Buying Guide

The Best RX 7900 XTX Graphics Cards

We weighed three graphics cards on video memory and card length, and the ASRock 7900 XTX Phantom Gaming costs the least.

By , PC Hardware Editor

11 min read3 products evaluated

PC components laid out on a workbench ready for a build
Illustrative image

The RX 7900 XTX has 24GB of VRAM for 4K and heavy textures. Every pick is an RX 7900 XTX, ordered from the lowest price.

The order reflects GPU, VRAM and memory from maker specifications; we did not test these graphics cards ourselves, and a missing length is flagged, not filled in.

Quick Picks

Which of the 3 picks to look at first. Tap a name for the full analysis.

  1. Lowest Price Here

    ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB

    A lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked.

    Best for: Keeping the cost under $1500.

    Check price for ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB on Amazon (opens in a new tab)
  2. Premium Pick

    Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X

    A Vapor-X vapor chamber cooler at the highest price in the group.

    Best for: Buyers for whom price is not the deciding factor, since the ASRock 7900 XTX Phantom Gaming costs less.

    Check price for Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X on Amazon (opens in a new tab)

Our Picks

Lowest Price Here1 of 3

ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB

ASRock's Phantom Gaming OC offers a 2615MHz boost, 96MB of Infinity Cache and 0dB silent cooling at light load.

Best for

Keeping the cost under $1500.

Skip if

Worth skipping when calls for a 800W or larger PSU is a problem.
ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB

Why we like it

It was the least expensive 7900 XTX here at the time of writing. It boosts to 2615MHz with 24GB of GDDR6, 96 compute units and 96MB of Infinity Cache. The Phantom Gaming triple-fan cooler sits on a reinforced metal frame.

No dimensions are published for the ASRock 7900 XTX Phantom Gaming; get length and thickness from the maker's page first. No other pick here cost less at our last price check, and the PowerColor Hellhound 7900 XTX was closest. If you want a confirmed card length, look to the PowerColor Hellhound 7900 XTX instead: it comes in at 320mm, while this one gives no figure.

Key specs

GPU
RX 7900 XTX
VRAM
24GB
Memory
GDDR6
Recommended PSU
800W
Boost clock
2615MHz

Pros

  • 24GB of VRAM, room for large local AI models as well as games
  • 96MB of Infinity Cache
  • 0dB silent cooling at light load
  • A lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked

Cons

  • Calls for a 800W or larger PSU
  • No published card length

Also Consider2 of 3

PowerColor Hellhound AMD Radeon RX 7900 XTX

PowerColor's Hellhound is 320mm long, uses DisplayPort 2.1 outputs and states an 800W minimum power supply.

Best for

Buyers who want DisplayPort 2.1 outputs.

Skip if

Worth skipping when calls for a 800W or larger PSU is a problem.
PowerColor Hellhound AMD Radeon RX 7900 XTX

Why we like it

It has 6,144 stream processors and a switch between an OC mode at 2,330MHz and a quieter Silent mode at 2,270MHz game clock. The Silent mode suits a quiet room. The card measures 320 x 118.5 x 62mm, so check case clearance first.

It carries 24GB of GDDR6 and 6144 stream processors. The PowerColor Hellhound 7900 XTX is 320mm long; compare that with your case's GPU limit. PowerColor Hellhound 7900 XTX: the maker suggests a PSU of 800W or more. It was priced above the ASRock 7900 XTX Phantom Gaming and below the Sapphire Nitro+ 7900 XTX at the time of writing.

Key specs

GPU
RX 7900 XTX
VRAM
24GB
Memory
GDDR6
Length
320mm
Recommended PSU
800W
Outputs
3 x DisplayPort 2.1, 1 x HDMI 2.1

Pros

  • 24GB of VRAM, room for large local AI models as well as games
  • DisplayPort 2.1 outputs
  • 800W minimum PSU stated by the maker

Cons

  • Calls for a 800W or larger PSU
  • Costs more than the ASRock 7900 XTX Phantom Gaming at the time of writing

Premium Pick3 of 3

Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X

Sapphire's Nitro+ Vapor-X offers a 2680MHz boost, the highest of these 7900 XTX cards, on a 3.5-slot, 320mm vapor chamber cooler.

Best for

Buyers for whom price is not the deciding factor, since the ASRock 7900 XTX Phantom Gaming costs less.

Skip if

Pass on it if its 3.5-slot cooler covers the slots below rules it out for your setup.
Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X

Why we like it

It game-clocks up to 2510MHz with 24GB on a 384-bit bus at 20Gbps. At 3.5 slots and 320mm long, it needs a roomy case. It also comes with two HDMI and two DisplayPort outputs.

Its power connector and recommended PSU are not published, so confirm both for the Sapphire Nitro+ 7900 XTX with the maker. Another plus: 24GB of VRAM, room for large local AI models as well as games. It was the most expensive pick when we checked, so weigh what it adds over the PowerColor Hellhound 7900 XTX. If video memory is your priority, the ASRock 7900 XTX Phantom Gaming (24GB) is the stronger choice.

Key specs

GPU
RX 7900 XTX
VRAM
24GB
Memory
GDDR6
Length
320mm
Thickness
3.5-slot
Boost clock
2680MHz
Outputs
2 x DisplayPort, 2 x HDMI

Pros

  • 24GB of VRAM, room for large local AI models as well as games
  • Vapor-X vapor chamber cooler
  • Two HDMI and two DisplayPort outputs
  • A Vapor-X vapor chamber cooler at the highest price in the group

Cons

  • Its 3.5-slot cooler covers the slots below
  • No published recommended power supply
  • Costs more than the ASRock 7900 XTX Phantom Gaming at the time of writing

How We Chose These RX 7900 XTX Graphics Cards

Alex Morgan compared the manufacturer specifications, connectivity, warranty terms and compatibility of every pick. Figures come from the makers unless a third-party source is named; we did not test these products ourselves.

The circuit board on the back of a graphics card
The circuit board on the back of a graphics card
How these picks were ranked
We lined up three cards on GPU, video memory, memory and card length from manufacturer specifications. Nothing was tested in-house; 3 of the 7 fields compared are stated for every pick, while card length and recommended power supply have gaps.
What every pick has in common
All 3, from the ASRock 7900 XTX Phantom Gaming to the Sapphire Nitro+ 7900 XTX, state GPU, video memory and memory and share RX 7900 XTX GPU and GDDR6 memory.
Where the specs have gaps
The ASRock 7900 XTX Phantom Gaming gives no card length; the Sapphire Nitro+ 7900 XTX gives no recommended power supply.
Price range
From the ASRock 7900 XTX Phantom Gaming to the Sapphire Nitro+ 7900 XTX, all sat in the $1000 to $1500 tier when we checked.

What to Look for in an RX 7900 XTX Graphics Card

Key buying criteria so you get the right fit the first time.

  1. What to check at home

    No dimensions are published for the ASRock 7900 XTX Phantom Gaming; get length and thickness from the maker's page first. The PowerColor Hellhound 7900 XTX is 320mm long; compare that with your case's GPU limit. Measure for 320mm and 3.5 slots before ordering the Sapphire Nitro+ 7900 XTX.

  2. Extras that separate them

    The ASRock 7900 XTX Phantom Gaming: 0dB silent cooling at light load. The PowerColor Hellhound 7900 XTX: an 800W minimum PSU stated by the maker. The Sapphire Nitro+ 7900 XTX: two HDMI and two DisplayPort outputs.

    A graphics card's bare circuit board around the GPU die
    A graphics card's bare circuit board around the GPU die
  3. Where your budget lands

    All 3 sat in the $1000 to $1500 tier when we checked, from the ASRock 7900 XTX Phantom Gaming at the low end to the Sapphire Nitro+ 7900 XTX at the top, so decide on features first.

  4. Start from what matters most

    Keeping the cost under $1500: the ASRock 7900 XTX Phantom Gaming. Buyers for whom price is not the deciding factor, since the ASRock 7900 XTX Phantom Gaming costs less: the Sapphire Nitro+ 7900 XTX.

  5. Compare upscaling and encoders

    NVIDIA cards support DLSS, AMD cards FSR and Intel cards XeSS. Each game supports a different mix, so check the titles you play.

    Streamers should also compare hardware video encoders.

How to Choose an RX 7900 XTX Graphics Card

By priority

PriorityConsiderWhy
Keeping the cost under $1500ASRock 7900 XTX Phantom GamingA lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked
Buyers who want DisplayPort 2.1 outputsPowerColor Hellhound 7900 XTXDisplayPort 2.1 outputs
Buyers for whom price is not the deciding factor, since the ASRock 7900 XTX Phantom Gaming costs lessSapphire Nitro+ 7900 XTXA Vapor-X vapor chamber cooler at the highest price in the group

Scroll sideways to see every column.

Key specs side by side

The ASRock 7900 XTX Phantom Gaming, the PowerColor Hellhound 7900 XTX and the rest, as their makers list them.

CardGPUVRAMMemoryLength
ASRock 7900 XTX Phantom GamingRX 7900 XTX24GBGDDR6Not listed
PowerColor Hellhound 7900 XTXRX 7900 XTX24GBGDDR6320mm
Sapphire Nitro+ 7900 XTXRX 7900 XTX24GBGDDR6320mm

Scroll sideways to see every column.

Frequently Asked Questions

Why is the Sapphire Nitro+ 7900 XTX our Premium Pick?

It earns the label for a Vapor-X vapor chamber cooler at the highest price in the group. It is aimed at buyers for whom price is not the deciding factor, since the ASRock 7900 XTX Phantom Gaming costs less.

Do the ASRock 7900 XTX Phantom Gaming and the Sapphire Nitro+ 7900 XTX differ on boost clock?

The ASRock 7900 XTX Phantom Gaming uses 2615MHz; the Sapphire Nitro+ 7900 XTX uses 2680MHz. The PowerColor Hellhound 7900 XTX has no boost clock listed, so 2 of 3 picks are covered here.

Will the Sapphire Nitro+ 7900 XTX work with my setup?

Measure for 320mm and 3.5 slots before ordering the Sapphire Nitro+ 7900 XTX. Its power connector and recommended PSU are not published, so confirm both for the Sapphire Nitro+ 7900 XTX with the maker. In this guide it ranks third of 3, as our Premium Pick.

What extras do the ASRock 7900 XTX Phantom Gaming and the PowerColor Hellhound 7900 XTX include?

The ASRock 7900 XTX Phantom Gaming: 96MB of Infinity Cache. The PowerColor Hellhound 7900 XTX: DisplayPort 2.1 outputs. The Sapphire Nitro+ 7900 XTX: a Vapor-X vapor chamber cooler.

Who should choose the ASRock 7900 XTX Phantom Gaming?

The ASRock 7900 XTX Phantom Gaming carries our Lowest Price Here label for a lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked. It ranks first of 3 here and sat in the $1000 to $1500 tier at our last price check; it suits keeping the cost under $1500.

Bottom Line

Our first pick is the ASRock 7900 XTX Phantom Gaming, chosen for a lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked. Look at the PowerColor Hellhound 7900 XTX for DisplayPort 2.1 outputs and the Sapphire Nitro+ 7900 XTX for a Vapor-X vapor chamber cooler at the highest price in the group if those matter more to you.

Check case length; many models exceed 320mm.

About the author

PC Hardware Editor

Alex covers PC hardware, monitors, components, upgrades and peripherals for The PC Journal, with a focus on helping readers understand specifications, compatibility and meaningful product trade-offs.

Covers: Monitors, Graphics cards, Processors, PC components, Peripherals, Upgrades and compatibility

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