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Intel Broadwell-C (5675C/5775C) Ownership Club

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post #3641 of 4110 (permalink) Old 02-27-2019, 06:43 AM
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100:133 is for 2400MHz as well, which you can easily see for yourself. Give some benchmark scores.

PC for all
(21 items)
CPU
i7 5775c @4.2GHz/3.8GHz
Motherboard
Gigabyte Z97X Gaming 5
GPU
Soon to be 2070 Super FE
RAM
Still looking for a decent kit because holy sheit, the prices
Hard Drive
Corsair MP510
Hard Drive
Samsung Evo 860
Power Supply
Seasonic Focus Plus 750W
Cooling
Artcic Liquid Freezer II 360mm
Cooling
Arctic P12 PWM x2
Cooling
Arctic P14 x4
Case
LianLi 330X
Operating System
Windows 10 64-bit Pro
Monitor
Samsung C24FG73FQUX
Monitor
Benq GL2250 80Hz
Keyboard
Corsair Strafe Red Silent + 1.6x6mm o-rings
Mouse
SteelSeries Rival 600
Mousepad
Artisan FX Raiden
Audio
Audio in Motion SC808 + MUSES8820 + 2x 2xLME49990
Audio
AKG M220
Other
NZXT Hue+
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post #3642 of 4110 (permalink) Old 02-27-2019, 07:01 AM
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Still waiting for $$$ to sidegrade from my DC i7 to Broadwell to go past 38 GB/s, cause my DC holds my RAM back.

tRAS is @ 14 on the screenshot, but I assure you that there is no difference at all between 14 and 18.

i7-4790K 4.8/4.4 GHz core/cache (non AVX) @ Conductonaut | NH-D15S @ Conductonaut | Maximus VII Hero (Z97)
Trident X 32 GB (4x8) 2400 MHz 10-11-12-18-204-1 (F3-2400C10Q-32GTX) (Samsung ICs)
Strix 1070 Ti Advanced Binned 2050/9600 MHz CUDA/vRAM
AX860i (71,6 A 12 V single rail 80+ Platinum)

Last edited by Groove2013; 02-27-2019 at 07:06 AM.
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post #3643 of 4110 (permalink) Old 02-27-2019, 01:25 PM
Are you sure about that?
 
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Quote: Originally Posted by BroadPwns View Post
100:133 is for 2400MHz as well, which you can easily see for yourself. Give some benchmark scores.
Here are few I ran before I have to go to work
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CPU’s I’ve owned: P4 630, P4 631, C2D E6320, C2D E6700, X3230, QX9650, X5470, i7 920, i7 3770K ES, Pentium 2020M, i5 4690K, i7 5775C, Athlon XP 3200+, Athlon 64 X2 1.8GHz, A10 4600M, Ryzen 5 2600X, Ryzen 7 3800X (soon to be)

GPU’s I‘ve owned: GeForce2 MX400, 8800GTX, GTX 285, 2 x GTX 660 SLI (sold 1), ATi x1300, R9 380, R9 290X, GTX 1070, GTX 1080.
AM4 (in progress)
(10 items)
Broadwell-DT
(17 items)
Motherboard
ASRock X570 Taichi
GPU
EVGA GTX 1080 Superclocked FTW
RAM
G.Skill TridentZ RGB 3600MHz 2 x 16GB
Hard Drive
Samsung 970 Pro M.2 SSD 512GB
Hard Drive
Seagate Barracuda 7200RPM 4TB
Power Supply
EVGA Supernova 750W P2
Cooling
Corsair H110i v2
Operating System
Windows 10 Pro
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
CPU
Intel i7-5775C @ 4.5GHz
Motherboard
ASUS Z97-E/USB 3.1
GPU
EVGA GeForce GTX 1080 SC @ 2126MHz
GPU
Intel Iris Pro Graphics 6200
RAM
Corsair Vengeance Pro DDR3 2000MHz (16GB) (10-12-10-29)
Hard Drive
Samsung 850 Evo SATA III SSD 120GB (OS)
Hard Drive
Seagate Barracuda 7200RPM HDD 2TB (Standard game and applications)
Hard Drive
Crucial M500 SATA III SSD 960GB (fast load games)
Power Supply
Corsair RM850 850W 80+ Gold
Cooling
Corsair H100i v2
Case
Corsair Carbide Clear 400C
Operating System
Windows 10 Pro x64 1903
Monitor
Sceptre 27" Curved 144Hz Gaming LED Monitor
Monitor
19” LCD 1440x900 Dynex Monitor
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
Other
ASUS PCE-AC56 PCI-E Wireless Express Adapter
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post #3644 of 4110 (permalink) Old 02-28-2019, 06:48 PM
Are you sure about that?
 
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Finally got the RAM stable enough to pass Firestrike and gained 200 points from my 2000MHz result. I am happy with that. Had to bump DRAM voltage from 1.65v to 1.675v and I am about 95% sure that did it.

Edit: So to show you how jank my motherboard is I had to cheat it into letting me apply 1.675v, before hand if I applied that and saved it would just hang before rebooting and posting (as this board normally does when you put something in it doesn't like). How I did that was changed the ratio back to Auto and selecting 1333MHz RAM, did all voltage changes that needed to be done, applied and restarted. Once it POSTs I go back into BIOS and set it back to 100:133 and 2400MHz, apply, reboot and it posts just fine. That's how jank my BIOS are for those that were wondering, I literally have to do that every time I want to change a voltage (any voltage, even if its not related to RAM, also clock speeds too) otherwise it fails to POST and no there is no way around it. As long as it works I don't really care how many hoops I gotta jump through.

CPU’s I’ve owned: P4 630, P4 631, C2D E6320, C2D E6700, X3230, QX9650, X5470, i7 920, i7 3770K ES, Pentium 2020M, i5 4690K, i7 5775C, Athlon XP 3200+, Athlon 64 X2 1.8GHz, A10 4600M, Ryzen 5 2600X, Ryzen 7 3800X (soon to be)

GPU’s I‘ve owned: GeForce2 MX400, 8800GTX, GTX 285, 2 x GTX 660 SLI (sold 1), ATi x1300, R9 380, R9 290X, GTX 1070, GTX 1080.
AM4 (in progress)
(10 items)
Broadwell-DT
(17 items)
Motherboard
ASRock X570 Taichi
GPU
EVGA GTX 1080 Superclocked FTW
RAM
G.Skill TridentZ RGB 3600MHz 2 x 16GB
Hard Drive
Samsung 970 Pro M.2 SSD 512GB
Hard Drive
Seagate Barracuda 7200RPM 4TB
Power Supply
EVGA Supernova 750W P2
Cooling
Corsair H110i v2
Operating System
Windows 10 Pro
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
CPU
Intel i7-5775C @ 4.5GHz
Motherboard
ASUS Z97-E/USB 3.1
GPU
EVGA GeForce GTX 1080 SC @ 2126MHz
GPU
Intel Iris Pro Graphics 6200
RAM
Corsair Vengeance Pro DDR3 2000MHz (16GB) (10-12-10-29)
Hard Drive
Samsung 850 Evo SATA III SSD 120GB (OS)
Hard Drive
Seagate Barracuda 7200RPM HDD 2TB (Standard game and applications)
Hard Drive
Crucial M500 SATA III SSD 960GB (fast load games)
Power Supply
Corsair RM850 850W 80+ Gold
Cooling
Corsair H100i v2
Case
Corsair Carbide Clear 400C
Operating System
Windows 10 Pro x64 1903
Monitor
Sceptre 27" Curved 144Hz Gaming LED Monitor
Monitor
19” LCD 1440x900 Dynex Monitor
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
Other
ASUS PCE-AC56 PCI-E Wireless Express Adapter
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Last edited by TwilightRavens; 02-28-2019 at 11:42 PM.
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post #3645 of 4110 (permalink) Old 03-06-2019, 04:42 AM
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My final RAM setting!


Now it's time to lower SA, IO and VDIMM from auto.

i7-4790K 4.8/4.4 GHz core/cache (non AVX) @ Conductonaut | NH-D15S @ Conductonaut | Maximus VII Hero (Z97)
Trident X 32 GB (4x8) 2400 MHz 10-11-12-18-204-1 (F3-2400C10Q-32GTX) (Samsung ICs)
Strix 1070 Ti Advanced Binned 2050/9600 MHz CUDA/vRAM
AX860i (71,6 A 12 V single rail 80+ Platinum)

Last edited by Groove2013; 03-06-2019 at 05:40 AM.
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post #3646 of 4110 (permalink) Old 03-12-2019, 11:35 AM
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100 mem bus for 2400 platform limitations

Quote: Originally Posted by Groove2013 View Post
Still waiting for $$$ to sidegrade from my DC i7 to Broadwell to go past 38 GB/s, cause my DC holds my RAM back.

tRAS is @ 14 on the screenshot, but I assure you that there is no difference at all between 14 and 18.

Here is link giving technical data, Branch Prefetch/Hardware Prefetch, and Adjacent-Cache Line Prefetch mechanisms help achieve info/data that is not truly representative of actual RAM bandwidth. Mainstream platform is constantly bottlenecked by these or aided when RAM speeds supercede 1600mhz for 133 RAM bus or 1800 for 100 RAM bus. 1600/133 is like 14.5Gb/s, while 1800/100 is like 18Gb/s. BTW 1800 is max officially supported, however the only way to see this is w/ Aida64 on CPU stats, if I can recall. It will give a rundown and that is on the list. The 22nm memory controller does handle faster memory speeds better than Broadwell's 14nm. I would doubt any quicker bandwidth could be able to achieved unless utilizing Broadwell advanced prefetching along w/ the L4 cache. All of the before mentioned is also no more than a bottleneck at max thoroughput and will generally provide cache misses and the like, which results in unreliable processing of code/instructions in a multi-threaded workload that is strained/stressed. For all the above a workload less than 80% on the CPU is optimal. Once again because of the L4 cache, Broadwell is more consistent at over 80%. This is mainly due to lower latency and by-passing the memory controller bus which is the main bottleneck for all referenced scenario. Remember sudden burst of data that hit the memory bus bandwidth wall will corrupt the flow of data and result in threaded workloads waiting for data transfer misses, etc. Which leads to undesirable performance. I will provide a link to a prior post that I gave retrospect to all results, and respective achievements given the limitations of the platform.

https://www.overclock.net/forum/5-in...l#post27782174

sidenote- to test actual ram bandwidth one should turn off hardware prefetch and adjacent-line prefetch, then test for different results. ------------------

---------------------------------------------------------------------

Last edited by BlownGUNSLINGER; 03-13-2019 at 02:53 PM.
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post #3647 of 4110 (permalink) Old 03-19-2019, 02:30 PM
Hmmmmmmm
 
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https://valid.x86.fr/r51sec

Tried very hard to get it [email protected] but it's just not stable... Was regularly BSODing under AVX (R6 siege) at [email protected], 1.35v crashed while browsing after 2 days... Got it second hand, supposedly not overclocked, but I find it hard to believe the chip is that bad from the factory.
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post #3648 of 4110 (permalink) Old 03-19-2019, 02:51 PM
The last VRM burner
 
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Try with 1.355ish.

PC for all
(21 items)
CPU
i7 5775c @4.2GHz/3.8GHz
Motherboard
Gigabyte Z97X Gaming 5
GPU
Soon to be 2070 Super FE
RAM
Still looking for a decent kit because holy sheit, the prices
Hard Drive
Corsair MP510
Hard Drive
Samsung Evo 860
Power Supply
Seasonic Focus Plus 750W
Cooling
Artcic Liquid Freezer II 360mm
Cooling
Arctic P12 PWM x2
Cooling
Arctic P14 x4
Case
LianLi 330X
Operating System
Windows 10 64-bit Pro
Monitor
Samsung C24FG73FQUX
Monitor
Benq GL2250 80Hz
Keyboard
Corsair Strafe Red Silent + 1.6x6mm o-rings
Mouse
SteelSeries Rival 600
Mousepad
Artisan FX Raiden
Audio
Audio in Motion SC808 + MUSES8820 + 2x 2xLME49990
Audio
AKG M220
Other
NZXT Hue+
Other
Mayflash F300 Arcade Stick
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post #3649 of 4110 (permalink) Old 03-20-2019, 04:58 AM
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Quote: Originally Posted by GorbazTheDragon View Post
https://valid.x86.fr/r51sec

Tried very hard to get it [email protected] but it's just not stable... Was regularly BSODing under AVX (R6 siege) at [email protected], 1.35v crashed while browsing after 2 days... Got it second hand, supposedly not overclocked, but I find it hard to believe the chip is that bad from the factory.

I'd stay at 1.31V and 4.1GHz, my 5775c can OC to 4.3GHz at that voltage, but I prefer <1.3V anyway, so I settled for [email protected] And, yeah, chip can be "that bad", actually what you have is 80%+ of chips, my 1st sample of 5775c was stable [email protected] or [email protected] just like yours, but I managed to find the sample I have now for a reasonable price so switch cost me ~$15. And I only know of 2 chips(saw actual post by owners) that can do +100mhz at same or less Vcore as mine.

Home PC
(17 items)
CPU
i7-5775C
Motherboard
ASUS Z97-Pro Wi-Fi
GPU
EVGA GTX 1080 Hybrid
RAM
G.Skill TridienX 2400MHz 16Gb
Hard Drive
Sandisk Extreme Pro 240Gb
Hard Drive
Samsung 850 Pro 1Tb
Hard Drive
Toshiba DT01ACA300 3Tb
Power Supply
Seasonic SS-760XP2
Cooling
Arctic Liquid Freezer 240
Case
NZXT H630 Black
Operating System
Windows 7
Keyboard
Cherry G83-6000 Series Black
Mouse
Logitech G400
Mouse
Razer Goliathus Alpha Speed Mouse Pad
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X-Trac Ripper XL Mouse Pad
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Edifier R2700
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post #3650 of 4110 (permalink) Old 03-20-2019, 01:40 PM
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Yeah the bins for them are all over the place, mine can do 4.0 at stock voltage, whereas i had a few that took 1.2v at 4.0. I’d say 1.25v or so is above average for 4.2GHz and 1.35v for 4.2GHz is below average. Most will top out at 4.3, some 4.4 and very few 4.5. The bottom barrel chips will top out at 4.2, though to be honest half of it is motherboard dependent, really cheap boards with 0 quality will probably net you 4.1-4.2. Whereas half decent to high end boards will probably get you to 4.3 and higher.

CPU’s I’ve owned: P4 630, P4 631, C2D E6320, C2D E6700, X3230, QX9650, X5470, i7 920, i7 3770K ES, Pentium 2020M, i5 4690K, i7 5775C, Athlon XP 3200+, Athlon 64 X2 1.8GHz, A10 4600M, Ryzen 5 2600X, Ryzen 7 3800X (soon to be)

GPU’s I‘ve owned: GeForce2 MX400, 8800GTX, GTX 285, 2 x GTX 660 SLI (sold 1), ATi x1300, R9 380, R9 290X, GTX 1070, GTX 1080.
AM4 (in progress)
(10 items)
Broadwell-DT
(17 items)
Motherboard
ASRock X570 Taichi
GPU
EVGA GTX 1080 Superclocked FTW
RAM
G.Skill TridentZ RGB 3600MHz 2 x 16GB
Hard Drive
Samsung 970 Pro M.2 SSD 512GB
Hard Drive
Seagate Barracuda 7200RPM 4TB
Power Supply
EVGA Supernova 750W P2
Cooling
Corsair H110i v2
Operating System
Windows 10 Pro
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
CPU
Intel i7-5775C @ 4.5GHz
Motherboard
ASUS Z97-E/USB 3.1
GPU
EVGA GeForce GTX 1080 SC @ 2126MHz
GPU
Intel Iris Pro Graphics 6200
RAM
Corsair Vengeance Pro DDR3 2000MHz (16GB) (10-12-10-29)
Hard Drive
Samsung 850 Evo SATA III SSD 120GB (OS)
Hard Drive
Seagate Barracuda 7200RPM HDD 2TB (Standard game and applications)
Hard Drive
Crucial M500 SATA III SSD 960GB (fast load games)
Power Supply
Corsair RM850 850W 80+ Gold
Cooling
Corsair H100i v2
Case
Corsair Carbide Clear 400C
Operating System
Windows 10 Pro x64 1903
Monitor
Sceptre 27" Curved 144Hz Gaming LED Monitor
Monitor
19” LCD 1440x900 Dynex Monitor
Keyboard
Logitech G213 Prodigy
Mouse
Logitech G502 Hero Gaming Mouse
Other
ASUS PCE-AC56 PCI-E Wireless Express Adapter
▲ hide details ▲

Last edited by TwilightRavens; 03-21-2019 at 10:32 AM.
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