Quantitatively, the numbers show a marked increase in both the Windows Experience Index and the HD Tune results, seen below. Qualitatively, the difference is amazing. My computer boots from a cold start to a working desktop in under 20 seconds, and it takes mere seconds to install a program like Firefox. It almost feels like I have a whole new computer. Certainly worth the ~$230 for the 80 gigabyte drive.

WEI with SSD - 7.7 for HDD

WEI without SSD - 4.6 for HDD

HD Tune with SSD

HD Tune without SSD

I took advantage of the deal I mentioned in my last post and picked up a Dell Latitude XT2 Tablet PC. I have always liked Tablets, ever since I began programing an e-Textbook program on an HP TC1000, which was a great tablet but a bit small and slow. Last year I took advantage of a similar deal to purchase a Latitude XT, but it was quickly annexed by my significant other, which left me using my old Fujitsu s2110, which wasn’t the fasted machine when I bought it 3.5 years ago, though still a great laptop.

Fast forward to today – I now have a Latitude XT2 with Windows 7 Beta installed. The Latitude XT line is one of only two Tablet PC models that have a multi-touch capacitive screen, which Microsoft is integrating tightly into Windows 7. You can have a look at a demo here (notice that they use a Latitude XT). In this review, I will be analyzing my new Latitude XT2 and comparing it with the Latitude XT to determine if it is worth the upgrade. Keep reading for benchmarks, pictures, and thoughts on both the machine and Windows 7.

Specs

Here are the specs:

• 12.1 inch, WXGA LED display
• Intel Core 2 Duo Processor SU9400 (1.40GHz, 3M L2 Cache, 800MHz FSB)
• 120 GB SATA Hard Drive (5400 RPM)
• Mobile Intel Graphics Media Accelerator 4500MHD
• 3 GB DDR3 SDRAM 1066MHz (2 DIMMs)
• Intel WiFi Link 5300 802.11a/g/n Draft Mini Card
• Dell Wireless 365 Bluetooth Module
• 6 Cell Primary Battery
• Fingerprint reader
• Windoes 7 Beta (came with Vista Ultimate)
• Weight: 3.78 lbs

I ordered refurbished, and my computer didn’t come with an external DVD-ROM drive. As I already have a rarely used external DVD-RW drive from my XT, I wasn’t too concerned. I was a little disappointed not to even receive a restore disk (the restoration information is a 2GB partition), but as I’m moving on to Windows 7 anyway, it didn’t bother me too much.

What came in my box

Overview and Body

I used Vista for a few days before installing Windows 7 instead. Vista SP2 isn’t really that bad, but Windows 7 is more lightweight and battery friendly, two things I have noticed since the trasition. While using the beta, I had occassional issues with the mouse pointer and aero graphics, which I’m assuming are an issue with the Vista driver on Windows 7. Since installing the Release Candidate, I have seen those issues.

The feel of the XT2 is quite nice. It is very light, even lighter than the XT. It feels quite solid as well – I would have preferred aluminum, but the magnesium composite is fine. The dimentions are almost the same as the XT, though there is an overhang at the top of the screen which makes it easier to open. Unfortunately, there are only 3 quick access buttons on the XT2, as opposed to 4 on the XT.

Comparisons between the XT and XT2. As you can see, they are almost the exact same size.

I purchased the LED screen rather than the daylight view, and I’m quite happy with it. The screen is bright and vibrant, and viewing angles are quite good. The selection of ports is very nice, with the following:

• 1 Standard USB
• 1 Powered USB
• 1 USB/eSATA
• 1 4-pin Firewire 400
• Gigabit ethernet (10/100/1000)
• SD card reader
• Expresscard 54mm
• Headphone & microphone jacks
• VGA out

Certainly a respectable number of ports. Once prices come down, I may purchase an Expresscard SSD and run my main hard drive off of that.

Noise, Heat, and Battery Life

My Latitude XT2 exhibits a slight hum when operating. It isn’t really noticable in an office or home with background noise, but in a quiet room it certainly can be heard. I’ve identified the hard drive as the culprit, but for now, it isn’t problematic enough for me to send in. I’ve also noticed the occasional high-pitched noise when on battery power, though this is a known Intel problem.

The fan rarely comes on, and when it does it is very quiet. The XT2 can get a little warm underneath, but nothing that you can cook an egg on.

I haven’t done a strict test of battery life, but I got just over 3 hours with regular use (documents, web browsing) on Vista on 50% brightness. Since moving to Windows 7, I can get about 3.5 hours with typical use at 50% brightness. 50% brightness is still perfectly usable – in fact, I usually only operate at about 70% brightness even on AC power.

Tablet Operation

The Latitude XT2 is a joy to use as a tablet. The capacitive touchscreen is very finger friendly, and Windows 7 gestures work well. The pen is easy to grab and quite accurate. I have noticed one area at the bottom of the screen where the pen occasionally skips, but it isn’t enough of a problem to send in. I wish the XT2 had 4 shortcut buttons rather than 3 (a strange change from the XT), but it isn’t a huge concern.

Benchmarks

The Latitude XT was often cited as being too slow, thanks to the ULV Intel processor and PATA hard drive. My XT has a 1200 MHz Core 2 Duo and 5400 RPM hard drive, but even with those, I found it to be a little slower than I’d like, though still quite usable.

Thankfully, the Latitude XT2 is a step up in speed. With the new Centrino 2 chipset, 1400 MHz Core 2 Duo processor, DDR3 RAM, and a 5400 RPM SATA hard drive, I’ve found the XT2 to be noticeably faster than the XT. I’ve run several benchmarks that seem to confirm the XT2′s superiority in just about every area.

Windows Experience Index

WEI is not the best measure of performance, but it is a good starting point.

WEI scores: Processor - 4.4, Memory - 4.9, Graphics - 3.2, Gaming - 4.9, Hard Disk - 4.6

I was suprised at first to find that graphics and gaming graphics had such a disparity, but a quick Google search showed that this could be a bug with Windows. I never meant for the XT2 to be my primary gaming machine (I have a desktop for that), but I’m quite pleased with the scores I recieved. The RAM score of 4.9 is excellent, and the main difference between the XT2 and the XT (which had a 4.1).

PC Mark 05

PC Mark is a staple of computer benchmarking, and I took the XT for a spin, with the following results:

3090 PCMarks

Not an amazing score, but certainly respectable. The Latitude XT scored 2,692, about 400 points less than the XT2.

3D Mark 06

Another benchmarking staple, I hoped to get more information about the differing WEI graphics scores from this test.

614 3DMarks

614 3DMarks is hardly groundbreaking, but following the pattern it is an improvement over the Latitude XT’s score of 445. As this is a new chipset, the graphics performance will hopefully improve with new drivers. Still, Aero is fine, and as I’m not doing serious gaming on this machine, I’m happy with the scores. I was able to play .h264 720p video using VLC without a problem.

HD Tune

Rates (in MB/sec): Min - 13.1, Max - 41.3, Ave - 31.9, Burst - 70.7, Access Time - 21.3ms

Decent scores, and an improvement over the Latitude XT’s scores, particularly in burst (51.8) and Max Rate (36.7).

Super Pi

Two million calculations took 1 minute and 16 seconds, which is a huge improvement over the Latitude XT’s 1 minute and 47 seconds, and puts the XT2 in company with the 1.6 GHz Core 2 Duo processor on the Lenovo ThinkPad X61.

Final Thoughts

The Latitude XT2 doesn’t blow the XT out of the water, but it improves on it in almost every area, and is noticably faster. With a refurbished XT2 going for $300 more than a similary speced Latitude XT however, it could be a tough call. For me, personally, I think the added speed was worth it, but either one is a great machine.