Arc B390 vs Arctic Sound 2T
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 300 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 20.75 |
| Architecture | Generation 12.5 (2021−2023) | Xe3-LPG (2026) |
| GPU code name | Arctic Sound | Panther Lake |
| Market segment | Workstation | Laptop |
| Release date | 2021 (5 years ago) | 27 January 2026 (less than a year ago) |
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 ×2 | 1536 |
| Core clock speed | 900 MHz | 300 MHz |
| Boost clock speed | no data | 2500 MHz |
| Number of transistors | 8,000 million | no data |
| Manufacturing process technology | 10 nm | 3 nm |
| Power consumption (TDP) | 500 Watt | 80 Watt |
| Texture fill rate | 216.0 ×2 | 120.0 |
| Floating-point processing power | 13.82 TFLOPS ×2 | 7.68 TFLOPS |
| ROPs | 120 ×2 | 24 |
| TMUs | 240 ×2 | 48 |
| Ray Tracing Cores | no data | 12 |
| L1 Cache | no data | 768 KB |
| L2 Cache | 8 MB | 16 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 4.0 x16 | IGP |
| Length | 267 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | None | 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 | HBM2e | System Shared |
| Maximum RAM amount | 16 GB ×2 | System Shared |
| Memory bus width | 4096 Bit ×2 | System Shared |
| Memory clock speed | 1200 MHz | System Shared |
| Memory bandwidth | 1.23 TB/s ×2 | no data |
| Shared memory | - | + |
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 | No outputs | Portable Device Dependent |
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 | 6.6 | 6.9 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.4 |
Pros & cons summary
| Chip lithography | 10 nm | 3 nm |
| Power consumption (TDP) | 500 Watt | 80 Watt |
Arc B390 has a 233% more advanced lithography process, and 525% lower power consumption.
We couldn't decide between Arctic Sound 2T and Arc B390. We've got no test results to judge.
Be aware that Arctic Sound 2T is a workstation graphics card while Arc B390 is a notebook one.
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