Nvidia GeForce RTX 3080 vs Nvidia GeForce RTX 4080 Mobile

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

Verdict

Key takeaways

  • Nvidia GeForce RTX 3080 and Nvidia GeForce RTX 4080 Mobile are closely matched overall (within 1 point).
  • Key differences: performance (FP32), where Nvidia GeForce RTX 4080 Mobile has 33.8 vs 29.8 TFLOPS; capacity, where Nvidia GeForce RTX 4080 Mobile has 12 GB vs 10 GB; bandwidth, where Nvidia GeForce RTX 3080 has 760 vs 432 GB/s; performance (FP16), where Nvidia GeForce RTX 4080 Mobile has 33.8 vs 29.768 TFLOPS; maximum power, where Nvidia GeForce RTX 4080 Mobile has 150 vs 320 W.
Nvidia GeForce RTX 3080 and Nvidia GeForce RTX 4080 Mobile are closely matched
Nvidia GeForce RTX 3080 · #27 of 156
64
Nvidia GeForce RTX 4080 Mobile · #30 of 156
63
Key differences
  • PerformanceNvidia GeForce RTX 4080 Mobile 33.8 vs 29.8 TFLOPS
  • CapacityNvidia GeForce RTX 4080 Mobile 12 GB vs 10 GB
  • BandwidthNvidia GeForce RTX 3080 760 vs 432 GB/s
  • PerformanceNvidia GeForce RTX 4080 Mobile 33.8 vs 29.768 TFLOPS
  • Maximum PowerNvidia GeForce RTX 4080 Mobile 150 vs 320 W

Scores by Category

Evenly split — each wins 2 of 6 categories

CategoryGeForce RTX 3080GeForce RTX 4080 MobileLead
Benchmark
Tie
Theoretical Performance
+7
Memory
+9
Miscellaneous
+55
Core Specifications
+65
API Support
Tie

Value for Money

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

GeForce RTX 4080 Mobile

Detailed Specifications

Core Specifications

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
Base Power
N/A
60 W
Maximum Power
320 W
150 W53% less
Lithography Process
8 nm
5 nm38% less

Memory

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
Capacity
10 GB
12 GB20% more
Technology
Bandwidth
760 GB/s76% more
432 GB/s

API Support

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
DirectX Version
12
12
Vulkan Version
1.4
1.4

Theoretical Performance

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
Performance (FP16)
29.768 TFLOPS
33.8 TFLOPS14% more
Performance (FP32)
29.8 TFLOPS
33.8 TFLOPS13% more

Benchmark

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
G3D Mark
24,978
24,737

Miscellaneous

Feature
GeForce RTX 3080
GeForce RTX 4080 Mobile
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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