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Techpenguin101

Does your pc run faster when you have all 4 dim slots populated?

they essentially double or quadruple bandwidth respectively. As far as speed goes, i think the jump to dual channel from single channel is much larger than the jump to quad from dual.

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Posted · Original PosterOP

Is your pc faster when you have it on quad rather than dual and single?


                                      OH YEAH YEAH

 

 

Running on a 300-400$ laptop 

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(Stuff that I have is below, the "new pc" stuff are things that I don't have)

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Peripherals

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Keyboard: Corsair - K70 Low Profile

Mouse: SteelSeries - Rival 650

Headset: Turtle Beach - Atlas Three

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

                       NEW PC

CPU: Intel - Core i7-8700k 
COOLER: Noctua NH-D15
MOBO: ASRock - Z390 - Taichi
RAM: G.Skill - Trident Z RGB 32GB - 3000 (16gb if money's low)

STORAGE: Samsung - 860 EVO - 1TB

VIDEO CARD: RTX 2080

CASE: NZXT - H700 (White)

PSU: NVGA - SuperNOVA G3 850W 

MONITORS: MSI - Optix MAG24C x2 

 
 
 
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Posted · Best Answer

they essentially double or quadruple bandwidth respectively. As far as speed goes, i think the jump to dual channel from single channel is much larger than the jump to quad from dual.

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Just now, Derrk said:

they essentially double or quadruple bandwidth respectively. As far as speed goes, i think the jump to dual channel from single channel is much larger than the jump to quad from dual.

There is no quad channel support on consumer platforms, only dual channel with 2 dimms per channel

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Posted · Original PosterOP
3 minutes ago, Get Booda said:

There is no quad channel support on consumer platforms, only dual channel with 2 dimms per channel

Wait, so is it dual-dual channel then?


                                      OH YEAH YEAH

 

 

Running on a 300-400$ laptop 

------ 

(Stuff that I have is below, the "new pc" stuff are things that I don't have)

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

Peripherals

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

Keyboard: Corsair - K70 Low Profile

Mouse: SteelSeries - Rival 650

Headset: Turtle Beach - Atlas Three

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

                       NEW PC

CPU: Intel - Core i7-8700k 
COOLER: Noctua NH-D15
MOBO: ASRock - Z390 - Taichi
RAM: G.Skill - Trident Z RGB 32GB - 3000 (16gb if money's low)

STORAGE: Samsung - 860 EVO - 1TB

VIDEO CARD: RTX 2080

CASE: NZXT - H700 (White)

PSU: NVGA - SuperNOVA G3 850W 

MONITORS: MSI - Optix MAG24C x2 

 
 
 
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So whats faster quad or dual?


Main PC

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i3-8100 @3.6GHz | GTX 1060 6GB | EVGA 450 BT | Island Professional 120GB SSD | | Toshiba 2TB HDD | Corsair Vengeance 2x4 2666 DDR4  | Corsair 270R | Windows 10 Pro | CPU Cinebench Score - 444 cb | OpenGL FPS - 84.85 FPS | Novabench Score (OC) - 1770 Base - 1678

 

Keyboard and Mouse

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Tecware Phantom 87 Key RGB Outemu Blue | Logitech G203 White

 

Streaming PC (HP Compaq 8100 SFF)

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i5-750 @2.66GHz | Radeon HD 6450 | HP Compaq 240watt PSU | Toshiba 1TB HDD | Samsung 1x4 DDR3 1333MHz | HP Compaq 8100 SFF | Windows 10 Pro | CPU Cinebench Score - 320 cb | OpenGL FPS - 16.65 FPS | Novabench Score (OC) - 713 Base - 703

 

Keyboard and Mouse

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Logitech G413 Silver White LED Romer-G Switch | Old Gateway Mouse

 

Monitors

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

AOC - 21.5" IPS LED FHD Model - l2279VWHE | AOC - 24" TN Panel FHD 144hz 1ms Response - Model G2460PF

 

Other Electrical Devices

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IPhone XS 64GB Gold | Elgato HD60 Capture Card | Xbox One 500GB | Samsung 32' 1080p Smart TVApple Airpods |

 

More About Me

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Hi my name is Jacob. I have a interest in computers. Right now I am a High School Freshman! I am enrolled in Cisco IT Essentials and I plan on following my career as something in IT.

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9900K  / Asus Maximus Formula XI / 16Gb G.Skill RGB 4266mHz / 1TB Samsung 970 Evo / EVGA 980ti FE.

2 loops : XSPC EX240 + 2x RX360 (CPU + VRMs) / EK Supremacy Evo & RX360 (GPU) / EK FCWB. D5 pumps / EK Res

14 NF-F12s and a CM 140 case fan / CM HAF Stacker 945 / Corsair AX 860i

Asus ROG Swift PG278Q / Duckyshine 6 YOTR / Logitech G502 / Saitek X55 / Blue Yeti / Sennheiser HD598SE

Oculus Rift+ Touch

 

 

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Sometimes. If you have a chipset that supports quad-channel memory, then you'll see improvements, albeit mostly minor, up to four sticks of RAM. If your board only supports dual-channel memory, adding more than two sticks of RAM won't net you any performance increase, aside from just having more RAM.

One of the four channels on my X99 board went up in flames, so I am currently running my computer in triple-channel memory mode by sticking the RAM into another channel (B1,B2,C1,D1) with no noticeable difference to performance.

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For example you have 4 sticks of 2GB

Then you have 2 sticks of 4GB

What would give the better score?


Main PC

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

i3-8100 @3.6GHz | GTX 1060 6GB | EVGA 450 BT | Island Professional 120GB SSD | | Toshiba 2TB HDD | Corsair Vengeance 2x4 2666 DDR4  | Corsair 270R | Windows 10 Pro | CPU Cinebench Score - 444 cb | OpenGL FPS - 84.85 FPS | Novabench Score (OC) - 1770 Base - 1678

 

Keyboard and Mouse

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

Tecware Phantom 87 Key RGB Outemu Blue | Logitech G203 White

 

Streaming PC (HP Compaq 8100 SFF)

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

i5-750 @2.66GHz | Radeon HD 6450 | HP Compaq 240watt PSU | Toshiba 1TB HDD | Samsung 1x4 DDR3 1333MHz | HP Compaq 8100 SFF | Windows 10 Pro | CPU Cinebench Score - 320 cb | OpenGL FPS - 16.65 FPS | Novabench Score (OC) - 713 Base - 703

 

Keyboard and Mouse

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

Logitech G413 Silver White LED Romer-G Switch | Old Gateway Mouse

 

Monitors

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

AOC - 21.5" IPS LED FHD Model - l2279VWHE | AOC - 24" TN Panel FHD 144hz 1ms Response - Model G2460PF

 

Other Electrical Devices

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

IPhone XS 64GB Gold | Elgato HD60 Capture Card | Xbox One 500GB | Samsung 32' 1080p Smart TVApple Airpods |

 

More About Me

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

Hi my name is Jacob. I have a interest in computers. Right now I am a High School Freshman! I am enrolled in Cisco IT Essentials and I plan on following my career as something in IT.

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7 minutes ago, AirSocial said:

For example you have 4 sticks of 2GB

Then you have 2 sticks of 4GB

What would give the better score?

Given all other variables to be equal (memory speed, CAS latency, chip quality, etc.) in theory there should be no diffrence, in practice 2x 4GB sticks will usually edge out the 4x 2GB sticks (given the same memory speed and latency values), but it won't be a noticeable diffrence in day to day work.

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Yes and now, dual channel dual rank can be faster, realistically the more dimms populated the more stress on the imc and lower overall overclock can be.

 

End of the day, in memory hungry applications (compute work loads science etc) yes theres a noticeable difference, and benchmarking  


Silent build - You know your pc is too loud when the deaf complain. Windows 98 gaming build, smells like beige

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Overall, if your system only has 4 slots and is dual-channel, having all 4 DIMMs populated on modern boards/chips doesn't make much difference. When this becomes more of a thing is in memory overclocking, as some cpu/board combos are actually designed with 4-DIMMs in mind, like mine, when actually has been shown to have better memory overclocking with all 4 populated vs just 2 of the 4. 

 

I don't understand the details of why myself, but it has to do with the layout inside the motherboard of how the DIMMs talk to the memory controller inside the CPU. There's actually less noise when all 4 are populated, vs when 2 are not. That isn't the case with all boards, but it is with this particular one. Builzoid from YouTube sort of explained it in his memory overclocking guide for this board. 

 

At default, stock vs stock, there is no noticeable difference on the vast majority of dual channel motherboards, going from 2 slots to 4 slots populated, as far as I know.


Primary Rig (new, just built):

CPU: Intel i9-9900K @ 4.7/5.0GHz (1.25V/1.29V)  ~  Mobo: Gigabyte Z390 AORUS Master

CPU Cooler: Thermaltake Floe RGB 280mm AIO (Push/Pull with Thermaltake Riing & Pure fans)

RAM: 4x8GB G.Skill TridentZ RGB @ 4000MHz CL17-17-17-38 1.4V (F4-3600C16Q-32GTZR) 

GPU: eVGA GTX 1080 Ti FTW3 Hybrid @ Stock/2050MHz - Push/Pull Radiator Fans

PSU: eVGA SuperNova P2 1200W - Case: Thermaltake View 91

SSDs/HDDs: Samsung EVO 860 1TB, Transcend 480GB, Samsung QVO 1TB, Seagate FireCuda 2TB (Hybird HDD)

Windows 10 of course - which I don't mind, so far

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