GeForce RTX 4090 Laptop GPU vs GeForce RTX 3080 12GB
GeForce RTX 4090 Laptop GPU
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GeForce RTX 3080 12GB
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce RTX 4090 Laptop GPU
Performance Per Dollar GeForce RTX 3080 12GB
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 4090 Laptop GPU is the superior choice for raw performance. It leads with a 2% higher G3D Mark score and 33.3% more VRAM (16 GB vs 12 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce RTX 3080 12GB.
| Insight | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| Performance | ✅Leading raw performance (+2%) | ❌Lower raw frame rates (-2%) |
| Longevity | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) | 🔮Strong Longevity (Ampere (2020−2025) / 8nm) |
| Ecosystem | ✨ DLSS 3/4 + Frame Gen Support | ✨ DLSS 2 Upscaling |
| VRAM | 🎮 High Capacity (16 GB) | 🎮 High Capacity (12 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | Standard Size (285mm) |
💎 Value Proposition
While current pricing data is unavailable, the GeForce RTX 4090 Laptop GPU remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of GeForce RTX 4090 Laptop GPU and GeForce RTX 3080 12GB
GeForce RTX 4090 Laptop GPU
The GeForce RTX 4090 Laptop GPU is manufactured by NVIDIA. It was released in December 28 2023. It features the Ada Lovelace architecture. The core clock ranges from 2280 MHz to 2520 MHz. It has 14592 shading units. The thermal design power (TDP) is 425W. Manufactured using 5 nm process technology. It features 114 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,102 points. Launch price was $1,599.
GeForce RTX 3080 12GB
The GeForce RTX 3080 12GB is manufactured by NVIDIA. It was released in January 11 2022. It features the Ampere architecture. The core clock ranges from 1260 MHz to 1710 MHz. It has 8960 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 70 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,569 points. Launch price was $799.
Graphics Performance
The GeForce RTX 4090 Laptop GPU scores 27,102 and the GeForce RTX 3080 12GB reaches 26,569 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The GeForce RTX 4090 Laptop GPU is built on Ada Lovelace while the GeForce RTX 3080 12GB uses Ampere, both on 5 nm vs 8 nm. Shader units: 14,592 (GeForce RTX 4090 Laptop GPU) vs 8,960 (GeForce RTX 3080 12GB). Raw compute: 73.54 TFLOPS (GeForce RTX 4090 Laptop GPU) vs 30.64 TFLOPS (GeForce RTX 3080 12GB). Boost clocks: 2520 MHz vs 1710 MHz. Ray tracing: 114 RT cores (GeForce RTX 4090 Laptop GPU) vs 70 (GeForce RTX 3080 12GB) with 456 Tensor cores vs 280.
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| G3D Mark Score | 27,102+2% | 26,569 |
| Architecture | Ada Lovelace | Ampere |
| Process Node | 5 nm | 8 nm |
| Shading Units | 14592+63% | 8960 |
| Compute (TFLOPS) | 73.54 TFLOPS+140% | 30.64 TFLOPS |
| Boost Clock | 2520 MHz+47% | 1710 MHz |
| ROPs | 176+83% | 96 |
| TMUs | 456+63% | 280 |
| L1 Cache | 14.3 MB+63% | 8.8 MB |
| L2 Cache | 72 MB+1100% | 6 MB |
| Ray Tracing Cores | 114+63% | 70 |
| Tensor Cores | 456+63% | 280 |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4090 Laptop GPU is support for DLSS 3 Frame Gen. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce RTX 3080 12GB lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4090 Laptop GPU supports the newer DLSS 3.5 (including Frame Gen/Ray Reconstruction), whereas the GeForce RTX 3080 12GB is capped at DLSS 2.0.
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| Upscaling Tech | DLSS 3.5 | DLSS 2.0 |
| Frame Generation | DLSS 3.0 (Native) | FSR 3 / AFMF (Compatible) |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce RTX 4090 Laptop GPU comes with 16 GB of VRAM, while the GeForce RTX 3080 12GB has 12 GB. The GeForce RTX 4090 Laptop GPU offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 576 GB/s (GeForce RTX 4090 Laptop GPU) vs 912 GB/s (GeForce RTX 3080 12GB) — a 58.3% advantage for the GeForce RTX 3080 12GB. Bus width: 256-bit vs 384-bit. L2 Cache: 72 MB (GeForce RTX 4090 Laptop GPU) vs 6 MB (GeForce RTX 3080 12GB) — the GeForce RTX 4090 Laptop GPU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| VRAM Capacity | 16 GB+33% | 12 GB |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bandwidth | 576 GB/s | 912 GB/s+58% |
| Bus Width | 256-bit | 384-bit+50% |
| L2 Cache | 72 MB+1100% | 6 MB |
Display & API Support
DirectX support: 12 Ultimate (GeForce RTX 4090 Laptop GPU) vs 12 Ultimate (GeForce RTX 3080 12GB). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| DirectX | 12 Ultimate | 12 Ultimate |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC (9th Gen) (GeForce RTX 4090 Laptop GPU) vs NVENC 7th gen (GeForce RTX 3080 12GB). Decoder: NVDEC (6th Gen) vs NVDEC 5th gen. Supported codecs: H.264,H.265,VP9,AV1 (GeForce RTX 4090 Laptop GPU) vs H.264,H.265/HEVC,AV1 (GeForce RTX 3080 12GB).
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| Encoder | NVENC (9th Gen) | NVENC 7th gen |
| Decoder | NVDEC (6th Gen) | NVDEC 5th gen |
| Codecs | H.264,H.265,VP9,AV1 | H.264,H.265/HEVC,AV1 |
Power & Dimensions
The GeForce RTX 4090 Laptop GPU draws 425W versus the GeForce RTX 3080 12GB's 350W — a 19.4% difference. The GeForce RTX 3080 12GB is more power-efficient. Recommended PSU: 650W (GeForce RTX 4090 Laptop GPU) vs 750W (GeForce RTX 3080 12GB). Power connectors: Mobile vs 2x 8-pin. Card length: 0mm vs 285mm, occupying 0 vs 2 slots. Typical load temperature: 80 vs 80°C.
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| TDP | 425W | 350W-18% |
| Recommended PSU | 650W-13% | 750W |
| Power Connector | Mobile | 2x 8-pin |
| Length | 0mm | 285mm |
| Height | 0mm | 112mm |
| Slots | 0-100% | 2 |
| Temp (Load) | 80 | 80°C |
| Perf/Watt | 63.8 | 75.9+19% |
Value Analysis
The GeForce RTX 4090 Laptop GPU is the newer GPU (2023 vs 2022).
| Feature | GeForce RTX 4090 Laptop GPU | GeForce RTX 3080 12GB |
|---|---|---|
| MSRP | — | $1250 |
| Avg Price (30d) | — | $500 |
| Codename | AD102 | GA102 |
| Release | December 28 2023 | January 11 2022 |
| Ranking | #14 | #38 |
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