Intel Arc Pro B65 vs NVIDIA GeForce RTX 5080 Comparison

FAQ

Q: Which GPU has the higher benchmark percentile ranking?

A: The NVIDIA GeForce RTX 5080 sits at the 87th percentile among all GPUs in the database, while the Intel Arc Pro B65 is at the 50th percentile.

Q: What is the difference in memory capacity between the two cards?

A: The Intel Arc Pro B65 features 32 GB of GDDR6 memory on a 256-bit bus, while the NVIDIA GeForce RTX 5080 has 16 GB of GDDR7 memory, also on a 256-bit bus.

Q: How do the FP32 compute figures compare?

A: The RTX 5080 delivers 56.28 TFLOPS of FP32 performance, which is roughly 4.6 times the 12.29 TFLOPS offered by the Arc Pro B65.

Q: What are the power connector requirements for each card?

A: The Intel card uses a single 8-pin connector with a suggested 550 W power supply, while the NVIDIA card requires a 16-pin connector and a suggested 750 W power supply.

Q: Which GPU has the higher memory bandwidth?

A: The RTX 5080 provides 960.0 GB/s of bandwidth, compared to 608.0 GB/s for the Arc Pro B65, a difference of about 58 percent in favor of NVIDIA.

Q: What is the release date of each product?

A: The NVIDIA GeForce RTX 5080 was released on January 29, 2025, and the Intel Arc Pro B65 followed on March 31, 2026.

Architecture Differences

The two GPUs come from different architectural lineages and are built for different primary roles. The Intel Arc Pro B65 uses the Xe2-HPG architecture, specifically the BMG-G21 chip, and belongs to the Battlemage generation for professional markets. The NVIDIA GeForce RTX 5080 uses the Blackwell 2.0 architecture with the GB203 chip and belongs to the GeForce 50-series consumer lineup.

Both are manufactured on a 5 nm process at TSMC, but the silicon budgets differ substantially. The Intel chip contains 19,600 million transistors on a 272 mm² die, giving a transistor density of 72.1 million per square millimeter. The NVIDIA chip packs 45,600 million transistors onto a 378 mm² die, achieving a higher density of 120.6 million per square millimeter. The RTX 5080 die is nearly 39 percent larger in area and carries more than twice the transistor count.

Core configuration diverges sharply. The Arc Pro B65 has 2,560 shading units, 160 texture mapping units, and 80 raster operation units. It also includes 20 ray tracing cores and no dedicated tensor cores. The RTX 5080 has 10,752 shading units, 336 TMUs, 112 ROPs, 84 ray tracing cores, and 336 tensor cores. That is roughly 4.2 times the shading units, 2.1 times the TMUs, and 4.2 times the ray tracing cores.

Memory architecture also differs. The Intel card uses GDDR6 at 2375 MHz with an effective 19 Gbps, while the NVIDIA card uses GDDR7 at 1875 MHz with an effective 30 Gbps. Despite the lower memory clock, the NVIDIA card achieves higher bandwidth due to the newer memory type. The Intel card has double the capacity, 32 GB versus 16 GB, which matters for large datasets and professional workloads.

Clock behavior is distinct as well. The Arc Pro B65 runs at a flat 2400 MHz for both base and boost. The RTX 5080 has a base clock of 2295 MHz and a boost clock of 2617 MHz, indicating a wider dynamic range and higher peak frequency under load.

API support is identical on paper: both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs differ, with the Intel card providing four DisplayPort 2.1 connectors and the NVIDIA card offering one HDMI 2.1b and three DisplayPort 2.1b connectors.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries for these two GPUs, and the Intel Arc Pro B65 has no recorded benchmark scores or nearest rivals in the database. The NVIDIA GeForce RTX 5080, however, has a full set of measurements across multiple test suites.

In 3DMark Steel Nomad DX12, the RTX 5080 scores 8,637 points. Geekbench results show 235,901 in OpenCL and 255,450 in Vulkan. PassMark results include 208 in DirectX 10, 324 in DirectX 11, 151 in DirectX 12, 389 in DirectX 9, 1,415 in G2D, 36,565 in G3D, and 21,789 in GPU compute. The average benchmark score for the RTX 5080 is 56,083.

Since the Arc Pro B65 has no scores in the database, direct comparison of measured results is impossible. The available data instead points to the RTX 5080's position among its nearest rivals. The AMD Radeon 8060S averages 55,757, which is 0.6 percent below the RTX 5080. The AMD Radeon RX 6750 GRE 12 GB averages 55,698, a 0.7 percent deficit. The AMD Radeon Pro W5700X averages 54,828, trailing by 2.3 percent. The AMD Radeon RX 9070 GRE averages 57,367, which is 2.2 percent ahead of the RTX 5080.

The RTX 5080's raw compute advantage over the Arc Pro B65 is evident from the specification sheet. FP32 throughput of 56.28 TFLOPS versus 12.29 TFLOPS indicates a 4.58 times advantage. Pixel rate is 293.1 GPixel/s versus 192.0 GPixel/s, a 1.53 times margin. Texture rate is 879.3 GTexel/s versus 384.0 GTexel/s, a 2.29 times margin. Memory bandwidth is 960.0 GB/s versus 608.0 GB/s, a 1.58 times margin.

These gaps show that the RTX 5080 leads across all measured throughput metrics. The Intel card's advantage lies elsewhere, specifically in memory capacity and power efficiency relative to its lower thermal envelope.

Specification Differences

The two GPUs differ in nearly every major specification category.

Process node is identical at 5 nm from TSMC, but transistor count and die size diverge. The Intel chip has 19,600 million transistors on a 272 mm² die; the NVIDIA chip has 45,600 million transistors on a 378 mm² die.

Clock speeds differ. The Arc Pro B65 operates at 2400 MHz base and boost. The RTX 5080 has a 2295 MHz base and 2617 MHz boost. Memory clocks are 2375 MHz for Intel and 1875 MHz for NVIDIA.

Memory configuration is a major split. Intel uses 32 GB of GDDR6 with a 256-bit bus and 608.0 GB/s bandwidth. NVIDIA uses 16 GB of GDDR7 with a 256-bit bus and 960.0 GB/s bandwidth.

Compute resources are starkly different. Intel has 2,560 shading units, 160 TMUs, 80 ROPs, and 20 ray tracing cores. NVIDIA has 10,752 shading units, 336 TMUs, 112 ROPs, 84 ray tracing cores, and 336 tensor cores. The Intel card lists no tensor cores.

Throughput rates reflect the core counts. Intel delivers 192.0 GPixel/s and 384.0 GTexel/s; NVIDIA delivers 293.1 GPixel/s and 879.3 GTexel/s. FP32 is 12.29 TFLOPS for Intel and 56.28 TFLOPS for NVIDIA. FP16 is 24.58 TFLOPS for Intel and 56.28 TFLOPS for NVIDIA. The Intel card uses a 2:1 FP16 ratio, while NVIDIA uses a 1:1 ratio.

Power and cooling differ. Intel has a 200 W TDP with a single 8-pin connector and a 550 W suggested power supply. NVIDIA has a 360 W TDP with a single 16-pin connector and a 750 W suggested power supply. Both are dual-slot cards.

Physical dimensions are only listed for NVIDIA: 304 mm in length, 137 mm in height, and 40 mm in width. The Intel card has no recorded dimensions.

Display outputs differ: Intel offers four DisplayPort 2.1 ports; NVIDIA offers one HDMI 2.1b and three DisplayPort 2.1b ports.

Release timing is different, with NVIDIA launching in January 2025 and Intel in March 2026. The NVIDIA card has a recorded launch MSRP of 999 USD; the Intel card has none. The NVIDIA card lists a predecessor (GeForce 40) and successor (GeForce 60); the Intel card has neither.

Where Each One Wins

The NVIDIA GeForce RTX 5080 wins decisively in raw compute performance. Its FP32 throughput is 4.58 times higher, and its texture rate is 2.29 times higher. The 84 ray tracing cores and 336 tensor cores give it substantial headroom for ray-traced workloads and AI-accelerated tasks, whereas the Intel card has no tensor cores and only 20 ray tracing cores. The RTX 5080 also leads in memory bandwidth by 58 percent, which benefits high-resolution rendering and compute-heavy scenes.

The RTX 5080's benchmark data confirms its standing. A 3DMark Steel Nomad DX12 score of 8,637 and a PassMark G3D score of 36,565 place it well above the database median, at the 87th percentile. Its nearest rivals all sit within a narrow band: the closest competitor is 0.6 percent behind, and the strongest is 2.2 percent ahead. That indicates a tightly contested performance class at the top, but the RTX 5080 holds its own.

The Intel Arc Pro B65 wins on memory capacity and power draw. Its 32 GB frame buffer is double that of the RTX 5080, which is a meaningful advantage for large model inference, massive textures, or multi-application professional workflows where memory footprint exceeds 16 GB. Its 200 W TDP is 160 W lower than the NVIDIA card, and its suggested power supply of 550 W is 200 W less demanding. The Intel card also uses a standard 8-pin connector instead of a 16-pin, which simplifies installation in systems with older power supplies.

The Intel card's flat 2400 MHz clock across base and boost suggests consistent sustained performance without thermal throttling variability, though the database contains no benchmark scores to verify this. Its four DisplayPort 2.1 outputs support multi-monitor professional setups, and its lack of tensor cores indicates a focus on traditional graphics and compute rather than AI acceleration.

The Verdict

The data in the database establishes a clear performance hierarchy. The NVIDIA GeForce RTX 5080 is the faster card by every measured throughput metric: FP32 compute, pixel rate, texture rate, and memory bandwidth. Its 87th percentile ranking and average benchmark score of 56,083 place it among the top tier of GPUs, with nearest rivals all within a few percentage points. The RTX 5080 is the choice for applications that demand maximum frame rates, ray tracing performance, or AI compute.

The Intel Arc Pro B65 occupies a different niche. Its 32 GB memory capacity is the standout feature, doubling the RTX 5080's 16 GB. For workloads where memory size matters more than raw speed, such as large dataset processing or high-resolution texture streaming, the Intel card offers a practical advantage. Its 200 W TDP and 550 W suggested power supply also make it an easier fit for systems with modest power budgets.

The RTX 5080 carries a 360 W TDP and requires a 750 W power supply, which is a meaningful system-level consideration. Its boost clock of 2617 MHz exceeds the Intel card's 2400 MHz, and its 960.0 GB/s bandwidth is the highest in this comparison.

The verdict from the recorded data is straightforward. The NVIDIA GeForce RTX 5080 is the superior performer across all benchmark-relevant metrics and the clear choice for high-end consumer or professional graphics work. The Intel Arc Pro B65 is a specialized alternative for memory-intensive tasks and power-sensitive deployments, where its larger frame buffer and lower power draw provide tangible benefits despite its lower compute ceiling. No direct head-to-head benchmark data exists in the database, so the comparison rests on the RTX 5080's recorded scores and the specification differences between the two cards.