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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.

NR

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.

Score71%
VS
NR

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.

Score71%

Quick Answer

AI Summary

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.

Our Verdict

AI-assisted

Choose 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.

Community feedback

Was this verdict helpful?

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NVIDIA RTX 5080
5.7/10
NVIDIA RTX 5090
9.3/10
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N

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.

N

Choose NVIDIA RTX 5090 if

Best pick

Professional 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)
See all 7 differences

Key Facts & Figures

19 numeric metrics compared

MetricNVIDIA RTX 5080NVIDIA RTX 5090Ratio
CUDA Cores(cores)14,08021,760
Memory Interface(bit)320-bit
Memory Bandwidth(GB/s)5761,792
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)1,4572,280
Ray Tracing (RT) Performance(TFLOPS)364570
Memory Capacity(GB)1632
Power Consumption (TDP)(W)320575
1440p Gaming (avg. fps in modern AAA)(fps)165240
Launch MSRP(USD)$1,999$1,999

Sourced from publicly available data ·

Key Differences

7 attributes compared head-to-head

NR
1NVIDIA RTX 5080
NVIDIA RTX 5090 leads1 tie
NR
5NVIDIA RTX 5090
  • 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

NNVIDIA RTX 5080
NNVIDIA RTX 5090
CUDA Cores(cores)
14,080
21,760
FP32 Performance(TFLOPS)
54.9 TFLOPS
Peak FP32 Performance(TFLOPS)
1,457
2,280
Memory Interface(bit)
320-bit
Boost Clock(GHz)
2.55 GHz
Memory Bandwidth(GB/s)
576
1,792
VRAM Capacity(GB)
16 GB GDDR7
Memory Capacity(GB)
16
32
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
575
Recommended Retail Price (USD)(USD)
$2,199
DLSS Frame Generation
DLSS 4 (native frame gen)
Ray Tracing (RT) Performance(TFLOPS)
364
570
1440p Gaming (avg. fps in modern AAA)(fps)
165
240
Launch MSRP(USD)
$1,999
$1,999

Pros & Cons

10 pros·4 cons across both

NR
NR
NR

NVIDIA RTX 5080

+5-2

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
NR

NVIDIA RTX 5090

+5-2

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

  1. 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.

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