L40
RTX PRO 4000 Blackwell SFF Edition
L40 vs RTX PRO 4000 Blackwell SFF Edition Performance Spectrum
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.
L40 vs RTX PRO 4000 Blackwell SFF Edition FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
L40 vs RTX PRO 4000 Blackwell SFF Edition: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
L40
2022Why buy it
- ✅+8.6% higher PassMark G3D performance.
- ✅100% more VRAM for high-resolution textures and newer games (48 GB vs 24 GB).
- ✅More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.
Trade-offs
- ❌RTX PRO 4000 Blackwell SFF Edition is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
- ❌1450.8% HIGHER MSRP$31,000 MSRPvs$1,999 MSRP
- ❌Lower G3D Mark per dollar, at 1.1 vs 15.0 G3D/$ ($31,000 MSRP vs $1,999 MSRP).
- ❌328.6% higher power demand at 300W vs 70W.
- ❌59.9% longer card at 267mm vs 167mm.
RTX PRO 4000 Blackwell SFF Edition
2025Why buy it
- ✅Costs $29,001 less on MSRP ($1,999 MSRP vs $31,000 MSRP).
- ✅Delivers 1328% more G3D Mark for each dollar spent, at 15.0 vs 1.1 G3D/$ ($1,999 MSRP vs $31,000 MSRP).
- ✅Better long-term bet: Blackwell 2.0 (2025−2026) on 5nm gives it a newer hardware base for upcoming games.
- ✅Draws 70W instead of 300W, a 230W reduction.
- ✅Measures 167mm instead of 267mm, a 100mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower PassMark G3D performance (30,020 vs 32,601).
- ❌Less VRAM, with 24 GB vs 48 GB for high-resolution textures and newer games.
Quick Answers
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L40 vs RTX PRO 4000 Blackwell SFF Edition Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
RTX PRO 4000 Blackwell SFF Edition
The RTX PRO 4000 Blackwell SFF Edition is manufactured by NVIDIA. It was released in August 11 2025. It features the Blackwell 2.0 architecture. The core clock ranges from 577 MHz to 1432 MHz. It has 8960 shading units. The thermal design power (TDP) is 70W. Manufactured using 5 nm process technology. It features 70 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 30,020 points.
Graphics Performance
In G3D Mark, the L40 scores 32,601 versus the RTX PRO 4000 Blackwell SFF Edition's 30,020 — the L40 leads by 8.6%. The L40 is built on Ada Lovelace while the RTX PRO 4000 Blackwell SFF Edition uses Blackwell 2.0, both on 4 nm vs 5 nm. Shader units: 18,176 (L40) vs 8,960 (RTX PRO 4000 Blackwell SFF Edition). Raw compute: 90.52 TFLOPS (L40) vs 25.66 TFLOPS (RTX PRO 4000 Blackwell SFF Edition). Boost clocks: 2490 MHz vs 1432 MHz. Ray tracing: 142 RT cores (L40) vs 70 (RTX PRO 4000 Blackwell SFF Edition) with 568 Tensor cores vs 280.
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| G3D Mark Score | 32,601+9% | 30,020 |
| Architecture | Ada Lovelace | Blackwell 2.0 |
| Process Node | 4 nm | 5 nm |
| Shading Units | 18176+103% | 8960 |
| Compute (TFLOPS) | 90.52 TFLOPS+253% | 25.66 TFLOPS |
| Boost Clock | 2490 MHz+74% | 1432 MHz |
| ROPs | 192+100% | 96 |
| TMUs | 568+103% | 280 |
| L1 Cache | 17.8 MB+102% | 8.8 MB |
| L2 Cache | 96 MB+100% | 48 MB |
| Ray Tracing Cores | 142+103% | 70 |
| Tensor Cores | 568+103% | 280 |
Advanced Features (DLSS/FSR)
The RTX PRO 4000 Blackwell SFF Edition gets NVIDIA DLSS, which still tends to look cleaner in motion. The L40 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | NVIDIA Reflex |
Video Memory (VRAM)
The L40 has 48 GB of VRAM, while the RTX PRO 4000 Blackwell SFF Edition carries 24 GB. L40 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 384-bit on the L40 and 256-bit on the RTX PRO 4000 Blackwell SFF Edition. L2 Cache: 96 MB (L40) vs 48 MB (RTX PRO 4000 Blackwell SFF Edition) — the L40 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| VRAM Capacity | 48 GB+100% | 24 GB |
| Memory Type | GDDR6 | GDDR6 |
| Bus Width | 384-bit+50% | 256-bit |
| L2 Cache | 96 MB+100% | 48 MB |
Display & API Support
DirectX support: 12.2 (L40) vs 12 Ultimate (RTX PRO 4000 Blackwell SFF Edition). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| DirectX | 12.2+2% | 12 Ultimate |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC 8th Gen (L40) vs NVENC 9th Gen (RTX PRO 4000 Blackwell SFF Edition). Decoder: NVDEC 5th Gen vs NVDEC 6th Gen. Supported codecs: AV1,HEVC,H.264,VP9 (L40) vs H.264,H.265,AV1 (RTX PRO 4000 Blackwell SFF Edition).
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| Encoder | NVENC 8th Gen | NVENC 9th Gen |
| Decoder | NVDEC 5th Gen | NVDEC 6th Gen |
| Codecs | AV1,HEVC,H.264,VP9 | H.264,H.265,AV1 |
Power & Dimensions
The L40 draws 300W versus the RTX PRO 4000 Blackwell SFF Edition's 70W — a 124.3% difference. The RTX PRO 4000 Blackwell SFF Edition is more power-efficient. Recommended PSU: 750W (L40) vs 650W (RTX PRO 4000 Blackwell SFF Edition). Power connectors: 16-pin vs PCIe-powered. Card length: 267mm vs 167mm, occupying 2 vs 2 slots. Typical load temperature: 80°C vs 72°C.
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| TDP | 300W | 70W-77% |
| Recommended PSU | 750W | 650W-13% |
| Power Connector | 16-pin | PCIe-powered |
| Length | 267mm | 167mm |
| Height | 111mm | 69mm |
| Slots | 2 | 2 |
| Temp (Load) | 80°C | 72°C-10% |
| Perf/Watt | 108.7 | 428.9+295% |
Value Analysis
At launch, the L40 came in at $31000, while the RTX PRO 4000 Blackwell SFF Edition launched at $1999. On MSRP, RTX PRO 4000 Blackwell SFF Edition was 93.6% cheaper ($29001 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.1 (L40) vs 15.0 (RTX PRO 4000 Blackwell SFF Edition) — the RTX PRO 4000 Blackwell SFF Edition offers 1263.6% better value. The newer card here is RTX PRO 4000 Blackwell SFF Edition (2025 vs 2022).
| Feature | L40 | RTX PRO 4000 Blackwell SFF Edition |
|---|---|---|
| MSRP | $31000 | $1999-94% |
| Performance per Dollar | 1.1 | 15.0+1264% |
| Codename | AD102 | GB203 |
| Release | October 13 2022 | August 11 2025 |
| Ranking | #61 | #17 |
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