RTX PRO 4000 Blackwell Embedded vs UHD Graphics 620
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 874 | not rated |
| Place by popularity | 39 | not in top-100 |
| Power efficiency | 12.60 | no data |
| Architecture | Generation 9.5 (2016−2020) | Blackwell 2.0 (2025−2026) |
| GPU code name | Kaby Lake GT2 | GB203 |
| Market segment | Laptop | Mobile workstation |
| Release date | 1 September 2017 (8 years ago) | no data |
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 | 192 | 7680 |
| Core clock speed | 300 MHz | 975 MHz |
| Boost clock speed | 1000 MHz | 1702 MHz |
| Number of transistors | 189 million | 45,600 million |
| Manufacturing process technology | 14 nm++ | 5 nm |
| Power consumption (TDP) | 15 Watt | 80 Watt |
| Texture fill rate | 24.00 | 408.5 |
| Floating-point processing power | 0.384 TFLOPS | 26.14 TFLOPS |
| ROPs | 3 | 96 |
| TMUs | 24 | 240 |
| Tensor Cores | no data | 240 |
| Ray Tracing Cores | no data | 60 |
| L1 Cache | no data | 7.5 MB |
| L2 Cache | no data | 64 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 | Ring Bus | PCIe 5.0 x16 |
| Supplementary power connectors | no data | None |
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 | LPDDR3/DDR4 | GDDR7 |
| Maximum RAM amount | 32 GB | 16 GB |
| Memory bus width | System Shared | 256 Bit |
| Memory clock speed | System Shared | 1750 MHz |
| Memory bandwidth | no data | 896.0 GB/s |
| Shared memory | + | - |
| 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 | Portable Device Dependent | Portable Device Dependent |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.4 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.3 | 1.4 |
| CUDA | - | 12.0 |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 32 GB | 16 GB |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 80 Watt |
UHD Graphics 620 has a 100% higher maximum VRAM amount, and 433.3% lower power consumption.
RTX PRO 4000 Blackwell Embedded, on the other hand, has a 180% more advanced lithography process.
We couldn't decide between UHD Graphics 620 and RTX PRO 4000 Blackwell Embedded. We've got no test results to judge.
Be aware that UHD Graphics 620 is a notebook graphics card while RTX PRO 4000 Blackwell Embedded is a mobile workstation one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
