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Comparison MSI MAG Z790 TOMAHAWK WIFI DDR5 vs MSI MPG Z790 CARBON WIFI

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MSI MAG Z790 TOMAHAWK WIFI DDR5
MSI MPG Z790 CARBON WIFI
MSI MAG Z790 TOMAHAWK WIFI DDR5MSI MPG Z790 CARBON WIFI
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Main
Power supply circuit 16+1+1 (total 18 phases, 16 on VCore, 1 on iGPU and 1 on VCCIO). Superferrite choke and RAA 220075RO MOSFET from Renesas at 75A for the integrated graphics core, ISL99390 (90A, Renesas) for VCore and MP87670 from Monolithic PS for VCCIO at 70A.
Featuresgaming for overclockinggaming for overclocking
SocketIntel LGA 1700Intel LGA 1700
Form factorATXATX
Power phases
18 /16+1+1/
21 /19+1+1/
VRM heatsink
Heat pipes
POST encoder
LED lighting
Lighting syncMSI Mystic Light Sync
Size (HxW)305x244 mm305x244 mm
Chipset
ChipsetIntel Z790Intel Z790
BIOSAmiAmi
UEFI BIOS
RAM
DDR54 slot(s)4 slot(s)
Memory moduleDIMMDIMM
Operation mode2 channel2 channel
Max. clock frequency7200 MHz7600 MHz
Max. memory192 GB192 GB
XMP
Drive interface
SATA 3 (6Gbps)76
M.2 connector45
M.21xSATA/PCI-E 4x, 3xPCI-E 4x1xSATA/PCI-E 4x, 4xPCI-E 4x
M.2 version4x4.01x5.0, 4x4.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
1x PCI-E slots11
PCI-E 16x slots22
PCI Modes16x/4x16x/4x
PCI Express5.05.0
Steel PCI-E connectors
Internal connections
TPM connector
USB 2.022
USB 3.2 gen111
USB C 3.2 gen21
USB C 3.2 gen2x21
Thunderbolt AIC connectorv3 1 pcs
ARGB LED strip32
RGB LED strip11
Video outputs
HDMI output
HDMI versionv.2.1v.2.1
DisplayPort
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek ALC4080Realtek ALC4080
Sound (channels)7.17.1
Optical S/P-DIF
Network interfaces
Wi-Fi
Wi-Fi 6E (802.11ax) /Intel AX-211NGW/
Wi-Fi 6E (802.11ax)
BluetoothBluetooth v 5.3Bluetooth v 5.2
LAN (RJ-45)2.5 Gbps2.5 Gbps
LAN ports11
LAN controllerIntel i225-VIntel
External connections
USB 3.2 gen142
USB 3.2 gen246
USB C 3.2 gen211
USB C 3.2 gen2x211
BIOS FlashBack
Clear CMOS
Power connectors
Main power socket24 pin24 pin
CPU power8+8 pin8+8 pin
Fan power connectors87
CPU Fan 4-pin11
CPU/Water Pump Fan 4-pin11
Chassis/Water Pump Fan 4-pin65
Added to E-Catalogoctober 2022october 2022

Power phases

The number of processor power phases provided on the motherboard.

Very simplistically, phases can be described as electronic blocks of a special design, through which power is supplied to the processor. The task of such blocks is to optimize this power, in particular, to minimize power surges when the load on the processor changes. In general, the more phases, the lower the load on each of them, the more stable the power supply and the more durable the electronics of the board. And the more powerful the CPU and the more cores it has, the more phases it needs; this number increases even more if the processor is planned to be overclocked. For example, for a conventional quad-core chip, only four phases are often enough, and for an overclocked one, at least eight may be needed. It is because of this that powerful processors can have problems when used on inexpensive low-phase motherboards.

Detailed recommendations on choosing the number of phases for specific CPU series and models can be found in special sources (including the documentation for CPU itself). Here we note that with numerous phases on the motherboard (more than 8), some of them can be virtual. To do this, real electronic blocks are supplemented with doublers or even triplers, which, formally, increases the number of phases: for example, 12 claimed phases can represent 6 physical blocks with doublers. However, virtual phases are much inferior to real ones in terms of capabilities — in fact, t...hey are just additions that slightly improve the characteristics of real phases. So, let's say, in our example, it is more correct to speak not about twelve, but only about six (though improved) phases. These nuances must be specified when choosing a motherboard.

Heat pipes

The heat pipe is a hermetically sealed structure containing a low-boiling liquid. When one end of the tube is heated, this liquid evaporates and condenses at the other end, thus removing heat from the heating source and transferring it to the radiator. Such devices are simple and at the same time effective, so they can be easily used as an addition to radiators.

POST encoder

Standard digital indication system for displaying POST codes for motherboard initialization. Thanks to the POST encoder, you can easily determine which component has a problem.

LED lighting

The presence of its own LED backlight on the motherboard. This feature does not affect the functionality of the "motherboard", but gives it an unusual appearance. Therefore, it hardly makes sense for an ordinary user to specifically look for such a model (a motherboard without backlighting is enough for him), but for modding lovers, backlighting can be very useful.

LED backlighting can take the form of individual lights or LED strips, come in different colours (sometimes with a choice of colours) and support additional effects — flashing, flickering, synchronization with other components (see "Lightning synchronization"), etc. Specific features depend on the motherboard model.

Lighting sync

Synchronization technology provided in the board with LED backlight (see above).

Synchronization itself allows you to "match" the backlight of the motherboard with the backlight of other system components — cases, video cards, keyboards, mice, etc. Thanks to this matching, all components can change colour synchronously, turn on / off at the same time, etc. Specific features the operation of such backlighting depends on the synchronization technology used, and, usually, each manufacturer has its own (Mystic Light Sync for MSI, RGB Fusion for Gigabyte, etc.). The compatibility of the components also depends on this: they must all support the same technology. So the easiest way to achieve backlight compatibility is to collect components from the same manufacturer.

Max. clock frequency

The maximum RAM clock speed supported by the motherboard. The actual clock frequency of the installed RAM modules should not exceed this indicator — otherwise, malfunctions are possible, and the capabilities of the “RAM” cannot be used to the fullest.

For modern PCs, a RAM frequency of 1500 – 2000 MHz or less is considered very low, 2000 – 2500 MHz is modest, 2500 – 3000 MHz is average, 3000 – 3500 MHz is above average, and the most advanced boards can support frequencies of 3500 – 4000 MHz and even more than 4000 MHz.

SATA 3 (6Gbps)

Number of SATA 3 ports on the motherboard.

SATA is now the standard interface for connecting internal drives (mainly HDDs) and optical drives. One device is connected to one such connector, so the number of SATA ports corresponds to the number of internal drives / drives that can be connected to the motherboard through such an interface. A large number ( 6 SATA ports and more) is necessary in case of active use of several hard drives and other peripherals. For domestic use, 4 is enough. SATA 3, as the name suggests, is the third version of this interface, operating at a total speed of about 6 Gbps; the useful speed, taking into account the redundancy of the transmitted data, is about 4.8 Mbps (600 MB / s) — that is, twice as much as in SATA 2.

Note that different SATA standards are quite compatible with each other in both directions: older drives can be connected to newer ports, and vice versa. The only thing is that the data transfer rate will be limited by the capabilities of the slower version, and in some cases it may be necessary to reconfigure the drives with hardware (switches, jumpers) or software. It is also worth saying that SATA 3 is the newest and most advanced variation of SATA today, but the capabilities of this standard are not enough to unlock the full potential of high-speed SSDs. Therefore, SATA 3 is mainly used for hard drives and low-cost SSDs, faster drives are conn...ected to specially designed connectors like M.2 or U.2 (see below).

M.2 connector

The number of M.2 connectors provided in the design of the motherboard. There are motherboards for 1 M.2 connector, for 2 connectors, for 3 connectors or more.

The M.2 connector is designed to connect advanced internal devices in a miniature form factor — in particular, high-speed SSD drives, as well as expansion cards like Wi-Fi and Bluetooth modules. However, connectors designed to connect only peripherals (Key E) are not included in this number. Nowadays, this is one of the most modern and advanced ways to connect components. But note that different interfaces can be implemented through this connector — SATA or PCI-E, and not necessarily both at once. See "M.2 interface" for details; here we note that SATA has a low speed and is used mainly for low-cost drives, while PCI-E is used for advanced solid-state modules and is also suitable for other types of internal peripherals.

Accordingly, the number of M.2 is the number of components of this format that can be simultaneously connected to the motherboard. At the same time, many modern boards, especially mid-range and top-end ones, are equipped with two or more M.2 connectors, and moreover, with PCI-E support.

M.2

Electrical (logical) interfaces implemented through physical M.2 connectors on the motherboard.

See above for more details on such connectors. Here we note that they can work with two types of interfaces:
  • SATA is a standard originally created for hard drives. M.2 usually supports the newest version, SATA 3; however, even it is noticeably inferior to PCI-E in terms of speed (600 MB / s) and functionality (only drives);
  • PCI-E is the most common modern interface for connecting internal peripherals (otherwise NVMe). Suitable for both expansion cards (such as wireless adapters) and drives, while PCI-E speeds allow you to fully realize the potential of modern SSDs. The maximum communication speed depends on the version of this interface and on the number of lines. In modern M.2 connectors, you can find PCI-E versions 3.0 and 4.0, with speeds of about 1 GB / s and 2 GB / s per lane, respectively; and the number of lanes can be 1, 2 or 4 (PCI-E 1x, 2x and 4x respectively)
Specifically, the M.2 interface in the characteristics of motherboards is indicated by the number of connectors themselves and by the type of interfaces provided for in each of them. For example, the entry "3xSATA / PCI-E 4x" means three connectors that can work both in SATA format and in PCI-E 4x format; and the designation "1xSATA / PCI-E 4x, 1xPCI-E 2x" means two connectors, one of which works as SATA or PCI-E 4x, and the second — only as PCI-E 2x.
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