RTX PRO 4000 Blackwell vs Quadro K4000
Aggregate performance score
We've compared Quadro K4000 and RTX PRO 4000 Blackwell, covering specs and all relevant benchmarks.
RTX PRO 4000 Blackwell outperforms K4000 by a whopping 1002% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 601 | 19 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.24 | no data |
| Power efficiency | 6.20 | 32.63 |
| Architecture | Kepler (2012−2018) | Blackwell 2.0 (2025) |
| GPU code name | GK106 | GB203 |
| Market segment | Workstation | Workstation |
| Release date | 1 March 2013 (12 years ago) | 18 March 2025 (less than a year ago) |
| Launch price (MSRP) | $1,269 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 768 | 8960 |
| Core clock speed | 810 MHz | 1590 MHz |
| Boost clock speed | no data | 2617 MHz |
| Number of transistors | 2,540 million | 45,600 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 80 Watt | 140 Watt |
| Texture fill rate | 51.84 | 732.8 |
| Floating-point processing power | 1.244 TFLOPS | 46.9 TFLOPS |
| ROPs | 24 | 96 |
| TMUs | 64 | 280 |
| Tensor Cores | no data | 280 |
| Ray Tracing Cores | no data | 70 |
| L1 Cache | 64 KB | 8.8 MB |
| L2 Cache | 384 KB | 48 MB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 2.0 x16 | PCIe 5.0 x16 |
| Length | 241 mm | 241 mm |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | 1x 6-pin | 1x 16-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | GDDR7 |
| Maximum RAM amount | 3 GB | 24 GB |
| Memory bus width | 192 Bit | 192 Bit |
| Memory clock speed | 1404 MHz | 1750 MHz |
| Memory bandwidth | 134.8 GB/s | 672.0 GB/s |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 2x DisplayPort | 4x DisplayPort 2.1b |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | + | 1.4 |
| CUDA | 3.0 | 12.0 |
| DLSS | - | + |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 6.16 | 67.89 |
| Recency | 1 March 2013 | 18 March 2025 |
| Maximum RAM amount | 3 GB | 24 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 80 Watt | 140 Watt |
Quadro K4000 has 75% lower power consumption.
RTX PRO 4000 Blackwell, on the other hand, has a 1002.1% higher aggregate performance score, an age advantage of 12 years, a 700% higher maximum VRAM amount, and a 460% more advanced lithography process.
The RTX PRO 4000 Blackwell is our recommended choice as it beats the Quadro K4000 in performance tests.
Other comparisons
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