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 The PC Journal editorial team
11 min read3 products evaluated
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
Our 3 recommendations at a glance. Tap a pick for the full verdict.
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 budget tight.
Our take Check price for ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB (opens in a new tab)
Also Consider
PowerColor Hellhound AMD Radeon RX 7900 XTX
DisplayPort 2.1 outputs.
Best for: Buyers who want DisplayPort 2.1 outputs.
Our take Check price for PowerColor Hellhound AMD Radeon RX 7900 XTX (opens in a new tab)
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.
Our take Check price for Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X (opens in a new tab)
| Pick | Why it’s here | Best for | Price |
|---|---|---|---|
| A lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked. | Keeping the budget tight. | Check price for ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB (opens in a new tab) |
| DisplayPort 2.1 outputs. | Buyers who want DisplayPort 2.1 outputs. | Check price for PowerColor Hellhound AMD Radeon RX 7900 XTX (opens in a new tab) |
| A Vapor-X vapor chamber cooler at the highest price in the group. | Buyers for whom price is not the deciding factor. | Check price for Sapphire Nitro+ AMD Radeon RX 7900 XTX Vapor-X (opens in a new tab) |
Our Picks
Lowest Price Here1 of 3
ASRock Radeon RX 7900 XTX Phantom Gaming OC 24GB on Amazon (opens in a new tab)
ASRock's Phantom Gaming OC offers a 2615MHz boost, 96MB of Infinity Cache and 0dB silent cooling at light load.
Best for
- Keeping the budget tight.
Skip if
- Worth skipping when calls for a 800W or larger PS is a problem.
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 dimensions & 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 on Amazon (opens in a new tab)
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 PS is a problem.
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 dimensions & 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 on Amazon (opens in a new tab)
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.
Skip if
- Pass on it if its 3.5-slot cooler covers the slots belo rules it out for your setup.
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 is 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 dimensions & 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
Each pick was assessed across 4 criteria weighted for real-world use.
- How these picks were ranked
- We lined up three cards on GPU, video memory, memory and card length from manufacturer specifications. We did not test them in-house.
- 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.
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.
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.
Where your budget lands
All 3 sat in one 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.
Start from what matters most
Keeping the budget tight: the ASRock 7900 XTX Phantom Gaming. Buyers for whom price is not the deciding factor: the Sapphire Nitro+ 7900 XTX.
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
| Priority | Consider | Why |
|---|---|---|
| Keeping the budget tight | ASRock 7900 XTX Phantom Gaming | A lower price than the PowerColor Hellhound 7900 XTX and the rest when we checked |
| Buyers who want DisplayPort 2.1 outputs | PowerColor Hellhound 7900 XTX | DisplayPort 2.1 outputs |
| Buyers for whom price is not the deciding factor | Sapphire Nitro+ 7900 XTX | A 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.
| Card | GPU | VRAM | Memory | Length |
|---|---|---|---|---|
| ASRock 7900 XTX Phantom Gaming | RX 7900 XTX | 24GB | GDDR6 | Not listed |
| PowerColor Hellhound 7900 XTX | RX 7900 XTX | 24GB | GDDR6 | 320mm |
| Sapphire Nitro+ 7900 XTX | RX 7900 XTX | 24GB | GDDR6 | 320mm |
Scroll sideways to see every column.
Frequently Asked Questions
Why is the Sapphire Nitro+ 7900 XTX our Premium Pick pick?
It earns the label for a Vapor-X vapor chamber cooler at the highest price in the group. It suits buyers for whom price is not the deciding factor.
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 maker of the PowerColor Hellhound 7900 XTX doesn't say.
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 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.
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.
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.