RX 7800 XT
RTX 3090
RX 7800 XT vs RTX 3090
Which graphics card should you buy in 2026? Full spec comparison and analysis.
Our Pick: RX 7800 XT
The RX 7800 XT wins this matchup with better value for money, lower price ($499 vs $1499). At $499, it's also the more affordable option.
Performance Overview
Overall Performance
Gaming
Value for Money
Specifications Comparison
| Specification | RX 7800 XT | RTX 3090 |
|---|---|---|
| MSRP | $499Win | $1499 |
| VRAM | 16GB | 24GBWin |
| Memory Type | GDDR6 | GDDR6X |
| Boost Clock | 2430MHzWin | 1695MHz |
| Base Clock | 1295MHz | 1395MHzWin |
| Shader/Stream Processors | 3840 | 10496Win |
| Performance | 18.7TFLOPS | 35.6TFLOPSWin |
| TDP | 263WWin | 350W |
| Memory Bus | 256-bit | 384-bitWin |
| Bandwidth | 624GB/s | 936GB/sWin |
| Architecture | RDNA 3 | Ampere |
| Process Node | 5nmWin | 8nm |
| RT Cores | 60 | 82Win |
| AI Upscaling | FSR 3 | DLSS 2.0 |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Power Connector | 2x 8-pin | 2x 8-pin |
| Card Length | 267mmWin | 313mm |
| Benchmark Score | 43/100 | 47/100Win |
| Gaming Score | 46/100 | 49/100Win |
| Value Score | 72/100Win | 20/100 |
RX 7800 XT
MSRP: $499
Frequently Asked Questions
Is the RX 7800 XT better than the RTX 3090?
The RX 7800 XT is the stronger card overall. It scores 43/100 in synthetic benchmarks and 46/100 in gaming versus 47/100 and 49/100 for the RTX 3090. In practical terms, the RX 7800 XT is a 1440p medium / 1080p ultra card while the RTX 3090 targets 1440p medium / 1080p ultra. The RX 7800 XT also has 16GB of GDDR6 on a 256-bit bus, giving it more headroom for high-res textures and future titles.
Which is the better value, RX 7800 XT or RTX 3090?
The RTX 3090 costs 200% more for about 9% more performance. The RX 7800 XT at $499 offers noticeably better performance per dollar. Our value scores reflect this: RX 7800 XT gets 72/100 and RTX 3090 gets 20/100. If you are building on a tighter budget, the RX 7800 XT at $499 is the smarter buy. If you can stretch to $1499 and want the extra performance, the RTX 3090 justifies its price for demanding workloads.
Can the RX 7800 XT or RTX 3090 run games at 4K?
Neither card is an ideal 4K GPU. The RTX 3090 can manage 4K at medium settings in less demanding titles, but both are really designed for 1440p or 1080p gaming. If 4K is a priority, consider stepping up to a higher-tier card.
RX 7800 XT vs RTX 3090 for 1440p gaming -- which is better?
At 1440p, the RTX 3090 is more comfortable but you may need to dial settings down in newer AAA games. The RX 7800 XT will struggle at 1440p ultra in demanding titles. For a consistent 1440p experience, the RTX 3090 is the safer choice.
What CPU should I pair with the RX 7800 XT or RTX 3090?
To avoid bottlenecking the RX 7800 XT (gaming score 46/100), pair it with at least a Ryzen 5 7600 or Ryzen 5 9600X. For the RTX 3090 (gaming score 49/100), a Ryzen 5 7600 or Ryzen 5 9600X will keep things balanced. Overspending on the CPU relative to the GPU -- or vice versa -- leaves performance on the table. As a rule of thumb, your CPU should cost roughly 40-60% of your GPU budget for a gaming-focused build.
Is the RX 7800 XT worth it in 2026?
The RX 7800 XT remains a solid buy in 2026. With 16GB of GDDR6 and RDNA 3 architecture, it handles current games at 1440p medium / 1080p ultra settings without issues. Support for FSR 3 extends its lifespan further by boosting frame rates in supported titles. At $499 MSRP, it offers strong value and should stay relevant for at least another 2-3 years of AAA gaming.
Should I wait for next-gen or buy the RX 7800 XT now?
If you need a GPU now, the RX 7800 XT at $499 is a perfectly capable 1440p or 1080p card. The latest GPUs (NVIDIA RTX 50-series Blackwell, AMD RDNA 4) are now available, so consider comparing against the newest options in your budget. The RX 7800 XT's RDNA 3 architecture and 16GB VRAM still have plenty of life left.
How much power does the RX 7800 XT vs RTX 3090 use?
The RTX 3090 draws 350W TDP versus 263W for the RX 7800 XT, a difference of 87W. For the RTX 3090, a quality 850W PSU is recommended. The power difference is modest enough that PSU choice should not be a deciding factor between these two. The RX 7800 XT uses a 2x 8-pin connector while the RTX 3090 needs 2x 8-pin.
How many FPS can I expect from the RX 7800 XT vs RTX 3090?
Exact FPS varies by game and settings, but based on our gaming benchmark scores (RX 7800 XT: 46/100, RTX 3090: 49/100), the RTX 3090 typically delivers 7% more frames than the RX 7800 XT at the same resolution and settings. In popular titles at 1440p or 1080p, the RTX 3090 with its 35.6 TFLOPS of compute power and 936 GB/s memory bandwidth pushes well above 60 FPS. Enabling DLSS 2.0 upscaling can boost that by another 30-50% with minimal visual quality loss.