Arc Pro B70 vs RTX PRO 4000 Blackwell Mobile
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 91 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 27.60 |
| Power efficiency | no data | 15.30 |
| Architecture | Blackwell 2.0 (2025−2026) | Xe2-HPG (2025−2026) |
| GPU code name | GB203 | BMG-G31 |
| Market segment | Mobile workstation | Workstation |
| Release date | 19 March 2025 (1 year ago) | 26 March 2026 (less than a year ago) |
| Launch price (MSRP) | no data | $949 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 7680 | 4096 |
| Core clock speed | 975 MHz | 2280 MHz |
| Boost clock speed | 1702 MHz | 2800 MHz |
| Number of transistors | 45,600 million | no data |
| Manufacturing process technology | 5 nm | 5 nm |
| Power consumption (TDP) | 80 Watt | 230 Watt |
| Texture fill rate | 408.5 | 716.8 |
| Floating-point processing power | 26.14 TFLOPS | no data |
| ROPs | 96 | 128 |
| TMUs | 240 | 256 |
| Tensor Cores | 240 | no data |
| Ray Tracing Cores | 60 | 32 |
| L1 Cache | 7.5 MB | no data |
| L2 Cache | 64 MB | 24 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 5.0 x16 | PCIe 5.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 8-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 | GDDR7 | GDDR6 |
| Maximum RAM amount | 16 GB | 32 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1750 MHz | 2375 MHz |
| Memory bandwidth | 896.0 GB/s | 608.0 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 | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.8 | 6.6 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | 1.4 |
| CUDA | 12.0 | - |
| DLSS | + | - |
Pros & cons summary
| Recency | 19 March 2025 | 26 March 2026 |
| Maximum RAM amount | 16 GB | 32 GB |
| Power consumption (TDP) | 80 Watt | 230 Watt |
RTX PRO 4000 Blackwell Mobile has 188% lower power consumption.
Arc Pro B70, on the other hand, has an age advantage of 1 year, and a 100% higher maximum VRAM amount.
We couldn't decide between RTX PRO 4000 Blackwell Mobile and Arc Pro B70. We've got no test results to judge.
Be aware that RTX PRO 4000 Blackwell Mobile is a mobile workstation graphics card while Arc Pro B70 is a workstation one.
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