Match the XFX Radeon RX 590 Fatboy 8GB OC+
XFX uses engineering science from its Radeon RX 580 GTS Black Edition, saving the company from having to rework the Radeon RX 590 Fatboy 8GB OC+.
The new card weighs in at 1.89lb (856g). From the edge of its time slot venire to the end of its fan shroud, we measure 10.6 inches (26.8cm). The heat sink assembly is 1.7 inches (4.3cm) deep. However, you have to add another 0.2in (0.5cm) to account for the backplate. This is a true 2.5-slot card, meaning information technology takes up three expansion slots on your motherboard. A 4.8-inch (12.2cm) measurement from where the card sits in a PCIe slot to the cooler's big top edge is actually pretty long-legged, dwarfing our Founders Edition GeForce and reference Radeon RX Vega cards.
From the bottom, information technology's easy to discove that XFX's heat sink employs aluminum fins oriented horizontally. We approve, since heated air isn't pushed down pat toward your motherboard and out against a case wall. Quite, some is exhausted out the expansion slot cover.
We also catch up a glimpse of four heat pipes that sit flat terminated a copper plate and fritter away natural spring energy done the sink's fins.
Up top, there's an eight- and six-thole power connector, cluing us in that a shrink to 12nm doesn't translate to power-nest egg from Radeon RX 590. Once again, AMD's board power rating is 225W compared to Radeon RX 580's 185W specification.
XFX loads the slot bracket with five display outputs: three DisplayPort 1.4-ready connectors, HDMI 2.0, and one DVI-D larboard. Although we revalue copious connectivity, the DVI output does take up way that could have been liberated aweigh for exhaust.
With its heat sink removed, the Radeon RX 590 Fatboy 8GB OC+ looks almost identical to the Radeon RX 580 GTS Black Edition. Again, XFX uses half-dozen power phases for the GPU and one form for memory.
There are scarcely any components on the back pull, take out for two BIOS chips.
The following table lists the most important components on XFX's PCB:
| GPU Power Supply | ||
| PWM Restrainer | IR35217 International Rectifier 6+2-Phase angle | |
VRM6x IR3578 International Rectifier PowIRstage (High-root, Low-side, Schottky diode, driver)
Coils6x 40 Ultra Low Make noise Coils
Memory Power Supply Memory Modules8x MT51J256M32HF-80:B Micron 8Gb GDDR5 Module (256Mb x32) 8.0 Gb/s at 1.5V
VRM1x IR3578 International Rectifier PowIRstage (In high spirits-side, Low-side, Schottky semiconductor diode, driver)
Coils6x XL Radical Low Noise Coils
Other Components BIOS2x FM25Q02 EEPROM Dual BIOS
Dual inline package switchPrimary/subaltern BIOS
Smoothing1x 470mH scroll per 12V append connexion
Cooler and Backplate
The Hull-shaped backplate made of Acherontic aluminum makes no contact with the table and doesn't play a role in cooling. There are ventilation holes throughout, though, so at least the shell doesn't bunker heat underneath. The scale's only purpose is to look good.
Because the backplate is screwed in from the PCB's upside, the only way to remove it is disassembling the entire heat sink.
The cooler itself is a simple affair based on two 8mm and two 6mm heat pipes made of cop composite material. The pipes dissipate heat away from AMD's Polaris chip and into a fin stack that spans both ends of the PCB. Underneath them is a thin pig plate that contacts the GPU die. A small frame surrounds the scale, sandwiching spring pads between the metal and all eight storage modules.
This small thermal solution is tasked with removing as much Eastern Samoa 250W from the board underneath. It's more capable than AMD's reference Radeon RX 480, but does reach its limit under lode in a closed chassis.
| Thermal Solution At A Carom | |
| Type of Cooler | Air |
| GPU Heat Sink | Copper plateful happening heat pipes |
| Cooling Fins | Aluminum, horizontally-oriented, tight fin figure |
| Heat Pipes | 2x 8mm + 2x 6mm, atomic number 29 composite |
| VRM Cooling system | Via its have oestrus sink |
| RAM Cooling | Via physical body on warmth sink |
| Fans | 2x 9.5cm fans, 11 rotor blades each, semi-unresisting modality |
| Backplate | Aluminum backplate, no cooling social function |
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Chris Angelini is an Editor in chief Retired at Tom's Hardware United States of America. Atomic number 2 edits hardware reviews and covers high-visibility CPU and GPU launches.
Xfx Fatboy Radeon Rx 590 Overclocked Dual-fan 8gb
Source: https://www.tomshardware.com/reviews/amd-radeon-rx-590,5907-2.html
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