RTX 5080
RTX 4090
RTX 5080 vs RTX 4090
Which graphics card should you buy in 2026? Full spec comparison and analysis.
Our Pick: RTX 5080
The RTX 5080 wins this matchup with better value for money, lower price ($999 vs $1599). At $999, it's also the more affordable option.
Performance Overview
Overall Performance
Gaming
Value for Money
Specifications Comparison
| Specification | RTX 5080 | RTX 4090 |
|---|---|---|
| MSRP | $999Win | $1599 |
| VRAM | 16GB | 24GBWin |
| Memory Type | GDDR7 | GDDR6X |
| Boost Clock | 2617MHzWin | 2520MHz |
| Base Clock | 2295MHzWin | 2235MHz |
| Shader/Stream Processors | 10752 | 16384Win |
| Performance | 56.3TFLOPS | 82.6TFLOPSWin |
| TDP | 360WWin | 450W |
| Memory Bus | 256-bit | 384-bitWin |
| Bandwidth | 960GB/s | 1008GB/sWin |
| Architecture | Blackwell | Ada Lovelace |
| Process Node | 4nm | 4nm |
| RT Cores | 84 | 128Win |
| AI Upscaling | DLSS 4 | DLSS 3.5 |
| Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |
| Power Connector | 1x 16-pin | 1x 16-pin |
| Card Length | 304mmWin | 336mm |
| Benchmark Score | 77/100 | 80/100Win |
| Gaming Score | 80/100 | 82/100Win |
| Value Score | 52/100Win | 32/100 |
RTX 5080
MSRP: $999
Frequently Asked Questions
Is the RTX 5080 better than the RTX 4090?
The RTX 5080 is the stronger card overall. It scores 77/100 in synthetic benchmarks and 80/100 in gaming versus 80/100 and 82/100 for the RTX 4090. In practical terms, the RTX 5080 is a 4K medium-to-high / 1440p ultra card while the RTX 4090 targets 4K medium-to-high / 1440p ultra. The RTX 5080 also has 16GB of GDDR7 on a 256-bit bus, giving it more headroom for high-res textures and future titles.
Which is the better value, RTX 5080 or RTX 4090?
The RTX 4090 costs 60% more for about 4% more performance. The RTX 5080 at $999 offers noticeably better performance per dollar. Our value scores reflect this: RTX 5080 gets 52/100 and RTX 4090 gets 32/100. If you are building on a tighter budget, the RTX 5080 at $999 is the smarter buy. If you can stretch to $1599 and want the extra performance, the RTX 4090 justifies its price for demanding workloads.
Can the RTX 5080 or RTX 4090 run games at 4K?
The RTX 4090 handles 4K gaming well, delivering playable frame rates in most AAA titles at high-to-ultra settings especially with DLSS 3.5 upscaling enabled. The RTX 5080 can also manage 4K at reduced settings, where 16GB of VRAM is adequate. For a native 4K experience without heavy reliance on upscaling, the RTX 4090 is the clear pick.
RTX 5080 vs RTX 4090 for 1440p gaming -- which is better?
Both GPUs can handle 1440p, but the RTX 4090 does it with more headroom. With 82.6 TFLOPS of compute and 24GB VRAM, it consistently pushes higher frame rates at 1440p ultra compared to the RTX 5080's 56.3 TFLOPS and 16GB. If you own a high-refresh 1440p monitor (144Hz+), the RTX 4090's extra performance matters. For a standard 60Hz panel, either card will do fine.
What CPU should I pair with the RTX 5080 or RTX 4090?
To avoid bottlenecking the RTX 5080 (gaming score 80/100), pair it with at least a Ryzen 7 9800X3D or Core Ultra 7 265K. For the RTX 4090 (gaming score 82/100), a Ryzen 7 9800X3D or Core Ultra 7 265K 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 RTX 5080 worth it in 2026?
The RTX 5080 remains a solid buy in 2026. With 16GB of GDDR7 and Blackwell architecture, it handles current games at 4K medium-to-high / 1440p ultra settings without issues. Support for DLSS 4 extends its lifespan further by boosting frame rates in supported titles. At $999 MSRP, it is on the pricier side, but you are paying for top-tier performance that will age gracefully.
Should I wait for next-gen or buy the RTX 5080 now?
If you need a GPU now, the RTX 5080 at $999 is a perfectly capable 4K or 1440p ultrawide 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 RTX 5080's Blackwell architecture and 16GB VRAM still have plenty of life left.
How much power does the RTX 5080 vs RTX 4090 use?
The RTX 4090 draws 450W TDP versus 360W for the RTX 5080, a difference of 90W. For the RTX 4090, 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 RTX 5080 uses a 1x 16-pin connector while the RTX 4090 needs 1x 16-pin.
How many FPS can I expect from the RTX 5080 vs RTX 4090?
Exact FPS varies by game and settings, but based on our gaming benchmark scores (RTX 5080: 80/100, RTX 4090: 82/100), the RTX 4090 typically delivers 3% more frames than the RTX 5080 at the same resolution and settings. In popular titles at 4K or 1440p ultrawide, the RTX 4090 with its 82.6 TFLOPS of compute power and 1008 GB/s memory bandwidth pushes well above 60 FPS. Enabling DLSS 3.5 upscaling can boost that by another 30-50% with minimal visual quality loss.