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Specs revealed for MediaTek's 10-core MT6797 Helio X20 chip

Posted: , by Alan F.

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Specs revealed for MediaTek's 10-core MT6797 Helio X20 chip
Last week, we told you about MediaTek's new Helio X20, a 10-core chip. Today, some new information about the MT6797 10-core chip was revealed from a series of leaked slides. The images show that the MT6797 will include a pair of 2.5GHz Cortex-A72 cores, four 2.0GHz Cortex-A53 cores, and four 1.4GHz Cortex-A53 cores. Another slide confirms earlier talk that the chip scored above 70,000 on the AnTuTu Benchmark site.

The MT6797 will reportedly offer a 40% boost in performance when compared to the prior Helio X10 chips put out by MediaTek. That includes the MT6795 which is found inside the recently unveiled HTC One M9 Plus.

The MT6797 will employ MediaTek's Tri-Cluster CPU Architecture. The 4+4 A53 cores will use the big.LITTLE architecture to provide a balance of power and efficient battery use. The chip will be produced using TSMC's 20nm process and does support LTE-A/Cat. 6. The latter provides data speed as fast as 300Mbps.

Mass production of the MT6797 is expected to begin in July, which means it could be the end of the year before manufacturers start using the chip inside new smartphones. The big question is whether MediaTek can break into the U.S. market and provide a real challenge to Qualcomm.

source: Weibo via GizmoChina

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posted on 21 Apr 2015, 00:32

1. Captain_Doug (Posts: 1035; Member since: 10 Feb 2012)


posted on 21 Apr 2015, 00:35 6

2. fzacek (Posts: 2486; Member since: 26 Jan 2014)

I don't really get why it's big.LITTLE.littler...

posted on 21 Apr 2015, 00:55

3. judik971 (Posts: 76; Member since: 26 Sep 2013)

you're not alone

posted on 21 Apr 2015, 01:10 5

8. techperson211 (Posts: 1280; Member since: 27 Feb 2014)

Same here the terminology they're using is so confusing. Mediatek is just focusing on number of cores yet in functionality they're behind. Hopefully snapdragon stopped at 8 cores and focus on improving heat problems, battery saving features and more useful innovations.

posted on 21 Apr 2015, 01:14 3

9. vincelongman (Posts: 5068; Member since: 10 Feb 2013)

I can kind of understand big.LITTLE
4+4 or 2+4
The big cores for short high performance
Small cores for stand by and low performance needs

But I don't understand 2+4+4 or 2+8
I don't see why they'd want 8 A53 cores
And I don't see why they'd cap some at 2Ghz and some at 1.5Ghz
IMO they may as well not have included the 1.5Ghz A53s since the 2.0Ghz A53s can down clock to 1.5Ghz or lower
They should have used that die space for 2 more A72s or more GPU

posted on 21 Apr 2015, 13:41

24. Guaire (Posts: 740; Member since: 15 Oct 2014)

Main purpose of 10 core seems like marketing and getting high scores from certain benchmarks like Antutu and Geekbench multicore (again for marketing.)

Right, it's kind of wasting die area, but I suppose not (almost) entirely useless like the company's true octacore chips' extra cores.

If Snapdragon 615 and Kirin 930 could save some power with their big.LITTLE-ish configuration this one could do same.

posted on 21 Apr 2015, 00:55 4

4. TheBiz (Posts: 232; Member since: 13 Apr 2015)

10 cores ridiculous man why cant they (qualcomm,mediatek& exynos) stop bragging about cores and clockspeed and start concentrating on performance like intel and apple
i hate apple for their bloody marketting,their cruel oswith no freedom to customers and ignorance to thier customers wishes but kudos to thier soc and camera

posted on 21 Apr 2015, 01:30 2

11. XaErO (Posts: 333; Member since: 25 Sep 2012)

Exactly .. +1 Here !!

posted on 21 Apr 2015, 01:34 3

12. twens (Posts: 1061; Member since: 25 Feb 2012)

The end product of a processor is how fast it runs an OS and performs simple task. I like Apple I even use a 6 plus but to say their processor is above the competition means you are lacking in research and information. Let's put it this way, even if the A8 in the iPhone 6 is faster than the exynos in the note 4. The note 4 is still a much faster device overal than the iPhone. Countless of videos are out there for you to judge. As for the new exynos in the s6 I wouldn't even go there.

posted on 21 Apr 2015, 05:21

20. Neros (Posts: 1016; Member since: 19 Dec 2014)

Which are both outperformed by sammy. Nice try though.

posted on 21 Apr 2015, 00:59

5. bur60 (Posts: 878; Member since: 07 Jul 2014)

Maybe the international Z4 will employ it, or Z5?

posted on 21 Apr 2015, 01:02 9

6. TyrionLannister (unregistered)

And it will be accompanied with a 2013 GPU which will make for a disappointing chip overall. Also, the big.LITTLE already causes clashes due to different instruction sets, this will increase the problem.

And can't you downclock the 2 GHz A53 to 1.4 GHz? What's the need of that 3rd cluster. A 2 cortex A72 + 4 A53 would have been a better choice.

posted on 21 Apr 2015, 02:06 9

15. vergil9 (banned) (Posts: 517; Member since: 06 Apr 2015)

Mediatek loves Antutu, and Antutu loves CPU.
Blinding the average user with big numbers.

posted on 21 Apr 2015, 04:34 1

19. duartix (Posts: 311; Member since: 01 Apr 2014)

Apparently that is the only logical reason behind this nonsense.

posted on 21 Apr 2015, 01:09 5

7. T-rex (unregistered)

What about GPU?

posted on 21 Apr 2015, 01:41 8

13. vergil9 (banned) (Posts: 517; Member since: 06 Apr 2015)

Potato GPU.

posted on 21 Apr 2015, 13:26

22. Guaire (Posts: 740; Member since: 15 Oct 2014)

Probably PowerVR GX6250.

posted on 21 Apr 2015, 01:15

10. itsdeepak4u2000 (Posts: 3718; Member since: 03 Nov 2012)


posted on 21 Apr 2015, 01:50 2

14. XaErO (Posts: 333; Member since: 25 Sep 2012)

Cortex A72 provides its BEST PERFORMANCE upgrade on 14/16nm process .. while Mediatek is using 20nm .. I think that's not going to give them the said performance upgrade compared to Cortex A57 ..

I want these companies to NOT to play gimmicks and waste time .. Rather let's just concentrate on battery savings features, per core performance, extremely faster switching between multiple cores, extremely faster turning on/off of cores, built-in support for new tech (like Camera enhancements, SONAR fingerprint scanners, KNOX like built-in OS profile separation etc.), use new materials instead of silicon etc.

posted on 21 Apr 2015, 02:16 3

16. Commandant (Posts: 30; Member since: 31 Jan 2015)

this thing on 20 nm probably would cause massive overheat !

posted on 21 Apr 2015, 13:30

23. Guaire (Posts: 740; Member since: 15 Oct 2014)

Why? Except A72's it's pretty much average. A72 are significantly less power hungry than A57 and it's just dual core A72.

posted on 21 Apr 2015, 04:07 2

17. brrunopt (Posts: 742; Member since: 15 Aug 2013)

this chip makes no sense at all .. 2+4+4 its just stupid...

posted on 21 Apr 2015, 04:33 2

18. duartix (Posts: 311; Member since: 01 Apr 2014)

This isn't HMP (heterogeneous multi processing) anymore. This is schizophrenia.

posted on 21 Apr 2015, 05:52

21. nahusiv (Posts: 95; Member since: 20 Apr 2015)

nice, now lets see if finally Android can compete with Apple on performance with raw power versus native polished performance

posted on 24 Aug 2015, 19:15

25. HR_19 (Posts: 103; Member since: 09 Aug 2014)

The chip process itself in AnTuTu, now we just need to see if it proves itself in real-world years, and if the power efficiency gains are tangible. I think the biggest downfall of separate clusters is switching from one cluster to another too slow. I'd like to see like a single core for idle and other low power level stuff, then perhaps a quad core mid, and dual or quad high. What has always confused me is why do slow quad and fast dual? I don't quite understand that.

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