Compare · 2 products compared

NVIDIA GeForce RTX 4080 SupervsAMD Radeon RX 7700 XT: Compare Specs

These graphics cards both support PCIe 4.0 and drive up to four displays. The GeForce RTX 4080 Super commands a much higher price while delivering vastly superior compute performance and memory capacity.

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Intro

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Best for

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Biggest differences

  • Shader cores

    NVIDIA GeForce RTX 4080 Super leads

    2.96×

    higher is better

    • NVIDIA GeForce RTX 4080 Super10,240 cores
    • AMD Radeon RX 7700 XT3,456 cores
  • Launch price

    AMD Radeon RX 7700 XT leads

    2.22×

    lower is better

    • NVIDIA GeForce RTX 4080 Super999 USD
    • AMD Radeon RX 7700 XT449 USD
  • Memory bandwidth

    NVIDIA GeForce RTX 4080 Super leads

    +70%

    higher is better

    • NVIDIA GeForce RTX 4080 Super736 GB/s
    • AMD Radeon RX 7700 XT432 GB/s
  • Video memory

    NVIDIA GeForce RTX 4080 Super leads

    +33%

    higher is better

    • NVIDIA GeForce RTX 4080 Super16 GB
    • AMD Radeon RX 7700 XT12 GB

Where each one wins

  • NVIDIA GeForce RTX 4080 Super

    • Shader cores
    • Boost clock
    • Base clock
    • FP32 compute
    • Video memory
    • Memory type
    • Memory bus width
    • Memory bandwidth
    • Memory speed
    • Last-level cache
    • HDMI version
  • AMD Radeon RX 7700 XT

    • Launch price
    • Board power
    • Recommended PSU
    • DisplayPort version
    • Card length
    • Slot width

What both have

  • PCIe version4.0
  • HDMI outputs1 ports
  • DisplayPort outputs3 ports
  • Max displays4 displays

Every spec

Red marks the better value in each row.

SpecNVIDIA GeForce RTX 4080 SuperAMD Radeon RX 7700 XT
Overview

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Overview specs

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Release date2024-012023-09
Launch price999 USD449 USD
Graphics chip

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Graphics chip specs

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ArchitectureAda lovelaceRdna 3
Shader cores10,240 cores3,456 cores
Boost clock2,550 MHz2,544 MHz
Base clock2,290 MHz1,435 MHz1
FP32 compute52 TFLOPS35.2 TFLOPS
Memory

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Memory specs

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Video memory16 GB12 GB
Memory typeGddr6xGddr6
Memory bus width256 bit192 bit
Memory bandwidth736 GB/s432 GB/s2
Memory speed23 Gbps18 Gbps
Last-level cache64 MB48 MB
Power

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Power specs

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Board power320 W245 W
Recommended PSU750 W3700 W4
Power connectors12V-2x658-pin6
Interface

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Interface specs

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PCIe version4.04.0
PCIe lanesNot published16 lanes
Display outputs

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Display outputs specs

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HDMI version2.1a2.1
DisplayPort version1.4a2.17
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 encodeAV1H.264, HEVC, AV1
Video encoders2 encodersNot published
Size

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Size specs

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Card length304 mm267 mm
Card height137 mmNot published
Slot width3 slots2.5 slots
Notes on 7 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. 3NVIDIA GeForce RTX 4080 Super, Recommended PSU: NVIDIA's 750 W minimum assumes a PC with a Ryzen 9 5900X; needs vary by configuration.
  4. 4AMD Radeon RX 7700 XT, Recommended PSU: AMD bases this rating on a Ryzen 9 7950X system; your needs may differ.
  5. 5NVIDIA GeForce RTX 4080 Super, Power connectors: Card takes a 16-pin 12V-2x6 connector; a 3x PCIe 8-pin adapter ships in the box for PSUs without a PCIe Gen 5 cable.
  6. 6AMD Radeon RX 7700 XT, Power connectors: Reference card uses two 8-pin PCIe power connectors.
  7. 7AMD Radeon RX 7700 XT, DisplayPort version: Notebookcheck specifies the DP 2.1 output at UHBR13.5 link rate.

Performance and power

The GeForce RTX 4080 Super relies on the Ada Lovelace architecture to reach 52 TFLOPS of FP32 compute power, outperforming the Radeon RX 7700 XT and its RDNA 3 architecture. That raw compute advantage demands more electricity, requiring a 320 W board power and a 750 W minimum power supply unit compared to 245 W and 700 W for the AMD card.

Buyers investing in the NVIDIA card must ensure their setup handles a 12V-2x6 power connector, whereas the AMD option uses standard 8-pin connections. Both power requirements vary based on the rest of the PC components.

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Performance and power

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Memory and rendering

The GeForce RTX 4080 Super packs 16 GB of GDDR6X video memory across a 256-bit bus, achieving a memory bandwidth of 736 GB/s. This configuration handles heavy loads far better than the AMD card, which relies on 12 GB of GDDR6 on a 192-bit bus.

With 64 MB of last-level cache on the NVIDIA card versus 48 MB on the competitor, texture streaming and complex frame rendering run with significantly more headroom on the high-end option.

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Memory and rendering

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Size and displays

The Radeon RX 7700 XT measures 267 mm in length and takes up 2.5 slots, making it easier to fit into compact chassis than the 304 mm long, 3-slot GeForce RTX 4080 Super.

For monitor connectivity, both cards provide three DisplayPort outputs and one HDMI port, but the NVIDIA card supports the slightly newer HDMI 2.1a specification.

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Size and displays

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The Verdict

Buy the NVIDIA GeForce RTX 4080 Super if you want maximum rendering power and memory bandwidth. Buy the AMD Radeon RX 7700 XT if you need a lower launch price and a more compact card.

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Verdict

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Where to buy

FAQ

What power supply do these cards need?

The GeForce RTX 4080 Super requires a 750 W minimum PSU, while the Radeon RX 7700 XT calls for a 700 W PSU, though actual needs vary by configuration.

How many displays can I connect at once?

Both cards support a maximum of four displays through their three DisplayPort outputs and single HDMI port.

What kind of video encoding do they support?

The GeForce RTX 4080 Super handles AV1 hardware encoding with two encoders, whereas the Radeon RX 7700 XT supports H.264, HEVC, and AV1.

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FAQ

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