Asus B85 Pro Vs Asus X99-S: What Is The Difference?

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Asus B85 Pro

52points

Asus X99-S

Comparison winner

vsvs

77 facts in comparison

Asus B85 Pro vs Asus X99-SAsus B85 ProAsus X99-S

Why is Asus B85 Pro better than Asus X99-S?

Has an HDMI output?
Has integrated graphics?
2 more USB 2.0 ports?4vs2
3 more PCI slots?3vs0
1 more DVI outputs?1vs0
36 mm shorter?208 mmvs244 mm
2 more PS/2 ports?2vs0

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Why is Asus X99-S better than Asus B85 Pro?

533 MHz higher RAM speed (max)?2133 MHzvs1600 MHz
Has TPM connector?
3 more fan headers?6vs3
4 more memory slots?8vs4
32GB larger maximum memory amount?64GBvs32GB
6 more USB 3.2 Gen 1 ports (USB-A)?8vs2
7 more PCIe 3.0 x16 slots?8vs1
15 dB higher signal-to-noise ratio (SNR)?112 dBvs97 dB

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Which are the most popular comparisons?

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Price comparison

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General info

CPU socket

Unknown. Help us by suggesting a value. (Asus B85 Pro)

LGA 2011-3Asus X99-S

The CPU socket/s supported.chipset

Unknown. Help us by suggesting a value. (Asus B85 Pro)

X99

The motherboard chipset/s supported.form factor

ATX

The form factor of the motherboard.release date

Unknown. Help us by suggesting a value. (Asus B85 Pro)

Unknown. Help us by suggesting a value. (Asus X99-S)

The date the product first became available for purchase.supports Wi-Fi✖Asus B85 Pro✖Asus X99-SThe device can connect to Wi-Fi.Has Bluetooth✖Asus B85 Pro✖Asus X99-SBluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.HDMI version

Unknown. Help us by suggesting a value. (Asus B85 Pro)

∅

Asus X99-S: Not applicable

Newer versions of HDMI support higher bandwidth, which allows for higher resolutions and frame rates.Easy to overclock

Unknown. Help us by suggesting a value. (Asus B85 Pro)

✖Asus X99-SOverclocking your system is normally quite a complicated procedure, but some manufacturers provide a button or a program where one click will automatically overclock your computer, giving you increased performance.has RGB lighting

Unknown. Help us by suggesting a value. (Asus B85 Pro)

✖Asus X99-SRGB lighting allows you to choose between millions of colors and customize the look of your PC components and peripherals.+ Show more +

Memory

maximum memory amount

32GB

64GB

The maximum amount of memory (RAM) supported.RAM speed (max)

1600 MHz

2133 MHz

The maximum speed of RAM that is supported by the motherboard.overclocked RAM speed

Unknown. Help us by suggesting a value. (Asus B85 Pro)

3200 MHz

The motherboard supports overclocking the RAM to a higher speed. By increasing the speed at which the memory runs, you can boost the performance of your computer.memory slots

More memory slots (also known as DIMM slots) allow you to add more RAM to your computer. It is also useful when upgrading, as you can add RAM to an empty slot instead of replacing an existing memory module.DDR memory version

Unknown. Help us by suggesting a value. (Asus B85 Pro)

DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.memory channels

More memory channels increases the speed of data transfer between the memory and the CPU.Supports ECC memory✖Asus B85 Pro✖Asus X99-SError-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.

Ports

USB 3.2 Gen 2 ports (USB-A)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

USB 3.2 Gen 2 supports speeds of up to 10Gbps. It was formerly known as USB 3.1 Gen 2. These ports use the older USB-A connector.USB 3.2 Gen 1 ports (USB-A)

USB 3.2 Gen 1 supports speeds of up to 5Gbps. It was formerly known as USB 3.1 Gen 1 and USB 3.0. These ports use the older USB-A connector.USB 3.2 Gen 2 ports (USB-C)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

USB 3.2 Gen 2 supports speeds of up to 10Gbps. It was formerly known as USB 3.1 Gen 2. These ports use the USB-C connector.USB 3.2 Gen 1 ports (USB-C)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

USB 3.2 Gen 1 supports speeds of up to 5Gbps. It was formerly known as USB 3.1 Gen 1 and USB 3.0. These ports use the USB-C connector.USB 2.0 ports

More USB 2.0 ports allow you to connect more devices to your computer that support USB 2.0.USB 3.2 Gen 2x2 ports

Unknown. Help us by suggesting a value. (Asus B85 Pro)

USB 3.2 Gen 2x2 was introduced in 2019. It supports speeds of up to 20Gbps and uses the USB-C connector.USB 4 40Gbps ports

Unknown. Help us by suggesting a value. (Asus B85 Pro)

This version of USB 4 supports very high speeds of up to 40Gbps. Unlike USB 3.2, USB 4 can dynamically allocate bandwidth to video and data. These ports use the USB-C connector.USB 4 20Gbps ports

Unknown. Help us by suggesting a value. (Asus B85 Pro)

This version of USB 4 supports speeds of up to 20Gbps. Unlike USB 3.2, USB 4 can dynamically allocate bandwidth to video and data. These ports use the USB-C connector.Thunderbolt 4 ports

Unknown. Help us by suggesting a value. (Asus B85 Pro)

The number of USB ports that are compatible with Thunderbolt 4. These ports support a total bandwidth of up to 40 Gbps. This guarantees that it can support two 4K (60 Hz) displays or one 8K (30 Hz) display.+ Show more +

Connectors

USB 3.2 Gen 1 ports (through expansion)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

The number of USB 3.2 Gen 1 ports that can be added by using the USB headers (connectors) on the motherboard.USB 3.2 Gen 2 ports (through expansion)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

Unknown. Help us by suggesting a value. (Asus X99-S)

The number of USB 3.2 Gen 2 ports that can be added by using the USB headers (connectors) on the motherboard.USB 3.2 Gen 2x2 ports (through expansion)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

Unknown. Help us by suggesting a value. (Asus X99-S)

The number of USB 3.2 Gen 2x2 ports that can be added by using the USB headers (connectors) on the motherboard.USB-C 3.2 Gen 2 ports (through expansion)

Unknown. Help us by suggesting a value. (Asus B85 Pro)

Unknown. Help us by suggesting a value. (Asus X99-S)

The number of USB-C 3.2 Gen 2 ports that can be added by using the USB headers (connectors) on the motherboard.USB 2.0 ports (through expansion)

The number of USB 2.0 ports that can be added by using the USB headers (connectors) on the motherboard.SATA 3 connectors

SATA is an interface used to connect mass storage devices such as hard drives and Blu-ray drives. SATA 3 has a native transfer rate of 6 Gbit/s, which is twice as fast as SATA 2, the previous revision. This is particularly useful if you use an SSD as it can perform at higher speeds.fan headers

Fan headers are connection points on the motherboard that cooling fans can be connected to. Fans can also be connected straight to the power supply, but when connected to the motherboard you gain much finer control over them through software.USB 3.0 ports (through expansion)

The motherboard has USB 3.0 headers, which are pin connections that you can connect additional USB ports to.M.2 sockets

Unknown. Help us by suggesting a value. (Asus B85 Pro)

M.2 is an interface used to connect different types of devices, mainly mass storage devices like M.2 SSDs. It is a revision of mSATA and can support much higher data transfer rates.+ Show more +

Expansion slots

PCIe 4.0 x16 slots

Unknown. Help us by suggesting a value. (Asus B85 Pro)

PCIe slots allow you to connect various components to the motherboard, such as graphics cards and SSDs. The number of data-transmission lanes (specified by the number after the 'x') determines the data transfer rate. PCIe 4.0 provides a 16 GT/s bit rate that doubles the bandwidth provided by PCIe 3.0.PCIe 5.0 x16 slots

Unknown. Help us by suggesting a value. (Asus B85 Pro)

PCIe slots allow you to connect various components to the motherboard, such as graphics cards and sound cards. The number after the 'x' represents the number of lanes, with more lanes supporting higher data transfer rates. PCI Express 3.0 has a bit rate of 8 GT/s, delivering 985 MB/s per lane.PCIe x1 slots

Unknown. Help us by suggesting a value. (Asus X99-S)

Using PCIe slots, you can connect different components to your motherboard, such as graphics cards and RAID cards. The number after the 'x' represents the number of data-transmission lanes. More lanes result in faster data transfer rates. A PCIe x1 slot has one lane and can move data at one bit per cycle.PCI slots

PCI slots allow you to connect peripherals to the motherboard, most commonly graphics cards but also others such as sound cards and network cards. PCI has been superseded by PCI Express which offers faster data transfer rates, but many cards today still use PCI.PCIe 2.0 x16 slots

PCIe slots allow you to connect graphics cards, SSDs, and other components to the motherboard. The number after the 'x' represents the number of lanes, with more lanes supporting higher data transfer rates. PCI Express 2.0 has a transfer rate of 5 GT/s, providing 500 MB/s per lane.PCIe x4 slots

Unknown. Help us by suggesting a value. (Asus X99-S)

PCIe slots enable you to connect various components to your motherboard, for example, graphics cards, RAID cards, SSDs. The number of data-transmission lanes (specified by the number following 'x') determines the data transfer rate. A PCIe x4 slot has 4 lanes, with a speed of 4 bits per cycle.PCIe x8 slots

PCIe slots allow you to connect components such as graphics cards and sound cards to the motherboard. The number after the 'x' represents the number of data-transmission lanes. More lanes result in faster data transfer rates. A PCIe x8 slot has 8 lanes and can move data at 8 bit per cycle.

Audio

Signal-to-Noise ratio (DAC)

97 dB

112 dB

When a digital signal is converted to an analog one (for example when playing audio through speakers or headphones), a certain amount of noise is carried in the signal. A higher SNR means that there is less noise and the audio quality is better.audio channels

Each channel is a separate stream of audio information. More channels can provide a more realistic experience, such as providing surround sound.Has S/PDIF Out port✖Asus B85 Pro✔Asus X99-SS/PDIF is an interface used to transmit digital audio with high fidelity.audio connectors

More connectors means that more audio devices such as speakers or microphones can be connected.

Storage

Supports RAID 1✖Asus B85 Pro✔Asus X99-SRAID is a storage technology that combines multiple disks into one unit. RAID 1 mirrors the data across the drives. This gives you greater data security as if one drive fails, the data will still be accessible from another.Supports RAID 10 (1+0)✖Asus B85 Pro✔Asus X99-SRAID is a storage technology that combines multiple disks into one unit. RAID 10 (1+0) stripes and mirrors the data across the drives. It gives increased capacity and performance compared to a single disk. It also provides greater data security as if one drive fails, the data will still be accessible from another.Supports RAID 5✖Asus B85 Pro✔Asus X99-SRAID is a storage technology that combines multiple disks into one unit. RAID 5 stripes the data across the drives, giving increased performance compared to a single disk. It also provides greater data security as if one drive fails, the data will still be accessible from another due to the use of parity.Supports RAID 0✖Asus B85 Pro✔Asus X99-SRAID is a storage technology that combines multiple disks into one unit. RAID 0 stripes the data across the drives, giving increased performance and capacity compared to a single drive. The drawback is that if one drive fails, you lose the data on all drives.Supports RAID 0+1✖Asus B85 Pro✖Asus X99-SRAID is a storage technology that combines multiple disks into one unit. RAID 0+1 stripes and mirrors the data across the drives. This gives increased capacity and performance compared to a single disk. It also provides greater data security in case one drive fails, as the data will still be accessible from another.

Miscellaneous

Thunderbolt ports

Thunderbolt is a connection that allows you to attach external peripherals to a computer, and can carry both data and display signals. Using a single port you can connect up to six devices through a hub or daisy chain configuration.