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RTX 4090 vs 4080: Performance & Value Compared 2026

The RTX 4090 delivers 35-40% higher performance than the RTX 4080 across gaming and compute workloads, but costs $1,600 more and consumes 150W additional power. The RTX 4080 remains excellent for 4K gaming and professional work at a significantly lower price point.

NG

NVIDIA GeForce RTX 4090

Flagship consumer GPU with 16,384 CUDA cores delivering top-tier performance for gaming and AI workloads

Professional AI researchers, 3D artists, content creators, competitive 8K gamers, and users needing maximum future-proof performance

Score63%
VS
NG

NVIDIA GeForce RTX 4080

High-end consumer GPU with 10,240 CUDA cores balancing performance and power efficiency for enthusiast gaming

Enthusiast gamers targeting 4K 60-100 fps, professional 3D artists, video editors, and AI hobbyists valuing power efficiency and price-to-performance

Score63%

Quick Answer

AI Summary

The RTX 4090 delivers 35-40% higher performance than the RTX 4080 across gaming and compute workloads, but costs $1,600 more and consumes 150W additional power. The RTX 4080 remains excellent for 4K gaming and professional work at a significantly lower price point.

Our Verdict

AI-assisted

Choose the RTX 4090 if you need maximum performance for 8K gaming, AI model training, professional 3D rendering, or future-proofing for 5+ years. Choose the RTX 4080 if you're targeting 4K gaming at 100+ fps, professional visualization work, or need better power efficiency and value for money in 2026.

Community feedback

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NVIDIA GeForce RTX 4090
7.8/10
NVIDIA GeForce RTX 4080
7.2/10
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Choose NVIDIA GeForce RTX 4090 if

Best pick

Professional AI researchers, 3D artists, content creators, competitive 8K gamers, and users needing maximum future-proof performance

N

Choose NVIDIA GeForce RTX 4080 if

Enthusiast gamers targeting 4K 60-100 fps, professional 3D artists, video editors, and AI hobbyists valuing power efficiency and price-to-performance

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Key Differences at a Glance

  • Peak FP32 Performance:NVIDIA GeForce RTX 4090 wins(82.6 TFLOPS vs 60.1 TFLOPS)
  • VRAM Configuration:NVIDIA GeForce RTX 4090 wins(24GB GDDR6X vs 16GB GDDR6X)
  • Power Consumption (TDP):NVIDIA GeForce RTX 4080 wins(320W vs 575W)
See all 7 differences

Key Facts & Figures

23 numeric metrics compared

MetricNVIDIA GeForce RTX 4090NVIDIA GeForce RTX 4080Ratio
Memory Bandwidth(GB/s)1,008 GB/s576 GB/s
VRAM Capacity(GB)24GB GDDR6X16GB GDDR6X
Tensor Performance(TFLOPS)2,457 TFLOPS (FP32)1,456 TFLOPS (FP32)
4K Gaming Performance(FPS)140-160 FPS @ 4K ultra95-110 FPS @ 4K ultra
Power Consumption(watts)450W TDP320W TDP
MSRP Price(USD)$3,199$1,599
Performance-to-Price Ratio(TFLOPS/$)0.038 TFLOPS/$0.061 TFLOPS/$
CUDA Core Count(cores)16,3849,728
Peak FP32 Performance(TFLOPS)82.6 TFLOPS60.1 TFLOPS
TDP (Thermal Design Power)(W)575320
Launch MSRP(USD)$1,599$1,199
Typical 4K Gaming FPS (High/Ultra)(fps)155110
Memory Capacity(GB)24GB GDDR6X16GB GDDR6X
Power Consumption (TDP)(W)450W320W
4K Ultra Gaming Performance(fps)120-144 fps90-110 fps
1440p Ultra Gaming Performance(fps)180-240 fps140-165 fps
MSRP Launch Price(USD)$1,599$1,199
Ray Tracing Performance vs RTX 4080(%)+28%Baseline (0%)
CUDA Cores(cores)16,38410,240
TDP (Power Consumption)(W)575W320W
4K Ultra Gaming Performance (1440p Ultra average)(fps)142 fps98 fps
Recommended PSU(W)1,200W850W
MSRP (USD)(USD)$1,996$1,199

Sourced from publicly available data ·

Key Differences

7 attributes compared head-to-head

NG
5NVIDIA GeForce RTX 4090
NVIDIA GeForce RTX 4090 leads
NG
2NVIDIA GeForce RTX 4080
  • Peak FP32 Performance

    NVIDIA GeForce RTX 4090

    82.6 TFLOPS(winner)

    NVIDIA GeForce RTX 4080

    60.1 TFLOPS

  • VRAM Configuration

    NVIDIA GeForce RTX 4090

    24GB GDDR6X(winner)

    NVIDIA GeForce RTX 4080

    16GB GDDR6X

  • Power Consumption (TDP)

    NVIDIA GeForce RTX 4090

    575W

    NVIDIA GeForce RTX 4080

    320W(winner)

  • 4K Ultra Gaming Performance (avg FPS)

    NVIDIA GeForce RTX 4090

    142 fps(winner)

    NVIDIA GeForce RTX 4080

    98 fps

  • MSRP (USD)

    NVIDIA GeForce RTX 4090

    $1,996

    NVIDIA GeForce RTX 4080

    $1,199(winner)

  • Ray Tracing Performance (RT TFLOPS)

    NVIDIA GeForce RTX 4090

    824 TFLOPS(winner)

    NVIDIA GeForce RTX 4080

    601 TFLOPS

  • Memory Bandwidth

    NVIDIA GeForce RTX 4090

    1,008 GB/s(winner)

    NVIDIA GeForce RTX 4080

    576 GB/s

Full Comparison

NNVIDIA GeForce RTX 4090
NNVIDIA GeForce RTX 4080
Memory Bandwidth(GB/s)
1,008 GB/s
576 GB/s
VRAM Capacity(GB)
24GB GDDR6X
16GB GDDR6X
Memory Capacity(GB)
24GB GDDR6X
16GB GDDR6X
Tensor Performance(TFLOPS)
2,457 TFLOPS (FP32)
1,456 TFLOPS (FP32)
Peak FP32 Performance(TFLOPS)
82.6 TFLOPS
60.1 TFLOPS
4K Gaming Performance(FPS)
140-160 FPS @ 4K ultra
95-110 FPS @ 4K ultra
4K Ultra Gaming Performance (1440p Ultra average)(fps)
142 fps
98 fps
Power Consumption(watts)
450W TDP
320W TDP
TDP (Thermal Design Power)(W)
575
320
MSRP Price(USD)
$3,199
$1,599
Performance-to-Price Ratio(TFLOPS/$)
0.038 TFLOPS/$
0.061 TFLOPS/$
CUDA Core Count(cores)
16,384
9,728
GPU Memory Type
GDDR6X
GDDR6X
Launch MSRP(USD)
$1,599
$1,199
MSRP (USD)(USD)
$1,996
$1,199
Typical 4K Gaming FPS (High/Ultra)(fps)
155
110
4K Ultra Gaming Performance(fps)
120-144 fps
90-110 fps
1440p Ultra Gaming Performance(fps)
180-240 fps
140-165 fps
Power Consumption (TDP)(W)
450W
320W
MSRP Launch Price(USD)
$1,599
$1,199
Ray Tracing Performance vs RTX 4080(%)
+28%
Baseline (0%)
CUDA Cores(cores)
16,384
10,240
TDP (Power Consumption)(W)
575W
320W
Recommended PSU(W)
1,200W
850W

Pros & Cons

10 pros·6 cons across both

NG
NG
NG

NVIDIA GeForce RTX 4090

+5-3

Pros

  • 35-40% faster performance than RTX 4080 across all benchmarks
  • 24GB VRAM enables large AI model training and 8K content creation
  • 824 RT TFLOPS for superior ray tracing performance in demanding titles
  • 1,008 GB/s memory bandwidth handles data-intensive compute tasks
  • Dominates 4K ultra gaming (142 fps average) and 8K gaming capability

Cons

  • 575W TDP requires high-end 1,200W+ PSU and increased cooling costs
  • $1,996 MSRP puts it out of budget for mainstream gamers
  • Overkill for 1440p and even most 4K gaming scenarios at 60-100 fps
NG

NVIDIA GeForce RTX 4080

+5-3

Pros

  • Excellent 4K ultra gaming at 98 fps average with superior power efficiency
  • 320W TDP works with standard 850W+ PSUs and reduces electricity costs
  • 16GB VRAM sufficient for most professional workflows and modern AAA games
  • $1,199 MSRP offers 40% better value per TFLOP than RTX 4090
  • 576 GB/s bandwidth handles competitive 1440p and 4K workloads efficiently

Cons

  • 35-40% slower than RTX 4090, limiting 8K gaming and heavy AI training
  • Only 16GB VRAM constraints large language model fine-tuning and extreme rendering
  • May require GPU upgrades within 4-5 years for cutting-edge applications

Frequently Asked Questions

5 questions

  1. The RTX 4090 is worth it only if you need 8K gaming, professional AI training on large models, or extreme 3D rendering. For 4K gaming at 60-100 fps and professional work, the RTX 4080 delivers 95% of the performance at 60% of the cost. Most gamers see diminishing returns at the 4090 price point.

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