In case you were wondering, the AU Optronics B156XW02 v6 panel used in this particular notebook has none of the good features we’re looking for and all of the bad. Yuck.
The keyboard is a traditional ASUS chiclet design, with the numeric keypad wedged in on the right. Like other notebooks, we’re not happy with the 10-key layout, mostly because the zero is half-size and the right cursor key overlaps the 10-key space. It’s not so egregious a flaw that we’ll spend a paragraph or two ripping on the layout, but there’s still room on the sides that ASUS could have used to give us a full 10-key with no compromises. Typing action outside of the 10-key is fine, and the dedicated navigation keys in the top-right (Home, End, PgUp, and PgDn) are certainly welcome.
Something we do like with the K53E is the touchpad. It’s big enough to be useful without being so huge that you accidentally brush it while typing (and as usual, you can configure the touchpad to detect keyboard use and go to “sleep” for a short interval after typing to mitigate that particular problem). The tracking surface is also a nice, smooth texture and there are—gasp!—dedicated left and right mouse buttons. Why can’t we get these on the U-series? The palm rest is a nice metallic brushed aluminum finish, and the touchpad is slightly inset and has a different texture to help you find it without looking.
Rounding out the package, the speakers are still a weak point—every time I fire up a game or play some music on Dell’s XPS 15 (the L502x now has Sandy Bridge CPU support; review is coming soon!), just about every other laptop sounds horrible in comparison. Another big gripe I have is with the position of the AC plug. It’s on the left side, but instead of being at the rear of the notebook (as is usually the case), it’s located in front of the exhaust port. When plugged in, the AC cord gets in the way of the Ethernet, HDMI, and USB port on that side—or you can snake the AC cable around back, in which case you’re partially blocking the exhaust port. It’s not a big enough problem that you can’t use the ports while plugged in, but it’s just a weird design decision, particularly when you consider that nearly every other laptop puts the AC connector at the far back of the chassis.
Looking at the whole, the K53E is a very reasonable notebook for the price. It’s not going to outperform quad-core SNB or gaming laptops, but it will run just about everything you might want with performance to spare. The price also puts it into competition with many inexpensive laptops, and it’s a major reason why we think AMD’s Brazos platform at $600 or more is a dead end. Even the i3-2310M will run circles around an E-350 (in both applications and games), so the only area where E-350 comes out ahead is battery life. With a better LCD (or at least a better resolution) and more connectivity options (e.g. USB 3 and eSATA), this could be an inexpensive desktop replacement for people that don’t need maximum CPU and/or GPU performance. With the current design, the K53E is a decent mainstream offering that boosts performance and battery life compared to the previous Arrandale offerings.
Is that enough to warrant spending $100-$200 more compared to AMD Athlon/Brazos/Turion laptops—or Intel’s older Pentium and Core i3 systems? When you factor in the performance and build quality, I’d actually say that the $720 K53E-B1 is going to be a better all-around notebook than most of the $400-$500 laptops you can currently find at places like Best Buy. But then, I’d be far more likely to save up the remaining $80 to get a better GPU, like in the ASUS U41JF, or wait another month or two and see what AMD’s Llano APU can do for budget laptops. If you’re chasing lowest cost, small size, and battery life as your primary considerations, it’s difficult to beat HP’s dm1z, but as soon as you start customizing and approaching $600 (i.e. the Sony and MSI Brazos E-350 laptops), you have to look at the whole market and not just focus on netbooks.
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DanNeely - Monday, April 11, 2011 - linkLlano's IGP have the potential to be moderately faster than the current entry level mobile IGPs. On paper it's the equivalent to a 6630-6730M. Having to share the DDR3 memory with the CPU will probably hold it back somewhat, but it very much has the potential to a viable part for light gaming systems.
mino - Tuesday, April 12, 2011 - link"to be moderately faster than the current entry level mobile IGPs"
Is that a joke or what ?
Llano has the potential to challenge the mid-range mobile GPU market with even its cheapest version running circles around any other IGP/APU around.
kevlno3 - Saturday, July 30, 2011 - linkPls dont comments when you not read review. Mino , i 100% support you. Llano is the IGP is same speed as HD5650 ,HD6550 or even HD6630. it's not HD5470 or even HD3000 can be compare.
it's totally complete solution for value of money best buy. but Intel keep creat the high benchmark score to blur the consumer . try to make people feel regret if you pay such money to buy the low end Llano. in fact , i was totally disappointed with Intel. Core i3 2310 can't perform well. i even felt lag when i play in war craft 3 frozen throne in battlenet during 3 vs 3. i can't find my pointer. it's normally lag will make u have this problem.
biostud - Friday, April 8, 2011 - linkboth s and b models :)
jonup - Friday, April 8, 2011 - linkJust from curiosity, does dropping from dual channel to single channel have any significant effect on the performance of the modern laptops/desktops? Many manufactures have been shipping their laptops with odd RAM capacities 3GB/6GB, which has been a turnoff for me, but it appears to be a good marketing gimmick for those who have no clue.
Thank for the nice laptop reviews you guys put out there!
IntelUser2000 - Friday, April 8, 2011 - linkThe manufacturers I think bundle the smaller capacity DIMM for free so sell that and get a matching stick from NCIX or something.
The way the asynchronous dual channel(Intel Flex Memory) works is only half of the greater capacity DIMM is transferring data simultaneously with the smaller DIMM.
4GB + 2GB
4GB stick: 2GB Dual channel + 2GB Single channel
2GB stick: This is doubled up with half of the 4GB stick
So in theory your max bandwidth is like 1.5 channels. Measured bandwidth is between single and dual channel too, but the complexity of splitting the greater capacity puts performance closer to a single channel in some applications.
mino - Tuesday, April 12, 2011 - linkIt does not work that way. In any mixed config the IMC falls back to a single-channel-like operating mode.
JarredWalton - Tuesday, April 12, 2011 - linkIt would be nice if you at least tried to do some research before making completely false statements. Flex memory works exactly as IU2k describes, with basic details here:
Pretty much every Intel CPU/chipset since the P45/X38 has supported flex memory. All you have to do is check ARK:
Quote: "Intel Flex Memory Technology -- Facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode." Don't confuse limitations of older chipsets and AMD's (older) IMC with current implementations.
silverblue - Friday, April 8, 2011 - link...that Brazos isn't clocked higher nor operates on a dual channel memory bus. It would be amusing to expect a 500MHz GPU sporting a bandwidth limitation with a mobile part which is 650MHz and, with Turbo, 1.3GHz, and utilises a dual-channel bus, and that's well before we factor CPU performance into things.
For what it does, Brazos is excellent, but people really shouldn't think of it as competition for Sandy Bridge. It's really not meant to be anywhere near close to it in terms of performance or price, and it's a shame that some manufacturers seem to have forgotten that. Unfortunately, as said before, Brazos machines may encroach on CULV territory...
IntelUser2000 - Friday, April 8, 2011 - linkAn error and few points I'd like to make:
"Even the U41JF can’t match the K53E for efficiency, despite underclocking the i3-380M to 700-900MHz (instead of the normal 933-1200MHz) and having a smaller 14” LCD."
i3-380M is a 2.53GHz part. Why are you testing an underclocked version on the battery life test again?
"What really impresses me is that you can get similar battery life (in light workloads) with either the dual-core or quad-core SND parts,"
Huh. Equalizing to battery capacity:
Idle: 7.66(6.63) +15.5%
Internet: 6.43(5.86) +9.7%
H.264 playback: 4.77(3.66) +30.3%
10-15% increase in battery life is not identical. Also, the screen on the QC system is larger, but sports a more efficient SSD drive. If the Hurry up and Get Idle works well, it would be better on the QC thanks to the SSD.
"Ah, but the E-350 has a much better IGP, right?"
I'm not sure whether that's a question or a statement. While the E-350 has a HD5450/5470 core, its severely bottlenecked by memory subsystem, in addition to having it share with the GPU, before the CPU differences.
"The result is better battery life, but compared to Arrandale it’s not a huge change in two of our tests."
Idle: 7.66(6.64) +15.3%
Internet: 6.43(5.29) +21.6%
H.264 playback: 4.77(3.07) +55.3%
While Idle and Internet battery life isn't big as H.264, 15-20% battery isn't something minor. In fact, if you look back to Core 2 vs Core Duo and Penryn vs Merom comparisons, the battery gains are equal to 2x for the ones back then.
Overall I think the DC Sandy Bridge is being underrated on the review. The asynchronous RAM is a bit of a sore to look at too. Last benchmark I put the bandwidth figure at somewhere between single and dual channel, and Intel documents indicate increased latency when transferring between sticks.