Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 5090
VS
Nvidia GeForce RTX 4090 Mobile 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 Mobile leads Nvidia GeForce RTX 3080 overall by 7 points (69 vs 62 out of 100).
- Key differences: performance (FP32), where Nvidia GeForce RTX 4090 Mobile has 50.1 vs 29.8 TFLOPS; capacity, where Nvidia GeForce RTX 4090 Mobile has 16 GB vs 10 GB; bandwidth, where Nvidia GeForce RTX 3080 has 760 vs 576 GB/s; performance (FP16), where Nvidia GeForce RTX 4090 Mobile has 50.1 vs 29.768 TFLOPS; maximum power, where Nvidia GeForce RTX 4090 Mobile has 150 vs 320 W.
Nvidia GeForce RTX 4090 Mobile leads overall
Nvidia GeForce RTX 4090 Mobile · #24 of 156
69
Nvidia GeForce RTX 3080 · #27 of 156
62
Key differences
- PerformanceNvidia GeForce RTX 4090 Mobile 50.1 vs 29.8 TFLOPS
- CapacityNvidia GeForce RTX 4090 Mobile 16 GB vs 10 GB
- BandwidthNvidia GeForce RTX 3080 760 vs 576 GB/s
- PerformanceNvidia GeForce RTX 4090 Mobile 50.1 vs 29.768 TFLOPS
- Maximum PowerNvidia GeForce RTX 4090 Mobile 150 vs 320 W
Scores by Category
GeForce RTX 4090 Mobile wins 4 of 6 categories · GeForce RTX 3080 wins 1
| Category | GeForce RTX 4090 MobileGeForce RTX 3080 | Lead |
|---|---|---|
| Benchmark | +6 | |
| Theoretical Performance | +25 | |
| Memory | +10 | |
| Miscellaneous | +55 | |
| Core Specifications | +65 | |
| API Support | Tie |
Value for Money
Launch prices — enter today's prices (same currency for both).
GeForce RTX 4090 Mobile
GeForce RTX 3080
Detailed Specifications
Core Specifications
| Feature | GeForce RTX 4090 Mobile | GeForce RTX 3080 |
|---|---|---|
Base Power | 80 W | N/A |
Maximum Power | 150 W53% less | 320 W |
Lithography Process | 5 nm38% less | 8 nm |
Memory
| Feature | GeForce RTX 4090 Mobile | GeForce RTX 3080 |
|---|---|---|
Capacity | 16 GB60% more | 10 GB |
Technology | ||
Bandwidth | 576 GB/s | 760 GB/s32% more |
API Support
| Feature | GeForce RTX 4090 Mobile | GeForce RTX 3080 |
|---|---|---|
DirectX Version | 12 | 12 |
Vulkan Version | 1.4 | 1.4 |
Theoretical Performance
| Feature | GeForce RTX 4090 Mobile | GeForce RTX 3080 |
|---|---|---|
Performance (FP16) | 50.1 TFLOPS68% more | 29.768 TFLOPS |
Performance (FP32) | 50.1 TFLOPS68% more | 29.8 TFLOPS |
Benchmark
| Feature | GeForce RTX 4090 Mobile | GeForce RTX 3080 |
|---|---|---|
G3D Mark | 27,0308% more | 24,978 |
Miscellaneous
| Feature | GeForce RTX 4090 Mobile | 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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