Intel Arc Pro B65 vs NVIDIA H20 NVL16 Comparison

The Verdict

The Intel Arc Pro B65 and NVIDIA H20 NVL16 are fundamentally different products that happen to share a PCIe 5.0 x16 interface and a 5 nm TSMC process. The Arc Pro B65 is a professional graphics card built for display output and client-side rendering, while the H20 NVL16 is a server accelerator with no display outputs at all. The recorded data shows the H20 NVL16 delivers roughly 3.2 times the FP32 throughput of the Arc Pro B65, and its memory subsystem is in a different class entirely. The Arc Pro B65, however, is the only one of the two that can drive a monitor, with 4x DisplayPort 2.1 outputs, and it supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. The H20 NVL16 has no graphics API support listed. Buyers should choose based on workload: the Arc Pro B65 for workstation graphics, the H20 NVL16 for compute-heavy server tasks.

Where Each One Wins

The Intel Arc Pro B65 wins in any scenario that requires a display. It has 4x DisplayPort 2.1 outputs, while the NVIDIA H20 NVL16 has no outputs. The Arc Pro B65 also supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4; the H20 NVL16 lists N/A for all three. For professional visualization, CAD, or content creation on a local workstation, the Arc Pro B65 is the functional choice.

The NVIDIA H20 NVL16 wins decisively in raw compute and memory capacity. Its FP32 throughput is 39.54 TFLOPS versus 12.29 TFLOPS for the Arc Pro B65, a 3.2x advantage. FP16 performance is 79.07 TFLOPS versus 24.58 TFLOPS, again a 3.2x gap. The H20 NVL16 carries 96 GB of HBM3 memory on a 6144-bit bus, delivering 4.03 TB/s of bandwidth. The Arc Pro B65 has 32 GB of GDDR6 on a 256-bit bus, yielding 608.0 GB/s. The H20 NVL16 also has 312 tensor cores, which the Arc Pro B65 lacks entirely. For AI inference, training, or large-scale data processing in a server rack, the H20 NVL16 is the clear pick.

Architecture Differences

The Intel Arc Pro B65 uses the BMG-G21 chip built on the Xe2-HPG architecture, part of the Battlemage Pro Series generation. It is fabricated by TSMC on a 5 nm process, with 19,600 million transistors on a 272 mm² die, giving a transistor density of 72.1M per mm². The chip contains 2560 shading units, 160 texture mapping units, 80 ROPs, and 20 ray tracing cores. It has no tensor cores. The base and boost clocks are both 2400 MHz, and memory runs at 2375 MHz with 19 Gbps effective speed.

The NVIDIA H20 NVL16 uses the GH100 chip on the Hopper architecture, part of the Server Hopper (Hxx) generation. It is also fabricated by TSMC on a 5 nm process, but with 80,000 million transistors on an 814 mm² die, giving a transistor density of 98.3M per mm². The chip contains 9984 shading units, 312 texture mapping units, 24 ROPs, and 312 tensor cores. It has no ray tracing cores listed. Base clock is 1830 MHz, boost clock is 1980 MHz, and memory runs at 1313 MHz with 5.3 Gbps effective speed.

The transistor density difference (98.3M versus 72.1M per mm²) indicates the H20 NVL16 packs more logic per area, consistent with its server compute role. The H20 NVL16 is physically larger at 814 mm² versus 272 mm², and it uses an SXM module form factor instead of a dual-slot card. The Arc Pro B65 requires a 1x 8-pin power connector with a suggested 550 W PSU; the H20 NVL16 has no listed power connector and suggests an 800 W PSU. The H20 NVL16 draws 400 W TDP versus 200 W for the Arc Pro B65.

FAQ

Q: Which card has more memory bandwidth?

A: The NVIDIA H20 NVL16 has 4.03 TB/s of bandwidth from its 96 GB HBM3 memory on a 6144-bit bus. The Intel Arc Pro B65 has 608.0 GB/s from 32 GB GDDR6 on a 256-bit bus.

Q: Can the NVIDIA H20 NVL16 output to a display?

A: No. The H20 NVL16 lists no display outputs. The Intel Arc Pro B65 has 4x DisplayPort 2.1 outputs.

Q: Which card supports DirectX 12 Ultimate?

A: Only the Intel Arc Pro B65. It lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA H20 NVL16 lists N/A for all graphics APIs.

Q: How do the FP32 compute performances compare?

A: The NVIDIA H20 NVL16 delivers 39.54 TFLOPS, which is 3.2 times the 12.29 TFLOPS of the Intel Arc Pro B65.

Q: What are the power requirements?

A: The Intel Arc Pro B65 has a 200 W TDP and suggests a 550 W PSU. The NVIDIA H20 NVL16 has a 400 W TDP and suggests an 800 W PSU.

Q: Which card has tensor cores?

A: The NVIDIA H20 NVL16 has 312 tensor cores. The Intel Arc Pro B65 has none listed.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark scores for these two cards, so the comparison relies on their recorded specifications. The largest single advantage for the NVIDIA H20 NVL16 is in memory bandwidth: 4.03 TB/s versus 608.0 GB/s, a 6.6x difference. This makes the H20 NVL16 suitable for memory-bound workloads such as large model inference or high-throughput data processing, while the Arc Pro B65's bandwidth is sufficient for graphics-oriented tasks.

In FP32 compute, the H20 NVL16 posts 39.54 TFLOPS against 12.29 TFLOPS for the Arc Pro B65. The ratio is 3.2x, and the same ratio applies to FP16: 79.07 TFLOPS versus 24.58 TFLOPS. Both cards list FP16 at a 2:1 ratio relative to FP32. Texture rate favors the H20 NVL16 as well: 617.8 GTexel/s versus 384.0 GTexel/s, a 1.6x difference. The Arc Pro B65 counters with pixel rate: 192.0 GPixel/s versus 47.52 GPixel/s, a 4.0x advantage. This reflects the Arc Pro B65's higher ROP count of 80 versus 24, and its role as a rasterization-focused GPU.

The H20 NVL16 has more shading units (9984 versus 2560) and more TMUs (312 versus 160). The Arc Pro B65 has more ROPs (80 versus 24) and has 20 ray tracing cores, which the H20 NVL16 does not list. Clock speeds differ: the Arc Pro B65 runs at 2400 MHz base and boost, while the H20 NVL16 runs at 1830 MHz base and 1980 MHz boost. The higher clocks on the Arc Pro B65 partially compensate for its smaller chip, but the H20 NVL16's sheer scale wins on aggregate throughput.

Memory capacity favors the H20 NVL16 at 96 GB versus 32 GB. Memory type also differs: HBM3 with a 6144-bit bus versus GDDR6 with a 256-bit bus. The effective memory speed is 5.3 Gbps on the H20 NVL16 and 19 Gbps on the Arc Pro B65, but the H20 NVL16's much wider bus produces the far higher total bandwidth.

Release timing shows the H20 NVL16 launched earlier, in September 2025, while the Arc Pro B65 launched in March 2026. Both are marked as Active in production. The H20 NVL16 lists a predecessor (Server Ada) and a successor (Server Blackwell), while the Arc Pro B65 lists neither.

Specification Differences

| Specification | Intel Arc Pro B65 | NVIDIA H20 NVL16 |

| --- | --- | --- |

| Chip | BMG-G21 | GH100 |

| Architecture | Xe2-HPG | Hopper |

| Generation | Battlemage (Pro Series) | Server Hopper (Hxx) |

| Transistors | 19,600 million | 80,000 million |

| Die Size | 272 mm² | 814 mm² |

| Transistor Density | 72.1M / mm² | 98.3M / mm² |

| Base Clock | 2400 MHz | 1830 MHz |

| Boost Clock | 2400 MHz | 1980 MHz |

| Memory Clock | 2375 MHz, 19 Gbps effective | 1313 MHz, 5.3 Gbps effective |

| Memory Size | 32 GB | 96 GB |

| Memory Type | GDDR6 | HBM3 |

| Memory Bus Width | 256 bit | 6144 bit |

| Memory Bandwidth | 608.0 GB/s | 4.03 TB/s |

| Shading Units | 2560 | 9984 |

| TMUs | 160 | 312 |

| ROPs | 80 | 24 |

| RT Cores | 20 | None listed |

| Tensor Cores | None listed | 312 |

| Pixel Rate | 192.0 GPixel/s | 47.52 GPixel/s |

| Texture Rate | 384.0 GTexel/s | 617.8 GTexel/s |

| FP32 | 12.29 TFLOPS | 39.54 TFLOPS |

| FP16 | 24.58 TFLOPS (2:1) | 79.07 TFLOPS (2:1) |

| TDP | 200 W | 400 W |

| Slot Width | Dual-slot | SXM Module |

| Power Connectors | 1x 8-pin | None listed |

| Suggested PSU | 550 W | 800 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |

| Display Outputs | 4x DisplayPort 2.1 | No outputs |

| DirectX | 12 Ultimate (12_2) | N/A |

| OpenGL | 4.6 | N/A |

| Vulkan | 1.4 | N/A |

| Release Date | 2026-03-31 | 2025-09-01 |

| Predecessor | None listed | Server Ada |

| Successor | None listed | Server Blackwell |

The two cards share only the process node (5 nm TSMC), the bus interface (PCIe 5.0 x16), and their production status (Active). Everything else diverges. The H20 NVL16 is a larger, hotter, more compute-dense accelerator; the Arc Pro B65 is a smaller, cooler, display-capable graphics card. The data indicates these products target separate markets, and the specification differences reinforce that split.