Intel Broadwell Thread

[frozentundra123456]

If there will a Skylake-K this year it will most likely be a 95W 4+2 SKU. I doubt we will see 4+4e SKUs till 2016 so Broadwell-K GT3e should have a fairly regular lifespan.

Quite a lot of people using Haswell Celeron/Pentium/Core i3's, massive amounts of DDR3 RAM or expensive LGA1150 motherboards have their reasons to be interested in Broadwell-K. Also some CPU applications should benefit from that huge eDRAM.

IMHO it's 1000x more exciting as a product than Kaveri Refresh and gives LGA1150 users flexibility to upgrade.

Yea, except that it is still a niche product for someone that uses the igpu or can somehow make use of the edram. Otherwise, I would just upgrade to a haswell quad with a discrete card.

When are quad broadwell mobile chips coming out, and will that have an Iris Pro variant? Honestly, I couldnt care less on the desktop about the igp. Now if they would make GT3e standard for quad laptops, and price it reasonably, that could be very attractive for someone that wanted mid/low end gaming performance without a discrete card.

 

[Sweepr]

3.3-3.7GHz, not bad at all. Coupled with ~5% better IPC and some gains from the eDRAM and you're not that far from Core i7 4790K CPU performance with much better iGPU at lower TDP. Here's hoping they will reach at least 4GHz 24/7 @ OC. Also the new Core i5 doesn't regress much in terms of clockspeed (-100MHz max Turbo).

http://chinese.vr-zone.com/146637/i...ktop-only-have-i7-5775c-and-i5-5675c-03232015

 

[Fjodor2001]

Nice find, Sweepr! Found it on English VR-Zone too, for those not fluent in Chinese:

http://vr-zone.com/articles/intel-c...desktop-broadwell-cpus-arrive-soon/89330.html

 

[Fjodor2001]

Rough estimate: 5775C / 5775R will perform as an IB 3770K (the former has ~10% lower clocks, but ~10 % higher IPC), but with better iGPU and at 65 W TDP instead of 77 W?

 

[frozentundra123456]

3.3-3.7GHz, not bad at all. Coupled with ~5% better IPC and some gains from the eDRAM and you're not that far from Core i7 4790K CPU performance with much better iGPU at lower TDP. Here's hoping they will reach at least 4GHz 24/7 @ OC. Also the new Core i5 doesn't regress much in terms of clockspeed (-100MHz max Turbo).

http://chinese.vr-zone.com/146637/i...ktop-only-have-i7-5775c-and-i5-5675c-03232015

Depends on price. If they price it close to Haswell's corresponding chips, then yes, it is not bad, basically a free upgrade of the IGP. However, I have a feeling it will be quite a bit more expensive than Haswell, relegating it to a niche product as I said, for those who for some reason was the best gpu performance without adding a discrete card.

Edit: But I agree the clocks are better than I expected at 65w TDP, if these numbers are real.

 

[Dave2150]

Depends on price. If they price it close to Haswell's corresponding chips, then yes, it is not bad, basically a free upgrade of the IGP. However, I have a feeling it will be quite a bit more expensive than Haswell, relegating it to a niche product as I said, for those who for some reason was the best gpu performance without adding a discrete card.

Edit: But I agree the clocks are better than I expected at 65w TDP, if these numbers are real.

It has worse clocks and the same TDP than the exact same CPU on Haswell, the 4770R http://ark.intel.com/products/76642/Intel-Core-i7-4770R-Processor-6M-Cache-up-to-3_90-GHz?q=4770R

Quite pathetic that 14nm gives it absolutely no benefits to end users, since the 5% IPC increase of Broadwell will be cancelled out due to the clock speeds being lower.

Good news for AMD, Intel is giving them plenty of time to catchup now.

I assume Skylake will also be affected by Intel's pathetic 14nm clock speeds.

 

[liahos1]

I dont follow the desktop parts as much - but would we expect higher clocks for the broadwell k parts. Why is there a clock regression on both base and turbo relative to haswell/ivybridge. I get the GPU is improved and the tdp is lower but I am just wondering why they dont keep tdp the same and increase clocks/gpu perf. Is that reserved for K parts?

 

[jpiniero]

It has worse clocks and the same TDP than the exact same CPU on Haswell, the 4770R http://ark.intel.com/products/76642/Intel-Core-i7-4770R-Processor-6M-Cache-up-to-3_90-GHz?q=4770R

The base is higher, turbo lower. This is consistent with the U and Y parts.

 

[coercitiv]

It has worse clocks and the same TDP than the exact same CPU on Haswell, the 4770R http://ark.intel.com/products/76642/Intel-Core-i7-4770R-Processor-6M-Cache-up-to-3_90-GHz?q=4770R

Quite pathetic that 14nm gives it absolutely no benefits to end users, since the 5% IPC increase of Broadwell will be cancelled out due to the clock speeds being lower.

Keep in mind the 4770R throttles under heavy combined loads, so Broadwell might still come out on top with better sustained clocks.

 

[dahorns]

Keep in mind the 4770R throttles under heavy combined loads, so Broadwell might still come out on top with better sustained clocks.

Yeah. The CPU for the 4770R goes under base clock and the GPU is stuck at just below base as well. I'm betting the Broadwell part sits just below max turbo for both under the same conditions.

 

[frozentundra123456]

It has worse clocks and the same TDP than the exact same CPU on Haswell, the 4770R http://ark.intel.com/products/76642/Intel-Core-i7-4770R-Processor-6M-Cache-up-to-3_90-GHz?q=4770R

Quite pathetic that 14nm gives it absolutely no benefits to end users, since the 5% IPC increase of Broadwell will be cancelled out due to the clock speeds being lower.

Good news for AMD, Intel is giving them plenty of time to catchup now.

I assume Skylake will also be affected by Intel's pathetic 14nm clock speeds.

We get that you like to ridicule 14nm. You have made your point repeatedly, so maybe you should like, you know, give it a rest. (Especially in a Broadwell thread).

In any case, it is overclockable, so we need to see if there is any headroom at all to say, like 4ghz. I would expect to see igp performance in the area of top end Kaveri, and despite all the ridicule, cpu performance will be far superior to any AMD apu, if anyone wants to go there and start that "discussion".

 

[witeken]

I assume Skylake will also be affected by Intel's pathetic 14nm clock speeds.

14nm pathetic clock speeds? Do you know any ARM SoC with Core IPC that goes to 2.9GHz. The only one that competes on IPC only goes to half of that.

 

[Fjodor2001]

14nm pathetic clock speeds? Do you know any ARM SoC with Core IPC that goes to 2.9GHz. The only one that competes on IPC only goes to half of that.

The ARM SoC is targetting a different market segment. So it's not fair to compare only the metrics you mentioned. What about the die area, cost and power consumption of the Intel Broadwell 5775C/R vs the ARM SoC? How does that compare?

 

[Dave2150]

14nm pathetic clock speeds? Do you know any ARM SoC with Core IPC that goes to 2.9GHz. The only one that competes on IPC only goes to half of that.

My comments are aimed only at the stagnated desktop market.

Desktop haswell has been around since June 2013, and it's set to continue to be the highest performing desktop CPU until Skylake, assuming Skylake can solve the 14nm clock speed issue.

For desktop users who have a dedicated GPU, Broadwell is inferior to Haswell. Kinda disappointing.

 

[Arachnotronic]

14nm pathetic clock speeds? Do you know any ARM SoC with Core IPC that goes to 2.9GHz. The only one that competes on IPC only goes to half of that.

Broadcom Vulcan?

http://www.broadcom.com/press/release.php?id=s797235

 

[ShintaiDK]

14nm pathetic clock speeds? Do you know any ARM SoC with Core IPC that goes to 2.9GHz. The only one that competes on IPC only goes to half of that.

There is no ARM chip with Core or near Core IPC.

Broadcom Vulcan?

[URL]http://www.broadcom.com/press/release.php?id=s797235[/URL]

Thats more like Atom IPC. But again who knows. Its a PR from 2013. Now its 2015. Any recent news? Did they ever reach 3Ghz?

 

[Arachnotronic]

There is no ARM chip with Core or near Core IPC.



Thats more like Atom IPC. But again who knows. Its a PR from 2013. Now its 2015. Any recent news? Did they ever reach 3Ghz?

Vulcan, according to Broadcom, should have ~90% ST perf/clock as a Haswell. It's also a high-end networking CPU core, not a mobile processor

 

[frozentundra123456]

My comments are aimed only at the stagnated desktop market.

Desktop haswell has been around since June 2013, and it's set to continue to be the highest performing desktop CPU until Skylake, assuming Skylake can solve the 14nm clock speed issue.

For desktop users who have a dedicated GPU, Broadwell is inferior to Haswell. Kinda disappointing.

I think everybody is disappointed with progress on the desktop. I have expressed disappointment in 14nm as well, not so much at the clockspeed, but at the lateness and modest power savings. A little civility will go a long way however in the way that you express things. Maybe 14nm is "pathetic" to you, but does any other manufacturer have a better process? Most are still stuck on 28nm or just starting to transition to low power 20nm or some hybrid process that they call 14nm. Broadwell was never really designed to bring big improvements to the desktop anyway.

 

[ShintaiDK]

Vulcan, according to Broadcom, should have ~90% ST perf/clock as a Haswell. It's also a high-end networking CPU core, not a mobile processor

X-Gene ring a bell?

http://www.anandtech.com/show/8357/exploring-the-low-end-and-micro-server-platforms/18

PR is PR.

 

[Dave2150]

I think everybody is disappointed with progress on the desktop. I have expressed disappointment in 14nm as well, not so much at the clockspeed, but at the lateness and modest power savings. A little civility will go a long way however in the way that you express things. Maybe 14nm is "pathetic" to you, but does any other manufacturer have a better process? Most are still stuck on 28nm or just starting to transition to low power 20nm or some hybrid process that they call 14nm. Broadwell was never really designed to bring big improvements to the desktop anyway.

Intel have the best process technology in the world, no question there.

Pathetic was too strong a word, I agree. I guess I'm simply comparing what I have seen 14nm do for desktop so far, next to what we all know 22nm can already do (first 4Ghz base clock Intel quadcore).

I logically assumed that the 5th generation of I5/I7 would be superior to the 4th generation, so when the clock speeds/skews finally get released, after months of waiting, it could be argued that the difference between 22nm and 14nm is rather dire.

I hope Skylake will offer a CPU that's superior to the 4770k/4790k. I guess we'll have to wait 6 months, or longer if it's delayed, to find out. Wouldn't surprise me if it turns out to be slower than the 4790k though, since I assume Skylake was designed for mobile/performance per watt above everything else.

 

[Arachnotronic]

X-Gene ring a bell?

http://www.anandtech.com/show/8357/exploring-the-low-end-and-micro-server-platforms/18

PR is PR.

Vulcan is an ARM-ed successor to the XLP chips from Broadcom, which are actually quite successful.

Now, by the time Vulcan comes in it will be competing with Skylake-EP...

 

[tenks]

Just like I said, they aren't K chips.



told you so

 

[Fjodor2001]

Just like I said, they aren't K chips.



told you so

K as in "unlocked", or K as in "Intels top performing desktop CPUs"?

 

[Sweepr]

Notebookcheck: Asus Transformer Book T300 Chi Convertible Review

The size and weight of the tablet are attractive selling points at just 7.6 mm thick and 720 grams. Meanwhile, the keyboard dock comes in slightly thicker and heavier at 8.9 mm and 725 grams. Even with the combined thickness of 16.5 mm, the T300 Chi is still a very thin 12.5-inch notebook. It's relatively lightweight, but Asus' own 13.3-inch Zenbook UX305 is about 200 grams lighter.

CPU performance is slightly and consistently faster in both single- and multi-threaded benchmarks than the ThinkPad Helix 2, which uses the same M-5Y71 CPU as does our T300 Chi. This is evident not just in the CineBench results below, but also in Super Pi as well. Compared to ULV i7 CPUs, however, our tablet is slower by more than just a few percentage points. Performance-per-watt is still very good against a ULV Core i5 as it trades blows with the i5-4300U in the Surface Pro 3 while having less than a third of the TDP.

www.notebookcheck.net/Asus-Transformer-Book-T300-Chi-Convertible-Review.138153.0.html

Overall a better performer than other Core M devices, much closer to Llama Mountain Platform scores.

 

[danjw]

Could you link the official source from Intel where it says that the remaining Broadwell chips have been delayed from Q2 to 2H 2015 please?

Well they are saying "mid 2015" so it may be late Q2, if they show up: http://www.anandtech.com/show/9053/...iris-pro-desktop-cpu-demoed-by-intel-at-gdc15