Intel Arc Pro B65 vs NVIDIA RTX 4000 Ada Generation Comparison

Head-to-Head Benchmarks

The recorded data for this comparison is limited to benchmark scores for the NVIDIA RTX 4000 Ada Generation. The Intel Arc Pro B65 currently has no benchmark entries in the database, which makes a direct numerical comparison of measured performance impossible at this time. The RTX 4000 Ada Generation delivers an average benchmark score of 135,218 across two recorded tests, placing it in the 95th percentile of all GPUs in the database.

The RTX 4000 Ada Generation scores 146,593 in Geekbench OpenCL and 123,842 in Geekbench Vulkan. The OpenCL result is approximately 18.3% higher than the Vulkan result, indicating that the architecture responds differently to these two compute APIs. The average of these two scores, 135,218, serves as the primary reference point for positioning the card against its nearest rivals.

The Intel Arc Pro B65 has an average benchmark score of 0 and a percentile rank of 50, but these values reflect the absence of recorded measurements rather than actual performance. The database shows zero wins for the Intel card and zero wins for the NVIDIA card in head-to-head comparisons, confirming that no direct test data exists for this pairing.

Where Each One Wins

Because the Intel Arc Pro B65 has no benchmark data, the use-case split must be derived from the architectural and specification differences recorded in the database. The NVIDIA RTX 4000 Ada Generation demonstrates clear strengths in compute throughput based on its recorded specifications. Its FP32 performance of 26.73 TFLOPS is more than double the Intel card's 12.29 TFLOPS, which suggests a substantial advantage in raw floating-point workloads such as scientific simulation, rendering, and general compute tasks.

The Intel Arc Pro B65 counters with a memory capacity advantage. Its 32 GB GDDR6 configuration provides 60% more memory than the NVIDIA card's 20 GB, which matters for workloads that require very large datasets resident in video memory. The Intel card also has a wider memory bus at 256 bit versus 160 bit, and correspondingly higher bandwidth at 608.0 GB/s versus 360.0 GB/s. This gives the Intel card a 68.9% bandwidth advantage, which could benefit memory-intensive applications like large language model inference, complex scene rendering, or high-resolution texture streaming.

The NVIDIA card wins on texture rate, delivering 417.6 GTexel/s versus 384.0 GTexel/s for the Intel card, a difference of 8.75%. The Intel card wins on pixel rate, with 192.0 GPixel/s versus 139.2 GPixel/s, a 37.9% advantage. These metrics indicate different optimization points: the NVIDIA card favors texture-heavy workloads, while the Intel card favors fill-rate-bound scenarios.

Architecture Differences

The two GPUs come from different architectural generations and design philosophies. The Intel Arc Pro B65 uses the BMG-G21 chip built on the Xe2-HPG architecture, part of the Battlemage Pro Series generation. The NVIDIA RTX 4000 Ada Generation uses the AD104 chip on the Ada Lovelace architecture, classified in the Workstation Ada generation.

Both are fabricated on a 5 nm process at TSMC, but the transistor counts differ significantly. The NVIDIA chip contains 35,800 million transistors on a 294 mm² die, yielding a transistor density of 121.8 million per mm². The Intel chip contains 19,600 million transistors on a 272 mm² die, yielding 72.1 million per mm². The NVIDIA design packs roughly 82.7% more transistors into a die that is only 8.1% larger.

The shading unit counts reveal a major divergence. The NVIDIA card has 6,144 shading units, while the Intel card has 2,560. This 2.4x difference in shader count directly explains the FP32 throughput gap. The NVIDIA card also has 48 ray tracing cores and 192 tensor cores, while the Intel card has 20 ray tracing cores and no recorded tensor cores. This means the NVIDIA card has dedicated hardware for both ray tracing and tensor operations, while the Intel card relies on its shading units for those workloads.

Memory architecture also differs. The Intel card uses 32 GB of GDDR6 on a 256 bit bus at 2375 MHz (19 Gbps effective). The NVIDIA card uses 20 GB of GDDR6 on a 160 bit bus at 2250 MHz (18 Gbps effective). The Intel memory clock is 5.6% higher, and the effective data rate is 5.6% higher as well. The wider bus and larger capacity give Intel a decisive bandwidth advantage.

Specification Differences

The interface standards differ between the two cards. The Intel Arc Pro B65 uses PCIe 5.0 x16, while the NVIDIA RTX 4000 Ada Generation uses PCIe 4.0 x16. The newer PCIe generation on the Intel card provides a higher potential data transfer rate to the host system.

Display outputs differ as well. The Intel card provides 4x DisplayPort 2.1, while the NVIDIA card provides 4x DisplayPort 1.4a. The newer DisplayPort version on the Intel card supports higher bandwidth per connector, which matters for driving high-resolution or high-refresh-rate displays.

Power specifications show a substantial difference. The Intel card has a TDP of 200 W and requires a 550 W suggested power supply. The NVIDIA card has a TDP of 130 W and requires a 300 W suggested power supply. The Intel card uses a 1x 8-pin power connector, while the NVIDIA card uses a 1x 16-pin connector. The physical design also differs: the Intel card is dual-slot, while the NVIDIA card is single-slot. The NVIDIA card has recorded dimensions of 245 mm length and 112 mm height.

The clock behavior is notably different. The Intel card runs at a constant 2400 MHz for both base and boost clocks. The NVIDIA card has a base clock of 1500 MHz and a boost clock of 2175 MHz. This means the Intel card has a 60% higher base clock, but the NVIDIA card has a dynamic boost range that reaches closer to the Intel's fixed clock under load.

The release dates place these cards in different market periods. The NVIDIA RTX 4000 Ada Generation was released on 2023-08-08, with the Workstation Ampere as its predecessor and Blackwell PRO W as its successor. The Intel Arc Pro B65 was released on 2026-03-31, with no recorded predecessor or successor.

FAQ

Q: Which card has more FP32 compute throughput?

A: The NVIDIA RTX 4000 Ada Generation delivers 26.73 TFLOPS of FP32 performance, which is 117.5% higher than the Intel Arc Pro B65's 12.29 TFLOPS.

Q: How do the memory capacities compare?

A: The Intel Arc Pro B65 has 32 GB of GDDR6 memory, while the NVIDIA RTX 4000 Ada Generation has 20 GB. The Intel card provides 60% more memory capacity.

Q: Which card has higher memory bandwidth?

A: The Intel Arc Pro B65 has a memory bandwidth of 608.0 GB/s, compared to 360.0 GB/s for the NVIDIA card. This gives the Intel card a 68.9% bandwidth advantage.

Q: What is the power consumption difference?

A: The Intel Arc Pro B65 has a TDP of 200 W, while the NVIDIA RTX 4000 Ada Generation has a TDP of 130 W. The NVIDIA card consumes 35% less power.

Q: Which card has more shading units?

A: The NVIDIA RTX 4000 Ada Generation has 6,144 shading units, while the Intel Arc Pro B65 has 2,560. The NVIDIA card has 2.4 times as many shading units.

Q: Do both cards support the same graphics APIs?

A: Yes, both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The Verdict

The recorded data presents an incomplete comparison because the Intel Arc Pro B65 has no benchmark scores in the database. The NVIDIA RTX 4000 Ada Generation, by contrast, has two recorded benchmark results and a 95th percentile ranking among all GPUs. Its nearest rivals in the database are the NVIDIA A10M at 135,230 average score (0% delta), the AMD Radeon PRO W6800 at 135,396 (-0.1% delta), the AMD Radeon Pro W6800X Duo at 135,774 (-0.4% delta), and the AMD Radeon PRO V620 at 136,472 (-0.9% delta). This places the RTX 4000 Ada Generation in a tightly clustered performance band where the largest recorded gap to a rival is less than 1%.

For users who prioritize measured compute performance, the NVIDIA RTX 4000 Ada Generation is the only card in this pairing with recorded data, and its specifications align with a compute-oriented design. Its 26.73 TFLOPS FP32 throughput, 48 ray tracing cores, and 192 tensor cores provide dedicated hardware for modern rendering and AI workloads. The single-slot form factor and 130 W TDP make it a compact, efficient option.

For users who prioritize memory capacity and bandwidth, the Intel Arc Pro B65 offers clear specification advantages. Its 32 GB memory capacity, 256 bit bus, and 608.0 GB/s bandwidth exceed the NVIDIA card on all three metrics. The PCIe 5.0 interface and DisplayPort 2.1 outputs also indicate a newer platform generation. However, without benchmark data, the actual realized performance of these specifications cannot be confirmed from the database.

The verdict from the data is straightforward: the NVIDIA RTX 4000 Ada Generation has verified performance results and a high percentile ranking, while the Intel Arc Pro B65 has promising specifications but no measured scores. Users who require validated performance should select the NVIDIA card. Users who need maximum memory capacity and bandwidth, and who are willing to accept an unverified performance profile, may consider the Intel card based on its recorded specifications alone.