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AMD Radeon RX 9070vsAMD Radeon RX 7700 XT

The AMD Radeon RX 9070 and AMD Radeon RX 7700 XT share modern hardware video encoding support and multi-display setups. Choosing between them comes down to generational performance, video memory capacity, and power efficiency.

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Intro

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Best for

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Biggest differences

  • Memory bandwidth

    AMD Radeon RX 9070 leads

    +48%

    higher is better

    • AMD Radeon RX 9070640 GB/s
    • AMD Radeon RX 7700 XT432 GB/s

  • Video memory

    AMD Radeon RX 9070 leads

    +33%

    higher is better

    • AMD Radeon RX 907016 GB
    • AMD Radeon RX 7700 XT12 GB

  • Memory bus width

    AMD Radeon RX 9070 leads

    +33%

    higher is better

    • AMD Radeon RX 9070256 bit
    • AMD Radeon RX 7700 XT192 bit

  • Launch price

    AMD Radeon RX 7700 XT leads

    −18%

    lower is better

    • AMD Radeon RX 9070549 USD
    • AMD Radeon RX 7700 XT449 USD

Where each one wins

  • AMD Radeon RX 9070

    • Shader cores
    • FP32 compute
    • Video memory
    • Memory bus width
    • Memory bandwidth
    • Memory speed
    • Last-level cache
    • Board power
    • Recommended PSU
    • PCIe version
    • HDMI version
    • DisplayPort version

  • AMD Radeon RX 7700 XT

    • Launch price
    • Boost clock

What both have

  • Memory typeGddr6
  • Power connectors8-pin
  • PCIe lanes16 lanes
  • Max displays4 displays
  • Hardware encodeH.264, HEVC, AV1

Every spec

Red marks the better value in each row.

SpecAMD Radeon RX 9070AMD Radeon RX 7700 XT
Overview

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Overview specs

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Release date2025-032023-09
Launch price549 USD1449 USD
Graphics chip

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Graphics chip specs

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ArchitectureRdna 4Rdna 3
Shader cores3,584 cores3,456 cores
Boost clock2,520 MHz22,544 MHz
Base clockNot published1,435 MHz3
FP32 compute36.1 TFLOPS35.2 TFLOPS
Memory

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Memory specs

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Video memory16 GB12 GB
Memory typeGddr6Gddr6
Memory bus width256 bit192 bit
Memory bandwidth640 GB/s432 GB/s4
Memory speed20 Gbps18 Gbps
Last-level cache64 MB48 MB
Power

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Power specs

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Board power220 W5245 W
Recommended PSU650 W700 W6
Power connectors8-pin78-pin8
Interface

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Interface specs

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PCIe version5.04.0
PCIe lanes16 lanes16 lanes
Display outputs

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Display outputs specs

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HDMI version2.1b2.1
DisplayPort version2.1a92.110
HDMI outputsNot published1 ports
DisplayPort outputsNot published3 ports
Max displays4 displays4 displays
Video engine

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Video engine specs

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Hardware encodeH.264, HEVC, AV1H.264, HEVC, AV1
Video encodersNot publishedNot published
Size

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Size specs

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Card lengthNot published267 mm
Card heightNot publishedNot published
Slot widthNot published2.5 slots
Notes on 10 values — test conditions and caveats
  1. 1AMD Radeon RX 9070, Launch price: AMD's $549 starting MSRP at launch; AMD sells no reference card, so partner models may cost more.
  2. 2AMD Radeon RX 9070, Boost clock: Peak 'up to' boost; AMD's game clock is 2070 MHz for typical gaming.
  3. 3AMD Radeon RX 7700 XT, Base clock: AMD publishes only Game (2171 MHz) and Boost clocks; no base clock appears on AMD's page.
  4. 4AMD 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.
  5. 5AMD Radeon RX 9070, Board power: Partner overclocked cards can exceed 220 W; IGN measured 249 W peaks on a factory-OC card.
  6. 6AMD Radeon RX 7700 XT, Recommended PSU: AMD bases this rating on a Ryzen 9 7950X system; your needs may differ.
  7. 7AMD Radeon RX 9070, Power connectors: Two 8-pin PCIe power connectors are required (2x 8-pin per AMD and Sapphire).
  8. 8AMD Radeon RX 7700 XT, Power connectors: Reference card uses two 8-pin PCIe power connectors.
  9. 9AMD Radeon RX 9070, DisplayPort version: Club386 lists the DP 2.1a link rate as UHBR13.5; UHBR20 is not supported.
  10. 10AMD Radeon RX 7700 XT, DisplayPort version: Notebookcheck specifies the DP 2.1 output at UHBR13.5 link rate.

Performance and memory

The newer architecture brings more shader cores and higher FP32 compute capability, delivering faster rendering for demanding games. A wider memory bus and faster memory speed pump data through the card much quicker than previous generations.

You also get more video memory and a larger last-level cache, which prevents stuttering in modern titles that load massive texture packs at high resolutions.

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Performance and memory

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Power and efficiency

Running on a lower board power draw, the newer card reduces electricity waste and system heat while still delivering higher performance. It also asks for a lower recommended power supply wattage, which might save you from buying a new PSU during an upgrade.

Both choices require standard eight-pin power connections from your power supply unit, making them compatible with most existing modular cables.

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Power and efficiency

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Connectivity and slots

Compatibility with newer motherboard slots gives the recent architecture a faster lane speed for data exchange with the rest of your system.

Updated display outputs ensure you can drive high-refresh-rate monitors using modern signaling standards without bandwidth bottlenecks.

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Connectivity and slots

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The Verdict

Buy the AMD Radeon RX 9070 if you want generational speed leaps, lower power draw, and extra video memory. Buy the RX 7700 XT if you prefer a lower initial purchase price.

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Verdict

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Where to buy

FAQ

What power supply do I need for these graphics cards?

The RX 9070 needs a 650 W power supply, while the RX 7700 XT requires a 700 W power supply.

Do these GPUs support AV1 encoding?

Yes, both models support hardware encoding for H.264, HEVC, and AV1 formats.

How many displays can I connect?

Both cards support a maximum of four displays.

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FAQ

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