Intel Arc Pro B65 vs NVIDIA Switch 2 GPU Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark scores for the Intel Arc Pro B65 and the NVIDIA Switch 2 GPU. Both entries report an average benchmark score of zero and zero wins in direct comparisons. The absence of measured performance data means that any numerical comparison between these two parts must be derived from their architectural specifications rather than from application-level test results.

The Intel Arc Pro B65 delivers a FP32 throughput of 12.29 TFLOPS, while the NVIDIA Switch 2 GPU provides 4.301 TFLOPS. This places the Intel part at approximately 2.86 times the raw single-precision compute of the NVIDIA part. In FP16 workloads, the Intel Arc Pro B65 reaches 24.58 TFLOPS (2:1 ratio), compared to 8.602 TFLOPS for the NVIDIA Switch 2 GPU, a similar proportional gap.

Texture processing shows an even larger separation. The Intel Arc Pro B65 achieves a texture fill rate of 384.0 GTexel/s, while the NVIDIA Switch 2 GPU manages 67.20 GTexel/s. This represents a 5.71 times advantage for the Intel part. Pixel throughput follows the same pattern: 192.0 GPixel/s for the Intel Arc Pro B65 versus 22.40 GPixel/s for the NVIDIA Switch 2 GPU, a difference of 8.57 times.

Memory bandwidth amplifies the divide further. The Intel Arc Pro B65 uses a 256-bit bus with 608.0 GB/s of bandwidth, while the NVIDIA Switch 2 GPU operates on a 128-bit bus with 102.4 GB/s. The Intel part offers 5.94 times the memory bandwidth. This combination of higher compute, faster texture processing, and substantially wider memory bandwidth indicates that the Intel Arc Pro B65 would dominate in scenarios that stress raw throughput.

Neither GPU shows any recorded wins in the head-to-head section, and both hold the 50th percentile among all GPUs in the database. The percentile ranking suggests that the database places both parts at the midpoint of the overall performance distribution, though the specification data implies the Intel part should rank far higher in compute-heavy applications. The percentile figure likely reflects the sparse benchmark coverage for these two products rather than their true relative standing.

Where Each One Wins

The Intel Arc Pro B65 is positioned for desktop professional workloads. Its 32 GB of GDDR6 memory on a 256-bit bus provides 608.0 GB/s of bandwidth, which supports large datasets, high-resolution textures, and multi-display configurations. The four DisplayPort 2.1 outputs and PCIe 5.0 x16 interface align with workstation use cases where connectivity and data transfer speed matter. The 200 W TDP and dual-slot cooler with a single 8-pin power connector indicate a part designed for stationary systems with adequate power delivery, including a suggested 550 W power supply.

The NVIDIA Switch 2 GPU is engineered for an entirely different environment. Its 40 W TDP, compact dimensions of 272 mm by 116 mm by 14 mm, and lack of display outputs confirm it is a console chip, not a standalone graphics card. The 12 GB of LPDDR5X memory with 102.4 GB/s bandwidth suits the memory footprint of portable gaming titles, where the lower bandwidth is acceptable given the constrained power envelope. The presence of 48 tensor cores gives the NVIDIA part a dedicated hardware path for AI-accelerated features such as DLSS, which the Intel Arc Pro B65 lacks entirely.

The Intel part wins decisively in raw compute, memory capacity, memory bandwidth, and display flexibility. The NVIDIA part wins in power efficiency and physical integration. The FP32 efficiency ratio tells the story: the Intel Arc Pro B65 delivers 12.29 TFLOPS at 200 W, or 61.45 GFLOPS per watt, while the NVIDIA Switch 2 GPU delivers 4.301 TFLOPS at 40 W, or 107.5 GFLOPS per watt. The NVIDIA chip is roughly 1.75 times more efficient per watt, which is the critical metric for a battery-powered console.

Architecture Differences

The two GPUs come from different architectural generations and manufacturers. The Intel Arc Pro B65 uses the Xe2-HPG architecture on the BMG-G21 chip, part of the Battlemage Pro Series generation. It is fabricated on a 5 nm process at TSMC, with 19,600 million transistors on a 272 mm² die, yielding a transistor density of 72.1M per mm². The NVIDIA Switch 2 GPU uses the Ampere architecture on the GA10B chip, part of the Console GPU (Nintendo) generation. It is fabricated on an 8 nm process at Samsung, with a 200 mm² die size and an unknown transistor count.

The Intel part contains 2560 shading units, 160 texture mapping units, 80 ROPs, and 20 ray tracing cores. The NVIDIA part contains 1536 shading units, 48 TMUs, 16 ROPs, 12 ray tracing cores, and 48 tensor cores. The Intel part has more of every compute unit category except tensor cores, where the NVIDIA part has 48 dedicated tensor units and Intel has none listed.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, meaning they share the same API feature set for modern graphics workloads. The architectural divergence lies in the node and the specialized hardware. Intel's 5 nm TSMC process versus NVIDIA's 8 nm Samsung process explains part of the efficiency gap, though the NVIDIA chip still achieves higher performance per watt despite the older node, indicating a more power-constrained design philosophy.

The Intel Arc Pro B65 runs at a base and boost clock of 2400 MHz, while the NVIDIA Switch 2 GPU runs at a base of 561 MHz and boosts to 1400 MHz. The NVIDIA chip's variable clock behavior suits a mobile console where thermal limits fluctuate. The Intel chip's flat 2400 MHz clock across base and boost suggests a steady-state desktop workload profile.

Specification Differences

The two parts differ on nearly every measurable specification. Memory size: 32 GB for the Intel Arc Pro B65 versus 12 GB for the NVIDIA Switch 2 GPU. Memory type: GDDR6 for Intel versus LPDDR5X for NVIDIA. Memory bus width: 256 bit versus 128 bit. Memory clock: 2375 MHz (19 Gbps effective) for Intel versus 800 MHz (6.4 Gbps effective) for NVIDIA. Memory bandwidth: 608.0 GB/s versus 102.4 GB/s.

Shading units: 2560 versus 1536. TMUs: 160 versus 48. ROPs: 80 versus 16. RT cores: 20 versus 12. Tensor cores: none listed for Intel versus 48 for NVIDIA. FP32 performance: 12.29 TFLOPS versus 4.301 TFLOPS. FP16 performance: 24.58 TFLOPS versus 8.602 TFLOPS. Pixel rate: 192.0 GPixel/s versus 22.40 GPixel/s. Texture rate: 384.0 GTexel/s versus 67.20 GTexel/s.

TDP: 200 W versus 40 W. Process node: 5 nm versus 8 nm. Foundry: TSMC versus Samsung. Die size: 272 mm² versus 200 mm². Transistor count: 19,600 million versus unknown. Bus interface: PCIe 5.0 x16 versus none listed. Display outputs: four DisplayPort 2.1 versus none. Power connectors: one 8-pin versus none. Suggested PSU: 550 W versus none. Slot width: dual-slot versus none listed. Dimensions: none listed for Intel versus 272 mm by 116 mm by 14 mm for NVIDIA.

Release dates: the Intel Arc Pro B65 is dated 2026-03-31, while the NVIDIA Switch 2 GPU is dated 2025-06-04. The NVIDIA part has a launch MSRP of 449 USD, stated once here. The Intel part has no launch MSRP recorded. Both list their production status as Active.

FAQ

Q: Which GPU has more raw compute power?

A: The Intel Arc Pro B65 delivers 12.29 TFLOPS of FP32 performance, which is 2.86 times the 4.301 TFLOPS of the NVIDIA Switch 2 GPU. In FP16, the Intel part reaches 24.58 TFLOPS versus 8.602 TFLOPS for the NVIDIA part.

Q: How do their memory subsystems compare?

A: The Intel Arc Pro B65 has 32 GB of GDDR6 on a 256-bit bus with 608.0 GB/s bandwidth. The NVIDIA Switch 2 GPU has 12 GB of LPDDR5X on a 128-bit bus with 102.4 GB/s bandwidth. The Intel part provides 5.94 times the memory bandwidth and 2.67 times the memory capacity.

Q: Which GPU has tensor cores for AI workloads?

A: The NVIDIA Switch 2 GPU includes 48 tensor cores. The Intel Arc Pro B65 lists no tensor cores in its specifications, meaning it lacks dedicated AI acceleration hardware.

Q: What are the power requirements of each GPU?

A: The Intel Arc Pro B65 has a TDP of 200 W, uses a single 8-pin power connector, and requires a suggested 550 W power supply. The NVIDIA Switch 2 GPU has a TDP of 40 W and lists no power connectors or PSU requirements, reflecting its console integration.

Q: Can the NVIDIA Switch 2 GPU be used in a desktop PC?

A: The data indicates no. The NVIDIA Switch 2 GPU has no display outputs, no bus interface, and no power connectors. Its dimensions of 272 mm by 116 mm by 14 mm match a console board, not a standalone graphics card. The Intel Arc Pro B65, by contrast, has four DisplayPort 2.1 outputs and a PCIe 5.0 x16 interface.

Q: Do both GPUs support the same graphics APIs?

A: Yes. Both the Intel Arc Pro B65 and the NVIDIA Switch 2 GPU support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so they share identical API compatibility.

The Verdict

The Intel Arc Pro B65 is the clear choice for desktop workstation applications. The data shows it with 12.29 TFLOPS FP32, 32 GB of memory, 608.0 GB/s bandwidth, and four DisplayPort 2.1 outputs. Its 200 W power envelope and PCIe 5.0 x16 interface place it in a conventional desktop GPU slot. Users who need high compute throughput, large memory capacity for datasets, or multi-monitor output should select this part.

The NVIDIA Switch 2 GPU is built for a single purpose: operating inside a portable console. Its 40 W TDP, 12 GB of LPDDR5X memory, and 102.4 GB/s bandwidth are tuned for that constraint. The 48 tensor cores provide AI acceleration that the Intel part cannot match, which matters for console features like DLSS. Its lack of display outputs and power connectors confirms it is not a standalone product.

The verdict from the recorded data is unambiguous: the Intel Arc Pro B65 wins on performance metrics across every category except tensor core count and power efficiency. The NVIDIA Switch 2 GPU wins on integration and efficiency. Neither part is suitable for the other's role. The Intel part cannot fit a portable console power budget, and the NVIDIA part cannot drive a desktop display or deliver workstation-class throughput. Buyers should choose based on their form factor and workload, not on raw comparison, because the two GPUs serve mutually exclusive markets. The 50th percentile ranking for both parts in the database reflects the absence of benchmark data, so specification-based analysis remains the only reliable guide.