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A quick look at 25+ motherboards



One of Computex's secondary stories was that AMD and its partners wanted to launch a new generation of mid-range chipsets and motherboards with the new lower performing version of the chipset. The B450 chipset is the direct successor to the B350 with lower performance and features such as Precision Boost 2, XFR2 and StoreMI support. The planned release of more than 25 motherboard models will certainly bring variety to the market and we'll take a quick look at all boards before launching vendors like MSI, ASRock, ASUS and GIGABYTE.

What's New in the B450 Chipset

The new B450 chipset complements the Ryzen 2000 Series processors, with AMD considering its current midrange and high-end components. The B450 chipset is a cheaper entry into the ecosystem, even for users who want to pick up and overclock the eight-core Ryzen 2700X ($ 329) and Ryzen 2600X ($ 229) hexadecimal units.

Like the already The B450 chipset is the direct successor of the earlier generation B350 chipset. Not much has changed in terms of USB connectivity, storage options and PCI lanes, but AMD has added some new technologies to increase the attractiveness of the new budget-oriented chipset.

AMD AM4 chipsets [19659006] DDR4 OC USB SATA PCIe
2.0
GPU XFR2
PB2
StoreMI TDP RAID
SATA
RAID
NVMe
3.1 3.0 2.0
X470 2933 Y 2 6 6 6 8 x8 / x8 Y Y 4.8 W 0.1.10
X370 2667 Y 2 6 6 [19659021] 6 8 x8 / x8 N ** N ^ 6.8 W 0.1.10
B450 2667+ Y 2 2 6 6 * 6 x16 Y Y 4.8 W 0.1.10 [19659021] B350 2667 Y 2 2 6 4 6 x16 N ** N ^ 6 , 8 W 0, 1.10
A320 2667 N 1 2 6 4 4 x16 N ** N ^ 6,8W 0,1,10
Embedded
X300 266 7 Y 0 4 0 2 [19659022] 4 x8 / x8 [19659022] N N 0.1 [19659021] –
B300 2667 N 0 4 0 2 [19659022] 4 x16 N N [ 0.1
A300 2667 N 0 4 [19659022] 2 4 x16 N [19659021] N 0.1

* possibly four, double check with AMD
** May be possible with BIOS updates, motherboard will be dependent
^ Can be Enabled with Certain CPUs When Purchasing a License

While the specifications on the surface make the B450 seem like a copy of the B350 chipset, as they have native support for the same USB configuration, the same SATA Configuration, support for a single M.2 PCIe 3.0 x4 / SATA port and six PCI lanes for PCIe 2.0 slots. Both of them also support the same PCIe 3.0 branch, which offers a single PCIe 3.0 x16 slot and focuses these systems on a single GPU.

Lower Power and StoreMI for all (on B450 and X470)

How to jump From the X370 to the X470 chipset, the B350 to B450 are characterized by lower power consumption – the B450 chipset has an integrated controller lower power consumption, which reduces the idle power by just under 2 W from 6.8 W to 4.8 W. 19659134] Another great feature is the memory technology of StoreMI from AMD, which is not necessarily a supplement to the chipset itself, but is activated via B450. This allows users to unify the various memories in their system to find the best arrangement for the fastest access to data. Storymi technology is further illustrated in our Ryzen 2700X, 2700, 2600X and 2600 processor reviews.

Precision Boost 2: No Turbo Tables anymore

One of the biggest changes related to the Ryzen 2000 series is how The Processor implements its turbo. Up to this point (with the exception of the last APU boot), processors have relied on a step-function implementation: The system determines how many threads to load, tries to implement a specific frequency for those cores, and then follows the look-up table Connect threads to the frequency. AMD's goal in Precision Boost 2 is to make this process more dynamic.

This image from AMD shows how the feature is rendered: The system will determine how much of the power budget is still available, and turbo as much as possible will hit one of the limiting factors. These factors may include but not limited to:

  1. total chip peak power
  2. individual core voltage / frequency response
  3. thermal interactions between adjacent cores
  4. power supply limitations for individual cores / groups of cores
  5. overall thermal power

Extended frequency range 2 (XFR2): cooler = faster, right?

The following analysis on XFR2 comes from our previous AMD Ryzen 2700X, 2700, 2600X and 2600 test

For the Ryzen 2000 series, AMD has changed what XFR does. In the previous generation, it was used on certain processors to allow them to raise above the maximum turbo frequency when the thermal situation was conducive to higher frequencies and higher voltages in low thread counts. For this generation, it still refers to thermal, but the definition applies to any nuclear charge: if the CPU is below 60ºC, the processor can boot, no matter what the charge is over the frequency of Precision Boost 2 (so why not get better ) PB2 implementation?). However, the core still has to be in a suitable voltage / frequency window to maintain stability.

Both Precision Boost 2 and Extended Frequency Range 2 are supported on B450

Other AnandTech Ryzen Coverage

Motherboards in this Review

  1. ASRock B450 Gaming K4
  2. ASRock B450 Gaming ITX / ac
  3. ASRock B450 Pro4
  4. ASRock B450M Pro4
  5. ASRock B450M-HDV
  6. ASUS Strix B450-F Gaming
  7. ASUS Strix B450 -I Gaming
  8. ASUS TUF B450 Plus Game
  9. ASUS TUF B450M Plus game
  10. ASUS Prime B450-Plus
  11. GIGABYTE B450 Aorus M
  12. GIGABYTE B450 Aorus
  13. GIGABYTE B450 Aorus
  14. GIGABYTE B450 Aorus Pro
  15. GIGABYTE B450 Aorus Pro
  16. MSI B450M Gaming Plus
  17. MSI B450M Gaming Plus
  18. MSI B450 Gaming Plus
  19. MSI B450 Gaming Plus AC
  20. MSI B450 Tomahawk
  21. MSI B450M Bazooka
  22. MSI B450M Bazooka Plus [19659139] MSI B450M Mortar
  23. MSI B450M Mortar Titan
  24. MSI B450-A Pro
  25. MSI B450M Pro -M2
  26. MSI B450M Pro-VDH
  27. Choosing the right B450 motherboard

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