GPU Buying Guide• 6 min read

RTX 5070 vs RX 9070: Choosing a GPU for 1440p

By WhatToUpgrade editorial team · Updated

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How we make recommendations and check specifications

Shortlist the RX 9070 if 16GB capacity matters for your workload; shortlist the RTX 5070 if a specific NVIDIA feature or application requirement matters more. For gaming, the deciding evidence should be matched tests in your games at the settings you intend to use, followed by current delivered prices.

There is no fixed price tie or universal winner here. Neither manufacturer specifications nor generated-frame marketing charts establish which card gives you the better experience. This guide separates verified hardware differences from the checks needed to make that decision.

Verified differences that affect the purchase

SpecificationRTX 5070RX 9070
Video memory12GB GDDR716GB GDDR6
Vendor reference power rating250W total graphics power220W typical board power
Vendor system PSU recommendation650W650W
AV1 encodingSupportedSupported

These are vendor specifications, not a controlled power-efficiency comparison. System power recommendations use vendor assumptions; check the retail board’s requirements for your complete PC. This comparison is for the 5070 and 9070, not the 5070 Ti or 9070 XT.

Sources: NVIDIA RTX 5070 family specifications · AMD Radeon RX 9070 specifications

Choose by the games and software you actually use

  • Mostly conventional rendering: compare native 1440p results with ray tracing off, using one reviewer’s matched tests. Check each important game instead of accepting an overall winner from unrelated averages.
  • Ray tracing is a priority: find results using your intended effects and settings. A light ray-tracing test does not answer a heavy path-tracing question. Read low-frame-rate and responsiveness results too.
  • A required application or plugin: check its current supported GPUs and acceleration backends. If your workflow requires CUDA, establish that requirement before comparing game FPS. Also check whether 12GB holds your project.
  • Textures or projects need extra memory: the 9070 has more capacity. Confirm a real need for that capacity; 16GB by itself does not establish higher performance in every workload.

Compare upscaling and frame generation fairly

NVIDIA lists DLSS Multi Frame Generation for the RTX 5070. AMD lists FSR support for the RX 9070. Support is specific to games, versions and modes: check the titles you use instead of paying for a feature list in the abstract.

Start with the rendered frame rate and frame-time behavior. Then compare upscaling at comparable image quality and assess frame generation separately. A large displayed FPS figure that includes generated frames is not a direct measurement of input response, and it should not be divided into price to rank unlike test modes.

For a competitive game, prioritize your latency and motion-quality requirements. For a slower single-player game, you may accept a different balance. Test the settings available in your existing games first so you know what you are trying to improve.

Sources: NVIDIA RTX 5070 family specifications · AMD Radeon RX 9070 specifications

Budget for the whole change

Compare delivered prices for the exact boards, including tax and any needed supporting parts. If upgrading an existing PC, subtract realistic resale proceeds after fees to calculate net cost, but budget for paying before the old card sells. Do not assume a launch price or an old article’s price still applies.

If the cheaper card meets your target in the relevant tests and runs your required software, it is the starting point for a value purchase. Pay a premium for a named benefit you will use. A premium cooler needs its own noise and temperature evidence; the GPU chip name does not establish those qualities.

Both reference PSU recommendations say 650W, but this does not certify an existing 650W unit. Check its exact model, the board maker’s connector requirements and the rest of the system. Physical dimensions and cable clearance also vary by board.

Who should wait or keep their existing GPU?

Keep your GPU if it already meets your target at settings you like. Investigate a CPU, memory or software limit when lowering graphics load barely improves performance; a more expensive GPU may not address that problem. Our analyzer can suggest what to check first, but it cannot benchmark your system.

Wait if you cannot yet find comparable results for the games that motivate the upgrade, or if neither complete purchase fits your budget. Do not base the decision on an unsupported claim that no new GPUs will launch this year. Use the checklist and retailer searches below only after establishing the reason to buy.

Frequently Asked Questions

Is 16GB automatically better than 12GB at 1440p?▸

More memory can help when a workload needs it, but capacity alone does not determine speed. Compare the exact games, textures and applications you use.

Can both cards encode AV1 video?▸

Yes, both manufacturers list AV1 encoding support. Check your application, settings and destination support; this does not mean their encoding results are identical.

Is either card guaranteed to meet my monitor’s refresh rate?▸

No. Frame rate depends on the game, settings and the rest of your system. Match benchmarks to your target and keep generated-frame counts separate.

Check before buying a GPU

Choose the option you are considering and work through the checks. Save a copy to use while shopping. Your selections stay on this page and reset when you leave or change the option.

Checks for the selected GPU

Choose an option to start the checks.

Compare retailer options →
Options to compare — affiliate links
Radeon RX 9070 16GB

Compare when your games and software support the card and the extra memory is useful at the offered price.

Check non-XT model, dimensions, seller and condition.

View options on Amazon
GeForce RTX 5070 12GB

Compare when matched results or a required feature justify its cost for your workload.

Check non-Ti model and confirm 12GB is sufficient for your projects.

View options on Amazon

Sources and editorial method

Source pages checked 2026-10-09. This is research-based buying advice, not a hands-on benchmark review. Manufacturer specifications establish features and compatibility requirements; our decision steps are editorial guidance. Prices and future performance are not predicted.

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