RTX 5090 vs RX 9070 XT: Specs Compared
RTX 5090 vs RX 9070 XT on NVIDIA's and AMD's own specs: cores, memory, clocks, power and PSU needs, upscaling, encoders, and which build each card suits.
RTX 5090 or RX 9070 XT? On the makers' own specification sheets they are not cards of the same class. NVIDIA's GeForce RTX 5090 carries 32 GB of GDDR7 on a 512-bit bus and a 575 W power rating; AMD's Radeon RX 9070 XT is a 16 GB, 304 W card that AMD pairs with a 750 W power supply. Choose the 5090 if you want the most graphics memory and NVIDIA's full feature set and can feed and cool it; choose the 9070 XT if you want a high-end gaming card that fits an ordinary PC build.
A correction: earlier versions of this page compared the RTX 5090 with an "RX 9800 XT". AMD lists no such card, and the specifications on that page were not NVIDIA's either. This version uses only the figures NVIDIA and AMD publish on their own product pages, checked on 30 September 2026.
Specifications compared
| GeForce RTX 5090 | Radeon RX 9070 XT | |
|---|---|---|
| Architecture | NVIDIA Blackwell | AMD RDNA 4 |
| Shader units | 21,760 CUDA cores | 4,096 stream processors (64 compute units) |
| Ray tracing and AI hardware | 4th-gen RT cores; 5th-gen Tensor cores rated at 3,352 AI TOPS | 64 ray accelerators; 128 AI accelerators |
| Clocks | 2.41 GHz boost, 2.01 GHz base | Up to 2,970 MHz boost, 2,400 MHz game clock |
| Memory | 32 GB GDDR7, 512-bit | 16 GB GDDR6, 256-bit, up to 640 GB/s, plus 64 MB Infinity Cache |
| Board power | 575 W total graphics power | 304 W typical board power |
| Power supply guidance | 1,000 W required system power | 750 W minimum recommendation |
| Power connectors | 1x 600 W PCIe Gen 5 cable, or 4x PCIe 8-pin via the included adapter | 2x 8-pin |
| Display outputs | 3x DisplayPort 2.1b, 1x HDMI 2.1b | DisplayPort 2.1a, HDMI 2.1b |
| Upscaling and frame generation | DLSS 4: Super Resolution, DLAA, Ray Reconstruction, Frame Generation, Multi Frame Generation | AMD FSR "Redstone", AMD Fluid Motion Frames |
| Video encoding | 3x ninth-generation NVENC, AV1 encode | AV1, H.265/HEVC and H.264 encode |
| Interface | PCI Express Gen 5 | PCIe 5.0 x16 |
Sources: NVIDIA GeForce RTX 5090, AMD Radeon RX 9070 XT and AMD's RDNA architecture page, which states that RDNA 4 powers the Radeon RX 9000 Series. NVIDIA's figures describe its Founders Edition design, and NVIDIA bases the 1,000 W figure on a PC built around a Ryzen 9 9950X. Partner cards from board makers can differ in clocks, power connectors and size, so check the exact model you buy.
What the numbers mean in practice
Memory is the clearest gap. The 5090's 32 GB is double the 9070 XT's 16 GB, and it matters most where memory runs out first: very high resolutions with maximum texture settings, heavy path tracing, and creative or local AI work that loads large models or scenes.
Power and heat are the other big difference. A 575 W card needs a power supply to match, a 600 W PCIe Gen 5 cable or four 8-pin leads, and a case with room and airflow for it; NVIDIA's Founders Edition is 304 mm long and 137 mm wide. The 9070 XT's 304 W rating and 750 W supply guidance put it within reach of a typical mid-tower build.
Features split along brand lines. Multi Frame Generation is part of DLSS 4 on RTX 50 Series cards, while AMD offers FSR "Redstone" and Fluid Motion Frames. Which looks and feels better varies game by game, so judge it from side-by-side comparisons in independent reviews rather than from the feature list. For streamers, both cards encode AV1; NVIDIA lists three NVENC encoders on the 5090.
If you play competitive shooters at high refresh rates, remember that the graphics card is only one link in the chain. Our CPU vs GPU bottleneck guide shows how to tell which part is holding you back, and our GPU thermal throttling guide covers the stutter a hot, power-hungry card can cause in long sessions.
Performance: what we can and cannot tell you
We do not run a GPU test bench, so this page quotes no frame rates. AMD publishes 4K results for the RX 9070 XT from its own test system, and NVIDIA publishes its own RTX 5090 results; treat any maker-run figure as a claim rather than a comparison. For numbers you can rely on, use an independent review that tests both cards on the same system with the same driver versions and settings.
Price
Neither maker's product page showed a price for these cards when we checked on 30 September 2026, so we do not quote one. Graphics card prices move constantly; compare current retailer prices on the day you buy.
Which should you buy?
- Choose the RTX 5090 if you game at 4K with path tracing, want DLSS 4 Multi Frame Generation, or do creative or AI work that needs 32 GB of graphics memory, and you are ready to budget for a 1,000 W-class power supply, a large case and good cooling.
- Choose the RX 9070 XT if you want high-end gaming performance in a normal build: 16 GB of memory, a 304 W board power rating, two 8-pin connectors and a 750 W supply.
- For esports titles at 1080p or 1440p, the processor, memory and monitor often matter as much as the graphics card. See our DDR5 vs DDR4 guide and our best monitors for competitive gaming.
Frequently asked questions
Q: Is the RX 9070 XT a direct rival to the RTX 5090? A: Not on the makers' specifications. The RTX 5090 has 32 GB of GDDR7 on a 512-bit bus and a 575 W rating; the RX 9070 XT has 16 GB of GDDR6 on a 256-bit bus and a 304 W typical board power. They suit different budgets and builds.
Q: Does an AMD Radeon RX 9800 XT exist? A: AMD's own product pages list no Radeon RX 9800 XT. The Radeon RX 9000 Series card compared here is the RX 9070 XT, specified on amd.com.
Q: What power supply does the RTX 5090 need? A: NVIDIA lists 1,000 W required system power, based on a PC with a Ryzen 9 9950X, and a 600 W PCIe Gen 5 cable or four PCIe 8-pin cables through the included adapter. Requirements vary with the rest of your system.
Q: What power supply does the RX 9070 XT need? A: AMD recommends a minimum 750 W power supply and lists two 8-pin power connectors and a 304 W typical board power.
Q: Which card is better for streaming? A: Both encode AV1. NVIDIA lists three ninth-generation NVENC encoders on the RTX 5090; AMD lists AV1, H.265/HEVC and H.264 encoding on the RX 9070 XT. Encoding quality comparisons belong to independent reviews that test both.