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difference between x570 and b550

Cyneptic
By Cyneptic
in CPUs, Motherboards, and Memory
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so i am getting a 3900XT and ive been wondering what is the difference between x570 mobos and b550. as i find b550 to be much more affordable but dont really want to lose performance over it.

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The main difference is that X570 allows the lanes that are wired to the chipset and to the cpu to be gen 4 assuming you're using a zen 2 chip, with b550, it allows the lanes that are wired to the cpu to be gen 4 but the lanes that are wired to the chipset are gen 3, unless you need the extra gen 4 lanes, b550 is just as good. 

Budget for a board? location and currency? also the XT lineup are not worth the extra money, so you could just go with the 3900x unless it was similarly/ the same price.  

PC: Motherboard: ASUS B550M TUF-Plus, CPU: Ryzen 3 3100, CPU Cooler: Arctic Freezer 34, GPU: GIGABYTE WindForce GTX1650S, RAM: HyperX Fury RGB 2x8GB 3200 CL16, Case, CoolerMaster MB311L ARGB, Boot Drive: 250GB MX500, Game Drive: WD Blue 1TB 7200RPM HDD.

 

Peripherals: GK61 (Optical Gateron Red) with Mistel White/Orange keycaps, Logitech G102 (Purple), BitWit Ensemble Grey Deskpad. 

 

Audio: Logitech G432, Moondrop Starfield, Mic: Razer Siren Mini (White).

 

Phone: Pixel 3a (Purple-ish).

 

Build Log: 

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13 minutes ago, TofuHaroto said:

The main difference is that X570 allows the lanes that are wired to the chipset and to the cpu to be gen 4 assuming you're using a zen 2 chip, with b550, it allows the lanes that are wired to the cpu to be gen 4 but the lanes that are wired to the chipset are gen 3, unless you need the extra gen 4 lanes, b550 is just as good. 

Budget for a board? location and currency? also the XT lineup are not worth the extra money, so you could just go with the 3900x unless it was similarly/ the same price.  

it is quite a similar price here so I may aswell go with the XT, i have somewhere between 180 to 250-80$ for the budget (for currency go with USD) but I would really like to save on it if it doesn't mean performance drop since I'm saving for a 3080

 

I was thinking between rog strix b550-f and x570 aorus elite. but even though i can go for rog stix x570-f I rather save that for gpu unless it means performance drop.

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With both B550 and x570 the pci-e x16 slot in which you normally insert a video card, and the first m.2 connector can run in pci-e 4.0 mode. 

 

The difference is in the extra 8 pci-e lanes produced by the chipset, which usually go to the bottom pci-e x16 slot (only x4 electrically) and the 2nd m.2 connector.  

On B550 chipset, these 8 pci-e lanes are pci-e 3.0, on x570 they're pci-e 4.0 lanes. 

 

B550 also doesn't need a chipset fan, x570 has chipset fan but it's pretty much only working if you have pci-e 4.0 devices connected to its chipset lanes. 

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1 hour ago, Cyneptic said:

have somewhere between 180 to 250-80$ for the budget

For the board? 

If so..

Spoiler
PCPartPicker Part List
Type Item Price
Motherboard MSI B550-A PRO ATX AM4 Motherboard $139.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $139.99
  Generated by PCPartPicker 2020-09-30 03:05 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard MSI MAG B550 TOMAHAWK ATX AM4 Motherboard $179.99 @ Amazon
  Prices include shipping, taxes, rebates, and discounts  
  Total $179.99
  Generated by PCPartPicker 2020-09-30 03:05 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Gigabyte B550 AORUS PRO ATX AM4 Motherboard $169.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $169.99
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Asus ROG STRIX B550-F GAMING ATX AM4 Motherboard $189.49 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $189.49
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Asus TUF GAMING X570-PLUS ATX AM4 Motherboard $164.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $164.99
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  

 

To name some boards, these are all decent, or the x570 tomahawk if you can find one since they're usually hard to find. 

PC: Motherboard: ASUS B550M TUF-Plus, CPU: Ryzen 3 3100, CPU Cooler: Arctic Freezer 34, GPU: GIGABYTE WindForce GTX1650S, RAM: HyperX Fury RGB 2x8GB 3200 CL16, Case, CoolerMaster MB311L ARGB, Boot Drive: 250GB MX500, Game Drive: WD Blue 1TB 7200RPM HDD.

 

Peripherals: GK61 (Optical Gateron Red) with Mistel White/Orange keycaps, Logitech G102 (Purple), BitWit Ensemble Grey Deskpad. 

 

Audio: Logitech G432, Moondrop Starfield, Mic: Razer Siren Mini (White).

 

Phone: Pixel 3a (Purple-ish).

 

Build Log: 

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  • Author
1 minute ago, TofuHaroto said:

For the board? 

If so..

  Hide contents
PCPartPicker Part List
Type Item Price
Motherboard MSI B550-A PRO ATX AM4 Motherboard $139.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $139.99
  Generated by PCPartPicker 2020-09-30 03:05 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard MSI MAG B550 TOMAHAWK ATX AM4 Motherboard $179.99 @ Amazon
  Prices include shipping, taxes, rebates, and discounts  
  Total $179.99
  Generated by PCPartPicker 2020-09-30 03:05 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Gigabyte B550 AORUS PRO ATX AM4 Motherboard $169.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $169.99
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Asus ROG STRIX B550-F GAMING ATX AM4 Motherboard $189.49 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $189.49
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  
PCPartPicker Part List
Type Item Price
Motherboard Asus TUF GAMING X570-PLUS ATX AM4 Motherboard $164.99 @ B&H
  Prices include shipping, taxes, rebates, and discounts  
  Total $164.99
  Generated by PCPartPicker 2020-09-30 03:06 EDT-0400  

 

To name some boards, these are all decent, or the x570 tomahawk if you can find one since they're usually hard to find. 

yes I meant for the board. the one available with a really good price is rog strix b550-f gaming. unfortunately i couldnt find tomahawk

so with b550-f gaming can I maxout the performance from 1 graphics card and 1 nvme with pcie 4.0?

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1 hour ago, Cyneptic said:

can I maxout the performance from 1 graphics card and 1 nvme with pcie 4.0?

Yep, assuming they are gen 4 devices, and assuming you're using the first m.2 slot and the first x16 slot (they are wired to the cpu) it'll run at gen 4.

PC: Motherboard: ASUS B550M TUF-Plus, CPU: Ryzen 3 3100, CPU Cooler: Arctic Freezer 34, GPU: GIGABYTE WindForce GTX1650S, RAM: HyperX Fury RGB 2x8GB 3200 CL16, Case, CoolerMaster MB311L ARGB, Boot Drive: 250GB MX500, Game Drive: WD Blue 1TB 7200RPM HDD.

 

Peripherals: GK61 (Optical Gateron Red) with Mistel White/Orange keycaps, Logitech G102 (Purple), BitWit Ensemble Grey Deskpad. 

 

Audio: Logitech G432, Moondrop Starfield, Mic: Razer Siren Mini (White).

 

Phone: Pixel 3a (Purple-ish).

 

Build Log: 

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2 hours ago, mariushm said:

With both B550 and x570 the pci-e x16 slot in which you normally insert a video card, and the first m.2 connector can run in pci-e 4.0 mode. 

 

The difference is in the extra 8 pci-e lanes produced by the chipset, which usually go to the bottom pci-e x16 slot (only x4 electrically) and the 2nd m.2 connector.  

On B550 chipset, these 8 pci-e lanes are pci-e 3.0, on x570 they're pci-e 4.0 lanes. 

 

B550 also doesn't need a chipset fan, x570 has chipset fan but it's pretty much only working if you have pci-e 4.0 devices connected to its chipset lanes. 

I don't think this is 100% accurate. For example, the second m.2 connector on the "gaming edge" board is only pci-e 3.0, while on the "tomahawk" it's 4.0. The question is why.

 

https://www.newegg.com/msi-mpg-x570-gaming-edge-wifi/p/N82E16813144261

https://www.newegg.com/msi-mag-x570-tomahawk-wifi/p/N82E16813144310

 

 

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10 minutes ago, mwagen said:

I don't think this is 100% accurate. For example, the second m.2 connector on the "gaming edge" board is only pci-e 3.0, while on the "tomahawk" it's 4.0. The question is why.

 

https://www.newegg.com/msi-mpg-x570-gaming-edge-wifi/p/N82E16813144261

https://www.newegg.com/msi-mag-x570-tomahawk-wifi/p/N82E16813144310

 

 

No idea why they rate it as pci-e 3.0 only. May be due to the use of that ASM1061 sata controller, I don't know. 

 

The chipset is pci-e 4.0, and has 8 pci-e 4.0 lanes... if a mobo maker decides to add a pci-e switch or multiplexer that can only do 3.0 , or for some reason derates some component on board to 3.0 only ... it's not chipset's fault. 

 

x570-chipset-block-diagram.thumb.jpg.484806bdd2e886f3b8e2e04527337eb9.jpg

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