
RTX PRO 4000 Blackwell SFF Edition vs L40

RTX PRO 4000 Blackwell SFF Edition
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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 RTX PRO 4000 Blackwell SFF Edition
Performance Per Dollar L40
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The L40 is the superior choice for raw performance. It leads with a 8.6% higher G3D Mark score and 100% more VRAM (48 GB vs 24 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the RTX PRO 4000 Blackwell SFF Edition.
| Insight | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-8.6%) | ✅Leading raw performance (+8.6%) |
| Longevity | 🏆Elite Architecture (Blackwell 2.0 (2025−2026) / 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 | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | Standard Size (267mm) |
💎 Value Proposition
The RTX PRO 4000 Blackwell SFF Edition offers a compelling cost-to-performance ratio. Priced at $1,750 versus $8,174 for the L40, it costs 79% less. While it maintains competitive performance, this results in a 330.1% higher cost efficiency score.
| Insight | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+330.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($1,750) | ⚠️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 RTX PRO 4000 Blackwell SFF Edition and L40

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.

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 RTX PRO 4000 Blackwell SFF Edition scores 30,020 versus the L40's 32,601 — the L40 leads by 8.6%. The RTX PRO 4000 Blackwell SFF Edition is built on Blackwell 2.0 while the L40 uses Ada Lovelace, both on 5 nm vs 4 nm. Shader units: 8,960 (RTX PRO 4000 Blackwell SFF Edition) vs 18,176 (L40). Raw compute: 25.66 TFLOPS (RTX PRO 4000 Blackwell SFF Edition) vs 90.52 TFLOPS (L40). Boost clocks: 1432 MHz vs 2490 MHz. Ray tracing: 70 RT cores (RTX PRO 4000 Blackwell SFF Edition) vs 142 (L40) with 280 Tensor cores vs 568.
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| G3D Mark Score | 30,020 | 32,601+9% |
| Architecture | Blackwell 2.0 | Ada Lovelace |
| Process Node | 5 nm | 4 nm |
| Shading Units | 8960 | 18176+103% |
| Compute (TFLOPS) | 25.66 TFLOPS | 90.52 TFLOPS+253% |
| Boost Clock | 1432 MHz | 2490 MHz+74% |
| ROPs | 96 | 192+100% |
| TMUs | 280 | 568+103% |
| L1 Cache | 8.8 MB | 17.8 MB+102% |
| L2 Cache | 48 MB | 96 MB+100% |
| Ray Tracing Cores | 70 | 142+103% |
| Tensor Cores | 280 | 568+103% |
Advanced Features (DLSS/FSR)
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The RTX PRO 4000 Blackwell SFF Edition 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. Bus width: 256-bit vs 384-bit. L2 Cache: 48 MB (RTX PRO 4000 Blackwell SFF Edition) vs 96 MB (L40) — the L40 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| VRAM Capacity | 24 GB | 48 GB+100% |
| Memory Type | GDDR6 | GDDR6 |
| Bus Width | 256-bit | 384-bit+50% |
| L2 Cache | 48 MB | 96 MB+100% |
Display & API Support
DirectX support: 12 Ultimate (RTX PRO 4000 Blackwell SFF Edition) vs 12.2 (L40). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| DirectX | 12 Ultimate | 12.2+2% |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC 9th Gen (RTX PRO 4000 Blackwell SFF Edition) vs NVENC 8th Gen (L40). Decoder: NVDEC 6th Gen vs NVDEC 5th Gen. Supported codecs: H.264,H.265,AV1 (RTX PRO 4000 Blackwell SFF Edition) vs AV1,HEVC,H.264,VP9 (L40).
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| Encoder | NVENC 9th Gen | NVENC 8th Gen |
| Decoder | NVDEC 6th Gen | NVDEC 5th Gen |
| Codecs | H.264,H.265,AV1 | AV1,HEVC,H.264,VP9 |
Power & Dimensions
The RTX PRO 4000 Blackwell SFF Edition draws 70W versus the L40's 300W — a 124.3% difference. The RTX PRO 4000 Blackwell SFF Edition is more power-efficient. Recommended PSU: 650W (RTX PRO 4000 Blackwell SFF Edition) vs 750W (L40). Power connectors: PCIe-powered vs 16-pin. Card length: 167mm vs 267mm, occupying 2 vs 2 slots. Typical load temperature: 72°C vs 80°C.
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| TDP | 70W-77% | 300W |
| Recommended PSU | 650W-13% | 750W |
| Power Connector | PCIe-powered | 16-pin |
| Length | 167mm | 267mm |
| Height | 69mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 72°C-10% | 80°C |
| Perf/Watt | 428.9+295% | 108.7 |
Value Analysis
The RTX PRO 4000 Blackwell SFF Edition launched at $1999 MSRP and currently averages $1750, while the L40 launched at $31000 and now averages $8174. The RTX PRO 4000 Blackwell SFF Edition costs 78.6% less ($6424 savings) at current market prices. Performance per dollar (G3D Mark / price): 17.2 (RTX PRO 4000 Blackwell SFF Edition) vs 4.0 (L40) — the RTX PRO 4000 Blackwell SFF Edition offers 330% better value. The RTX PRO 4000 Blackwell SFF Edition is the newer GPU (2025 vs 2022).
| Feature | RTX PRO 4000 Blackwell SFF Edition | L40 |
|---|---|---|
| MSRP | $1999-94% | $31000 |
| Avg Price (30d) | $1750-79% | $8174 |
| Performance per Dollar | 17.2+330% | 4.0 |
| Codename | GB203 | AD102 |
| Release | August 11 2025 | October 13 2022 |
| Ranking | #17 | #61 |
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