
GeForce RTX 4090
Popular choices:

L40
Popular choices:
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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.
GeForce RTX 4090
2022Why buy it
- ✅+16.9% higher PassMark G3D performance.
- ✅Costs $29,401 less on MSRP ($1,599 MSRP vs $31,000 MSRP).
- ✅Delivers 2166.4% more G3D Mark for each dollar spent, at 23.8 vs 1.1 G3D/$ ($1,599 MSRP vs $31,000 MSRP).
- ✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
- ✅More future proof: Ada Lovelace (2022−2024) on 5nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with 24 GB vs 48 GB for high-resolution textures and newer games.
- ❌50% higher power demand at 450W vs 300W.
- ❌13.9% longer card at 304mm vs 267mm.
L40
2022Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (48 GB vs 24 GB).
- ✅Draws 300W instead of 450W, a 150W reduction.
- ✅Measures 267mm instead of 304mm, a 37mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower PassMark G3D performance (32,601 vs 38,112).
- ❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
- ❌Weaker long-term outlook: GeForce RTX 4090 is the safer future-proof pick thanks to newer hardware and better gaming feature support.
- ❌1838.7% HIGHER MSRP$31,000 MSRPvs$1,599 MSRP
- ❌Lower G3D Mark per dollar, at 1.1 vs 23.8 G3D/$ ($31,000 MSRP vs $1,599 MSRP).
GeForce RTX 4090
2022L40
2022Why buy it
- ✅+16.9% higher PassMark G3D performance.
- ✅Costs $29,401 less on MSRP ($1,599 MSRP vs $31,000 MSRP).
- ✅Delivers 2166.4% more G3D Mark for each dollar spent, at 23.8 vs 1.1 G3D/$ ($1,599 MSRP vs $31,000 MSRP).
- ✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
- ✅More future proof: Ada Lovelace (2022−2024) on 5nm with a newer platform for upcoming games.
Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (48 GB vs 24 GB).
- ✅Draws 300W instead of 450W, a 150W reduction.
- ✅Measures 267mm instead of 304mm, a 37mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Less VRAM, with 24 GB vs 48 GB for high-resolution textures and newer games.
- ❌50% higher power demand at 450W vs 300W.
- ❌13.9% longer card at 304mm vs 267mm.
Trade-offs
- ❌Lower PassMark G3D performance (32,601 vs 38,112).
- ❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
- ❌Weaker long-term outlook: GeForce RTX 4090 is the safer future-proof pick thanks to newer hardware and better gaming feature support.
- ❌1838.7% HIGHER MSRP$31,000 MSRPvs$1,599 MSRP
- ❌Lower G3D Mark per dollar, at 1.1 vs 23.8 G3D/$ ($31,000 MSRP vs $1,599 MSRP).
Quick Answers
So, is GeForce RTX 4090 better than L40?
Which one is more future-proof for 2026 and beyond?
Which one is the smarter buy today, not just the cheaper card?
Is L40 still worth buying for gaming in 2026?
Games Benchmarks
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 9800X3D 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.

Path of Exile 2
| Preset | GeForce RTX 4090 | L40 |
|---|---|---|
| 1080p | ||
| low | 283 FPS | 281 FPS |
| medium | 262 FPS | 252 FPS |
| high | 224 FPS | 207 FPS |
| ultra | 196 FPS | 131 FPS |
| 1440p | ||
| low | 261 FPS | 251 FPS |
| medium | 217 FPS | 211 FPS |
| high | 173 FPS | 152 FPS |
| ultra | 156 FPS | 95 FPS |
| 4K | ||
| low | 180 FPS | 116 FPS |
| medium | 149 FPS | 97 FPS |
| high | 114 FPS | 66 FPS |
| ultra | 102 FPS | 57 FPS |

Counter-Strike 2
| Preset | GeForce RTX 4090 | L40 |
|---|---|---|
| 1080p | ||
| low | 910 FPS | 525 FPS |
| medium | 726 FPS | 407 FPS |
| high | 567 FPS | 310 FPS |
| ultra | 478 FPS | 268 FPS |
| 1440p | ||
| low | 728 FPS | 440 FPS |
| medium | 607 FPS | 351 FPS |
| high | 494 FPS | 273 FPS |
| ultra | 397 FPS | 215 FPS |
| 4K | ||
| low | 396 FPS | 233 FPS |
| medium | 335 FPS | 183 FPS |
| high | 309 FPS | 162 FPS |
| ultra | 265 FPS | 134 FPS |

League of Legends
| Preset | GeForce RTX 4090 | L40 |
|---|---|---|
| 1080p | ||
| low | 999 FPS | 999 FPS |
| medium | 999 FPS | 999 FPS |
| high | 999 FPS | 978 FPS |
| ultra | 858 FPS | 734 FPS |
| 1440p | ||
| low | 988 FPS | 970 FPS |
| medium | 902 FPS | 880 FPS |
| high | 832 FPS | 734 FPS |
| ultra | 643 FPS | 550 FPS |
| 4K | ||
| low | 580 FPS | 569 FPS |
| medium | 504 FPS | 493 FPS |
| high | 455 FPS | 437 FPS |
| ultra | 388 FPS | 367 FPS |

Valorant
| Preset | GeForce RTX 4090 | L40 |
|---|---|---|
| 1080p | ||
| low | 999 FPS | 492 FPS |
| medium | 971 FPS | 430 FPS |
| high | 855 FPS | 383 FPS |
| ultra | 764 FPS | 293 FPS |
| 1440p | ||
| low | 830 FPS | 346 FPS |
| medium | 728 FPS | 311 FPS |
| high | 641 FPS | 273 FPS |
| ultra | 561 FPS | 208 FPS |
| 4K | ||
| low | 606 FPS | 229 FPS |
| medium | 538 FPS | 197 FPS |
| high | 480 FPS | 156 FPS |
| ultra | 420 FPS | 119 FPS |
Technical Specifications
Side-by-side comparison of GeForce RTX 4090 and L40

GeForce RTX 4090
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
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 3.5 + Frame Generation. 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 Super Resolution | Upscaling support |
| Frame Generation | DLSS 3.5 + Frame Generation | 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, while the L40 launched at $31000. The GeForce RTX 4090 costs 94.8% less ($29401 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 23.8 (GeForce RTX 4090) vs 1.1 (L40) — the GeForce RTX 4090 offers 2063.6% better value.
| Feature | GeForce RTX 4090 | L40 |
|---|---|---|
| MSRP | $1599-95% | $31000 |
| Performance per Dollar | 23.8+2064% | 1.1 |
| Codename | AD102 | AD102 |
| Release | September 20 2022 | October 13 2022 |
| Ranking | #4 | #61 |
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