RTX 4090 vs RTX 4080: Performance & Price 2026
The RTX 4090 delivers 23% more CUDA cores (16,384 vs 9,728) and 28% higher memory bandwidth (1,092 GB/s vs 576 GB/s), making it significantly faster for professional workloads and high-end gaming, while the RTX 4080 offers better value at $600 less with still-excellent performance for 4K gaming.
NVIDIA RTX 4090
Flagship professional/gaming GPU with 16,384 CUDA cores and 24GB GDDR6X memory
Professional 3D artists, AI researchers, competitive high-FPS gamers, and content creators who need absolute maximum performance
NVIDIA RTX 4080
High-end gaming/professional GPU with 9,728 CUDA cores and 16GB GDDR6X memory
Gamers targeting 4K performance under $1,200, small studios handling moderate 3D projects, and professionals who need solid performance without enterprise pricing
Quick Answer
AI SummaryThe RTX 4090 delivers 23% more CUDA cores (16,384 vs 9,728) and 28% higher memory bandwidth (1,092 GB/s vs 576 GB/s), making it significantly faster for professional workloads and high-end gaming, while the RTX 4080 offers better value at $600 less with still-excellent performance for 4K gaming.
Our Verdict
AI-assistedChoose the RTX 4090 if you run professional 3D rendering, AI training, or competitive 4K gaming with max settings—the 23% performance gain justifies the cost for content creators. Choose the RTX 4080 if you want excellent 4K gaming at 120+ fps and professional work at a $400 lower price point with 45% better power efficiency.
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Choose NVIDIA RTX 4090 if
Best pickProfessional 3D artists, AI researchers, competitive high-FPS gamers, and content creators who need absolute maximum performance
Choose NVIDIA RTX 4080 if
Gamers targeting 4K performance under $1,200, small studios handling moderate 3D projects, and professionals who need solid performance without enterprise pricing
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Key Differences at a Glance
- CUDA Cores:✓ NVIDIA RTX 4090 wins(16,384 cores vs 9,728 cores)
- Memory Bandwidth:✓ NVIDIA RTX 4090 wins(1,092 GB/s vs 576 GB/s)
- 4K Gaming Performance (avg fps):✓ NVIDIA RTX 4090 wins(165-185 fps (Ultra) vs 120-140 fps (Ultra))
Key Facts & Figures
14 numeric metrics compared
| Metric | NVIDIA RTX 4090 | NVIDIA RTX 4080 | Ratio |
|---|---|---|---|
| CUDA Cores(cores) | 16,384 | 9,728 | |
| Memory Capacity(GB) | 24GB | 16GB | |
| Memory Bandwidth(GB/s) | 1,092 GB/s | 576 GB/s | |
| 4K Gaming Performance (Cyberpunk 2077 Ultra)(FPS) | 118 FPS | 98 FPS | |
| Average 4K Gaming FPS (15 AAA titles)(FPS) | 185 FPS | 155 FPS | |
| Blender Cycles Render Speed(relative performance) | 118% of RTX 4080 | 100% (baseline) | |
| Power Consumption (TDP)(W) | 575W | 320W | |
| Manufacturer Suggested Retail Price(USD) | $1,999 | $1,199 | |
| Memory Size(GB) | 24GB GDDR6X | 16GB GDDR6X | |
| Power Consumption(W) | 575W TDP | 320W TDP | |
| 4K Ultra Gaming Performance(fps) | 165-185 fps | 120-140 fps | |
| Tensor Performance (AI/ML)(TFLOPS) | 1,457 TFLOPS | 743 TFLOPS | |
| Ray Tracing Performance(TFLOPS) | 210 TFLOPS | 140 TFLOPS | |
| Original MSRP(USD) | $1,599 | $1,199 |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- 16,384 cores(winner)CUDA Cores9,728 cores
- 1,092 GB/s(winner)Memory Bandwidth576 GB/s
- 165-185 fps (Ultra)(winner)4K Gaming Performance (avg fps)120-140 fps (Ultra)
- $1,599MSRP Launch Price (USD)$1,199(winner)
- 575WPower Consumption (TDP)320W(winner)
- 210 TFLOPS(winner)Ray Tracing Performance140 TFLOPS
- 1,457 TFLOPS(winner)AI/ML Performance (Tensor)743 TFLOPS
- CUDA Cores
NVIDIA RTX 4090
16,384 cores(winner)
NVIDIA RTX 4080
9,728 cores
- Memory Bandwidth
NVIDIA RTX 4090
1,092 GB/s(winner)
NVIDIA RTX 4080
576 GB/s
- 4K Gaming Performance (avg fps)
NVIDIA RTX 4090
165-185 fps (Ultra)(winner)
NVIDIA RTX 4080
120-140 fps (Ultra)
- MSRP Launch Price (USD)
NVIDIA RTX 4090
$1,599
NVIDIA RTX 4080
$1,199(winner)
- Power Consumption (TDP)
NVIDIA RTX 4090
575W
NVIDIA RTX 4080
320W(winner)
- Ray Tracing Performance
NVIDIA RTX 4090
210 TFLOPS(winner)
NVIDIA RTX 4080
140 TFLOPS
- AI/ML Performance (Tensor)
NVIDIA RTX 4090
1,457 TFLOPS(winner)
NVIDIA RTX 4080
743 TFLOPS
Full Comparison
| Attribute | NVIDIA RTX 4090 | NVIDIA RTX 4080 |
|---|---|---|
| CUDA Cores(cores) | 16,384(winner) | 9,728 |
| Memory Bandwidth(GB/s) | 1,092 GB/s(winner) | 576 GB/s |
| Memory Size(GB) | 24GB GDDR6X(winner) | 16GB GDDR6X |
| Memory Capacity(GB) | 24GB(winner) | 16GB |
| 4K Gaming Performance (Cyberpunk 2077 Ultra)(FPS) | 118 FPS(winner) | 98 FPS |
| Average 4K Gaming FPS (15 AAA titles)(FPS) | 185 FPS(winner) | 155 FPS |
| Blender Cycles Render Speed(relative performance) | 118% of RTX 4080(winner) | 100% (baseline) |
| Power Consumption (TDP)(W) | 575W | 320W(winner) |
| Manufacturer Suggested Retail Price(USD) | $1,999 | $1,199(winner) |
| Original MSRP(USD) | $1,599 | $1,199(winner) |
| Power Consumption(W) | 575W TDP | 320W TDP(winner) |
| 4K Ultra Gaming Performance(fps) | 165-185 fps(winner) | 120-140 fps |
| Tensor Performance (AI/ML)(TFLOPS) | 1,457 TFLOPS(winner) | 743 TFLOPS |
| Ray Tracing Performance(TFLOPS) | 210 TFLOPS(winner) | 140 TFLOPS |
Pros & Cons
10 pros·4 cons across both
NVIDIA RTX 4090
Pros
- 16,384 CUDA cores deliver 23% more performance than RTX 4080
- 1,457 TFLOPS tensor performance for AI/ML and professional rendering
- 165-185 fps in 4K Ultra gaming settings (Cyberpunk 2077, Avatar FPS)
- Superior ray tracing with 210 TFLOPS dedicated performance
- Industry standard for 3D animation studios and AI research labs
Cons
- 575W power consumption requires premium 1000W+ PSU ($150-250 additional cost)
- $1,599 MSRP ($200-400 premium over RTX 4080 in secondary market
NVIDIA RTX 4080
Pros
- 320W power consumption—45% lower TDP allows standard 750W PSU compatibility
- $1,199 MSRP—$400 cheaper than RTX 4090 with 85% of its performance
- 120-140 fps stable at 4K Ultra settings for most modern AAA games
- 743 TFLOPS tensor performance sufficient for professional video editing and 3D work
- Better price-to-performance ratio for 1440p gaming (240+ fps achievable)
Cons
- 23% fewer CUDA cores limits performance in compute-intensive workloads like AI training
- 576 GB/s memory bandwidth creates 49% bottleneck vs RTX 4090 in large dataset processing
Frequently Asked Questions
5 questions
For professional work (3D rendering, AI training, video production), yes—the 23% performance boost and 8GB extra VRAM justify the cost. For gaming, no—the RTX 4080 delivers 120-140 fps at 4K Ultra settings, while the 4090 reaches 165-185 fps, a difference most gamers won't notice. The 4090 wins on value only if your workload truly demands maximum compute performance.
Resources & Learn More
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