GeForce RTX 4090 vs L40
GeForce RTX 4090
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L40
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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
Performance Per Dollar L40
Why is GeForce RTX 4090 better than L40?
The battle between the professional industrial NVIDIA L40 and the enthusiast flagship GeForce RTX 4090 reveals the distance between data-center scale and uncompromised consumer muscle. Both utilize the Ada Lovelace architecture, but the NVIDIA L40 is a powerhouse built for uncompromised AI development and mission-critical rendering, featuring a massive 48GB of ECC memory.
Technically, the L40 wins on absolute memory scale—double the 24GB found on the 4090—along with specialized drivers for enterprise server environments. While the RTX 4090 delivers higher interactive clock speeds for gaming and real-time visualization, the L40 offers superior stability and headroom for massive professional datasets. Moving to an L-series industrial engine is a transformative upgrade for users who priority uncompromised reliability and memory capacity in their professional workstation tasks in 2026.
The NVIDIA L40 is the winner for data scientists and professional 3D artists who need uncompromised VRAM capacity and server-grade reliability. it is a world-class industrial tool. The GeForce RTX 4090 remains the winner for desktop enthusiasts who demand the absolute best interactive gaming performance and high-end creative value. for anyone looking for the most memory scale and enterprise muscle between these two, the 48GB L40 is the clear and superior winner.
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 4090 is the superior choice for raw performance. It leads with a 16.9% higher G3D Mark score. However, the L40 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce RTX 4090 | L40 |
|---|---|---|
| Performance | ✅Leading raw performance (+16.9%) | ❌Lower raw frame rates (-16.9%) |
| Longevity | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 4nm) |
| Ecosystem | ✨ DLSS 3/4 + Frame Gen Support | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (24 GB) | 🎮 High Capacity (48 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (304mm) | Standard Size (267mm) |
💎 Value Proposition
The GeForce RTX 4090 offers a compelling cost-to-performance ratio. Priced at $1,649 versus $8,174 for the L40, it costs 80% less. While it maintains competitive performance, this results in a 479.5% higher cost efficiency score.
| Insight | GeForce RTX 4090 | L40 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+479.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($1,649) | ⚠️Higher upfront cost ($8,174) |
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 and L40
GeForce RTX 4090
The GeForce RTX 4090 is manufactured by NVIDIA. It was released in September 20 2022. It features the Ada Lovelace architecture. The core clock ranges from 2235 MHz to 2520 MHz. It has 16384 shading units. The thermal design power (TDP) is 450W. Manufactured using 5 nm process technology. It features 128 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 38,112 points. Launch price was $1,599.
L40
The L40 is manufactured by NVIDIA. It was released in October 13 2022. It features the Ada Lovelace architecture. The core clock ranges from 735 MHz to 2490 MHz. It has 18176 shading units. The thermal design power (TDP) is 300W. Manufactured using 4 nm process technology. It features 142 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 32,601 points.
Graphics Performance
In G3D Mark, the GeForce RTX 4090 scores 38,112 versus the L40's 32,601 — the GeForce RTX 4090 leads by 16.9%. The GeForce RTX 4090 is built on Ada Lovelace while the L40 uses Ada Lovelace, both on 5 nm vs 4 nm. Shader units: 16,384 (GeForce RTX 4090) vs 18,176 (L40). Raw compute: 82.58 TFLOPS (GeForce RTX 4090) vs 90.52 TFLOPS (L40). Boost clocks: 2520 MHz vs 2490 MHz. Ray tracing: 128 RT cores (GeForce RTX 4090) vs 142 (L40) with 512 Tensor cores vs 568.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| G3D Mark Score | 38,112+17% | 32,601 |
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | 5 nm | 4 nm |
| Shading Units | 16384 | 18176+11% |
| Compute (TFLOPS) | 82.58 TFLOPS | 90.52 TFLOPS+10% |
| Boost Clock | 2520 MHz+1% | 2490 MHz |
| ROPs | 176 | 192+9% |
| TMUs | 512 | 568+11% |
| L1 Cache | 16 MB | 17.8 MB+11% |
| L2 Cache | 72 MB | 96 MB+33% |
| Ray Tracing Cores | 128 | 142+11% |
| Tensor Cores | 512 | 568+11% |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4090 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 L40 lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4090 gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The L40 relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| Upscaling Tech | DLSS 3.5 | FSR 1.0 (Software) |
| Frame Generation | DLSS 3.0 (Native) | Not Supported |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce RTX 4090 comes with 24 GB of VRAM, while the L40 has 48 GB. The L40 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 1008 GB/s (GeForce RTX 4090) vs 960 GB/s (L40) — a 5% advantage for the GeForce RTX 4090. Bus width: 384-bit vs 384-bit. L2 Cache: 72 MB (GeForce RTX 4090) vs 96 MB (L40) — the L40 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| VRAM Capacity | 24 GB | 48 GB+100% |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bandwidth | 1008 GB/s+5% | 960 GB/s |
| Bus Width | 384-bit | 384-bit |
| L2 Cache | 72 MB | 96 MB+33% |
Display & API Support
DirectX support: 12.2 (GeForce RTX 4090) vs 12.2 (L40). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: 8th Gen NVENC (2x) (GeForce RTX 4090) vs NVENC 8th Gen (L40). Decoder: 5th Gen NVDEC vs NVDEC 5th Gen. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4090) vs AV1,HEVC,H.264,VP9 (L40).
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| Encoder | 8th Gen NVENC (2x) | NVENC 8th Gen |
| Decoder | 5th Gen NVDEC | NVDEC 5th Gen |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | AV1,HEVC,H.264,VP9 |
Power & Dimensions
The GeForce RTX 4090 draws 450W versus the L40's 300W — a 40% difference. The L40 is more power-efficient. Recommended PSU: 1000W (GeForce RTX 4090) vs 750W (L40). Power connectors: 16-pin (12VHPWR) vs 16-pin. Card length: 304mm vs 267mm, occupying 3 vs 2 slots. Typical load temperature: 80°C vs 80°C.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| TDP | 450W | 300W-33% |
| Recommended PSU | 1000W | 750W-25% |
| Power Connector | 16-pin (12VHPWR) | 16-pin |
| Length | 304mm | 267mm |
| Height | 137mm | 111mm |
| Slots | 3 | 2-33% |
| Temp (Load) | 80°C | 80°C |
| Perf/Watt | 84.7 | 108.7+28% |
Value Analysis
The GeForce RTX 4090 launched at $1599 MSRP and currently averages $1649, while the L40 launched at $31000 and now averages $8174. The GeForce RTX 4090 costs 79.8% less ($6525 savings) at current market prices. Performance per dollar (G3D Mark / price): 23.1 (GeForce RTX 4090) vs 4.0 (L40) — the GeForce RTX 4090 offers 477.5% better value.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| MSRP | $1599-95% | $31000 |
| Avg Price (30d) | $1649-80% | $8174 |
| Performance per Dollar | 23.1+478% | 4.0 |
| Codename | AD102 | AD102 |
| Release | September 20 2022 | October 13 2022 |
| Ranking | #4 | #61 |
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