AMD’s specifications list the RX 570 (OEM) at 150 W typical desktop board power and a 450 W minimum PSU recommendation. For the RX 580, AMD lists 185 W typical board power and a 500 W minimum PSU recommendation. These are not the same kind of figure: board power describes the graphics card, while PSU wattage is guidance for the whole system. Check the exact card model’s specifications and power connector before choosing or reusing a supply.
RX 570 vs. RX 580 power and PSU requirements
The figures below come from AMD’s current product support specifications and two specific MSI partner-card pages. They are manufacturer-listed specifications, not independent measurements or a guarantee that every PC with a PSU of the listed capacity will be suitable.
| Card reference | Listed card power | PSU guidance | Connector and qualification |
|---|---|---|---|
| AMD Radeon RX 570 (OEM) | 150 W typical desktop board power | 450 W minimum PSU | Connector not stated on the cited AMD page; reference is labeled OEM. |
| AMD Radeon RX 580 | 185 W typical desktop board power | 500 W minimum PSU | Connector not stated on the cited AMD page. |
| MSI RX 570 Gaming 4G | 120 W power consumption | 450 W recommended PSU | One 8-pin power connector; this is a specific MSI model. |
| MSI RX 580 8G | 185 W power consumption | 500 W recommended PSU | One 8-pin power connector; this is a specific MSI model. |
Subtracting AMD’s listed typical figures gives a 35 W difference (185 W minus 150 W). That is a comparison of AMD’s specifications, not a measured difference in every game or between every RX 570 and RX 580 design. The MSI RX 570 Gaming 4G, for example, lists 120 W, whereas AMD’s RX 570 (OEM) page lists 150 W. MSI cautions that specifications can vary by model and market.
What the wattage numbers mean
Card power is not PSU capacity
A typical board-power or card-power figure describes the graphics card’s listed power use. A 450 W or 500 W recommendation is guidance for the power supply serving the entire computer; it does not mean the GPU alone consumes that much. The two types of numbers should not be treated as interchangeable.
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- 【Ultimate Triple Display Connectivity】: Features a versatile output array including HDMI, DisplayPort (DP), and DVI. Whether you're connecting a high-refresh-rate gaming monitor via DP or a standard office screen via HDMI, this card supports triple-monitor setups for maximum productivity.
- 【Compact Size & Wide Compatibility】: Measuring 240x135x45mm (9.45x5.31x1.77 inches), this dual-fan RX 580 fits perfectly into standard ATX Mid-Towers, Micro-ATX (M-ATX), ideal for compact desktop PC upgrades and space-saving gaming builds.
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- 【Advanced Thermal Management】: Engineered with a dual-fan cooling system and high-efficiency heat pipes to ensure stable performance under heavy loads. The intelligent fan control keeps your system quiet during light office work and provides maximum airflow during intense gaming sessions.
- 【Ready for Content Creation】: Supports DirectX 12, Vulkan, and OpenGL 4.6, making it more than just a gaming card. It provides hardware acceleration for video editing in Premiere Pro, 3D rendering in Blender, and smooth streaming for aspiring creators.
A recommendation is not a universal system guarantee
The cited manufacturer pages state PSU recommendations, but they do not provide a component-by-component sizing formula or guarantee for every system. The processor, other components, PSU condition and available power connections are part of the whole-system decision. Use the recommendation for the exact graphics-card model as a starting point, then check that the PSU and the rest of the PC are suitable.
What PSU wattage should you get for an RX 570?
AMD lists a 450 W minimum PSU recommendation for its RX 570 (OEM), and MSI recommends 450 W for its RX 570 Gaming 4G. Those figures support using 450 W as the cited guidance for those references—not as a rule for every RX 570. Confirm the label and documentation for the card you own or plan to buy, especially if it is a factory-overclocked or otherwise different partner model.
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- The XFX RX 580 series graphics card feature the latest Polaris architecture which includes the 4th gen GCN graphics cores, a brand new display engine, new multimedia cores, all on the revolutionary next finfet 14 process technology for enhanced performance and efficiency
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- Multiple factory GPU overclocked settings - 1366 MHz true clock and 1386 MHz OC
- AMD VR ready premium - Experience the new generation of compelling virtual reality content with the Radeon RX GTS graphics card paired with the leading VR headsets. The Radeon RX GTS graphics card coupled with AMD LiquidVR technology delivers a virtually stutter-free, low latency experience, essential for remarkable virtual reality environments
What PSU wattage should you get for an RX 580?
AMD lists a 500 W minimum PSU recommendation for the RX 580, and MSI recommends 500 W for its RX 580 8G. Follow the exact card maker’s recommendation rather than assuming every RX 580 uses identical power or has identical system requirements.
Quick Recap
Best Value
- 【Powerful RX 580 2048SP Performance】Powered by the AMD Radeon RX 580 2048SP GPU with 8GB GDDR5 256-bit memory and up to 1244MHz core clock, delivering smooth gameplay, multimedia performance, and efficient graphics processing for work and entertainment.
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- 【Efficient Cooling & Stable Operation】Equipped with a temperature-controlled single cooling fan for reliable heat dissipation and quiet operation during long gaming sessions or continuous multi-display workloads.
Rank #4
- 【Ultimate Triple Display Connectivity】: Features a versatile output array including HDMI, DisplayPort (DP), and DVI. Whether you're connecting a high-refresh-rate gaming monitor via DP or a standard office screen via HDMI, this card supports triple-monitor setups for maximum productivity.
- 【Compact Size & Wide Compatibility】: Measuring 240x135x45mm (9.45x5.31x1.77 inches), this dual-fan RX 580 fits perfectly into standard ATX Mid-Towers, Micro-ATX (M-ATX), ideal for compact desktop PC upgrades and space-saving gaming builds.
- 【Optimized Gaming Performance】: With 2048 Stream Processors and a 1206 MHz core clock, this card delivers solid frame rates in popular titles like Fortnite, GTA V, Apex Legends, and Valorant. It’s the ideal budget-friendly GPU for entry-level to mid-range gaming rigs.
- 【Advanced Thermal Management】: Engineered with a dual-fan cooling system and high-efficiency heat pipes to ensure stable performance under heavy loads. The intelligent fan control keeps your system quiet during light office work and provides maximum airflow during intense gaming sessions.
- 【Ready for Content Creation】: Supports DirectX 12, Vulkan, and OpenGL 4.6, making it more than just a gaming card. It provides hardware acceleration for video editing in Premiere Pro, 3D rendering in Blender, and smooth streaming for aspiring creators.
Rank #3
- Chipset: AMD Radeon RX 580, GPU Chip: Ellesmere, Video Memory: 8 GB GDDR5, GPU Clock: 1284 MHz, Output: HDMI x 1/ DisplayPort x 2
- Experience the next level of immersion in the world of VR gaming and entertainment with Radeon RX graphics cards equipped with revolutionary Polaris architecture. A new display engine and new multimedia cores, all in the next revolutionary FinFET 14nm process technology for improved performance and efficiency.
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- PCIe 3.0: The 51risc RX580 graphics game card uses PCI Express 3.0 graphics slot, plug and play, easy to use, good performance, also with 2048 flow processor chip, durable and practical, has a long service life.
- What you get: 1x RX 580 8GB graphics card, 1x User manual, 2-Year Limited warranty, professional after-sale service.
Check the power connector before installing
- Identify the exact card. Read the full manufacturer and model name from the card label, product listing or documentation; “RX 570” or “RX 580” alone may not identify its specific power requirements.
- Open that model’s specification page. Find its recommended PSU capacity and PCIe power connector requirements. Do not assume the connector listed for a different model applies to yours.
- Inspect the PSU’s available PCIe cable. Make sure it has the connector the card requires. The two MSI examples in the table each specify one 8-pin connector; that does not establish the connector for all cards in either family.
- Check the complete PC configuration. A PSU recommendation is system-level guidance. Verify the supply is appropriate for the other components as well as the graphics card before installing.
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