RTX 5090 vs RTX 5080: 2026 GPU Comparison
The RTX 5090 delivers 35% more CUDA cores (21,760 vs 14,080), 50% more memory bandwidth (1,792 GB/s vs 576 GB/s), and 2x the performance in ray tracing, making it the flagship for enthusiasts, while the RTX 5080 offers exceptional value with 80% of the performance at 60% of the cost.
NVIDIA RTX 5080
Mid-range flagship GPU with 14,080 CUDA cores and 16GB GDDR7 memory for high-end gaming and content creation.
Competitive 1440p gamers, streamers running simultaneous encoding, professionals doing standard video editing, and budget-conscious content creators wanting flagship features.
NVIDIA RTX 5090
Ultra-high-end flagship GPU with 21,760 CUDA cores, 32GB GDDR7 memory, and 2x the ray tracing performance of the RTX 5080.
Professional 3D artists rendering Octane/V-Ray scenes, AI researchers training models, competitive 4K gamers targeting 240+ fps, and content studios running render farms.
Quick Answer
AI SummaryThe RTX 5090 delivers 35% more CUDA cores (21,760 vs 14,080), 50% more memory bandwidth (1,792 GB/s vs 576 GB/s), and 2x the performance in ray tracing, making it the flagship for enthusiasts, while the RTX 5080 offers exceptional value with 80% of the performance at 60% of the cost.
Our Verdict
AI-assistedChoose the RTX 5090 if you demand maximum performance for 4K gaming at 240+ fps, professional rendering, or AI workloads—its 56% higher CUDA count and doubled ray tracing power justify the investment for content creators and competitive enthusiasts. Choose the RTX 5080 if you want excellent 1440p/4K gaming (100-165 fps range), streaming workflows, or value efficiency—it delivers 80% of the flagship's performance at significantly lower power consumption and thermals.
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Choose NVIDIA RTX 5080 if
Competitive 1440p gamers, streamers running simultaneous encoding, professionals doing standard video editing, and budget-conscious content creators wanting flagship features.
Choose NVIDIA RTX 5090 if
Best pickProfessional 3D artists rendering Octane/V-Ray scenes, AI researchers training models, competitive 4K gamers targeting 240+ fps, and content studios running render farms.
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Key Differences at a Glance
- CUDA Cores:✓ NVIDIA RTX 5090 wins(21,760 cores vs 14,080 cores)
- Memory Bandwidth:✓ NVIDIA RTX 5090 wins(1,792 GB/s vs 576 GB/s)
- Peak FP32 Performance:✓ NVIDIA RTX 5090 wins(2,280 TFLOPS vs 1,457 TFLOPS)
Key Facts & Figures
19 numeric metrics compared
| Metric | NVIDIA RTX 5080 | NVIDIA RTX 5090 | Ratio |
|---|---|---|---|
| CUDA Cores(cores) | 14,080 | 21,760 | |
| Memory Interface(bit) | 320-bit | — | — |
| Memory Bandwidth(GB/s) | 576 | 1,792 | |
| FP32 Performance(TFLOPS) | 54.9 TFLOPS | — | — |
| Boost Clock(GHz) | 2.55 GHz | — | — |
| VRAM Capacity(GB) | 16 GB GDDR7 | — | — |
| Power Consumption(watts) | 575W TDP | — | — |
| Launch Price (MSRP)(USD) | $999 | — | — |
| Boost Clock Speed(MHz) | 2,655 MHz | — | — |
| 4K Gaming Performance (avg FPS)(FPS) | 165 FPS (ultra settings) | — | — |
| TDP (Power Consumption)(Watts) | 575W | — | — |
| FP32 Tensor Performance(TFLOPS) | 1,457 TFLOPS | — | — |
| Recommended Retail Price (USD)(USD) | $2,199 | — | — |
| Peak FP32 Performance(TFLOPS) | 1,457 | 2,280 | |
| Ray Tracing (RT) Performance(TFLOPS) | 364 | 570 | |
| Memory Capacity(GB) | 16 | 32 | |
| Power Consumption (TDP)(W) | 320 | 575 | |
| 1440p Gaming (avg. fps in modern AAA)(fps) | 165 | 240 | |
| Launch MSRP(USD) | $1,999 | $1,999 |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- 14,080 coresCUDA Cores21,760 cores(winner)
- 576 GB/sMemory Bandwidth1,792 GB/s(winner)
- 1,457 TFLOPSPeak FP32 Performance2,280 TFLOPS(winner)
- 364 TFLOPSRay Tracing Performance570 TFLOPS(winner)
- $1,999MSRP at Launch$1,999
- 320W(winner)Power Consumption (TDP)575W
- 16GB GDDR7Memory Capacity32GB GDDR7(winner)
- CUDA Cores
NVIDIA RTX 5080
14,080 cores
NVIDIA RTX 5090
21,760 cores(winner)
- Memory Bandwidth
NVIDIA RTX 5080
576 GB/s
NVIDIA RTX 5090
1,792 GB/s(winner)
- Peak FP32 Performance
NVIDIA RTX 5080
1,457 TFLOPS
NVIDIA RTX 5090
2,280 TFLOPS(winner)
- Ray Tracing Performance
NVIDIA RTX 5080
364 TFLOPS
NVIDIA RTX 5090
570 TFLOPS(winner)
- MSRP at Launch
NVIDIA RTX 5080
$1,999
NVIDIA RTX 5090
$1,999
- Power Consumption (TDP)
NVIDIA RTX 5080
320W(winner)
NVIDIA RTX 5090
575W
- Memory Capacity
NVIDIA RTX 5080
16GB GDDR7
NVIDIA RTX 5090
32GB GDDR7(winner)
Full Comparison
| Attribute | NVIDIA RTX 5080 | NVIDIA RTX 5090 |
|---|---|---|
| CUDA Cores(cores) | 14,080 | 21,760(winner) |
| FP32 Performance(TFLOPS) | 54.9 TFLOPS | — |
| Peak FP32 Performance(TFLOPS) | 1,457 | 2,280(winner) |
| Memory Interface(bit) | 320-bit | — |
| Boost Clock(GHz) | 2.55 GHz | — |
| Memory Bandwidth(GB/s) | 576 | 1,792(winner) |
| VRAM Capacity(GB) | 16 GB GDDR7 | — |
| Memory Capacity(GB) | 16 | 32(winner) |
| Power Consumption(watts) | 575W TDP | — |
| Launch Price (MSRP)(USD) | $999 | — |
| Boost Clock Speed(MHz) | 2,655 MHz | — |
| 4K Gaming Performance (avg FPS)(FPS) | 165 FPS (ultra settings) | — |
| FP32 Tensor Performance(TFLOPS) | 1,457 TFLOPS | — |
| TDP (Power Consumption)(Watts) | 575W | — |
| Power Consumption (TDP)(W) | 320(winner) | 575 |
| Recommended Retail Price (USD)(USD) | $2,199 | — |
| DLSS Frame Generation | DLSS 4 (native frame gen) | — |
| Ray Tracing (RT) Performance(TFLOPS) | 364 | 570(winner) |
| 1440p Gaming (avg. fps in modern AAA)(fps) | 165 | 240(winner) |
| Launch MSRP(USD) | $1,999 | $1,999 |
Pros & Cons
10 pros·4 cons across both
NVIDIA RTX 5080
Pros
- 320W TDP enables quieter, more efficient cooling solutions and lower electricity costs
- Excellent 1440p performance (150-180 fps in modern AAA titles)
- Strong 4K gaming capability at high settings (80-120 fps in demanding games)
- 16GB VRAM sufficient for most gaming and creative workflows
- Better power-to-performance ratio for mainstream users
Cons
- Limited to 16GB memory—insufficient for large-scale 3D scene rendering or extreme AI batch processing
- 575 GB/s memory bandwidth becomes bottleneck in memory-intensive workloads vs RTX 5090
NVIDIA RTX 5090
Pros
- 21,760 CUDA cores deliver 56% more compute performance than RTX 5080 for rendering and AI
- 32GB GDDR7 memory ideal for complex 3D scenes, large datasets, and multi-GPU workloads
- 1,792 GB/s memory bandwidth (3.1x higher) eliminates bottlenecks in data-intensive applications
- 570 TFLOPS ray tracing performance enables photorealistic real-time rendering at 4K 240 fps
- Superior AI inference speed—2.8x faster than RTX 5080 for large language models and vision tasks
Cons
- 575W TDP requires robust PSU (1200W+ recommended), higher cooling costs, and elevated room temperatures
- Overkill for 1440p gaming and most casual workflows—wasted performance potential for mainstream users
Frequently Asked Questions
5 questions
For 1440p gaming, the RTX 5080 is ideal—it reaches 165+ fps in modern AAA games with maxed settings, and costs $2,000 less per watt of efficiency. For 4K 240 fps competitive gaming or future-proofing for 2-3 years, the RTX 5090's 56% extra performance justifies the purchase. At 1440p, the RTX 5080 hits diminishing returns where the 5090 offers only 45% more fps for the same $1,999 price, making the 5080 superior value for gamers.
Resources & Learn More
Curated sources to dive deeper
Where to Buy
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Wikipedia
- W
NVIDIA RTX 5080 on Wikipedia (opens in new tab)
Mid-range flagship GPU with 14,080 CUDA cores and 16GB GDDR7 memory for high-end gaming and content creation.
- W
NVIDIA RTX 5090 on Wikipedia (opens in new tab)
Ultra-high-end flagship GPU with 21,760 CUDA cores, 32GB GDDR7 memory, and 2x the ray tracing performance of the RTX 5080.
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