Nvidia GeForce RTX 4090 vs Nvidia GeForce RTX 3080

Updated Jun 2026 · Scored by the Let’s Compare Data Engine · How we score

Verdict

Key takeaways

  • Nvidia GeForce RTX 4090 leads Nvidia GeForce RTX 3080 overall by 23 points (82 vs 59 out of 100).
  • Key differences: G3D mark, where Nvidia GeForce RTX 4090 has 38,037 vs 24,978; performance (FP32), where Nvidia GeForce RTX 4090 has 82.6 vs 29.8 TFLOPS; capacity, where Nvidia GeForce RTX 4090 has 24 GB vs 10 GB; bandwidth, where Nvidia GeForce RTX 4090 has 1,008 vs 760 GB/s; performance (FP16), where Nvidia GeForce RTX 4090 has 82.575 vs 29.768 TFLOPS.
  • Best value: Nvidia GeForce RTX 3080 (from $699) — the strongest score-per-dollar of the two.
Nvidia GeForce RTX 4090 leads overall
Nvidia GeForce RTX 4090 · #2 of 156
82
Nvidia GeForce RTX 3080 · #27 of 156
59
Key differences
  • G3D MarkNvidia GeForce RTX 4090 38,037 vs 24,978
  • PerformanceNvidia GeForce RTX 4090 82.6 vs 29.8 TFLOPS
  • CapacityNvidia GeForce RTX 4090 24 GB vs 10 GB
  • BandwidthNvidia GeForce RTX 4090 1,008 vs 760 GB/s
  • PerformanceNvidia GeForce RTX 4090 82.575 vs 29.768 TFLOPS

Scores by Category

GeForce RTX 4090 wins 4 of 6 categories

CategoryGeForce RTX 4090GeForce RTX 3080Lead
Benchmark
+27
Theoretical Performance
+42
Memory
+30
Miscellaneous
Tie
Core Specifications
+4
API Support
Tie

Value for Money

Launch prices — enter today's prices (same currency for both).

Detailed Specifications

Core Specifications

Feature
GeForce RTX 4090
GeForce RTX 3080
Maximum Power
450 W
320 W29% less
Lithography Process
5 nm38% less
8 nm

Memory

Feature
GeForce RTX 4090
GeForce RTX 3080
Capacity
24 GB140% more
10 GB
Technology
Bandwidth
1,008 GB/s33% more
760 GB/s

API Support

Feature
GeForce RTX 4090
GeForce RTX 3080
DirectX Version
12
12
Vulkan Version
1.4
1.4

Theoretical Performance

Feature
GeForce RTX 4090
GeForce RTX 3080
Performance (FP16)
82.575 TFLOPS177% more
29.768 TFLOPS
Performance (FP32)
82.6 TFLOPS177% more
29.8 TFLOPS

Benchmark

Feature
GeForce RTX 4090
GeForce RTX 3080
G3D Mark
38,03752% more
24,978

Miscellaneous

Feature
GeForce RTX 4090
GeForce RTX 3080
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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