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Comparison Sapphire Radeon RX 7900 XT PULSE vs Sapphire Radeon RX 7900 XT 21323-01-20G

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Sapphire Radeon RX 7900 XT PULSE
Sapphire Radeon RX 7900 XT 21323-01-20G
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InterfacePCI-E v4.0PCI-E v4.0
GPU
GPU modelAMD Radeon RX 7900 XTAMD Radeon RX 7900 XT
ArchitectureNavi 3X (RDNA 3)Navi 3X (RDNA 3)
Memory size20 GB20 GB
Memory typeGDDR6GDDR6
Memory bus320 bit320 bit
GPU clock speed2450 MHz2400 MHz
Memory clock20000 MHz20000 MHz
Lithography5 nm5 nm
Max. resolution7680x4320 px7680x4320 px
Passmark G3D Mark28338 score(s)28338 score(s)
Connections
HDMI21
DisplayPort22
DisplayPort versionv.2.1v.2.1
USB C1
Software
DirectX12 Ultimate12 Ultimate
OpenGL4.64.6
Stream processors53765376
General
Monitors connection44
Coolingactive (fan)active (fan)
Fans33
Power consumption331 W308 W
Additional power8 + 8 pin8 + 8 pin
Minimum PSU recommendation750 W750 W
Number of slots2.72.5
Length
313 mm /313x134x53/
276 mm /276x113x51/
Added to E-Catalogjanuary 2023december 2022

GPU clock speed

The frequency of the graphics processor of the graphics card. As a general rule, the higher the frequency of the GPU, the higher the performance of the graphics card, but this parameter is not the only one — a lot also depends on the design features of the graphics card, in particular, the type and amount of video memory (see the relevant glossary items). As a result, it is not unusual for a model with a lower processor frequency to be more performant of two video cards. In addition, it should be noted that high-frequency processors also have high heat dissipation, which requires the use of powerful cooling systems.

HDMI

The number of HDMI outputs provided by the graphics card.

HDMI is by far the most popular interface for high-definition video and multi-channel audio (it can be used for video and audio at the same time). This connector is almost standard for modern monitors, in addition, it is widely used in other types of screens — TVs, plasma panels, projectors, etc.

The presence of several outputs allows you to connect several screens to the graphics card at the same time — for example, a pair of monitors for organizing an extended workspace. However, there are never more than 2 HDMI ports in video cards — for a number of reasons, for several screens at once, in this case it is easier to use other connectors, primarily DisplayPort.

USB C

The number of USB Type C outputs provided in the graphics card.

Note that USB Type C is only a type of physical connector; specific methods of its application may be different, they should be clarified separately. However, most video cards with this feature have VR support (see below), and this connector is used in them just to connect virtual reality glasses and helmets. Another use case is somewhat less common — connecting monitors via the Thunderbolt v3 interface: this version uses a Type C hardware connector. In both cases, there is usually only one output of this type — this is quite enough.

Power consumption

Maximum power consumed by the graphics card during operation. This parameter is important for calculating the total power consumed by the entire system and selecting a power supply that provides the appropriate power.

Number of slots

The number of slots occupied by the graphics card on the back of the system unit.

This indicator allows you to estimate the amount of space required to install a video adapter. It is relevant in the light of the fact that modern video cards can have a fairly extensive set of connectors, and for this set there has long been little standard lanyard for 1 slot. This is especially true for powerful performant models. Thus, many solutions, especially mid-range and top-end ones, occupy two or even three slots at once.

Separately, it is worth touching on models for which the characteristics indicate a fractional number of slots — usually 2.5 or 2.7. This detail is provided by the manufacturer for promotional purposes — as confirmation that the graphics card is smaller than a full-fledged 3-slot solution. However, in fact there is no difference between these options: adapters for 2.5 or 2.7 slots still block the third slot (albeit partially), making it unusable.

Length

The total length of the graphics card.

In this case, the length means the size of the device from the plate with connectors (which is attached to the back wall of the system unit) to the opposite side. The plate itself and the outwardly protruding connectors are usually not taken into account.

Data on the length of the graphics card is needed primarily in order to assess whether there is enough space for it in a particular case. In addition, longer boards, usually, have more advanced characteristics (although there is no hard dependence here, and video adapters of similar class may have different lengths). As for specific values, the most compact solutions nowadays have a size of 150 – 200 mm or less ; an indicator of 200 – 250 mm can still be considered relatively small, 250 – 290 mm — medium, and many models (mostly advanced) have a length of more than 290 mm.
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