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Compare · 2 products compared

Intel Arc B580vsAMD Radeon RX 7700 XT: Spec Comparison

The Intel Arc B580 and AMD Radeon RX 7700 XT both offer 12 GB of video memory and HDMI 2.1 connectivity for modern displays. Choosing between them comes down to balancing launch costs, power demands, and specific performance architectures.

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Intro

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Best for

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Biggest differences

  • PCIe lanes

    AMD Radeon RX 7700 XT leads

    2×

    higher is better

    • Intel Arc B5808 lanes
    • AMD Radeon RX 7700 XT16 lanes

  • Launch price

    Intel Arc B580 leads

    −45%

    lower is better

    • Intel Arc B580249 USD
    • AMD Radeon RX 7700 XT449 USD

  • Last-level cache

    AMD Radeon RX 7700 XT leads

    2.67×

    higher is better

    • Intel Arc B58018 MB
    • AMD Radeon RX 7700 XT48 MB

  • Shader cores

    AMD Radeon RX 7700 XT leads

    +35%

    higher is better

    • Intel Arc B5802,560 cores
    • AMD Radeon RX 7700 XT3,456 cores

Where each one wins

  • Intel Arc B580

    • Launch price
    • Boost clock
    • Memory bandwidth
    • Memory speed
    • Board power
    • Recommended PSU
    • Slot width

  • AMD Radeon RX 7700 XT

    • Shader cores
    • Last-level cache
    • PCIe lanes
    • Card length

What both have

  • Video memory12 GB
  • Memory typeGddr6
  • Memory bus width192 bit
  • Power connectors8-pin
  • PCIe version4.0
  • HDMI version2.1
  • 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 7700 XT
Overview

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Overview specs

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Release date2024-122023-09
Launch price249 USD449 USD
Graphics chip

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Graphics chip specs

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ArchitectureXe2Rdna 3
Shader cores2,560 cores3,456 cores
Boost clock2,670 MHz2,544 MHz
Base clockNot published1,435 MHz1
FP32 computeNot published35.2 TFLOPS
Memory

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Memory specs

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Video memory12 GB12 GB
Memory typeGddr6Gddr6
Memory bus width192 bit192 bit
Memory bandwidth456 GB/s432 GB/s2
Memory speed19 Gbps18 Gbps
Last-level cache18 MB48 MB
Power

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Power specs

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Board power190 W245 W
Recommended PSU600 W700 W3
Power connectors8-pin8-pin4
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 version2.12.1
DisplayPort version2.152.16
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, AV17H.264, HEVC, AV1
Video encoders2 encodersNot published
Size

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Size specs

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Card length272 mm267 mm
Card height115 mm8Not published
Slot width2 slots2.5 slots
Notes on 8 values — test conditions and caveats
  1. 1AMD Radeon RX 7700 XT, Base clock: AMD publishes only Game (2171 MHz) and Boost clocks; no base clock appears on AMD's page.
  2. 2AMD Radeon RX 7700 XT, Memory bandwidth: AMD also lists 1995 GB/s 'effective' bandwidth including Infinity Cache; 432 GB/s is the raw VRAM figure.
  3. 3AMD Radeon RX 7700 XT, Recommended PSU: AMD bases this rating on a Ryzen 9 7950X system; your needs may differ.
  4. 4AMD Radeon RX 7700 XT, Power connectors: Reference card uses two 8-pin PCIe power connectors.
  5. 5Intel Arc B580, DisplayPort version: Intel rates the DisplayPort outputs at DP 2.1 up to UHBR 13.5 (second output listed at UHBR 10).
  6. 6AMD Radeon RX 7700 XT, DisplayPort version: Notebookcheck specifies the DP 2.1 output at UHBR13.5 link rate.
  7. 7Intel Arc B580, Hardware encode: Intel's spec table also lists H.264 and H.265 (HEVC) hardware encode as Yes.
  8. 8Intel 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 Arc B580 enters the market at $249, undercutting competitors to appeal to budget-conscious builders. In contrast, the AMD Radeon RX 7700 XT launches at $449, placing a higher financial demand on the buyer for its feature set.

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Price and Value

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Performance and Architecture

The Radeon RX 7700 XT relies on the RDNA 3 architecture paired with 3,456 shader cores and 35.2 TFLOPS of FP32 compute to drive heavy graphical loads. Meanwhile, the Arc B580 uses the Xe2 architecture with 2,560 cores, a 2,670 MHz boost clock, and 19 Gbps memory speed.

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Performance and Architecture

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Power and System Requirements

The Arc B580 requires a board power of 190 W and a 600 W power supply unit, making it easier to integrate into modest setups. The Radeon RX 7700 XT demands a 245 W board power and a 700 W recommended PSU, which bases its rating on a Ryzen 9 7950X system.

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Power and System Requirements

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Size and Physical Fit

Measuring 272 mm in length and taking up 2 slots, the Arc B580 offers a compact profile for tighter cases. The Radeon RX 7700 XT spans 267 mm long but requires 2.5 slots of clearance in the chassis.

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Size and Physical Fit

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The Verdict

Buy the Intel Arc B580 if you want a budget-friendly card with lower power requirements. Buy the AMD Radeon RX 7700 XT if you need higher core counts and compute performance.

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Verdict

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Where to buy

FAQ

What power connectors do these graphics cards use?

Both the Intel Arc B580 and the reference AMD Radeon RX 7700 XT use 8-pin power connectors, though the reference AMD card requires two of them.

Do both cards support AV1 hardware encoding?

Yes, both graphics cards feature hardware encoding for H.264, HEVC, and AV1.

How much video memory do they include?

Both models come equipped with 12 GB of GDDR6 video memory across a 192-bit memory bus width.

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FAQ

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