Friday, October 31, 2014


iPad Air 2 vs Nexus 9

In depth Apple's flagship tablet versus Google's. Who wins?


iPad Air 2 vs Nexus 9
The two big boys of the tablet world go head to head
It's been a busy few weeks for tablet fans with Apple launching its new iPad Air 2 two weeks ago, and the HTC Google Nexus 9 going on sale before Christmas.
Both tablets represent the pinnacle of their respective manufacturers' mobile technology, and with both launching so closely together, the fight for your wallet has never been more fierce.
For once, the Nexus 9 isn't a tablet that's kind on the wallet, coming in at a price that's not far off Apple's. That said, it's packing some similar technology and promises a very powerful screen experience coupled with a next-gen processor under the hood.

iPad Air 2 vs Nexus 9
The iPad Air has already got a glowing review from us
The iPad Air 2 is already off to a great start (as our glowing 5 star review will attest), but does that mean the Nexus 9 is out of the running before it's even been released? Let's find out...
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ipad air 2 system sepfication(source:-gsmarena.com)


General 2G Network GSM 850 / 900 / 1800 / 1900
  CDMA 800 / 1900
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100
  CDMA2000 1xEV-DO
4G Network LTE 700/800/850/900/1800/1900/2100/2600
TD-LTE 1900/2300/2500/2600
(1/2/3/4/5/7/8/13/17/18/19/20/25/26/28/29/38/39/40/41) - A1567
SIM Nano-SIM/ Apple SIM (US & UK)
Announced 2014, October
Status Available. Released 2014, October
Body Dimensions 240 x 169.5 x 6.1 mm (9.45 x 6.67 x 0.24 in)
Weight 437 g (Wi-Fi) / 444 g (3G/LTE) (15.41 oz)
 - Fingerprint sensor (Touch ID)
Display Type LED-backlit IPS LCD, capacitive touchscreen, 16M colors
Size 1536 x 2048 pixels, 9.7 inches (~264 ppi pixel density)
Multitouch Yes
Protection Scratch-resistant glass, oleophobic coating
Sound Alert types N/A
Loudspeaker Yes, with stereo speakers
3.5mm jack Yes
Memory Card slot No
Internal 16/64/128 GB, 2 GB RAM
Data GPRS Yes
EDGE Yes
Speed DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 150 Mbps; EV-DO Rev. A, up to 3.1 Mbps
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
Bluetooth v4.0, A2DP, EDR
USB v2.0
Camera Primary 8 MP, 3264 x 2448 pixels, autofocus
Features 1.12µm pixel size, geo-tagging, touch focus, face/smile detection, HDR (photo/panorama)
Video 1080p@30fps, 720p@120fps, HDR, stereo sound rec.
Secondary 1.2 MP, 720p@30fps, face detection, HDR, FaceTime over Wi-Fi or Cellular
Features OS iOS 8.1
Chipset Apple A8X
CPU Triple-core 1.5 GHz
Sensors Accelerometer, gyro, compass, barometer
Messaging iMessage, Email, Push Email, IM
Browser HTML5 (Safari)
Radio No
GPS Yes, with A-GPS, GLONASS
Java No
Colors Space Gray, Silver, Gold
 - Active noise cancellation with dedicated mic
- Siri natural language commands and dictation
- iCloud cloud service
- iCloud Keychain
- TV-out
- Maps
- Audio/video player/editor
- Organizer
- Document viewer/editor
- Photo viewer/editor
- Voice memo/dial/command
- Predictive text input
Battery   Non-removable Li-Po battery (27.3 Wh)
Stand-by
Talk time Up to 10 h (multimedia)



HTC google Nexus 9 system sepfication(source:-gsmarena.com)


General 2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE
SIM Yes
Announced 2014, October
Status Coming soon. Exp. release 2014, November
Body Dimensions 228.2 x 153.7 x 7.9 mm (8.98 x 6.05 x 0.31 in)
Weight 425 g (Wi-Fi) / 436 g (3G/LTE) (14.99 oz)
Display Type IPS LCD capacitive touchscreen, 16M colors
Size 1536 x 2048 pixels, 8.9 inches (~281 ppi pixel density)
Multitouch Yes
Protection Corning Gorilla Glass 3
Sound Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes, with stereo speakers
3.5mm jack Yes
Memory Card slot No
Internal 16/32 GB, 2 GB RAM
Data GPRS Yes
EDGE Yes
Speed HSDPA, HSUPA, LTE
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
Bluetooth v4.1, A2DP, apt-X
NFC Yes
USB microUSB v2.0
Camera Primary 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Features Geo-tagging, touch focus, face detection
Video 1080p@30fps, stereo sound rec.
Secondary 1.6 MP, 720p
Features OS Android OS, v5.0 (Lollipop)
Chipset Nvidia Tegra K1
CPU Dual-core 2.3 GHz Denver
GPU Kepler DX1
Sensors Accelerometer, gyro, proximity, compass
Messaging SMS(threaded view), MMS, Email, Push Mail, IM
Browser HTML5
Radio No
GPS Yes, with A-GPS, GLONASS
Java Yes, via Java MIDP emulator
Colors Indigo Black, Lunar White, Sand
 - DivX/MP4/H.265 player
- MP3/WAV/eAAC+/Flac player
- Photo/video editor
- Document viewer
- Voice memo/dial
Battery   Non-removable Li-Po 6700 mAh battery
Stand-by (2G) / Up to 720 h (3G)
Talk time (2G) / Up to 9 h 30 min (multimedia) (3G)


Design

The Apple iPad Air 2 is just 6.1mm thick – 18% thinner than the already impressively thin iPad Air.

iPad Air 2 vs Nexus 9
This makes it one of the thinnest tablets on the market today. One of the ways Apple has managed to make the iPad Air 2 so thin is by removing the air gaps between the different layers when building the screen.
HTC, the manufacturer with whom Google is working to build the Nexus 9, has also got a few tricks up its sleeve to keep its new tablet as slim as possible. Known as 'zero gap aluminium construction', the idea is to make the Nexus 9 look like it's been carved out of a single sheet of metal.

Nexus 9
Not only does this give the Nexus 9 a premium feel, but it also helps keep the thickness down to just 7.9mm - pretty thin, but not quite as svelte as the iPad Air 2.

Nexus 9
For the first time in one of its tablets, Apple has included its Touch ID sensor with the iPad Air 2, which also doubles as the home button. This lets you unlock the tablet with just your fingerprint, a security feature that the Nexus 9 doesn't have.

Screen

While some people may have been disappointed with Apple's decision to keep the resolution of the iPad Air 2 the same as the original iPad Air, that doesn't mean the screen is a slouch in the looks department.
The 9.7-inch Retina display has a 2,048 x 1,536 resolution with a pixel density of 264ppi (pixels per inch).
In contrast, the Nexus 9 features a smaller 8.9-inch IPS LCD screen with an iPad Air 2-matching 2,048 x 1,536. Because it fits the same resolution into a smaller screen, the Nexus 9 has a higher pixel density of 287ppi.

Nexus 9
Both the Nexus 9 and the iPad Air 2's screens have 4:3 aspect ratios, which are shorter than other competing tablets.
The higher the pixel density the crisper the image, so on paper it looks like the Nexus 9 has the advantage. That doesn't mean it's a complete wash, though, with Apple's design choices paying dividends when it comes to image quality.
The iPad Air 2's resolution is the same as the iPad Air (and the Nexus 9), but Apple has included a number of new technologies. Removing the air between the layers of the screen doesn't just make the iPad Air 2 incredibly thin, it also helps the screen benefit from deeper blacks and more vibrant colours, especially compared to the Nexus 9.

iPad Air 2 vs Nexus 9
The iPad Air 2's screen is easier to use in certain light
The new process also means the screen is less reflective, which helps viewing the screen in certain light conditions.

Camera

The iPad Air 2 saw a number of improvements to both its front-facing and rear-facing cameras. The front-facing Facetime HD camera has had its resolution bumped up to 1.5MP, while the rear iSight camera is now 8MP with an f/2.4 aperture


iPad Air 2 vs Nexus 9
It can record 1080p video with digital stabilisation and comes with a number of features such as burst mode, timelapse and slo-mo mode.
The sensor in the iPad Air 2 is also new, and performs better in low light conditions as well as improving the overall image quality of your snaps.
The Nexus 9's camera has also seen improvements compared to its predecessor, the Nexus 7. It comes with an 8MP rear camera and a 1.6MP front-facing snapper.

iPad Air 2 vs Nexus 9
The Nexus 9's camera is better on paper...
Once again the Nexus 9 appears to come out on top when comparing specs on paper, yet Apple's behind the scenes tweaking keeps the iPad Air 2 competitive.

Battery

Apple hasn't officially released details of the iPad Air 2's battery but its battery life of 10 hours web browsing matches that of the original iPad Air. Considering that the iPad Air 2 has a thinner body than its predecessor (which could necessitate a smaller battery), the fact that there's no impact on battery life is commendable.

iPad Air 2 vs Nexus 9
Enjoy 10 hours of web browsing with the iPad Air 2
In our review of the iPad Air 2 we found that running a full HD 90-minute video at full screen brightness dropped the iPad Air 2's battery by 21%.
In standby, the battery dropped just 2% over a few hours, showing that Apple has worked hard to make sure apps don't drain the tablet's battery when not in use.
While we don't know the exact capacity of the iPad Air 2 at the moment, the original iPad Air's battery had a capacity of 8,826 mAh, and we're guessing the iPad Air 2 will have something around that ballpark.
We haven't had a chance to run our battery benchmarks on the Nexus 9, but luckily HTC has been more forthcoming about the details of the battery found in its latest tablet.

iPad Air 2 vs Nexus 9
The Nexus 9 has enjoyed a drastic improvement in its battery
It comes with a 6,700 mAh battery, a drastic increase over the 3,950 mAh found in the Nexus 7, though quite a bit lower than the original iPad Air's battery capacity. According to Google this will provide the Nexus 9 with 9.5 hours of battery life.

CPU/RAM

With the iPad Air 2, Apple has returned to creating customised versions of the processors found in its latest iPhones. The iPhone 6 and iPhone 6 Plus come with the A8 processor, and the iPad Air 2 comes with a custom A8X processor.
Apple says it delivers up to 40% better CPU performance, and up to 2.5 times the GPU performance of the A7 processor found in the original iPad Air.

iPad Air 2 vs Nexus 9
There's a 40% better CPU performance with the iPad Air 2
Apple has been typically quiet on the specifics of the A8X processor, though we do know that it is 64-bit. Recent benchmarks have given us a few more details about Apple's processor including the fact that it appears to have three cores that run at 1.5GHz.
Apple never discloses how much RAM its devices are using, though we do know that the iPad Air (along with the iPhone 6 and iPhone 6 Plus) all come with 1GB, which is rather small for modern tablets.
We were expecting the iPad Air 2 to come with a similar amount, so it was a nice surprise when the same benchmarks revealed that it actually comes with 2GB of RAM.
The CPU in the Nexus 9 is the very powerful Nvidia K1. This 64-bit chipset is particularly good at graphical performance and it makes Android 5.0 Lollipop run fast and smooth. The Nvidia K1 is dual core, which is one less core than the iPad Air 2, but clocked at a faster 2.3GHz. Like the iPad Air 2, the Nexus 9 comes with 2GB of RAM.


iPad Air 2 vs Nexus 9

Price

The iPad Air 2 is a flagship product with a flagship price to match. The cheapest model you can get is for the 16GB Wi-Fi version for £399 ($499, AU$598), rising by £80 ($100, AU$100) for 64GB and the same again for 128GB. If you want the cellular model that starts at £499 ($629, AU$749), once again the increments are an extra £80 ($100, AU$100) to 64GB and then again to 128GB.

nexus 9 ipad air 2
iPad's flagship tablet has a flagship price to match
The Nexus 9 will cost £319 ($399, around AU$449) for the 16GB Wi-Fi version with the 32GB Wi-Fi version setting you back £399 ($479, around AU$539). A cellular 32GB version is also planned for £459 ($599, around AU$673).
Unlike some Android tablets you won't be able to expand the internal memory of the Nexus 9 with a microSD card, so if you want more storage space, then you're going to have to go for the more expensive version. A very Apple-like decision.

iPad Air 2 vs Nexus 9
If you want more storage on the Nexus 9, you'll have to pay for it

Early verdict

The Nexus 9 is an Android tablet with its clear goal as a flagship tablet to rival the iPad Air 2 - and if not, be the tablet that inspires the next line of iPad 'killers' from the Android army.
The Nexus 9 is due to launch at the beginning of November, and you can head to our review to see our in-depth findings. However on paper its specs compare very well with Apple's tablet, and in some cases surpass it.
But specs aren't everything, and Apple has worked hard to give the iPad Air 2 some seriously impressive features. Apple's expertise in both hardware and software makes the iPad Air 2 a formidable opponent.
The Nexus 9 might not quite be able to topple the iPad Air 2 from its position as the best tablet money can buy, but it's an excellent Android alternative to Apple's flagship device.



source:-iPad Air 2 vs Nexus 9