Buying Guide

The Best RX 7800 XT Graphics Cards

Six RX 7800 XT cards compared on length, thickness, power guidance and price, from 260mm to 320mm.

By The PC Journal editorial team

12 min read6 products evaluated

The RX 7800 XT has 16GB of GDDR6 and is one of AMD's most popular 1440p cards. Partner models differ a lot in size, from 260mm to 320mm.

We compared listed specifications from the card makers and retailer listings; we did not benchmark these cards.

Quick Picks

Our 6 recommendations at a glance. Tap a pick for the full verdict.

  1. Lowest Price at Writing

    ASRock Radeon RX 7800 XT Steel Legend 16GB OC

    The least expensive RX 7800 XT here at the time of writing.

    Best for: Budget 1440p builds.

    Our take Check price for ASRock Radeon RX 7800 XT Steel Legend 16GB OC (opens in a new tab)

  2. Best Compact Value

    ASRock Radeon RX 7800 XT Challenger 16GB OC

    A 267mm, 2.5-slot design.

    Best for: Mid-size and Micro-ATX cases.

    Our take Check price for ASRock Radeon RX 7800 XT Challenger 16GB OC (opens in a new tab)

  3. Shortest 7800 XT

    PowerColor Twin Fan AMD Radeon RX 7800 XT

    A 260mm length.

    Best for: Tight cases.

    Our take Check price for PowerColor Twin Fan AMD Radeon RX 7800 XT (opens in a new tab)

  4. Best Triple-Fan Pick

    Sapphire Nitro+ AMD Radeon RX 7800 XT

    A 3-slot Nitro+ cooler with a 2565MHz boost.

    Best for: Roomy cases.

    Our take Check price for Sapphire Nitro+ AMD Radeon RX 7800 XT (opens in a new tab)

  5. Best Output Layout

    Gigabyte Radeon RX 7800 XT Gaming OC 16G

    Two HDMI and two DisplayPort outputs.

    Best for: TV and monitor setups.

    Our take Check price for Gigabyte Radeon RX 7800 XT Gaming OC 16G (opens in a new tab)

  6. Best Sapphire Dual-Fan

    Sapphire Pulse AMD Radeon RX 7800 XT

    A 280mm, 2.5-slot Pulse cooler.

    Best for: Mid-size cases.

    Our take Check price for Sapphire Pulse AMD Radeon RX 7800 XT (opens in a new tab)

Our Picks

ASRock Radeon RX 7800 XT Steel Legend 16GB OC

Lowest Price at Writing1 of 6

ASRock Radeon RX 7800 XT Steel Legend 16GB OC on Amazon (opens in a new tab)

The Steel Legend adds a white-and-silver finish and a 2520MHz boost, and it has a 700W recommended power supply.

Best for

Budget 1440p builds.

Skip if

Pass on it if needs two 8-pin PCIe power cable rules it out for your setup.

Why we like it

It matches the Gigabyte 7800 XT Gaming OC on recommended power supply (700W). You get a 2520MHz boost clock here, which sets it apart from the Sapphire Pulse 7800 XT and its a 2430MHz boost clock. No dimensions are published for the ASRock 7800 XT Steel Legend; get length and thickness from the maker's page first.

Power for the ASRock 7800 XT Steel Legend comes through 2 x 8-pin, with 700W the maker's minimum PSU. It undercut the ASRock 7800 XT Challenger and every other pick on price at the time of writing. The maker doesn't give its card length; if that figure matters, the PowerColor 7800 XT Twin Fan comes in at 260mm.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Recommended PSU: 700W
  • Power connector: 2 x 8-pin
  • Boost clock: 2520MHz

Pros

  • 16GB of VRAM for high-resolution textures
  • White-and-silver Steel Legend finish
  • 700W recommended PSU
  • Recommended power supply of 700W, ahead of the ASRock 7800 XT Challenger

Cons

  • Needs two 8-pin PCIe power cables
  • No published card length
  • No published cooler thickness
ASRock Radeon RX 7800 XT Challenger 16GB OC

Best Compact Value2 of 6

ASRock Radeon RX 7800 XT Challenger 16GB OC on Amazon (opens in a new tab)

ASRock's Challenger is a 267mm, 2.5-slot dual-fan RX 7800 XT with two 8-pin connectors and a 750W recommended power supply.

Best for

Mid-size and Micro-ATX cases.

Skip if

Pass on it if needs two 8-pin PCIe power cable rules it out for your setup.

Why we like it

On card length it sits mid-pack at 267mm: the PowerColor 7800 XT Twin Fan comes in at 260mm, and the Sapphire Nitro+ 7800 XT comes in at 320mm. It matches the Sapphire Pulse 7800 XT on cooler thickness (2.5-slot). It is the only pick here with a 2475MHz boost clock; the ASRock 7800 XT Steel Legend has a 2520MHz boost clock instead.

Power for the ASRock 7800 XT Challenger comes through 2 x 8-pin, with 750W the maker's minimum PSU. When we checked, only the ASRock 7800 XT Steel Legend cost less, and the Sapphire Nitro+ 7800 XT cost more.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Length: 267mm
  • Thickness: 2.5-slot
  • Recommended PSU: 750W
  • Power connector: 2 x 8-pin
  • Boost clock: 2475MHz

Pros

  • 16GB of VRAM for high-resolution textures
  • 267mm length
  • Dual-fan Challenger cooler
  • Card length of 267mm, ahead of the Sapphire Pulse 7800 XT

Cons

  • Needs two 8-pin PCIe power cables
  • Costs more than the ASRock 7800 XT Steel Legend at the time of writing
PowerColor Twin Fan AMD Radeon RX 7800 XT

Shortest 7800 XT3 of 6

PowerColor Twin Fan AMD Radeon RX 7800 XT on Amazon (opens in a new tab)

PowerColor's Twin Fan is 260mm long, the shortest RX 7800 XT here, with two 8-pin connectors.

Best for

Tight cases.

Skip if

Worth skipping when needs two 8-pin PCIe power cable is a problem.

Why we like it

Nothing else here matches its 260mm card length; the ASRock 7800 XT Challenger comes closest at 267mm. On recommended power supply it ties with the ASRock 7800 XT Challenger at 750W. You also get a dual-fan cooler.

Power for the PowerColor 7800 XT Twin Fan comes through 2 x 8-pin, with 750W the maker's minimum PSU. It also brings 16GB of VRAM for high-resolution textures. It was priced above the Sapphire Nitro+ 7800 XT and below the Gigabyte 7800 XT Gaming OC at the time of writing. There is no published cooler thickness figure, whereas the ASRock 7800 XT Challenger comes in at 2.5-slot.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Length: 260mm
  • Recommended PSU: 750W
  • Power connector: 2 x 8-pin

Pros

  • 16GB of VRAM for high-resolution textures
  • Short 260mm length suits compact cases
  • 260mm length, the shortest 7800 XT here
  • Dual-fan cooler

Cons

  • Needs two 8-pin PCIe power cables
  • No published cooler thickness
  • Recommended power supply trails the ASRock 7800 XT Steel Legend (700W)
Sapphire Nitro+ AMD Radeon RX 7800 XT

Best Triple-Fan Pick4 of 6

Sapphire Nitro+ AMD Radeon RX 7800 XT on Amazon (opens in a new tab)

Sapphire's Nitro+ is a 320mm, 3-slot triple-fan RX 7800 XT with a 2565MHz boost.

Best for

Roomy cases.

Skip if

Skip it if this is a deal-breaker for you: its 3-slot cooler covers the slots below.

Why we like it

Its 320mm card length is the longest in this group; the PowerColor 7800 XT Twin Fan leads at 260mm. On cooler thickness it trails the group at 3-slot, while the ASRock 7800 XT Challenger comes in at 2.5-slot. It shares a 2565MHz boost clock with the Gigabyte 7800 XT Gaming OC; the Sapphire Pulse 7800 XT goes with a 2430MHz boost clock.

Its power connector and recommended PSU are not published, so confirm both for the Sapphire Nitro+ 7800 XT with the maker. On price it sat third of 6, between the cheaper ASRock 7800 XT Challenger and the pricier PowerColor 7800 XT Twin Fan, at the time of writing.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Length: 320mm
  • Thickness: 3-slot
  • Boost clock: 2565MHz

Pros

  • 16GB of VRAM for high-resolution textures
  • 2565MHz boost clock
  • 3-slot triple-fan Nitro+ cooler

Cons

  • Its 3-slot cooler covers the slots below
  • Card length trails the PowerColor 7800 XT Twin Fan (260mm)
  • Cooler thickness trails the ASRock 7800 XT Challenger (2.5-slot)
Gigabyte Radeon RX 7800 XT Gaming OC 16G

Best Output Layout5 of 6

Gigabyte Radeon RX 7800 XT Gaming OC 16G on Amazon (opens in a new tab)

Gigabyte's Gaming OC offers a 2565MHz boost and two HDMI plus two DisplayPort outputs under a triple-fan Windforce cooler.

Best for

TV and monitor setups.

Skip if

Pass if a published card length matters; this one has none.

Why we like it

On recommended power supply it ties with the ASRock 7800 XT Steel Legend at 700W. Like the Sapphire Nitro+ 7800 XT, it has a 2565MHz boost clock, while the ASRock 7800 XT Challenger uses a 2475MHz boost clock. No dimensions are published for the Gigabyte 7800 XT Gaming OC; get length and thickness from the maker's page first.

Gigabyte 7800 XT Gaming OC: the maker suggests a PSU of 700W or more. It was priced above the PowerColor 7800 XT Twin Fan and below the Sapphire Pulse 7800 XT at the time of writing. There is no published card length figure, whereas the PowerColor 7800 XT Twin Fan comes in at 260mm.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Recommended PSU: 700W
  • Boost clock: 2565MHz
  • Outputs: 2 x DisplayPort, 2 x HDMI

Pros

  • 16GB of VRAM for high-resolution textures
  • Two HDMI and two DisplayPort outputs
  • WINDFORCE triple-fan cooler
  • Recommended power supply of 700W, ahead of the ASRock 7800 XT Challenger

Cons

  • No published card length
  • No published cooler thickness
  • Costs more than the ASRock 7800 XT Steel Legend at the time of writing
Sapphire Pulse AMD Radeon RX 7800 XT

Best Sapphire Dual-Fan6 of 6

Sapphire Pulse AMD Radeon RX 7800 XT on Amazon (opens in a new tab)

Sapphire's Pulse 7800 XT is 280mm long with a 2.5-slot dual-fan cooler and a 2430MHz boost.

Best for

Mid-size cases.

Skip if

Skip it if you need to know its recommended power supply before buying; the maker doesn't publish one.

Why we like it

On card length it sits mid-pack at 280mm: the PowerColor 7800 XT Twin Fan comes in at 260mm, and the Sapphire Nitro+ 7800 XT comes in at 320mm. It matches the ASRock 7800 XT Challenger on cooler thickness (2.5-slot). It is the only pick here with a 2430MHz boost clock; the ASRock 7800 XT Steel Legend has a 2520MHz boost clock instead.

Its power connector and recommended PSU are not published, so confirm both for the Sapphire Pulse 7800 XT with the maker. At our last price check it topped the group, with the Gigabyte 7800 XT Gaming OC the nearest cheaper option. Video memory is its weakest area, and the ASRock 7800 XT Steel Legend covers it better at 16GB.

Key dimensions & specs

  • GPU: RX 7800 XT
  • VRAM: 16GB
  • Memory: GDDR6
  • Length: 280mm
  • Thickness: 2.5-slot
  • Boost clock: 2430MHz

Pros

  • 16GB of VRAM for high-resolution textures
  • 280mm length
  • 2.5-slot dual-fan cooler
  • Card length of 280mm, ahead of the Sapphire Nitro+ 7800 XT

Cons

  • No published recommended power supply
  • Costs more than the ASRock 7800 XT Steel Legend at the time of writing

How We Chose These RX 7800 XT Cards

Each pick was assessed across 4 criteria weighted for real-world use.

Price tier
We grouped picks by price at the time of writing rather than by listed clock speed.
GPU and memory
We compared the chip, video memory capacity and memory type stated in each listing.
Cooling and extras
We checked cooler design, fan-stop modes, dual BIOS, support brackets and display outputs.
Fit
We recorded length and slot thickness where the maker lists them, plus low-profile and SFF-Ready status.

What to Look for in an RX 7800 XT Card

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

  1. Check length and thickness

    Partner cards of the same GPU can differ by several centimetres. Compare the card's length with the case's GPU clearance, allowing for front fans or a radiator, and check how many slots it covers.

  2. Treat 8GB of VRAM as the floor

    Some recent games already push past 8GB at high texture settings. Cards with 12GB or 16GB give more room, especially at 1440p and above.

    Two versions of the same chip can differ only in memory; check the capacity in the exact model name.

  3. Count the display outputs

    Most cards offer three DisplayPort outputs and one HDMI, but some swap that balance. Check that the ports match your monitors, TV or VR headset.

  4. Plan the power connector and PSU

    Cards use one or two 8-pin PCIe plugs or a single 16-pin 12V-2x6 plug. Confirm your power supply has the right cables and meets the maker's recommended wattage.

  5. Cooler size affects noise

    Larger triple-fan coolers usually run quieter under load than compact dual-fan designs. A 0dB mode stops the fans at light load.

  6. 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 7800 XT Card

By priority

PriorityConsiderWhy
Budget 1440p buildsASRock 7800 XT Steel LegendThe least expensive RX 7800 XT here at the time of writing
Mid-size and Micro-ATX casesASRock 7800 XT ChallengerA 267mm, 2.5-slot design
Tight casesPowerColor 7800 XT Twin FanA 260mm length
Roomy casesSapphire Nitro+ 7800 XTA 3-slot Nitro+ cooler with a 2565MHz boost
TV and monitor setupsGigabyte 7800 XT Gaming OCTwo HDMI and two DisplayPort outputs
Mid-size casesSapphire Pulse 7800 XTA 280mm, 2.5-slot Pulse cooler

Scroll sideways to see every column.

Key specs side by side

Figures as each maker states them.

CardGPUVRAMMemoryLength
ASRock 7800 XT Steel LegendRX 7800 XT16GBGDDR6Not listed
ASRock 7800 XT ChallengerRX 7800 XT16GBGDDR6267mm
PowerColor 7800 XT Twin FanRX 7800 XT16GBGDDR6260mm
Sapphire Nitro+ 7800 XTRX 7800 XT16GBGDDR6320mm
Gigabyte 7800 XT Gaming OCRX 7800 XT16GBGDDR6Not listed
Sapphire Pulse 7800 XTRX 7800 XT16GBGDDR6280mm

Scroll sideways to see every column.

By price at the time of writing

Prices change often; these tiers reflect Amazon prices when this guide was updated.

Price tierCards
About $250 to $500ASRock 7800 XT Steel Legend
About $500 to $1000ASRock 7800 XT Challenger, Sapphire Nitro+ 7800 XT, PowerColor 7800 XT Twin Fan, Gigabyte 7800 XT Gaming OC, Sapphire Pulse 7800 XT

Frequently Asked Questions

Will my CPU hold the card back?

It depends on resolution and the games you play. At 1080p and high refresh rates the CPU matters more; at 4K the GPU sets the limit.

How big a power supply do I need?

Use the maker's recommendation for your exact card, then add headroom if you run a high-power CPU. Also check the connectors, not just the wattage.

Should I choose AMD or NVIDIA?

Compare price and memory at your budget first, then features such as DLSS or FSR support in your games and hardware encoding if you stream.

Is an 8GB graphics card still enough?

For 1080p with tuned texture settings, often yes. For 1440p or high textures in new games, 12GB or 16GB is safer.

Will a PCIe 5.0 card work in a PCIe 4.0 or 3.0 slot?

Yes, the interface is backward compatible. Cards with a narrow x8 link can lose some performance on PCIe 3.0 boards.

Do partner cards of the same GPU perform differently?

Only slightly. Factory overclocks add a few percent at most; cooling, noise, size and price differ more.

Bottom Line

ASRock's Steel Legend was the best-priced RX 7800 XT here at the time of writing, and its Challenger sibling is the compact option. PowerColor's Twin Fan is the shortest card.