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Compare · 2 products compared

Intel Arc B580vsAMD Radeon RX 7800 XT

The Intel Arc B580 and the AMD Radeon RX 7800 XT share PCIe 4.0 interfaces and support modern display standards. Choosing between them comes down to a trade-off between launch price and raw memory performance.

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Intro

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Best for

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Biggest differences

  • Launch price

    Intel Arc B580 leads

    2×

    lower is better

    • Intel Arc B580249 USD
    • AMD Radeon RX 7800 XT499 USD

  • PCIe lanes

    AMD Radeon RX 7800 XT leads

    2×

    higher is better

    • Intel Arc B5808 lanes
    • AMD Radeon RX 7800 XT16 lanes

  • Last-level cache

    AMD Radeon RX 7800 XT leads

    3.56×

    higher is better

    • Intel Arc B58018 MB
    • AMD Radeon RX 7800 XT64 MB

  • Shader cores

    AMD Radeon RX 7800 XT leads

    +50%

    higher is better

    • Intel Arc B5802,560 cores
    • AMD Radeon RX 7800 XT3,840 cores

Where each one wins

  • Intel Arc B580

    • Launch price
    • Boost clock
    • Board power
    • Recommended PSU
    • Slot width

  • AMD Radeon RX 7800 XT

    • Shader cores
    • Video memory
    • Memory bus width
    • Memory bandwidth
    • Memory speed
    • Last-level cache
    • PCIe lanes
    • HDMI version
    • Card length

What both have

  • Memory typeGddr6
  • Power connectors8-pin
  • PCIe version4.0
  • DisplayPort version2.1
  • HDMI outputs1 ports
  • DisplayPort outputs3 ports
  • Max displays4 displays
  • Hardware encodeH.264, HEVC, AV1

Every spec

Red marks the better value in each row.

SpecIntel Arc B580AMD Radeon RX 7800 XT
Overview

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Overview specs

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Release date2024-122023-09
Launch price249 USD499 USD
Graphics chip

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Graphics chip specs

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ArchitectureXe2Rdna 3
Shader cores2,560 cores3,840 cores
Boost clock2,670 MHz2,430 MHz
Base clockNot published1,295 MHz
FP32 computeNot published37.3 TFLOPS
Memory

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Memory specs

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Video memory12 GB16 GB
Memory typeGddr6Gddr6
Memory bus width192 bit256 bit
Memory bandwidth456 GB/s624 GB/s
Memory speed19 Gbps19.5 Gbps
Last-level cache18 MB64 MB
Power

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Power specs

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Board power190 W263 W
Recommended PSU600 W700 W
Power connectors8-pin8-pin
Interface

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Interface specs

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PCIe version4.04.0
PCIe lanes8 lanes16 lanes
Display outputs

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Display outputs specs

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HDMI version2.12.1a1
DisplayPort version2.122.13
HDMI outputs1 ports1 ports
DisplayPort outputs3 ports3 ports
Max displays4 displays4 displays
Video engine

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Video engine specs

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Hardware encodeH.264, HEVC, AV14H.264, HEVC, AV1
Video encoders2 encodersNot published
Size

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Size specs

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Card length272 mm267 mm
Card height115 mm5Not published
Slot width2 slots2.5 slots
Notes on 5 values — test conditions and caveats
  1. 1AMD Radeon RX 7800 XT, HDMI version: AMD's spec page lists HDMI 2.1; its own press release and Notebookcheck state HDMI 2.1a.
  2. 2Intel Arc B580, DisplayPort version: Intel rates the DisplayPort outputs at DP 2.1 up to UHBR 13.5 (second output listed at UHBR 10).
  3. 3AMD Radeon RX 7800 XT, DisplayPort version: Notebookcheck lists the DisplayPort 2.1 link rate as UHBR13.5; AMD notes DP 2.1 support depends on AIB designs.
  4. 4Intel Arc B580, Hardware encode: Intel's spec table also lists H.264 and H.265 (HEVC) hardware encode as Yes.
  5. 5Intel Arc B580, Card height: Intel publishes this dimension as the card's 'Width' (115 mm) alongside the 272 mm length.

Price and Value

The Intel B580 costs $249 at launch, making it much more affordable than the Radeon RX 7800 XT at $499. Buyers on a strict budget get a capable entry point without overspending.

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Price and Value

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Memory and Performance

The Radeon RX 7800 XT packs 16 GB of video memory and a 256-bit bus width. This setup delivers 624 GB/s of memory bandwidth to handle demanding high-resolution graphics workloads.

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Memory and Performance

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Power and System Requirements

The Intel B580 draws 190 W and requires a 600 W power supply. The AMD card demands a heavier 700 W power supply to support its 263 W board power.

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Power and System Requirements

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The Verdict

Buy the Intel Arc B580 if you want a lower launch price and lower power draw. Buy the AMD Radeon RX 7800 XT if you need more video memory and wider memory bandwidth.

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Verdict

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Where to buy

FAQ

What power supply do these graphics cards require?

The Intel B580 requires a 600 W power supply, while the Radeon RX 7800 XT recommends a 700 W power supply.

How much video memory do they have?

The Intel B580 features 12 GB of video memory, whereas the Radeon RX 7800 XT includes 16 GB.

What are their launch prices?

The Intel B580 launched at $249, and the Radeon RX 7800 XT launched at $499.

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FAQ

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