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Best GPU for 4K gaming

4K is where memory bandwidth and capacity stop being theoretical. This category weights both heavily.

How this is ranked: 55% performance index at 4K, 25% VRAM headroom for 4K, 20% performance per dollar at 4K. Cards with under 12 GB of memory are excluded. Only cards still in production are eligible. Any price-based element uses launch MSRP, because CompareYourGPU holds no verified current price for these cards.

#1
Top pickNVIDIA$1,999 MSRPCategory score 87/100

NVIDIA GeForce RTX 5090

The fastest consumer graphics card on the market and the only one that treats 4K at high refresh rates as routine. It also asks for a 575 W power budget, a large case and flagship money, which is why it only makes sense at the very top of a build.

  • Estimated 105-150 FPS at 4K in a typical modern AAA game at High settings, no upscaling. Modelled estimate, not a measurement.
  • 32 GB of GDDR7 memory on a 512-bit bus.
  • $1,999 launch MSRP.

Strengths

  • Comfortably the fastest option at 4K, with a wide margin over everything below it
  • 32 GB of GDDR7 removes memory capacity from the equation for gaming and most creator work
  • 1,792 GB/s of bandwidth keeps the card fed at 4K and in path-traced titles

Trade-offs

  • 575 W board power demands a high-quality 1,000 W-class PSU and strong case airflow
  • Flagship pricing puts it far outside the value curve
  • Partner boards are large enough to rule out most compact cases

Cheaper alternative: RX 9070 XT at $599

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#2
AMD$599 MSRPCategory score 71/100

AMD Radeon RX 9070 XT

AMD's fastest RDNA 4 card and the strongest argument for Radeon at the high end: 16 GB of memory and rasterisation performance that trades blows with far more expensive NVIDIA cards. Ray tracing improved sharply this generation but still trails NVIDIA at the same price.

  • Estimated 60-85 FPS at 4K in a typical modern AAA game at High settings, no upscaling. Modelled estimate, not a measurement.
  • 16 GB of GDDR6 memory on a 256-bit bus.
  • $599 launch MSRP.

Strengths

  • 16 GB of VRAM as standard, with real headroom at 1440p and 4K
  • Rasterisation performance well above its price tier
  • FSR 4 brings AMD's upscaling much closer to DLSS in image quality

Trade-offs

  • 304 W is high for the performance tier
  • Ray tracing still trails equivalently priced NVIDIA cards
  • FSR 4 support depends on the game, and the catalogue is smaller than DLSS

Cheaper alternative: RX 9070 at $549

More powerful: RTX 5070 Ti at $749

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#3
NVIDIA$999 MSRPCategory score 70/100

NVIDIA GeForce RTX 5080

A capable 4K card with the full RTX 50 feature set at roughly half the price of the flagship. The 16 GB memory pool is the one specification that invites debate at this price point.

  • Estimated 70-100 FPS at 4K in a typical modern AAA game at High settings, no upscaling. Modelled estimate, not a measurement.
  • 16 GB of GDDR7 memory on a 256-bit bus.
  • $999 launch MSRP.

Strengths

  • Strong 4K performance without the flagship's power and size requirements
  • 960 GB/s of GDDR7 bandwidth, unusually high for a 256-bit card
  • Full DLSS 4 feature set including Multi Frame Generation

Trade-offs

  • 16 GB is the same capacity as the previous generation's equivalent tier
  • The gap to the RTX 5090 is much larger than the gap in price suggests
  • Still a four-figure purchase

Cheaper alternative: RX 9070 XT at $599

More powerful: RTX 5090 at $1,999

Full specificationsCompare with alternatives

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The thinking behind this category

These picks come from the database. The guide explains the decision they are meant to answer.

The best graphics cards for 4K gaming

4K is roughly 2.3 times the pixel count of 1440p, and it is unforgiving of a narrow memory bus or a small memory pool. This ranking weights 4K performance and VRAM heavily and excludes cards with under 12 GB of memory.

Other categories

The same database, weighted for a different priority. Expect different winners.