[HotHardware] Lenovo ThinkPad Rocking Core i7-1165G7 Tiger Lake CPU And Xe GPU Leaks - Overclock.net - An Overclocking Community

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[HotHardware] Lenovo ThinkPad Rocking Core i7-1165G7 Tiger Lake CPU And Xe GPU Leaks

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post #1 of 16 (permalink) Old 07-04-2020, 08:58 PM - Thread Starter
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[HotHardware] Lenovo ThinkPad Rocking Core i7-1165G7 Tiger Lake CPU And Xe GPU Leaks

Source: https://hothardware.com/news/lenovo-...pu-xe-gpu-leak

Quote:
There has been a flood of Tiger Lake leaks over the past several weeks (and months, really), and it does not look like they are slowing down. Case in point, a Lenovo ThinkPad laptop sporting an Intel 11th generation Core i7-1165G7 processor with Xe graphics in tow has made another cameo in the Geekbench database.

The Core i7-1165G7 is an unreleased Tiger Lake-U processor for ultrathin and light laptops. It is built on Intel's enhanced 10-nanometer manufacturing process (10nm+) and features four Willow Cove processor cores with HyperThreading support (so eight threads).

In the single-core test, the Core i7-1165G7 result is nearly 22 percent faster than the Ryzen 7 4800U. Bear in mind that Intel's chip is also running faster, at 2.8GHz to 4.7GHz versus 1.8GHz to 4.2GHz. Still, it is an impressive showing.
Odd they used an Arch Linux submission to compare. It is the best result for the 4800u, Intel also gains a decent performance boost when using Linux as well.

Best Windows multi-threaded result for the LENOVO 82DM(4800u): 25039 https://browser.geekbench.com/v4/cpu/15604942
Best Windows single-threaded result for the LENOVO 82DM(4800u): 5033 https://browser.geekbench.com/v4/cpu/15582880
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post #2 of 16 (permalink) Old 07-04-2020, 09:05 PM
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What is Ice Lake in this benchmark?

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post #3 of 16 (permalink) Old 07-04-2020, 09:18 PM - Thread Starter
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Quote: Originally Posted by ZealotKi11er View Post
What is Ice Lake in this benchmark?
Intel Core i7-1065G7

Best Windows Multi-threading result: 19519 https://browser.geekbench.com/v4/cpu/15297486
Best Windows single-threaded result: 5816 https://browser.geekbench.com/v4/cpu/15607684
Only 1 linux result but it's the best: 6166/20501 https://browser.geekbench.com/v4/cpu/15439634

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post #4 of 16 (permalink) Old 07-05-2020, 06:41 AM
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Need to know if it's running at 15w or 28w. We know the renoir is running at 1.8ghz while the tiger lake is running at 2.8ghz.

Context matters...w/o knowing, the information is basically useless.
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post #5 of 16 (permalink) Old 07-05-2020, 10:07 AM
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Quote: Originally Posted by WannaBeOCer View Post
Intel Core i7-1065G7

Best Windows Multi-threading result: 19519 https://browser.geekbench.com/v4/cpu/15297486
Best Windows single-threaded result: 5816 https://browser.geekbench.com/v4/cpu/15607684
Only 1 linux result but it's the best: 6166/20501 https://browser.geekbench.com/v4/cpu/15439634
Relative to Ice lake seems more like refined 10nm + clk speeds + L2.

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post #6 of 16 (permalink) Old 07-05-2020, 10:50 AM - Thread Starter
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Quote: Originally Posted by ZealotKi11er View Post
Relative to Ice lake seems more like refined 10nm + clk speeds + L2.
Yep, Willow Cove cores are rumored to have a 7% IPC improvement over Sunny Cove cores. Golden Cove will be a 25% increase over Willow Cove. So we're looking at a 16% IPC increase over AMD's Zen 2 with Willow Cove.

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post #7 of 16 (permalink) Old 07-05-2020, 11:31 AM
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Hmmm with a 1 GHz clock difference we have the below:

Code:
Multi core : AMD has an advantage of 17.61%
Single Core : Intel has an advantage of 21.8%
I am curious to see a test that normalizes clocks and brings the same no of threads on both sides.

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post #8 of 16 (permalink) Old 07-05-2020, 11:59 AM - Thread Starter
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Quote: Originally Posted by Wishmaker View Post
Hmmm with a 1 GHz clock difference we have the below:

Code:
Multi core : AMD has an advantage of 17.61%
Single Core : Intel has an advantage of 21.8%
I am curious to see a test that normalizes clocks and brings the same no of threads on both sides.
The 1Ghz clock difference will most likely became a factor during the multi-threaded benchmark. At most the single core difference is probably 300Mhz because I highly doubt both touched or kept their max boost during GeekBench.

I just ran GeekBench 4 on my 3500U(base 2.10Ghz) laptop with a 15w TDP it mostly stayed at 3068Mhz and jumped up to 3.2Ghz during the single core benchmark. I never saw 3.5Ghz which is the max boost for this laptop.

Single Core: 3134
MultiCore: 8759

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post #9 of 16 (permalink) Old 07-06-2020, 06:22 PM
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Assuming a core isn't starved by low memory bandwidth and uncore/IMC/L3 cache speed, the performance increment should generally be linear with increasing core clock speed. Then I use this rough formula to calculate the IPC difference.

GB 4.4.2:
i7-1165G7: 6737 single core score / 4.7 GHz = 1433 score per GHz.
R7-4800U: 5531 single core score / 4.2 GHz = 1317 score per GHz.

1433 / 1317 = 8.8% higher IPC with i7-1165G7. only 8.8%!? Dayum!

(scratching my head)This is weird. As far as I have read that the Ice Lake itself has at least 10% better IPC than even the Zen 2 desktop part. Either the Intel one isn't reaching 4.7 GHz turbo or it's the 4800U going more turbo than 4.2 GHz? [or] the 4800U is running with faster RAM or the benchmark is biased toward Intel?

Also why use GB4 when GB5 is here? Is there any special reason to not use GB5?

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Last edited by sumitlian; 07-06-2020 at 06:41 PM.
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post #10 of 16 (permalink) Old 07-06-2020, 06:30 PM
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One more thing. It definitely looks like Intel gets advantage in GB4 results as my Haswell at 4.1 GHz gives 5100 single core(4.1 GHz core, 2314 MHz memory) GB4 when Zen 3 gives 5033 at 4.3 GHz. This must not be happening. Haswell can not be faster than Zen 2 in at least IPC, let alone Zen 3. The GB4 is biased toward Intel or it doesn't get the same level of optimization to be fairly used on Ryzen.
https://browser.geekbench.com/v4/cpu/15582880
https://browser.geekbench.com/v4/cpu/15609883

Edit: corrections.

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Last edited by sumitlian; 07-11-2020 at 06:43 AM.
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