Intel Arc B390 vs NVIDIA RTX PRO 4500 Blackwell Comparison

Head-to-Head Benchmarks

The database contains a single direct comparison between these two parts, and the result is decisive. In 3DMark Steel Nomad (DX12), the Intel Arc B390 records a score of 1482, while the NVIDIA RTX PRO 4500 Blackwell reaches 7025. The delta is -78.9%, meaning the NVIDIA part finishes nearly four times ahead of the Intel part in this particular workload. This is not a close contest by any measurable standard.

The Intel Arc B390's average benchmark score is 1482, drawn from its single recorded test. Its percentile ranking against all GPUs in the database is 9, which places it in the lowest tier of recorded performance. The nearest rivals in the database for the Arc B390 are the NVIDIA GeForce GT 520MX at 1463 (1.3% slower), the NVIDIA GeForce 800M at 1460 (1.5% slower), the NVIDIA GeForce GT 625 OEM at 1446 (2.5% slower), and the NVIDIA GeForce GT 710 at 1443 (2.7% slower). These are all older, low-end mobile or OEM parts, and the Arc B390 sits just slightly above them.

The NVIDIA RTX PRO 4500 Blackwell tells a very different story. Its average benchmark score, calculated across nine recorded tests, is 31532. Its percentile ranking is 76, meaning it outperforms roughly three-quarters of all GPUs in the database. The nearest rivals are the NVIDIA TITAN RTX at 31676 (-0.5%, effectively a tie), the NVIDIA GRID M60-1Q at 31220 (1% behind), the NVIDIA Quadro M5000 at 31206 (1% behind), and the Intel Arc Pro A30M at 31894 (-1.1%, slightly ahead). These are all professional or high-end enthusiast parts, and the RTX PRO 4500 sits squarely among them.

The single head-to-head result confirms the gulf: in Steel Nomad, the RTX PRO 4500 delivers 7025 points against the Arc B390's 1482. The ratio is approximately 4.74 to 1 in favor of NVIDIA. No other shared benchmark exists in the database, so all further analysis must rely on the individual recorded scores and architectural data.

Where Each One Wins

The Intel Arc B390 wins in exactly zero of the head-to-head comparisons recorded. It has no benchmark victories on any test in the database. Its only recorded score, 1482 in Steel Nomad, places it at the 9th percentile, and its nearest rivals are all legacy NVIDIA parts from the GT 500, 800M, and GT 600 series. The data indicates this is an integrated graphics solution with performance in the range of decade-old discrete entry-level GPUs.

The NVIDIA RTX PRO 4500 Blackwell wins the single head-to-head test and extends that dominance across its full benchmark suite. In Geekbench Vulkan, it scores 221768. In Passmark G3D, it scores 33360. Passmark G2D shows 1336, Passmark GPU Compute shows 19255, and the DirectX legacy tests show 397 (DX9), 320 (DX11), 204 (DX10), and 119 (DX12). The 76th percentile ranking and the average score of 31532 confirm that this is a high-end professional workstation card, not an entry-level part.

The use-case split is stark. The Arc B390, with system-shared memory and no dedicated VRAM, is designed for portable devices where the CPU and GPU share the same memory pool. Its 80 W TDP and IGP slot width confirm this. The RTX PRO 4500, with 32 GB of dedicated GDDR7 memory and a 200 W TDP, targets professional rendering, compute, and workstation tasks. The benchmark scores reflect that positioning: the RTX PRO 4500 is roughly 21 times faster in average benchmark score than the Arc B390 (31532 vs 1482).

Architecture Differences

The Intel Arc B390 uses the Panther Lake chip with the Xe3-LPG architecture, built on a 3 nm process at Intel's foundry. It belongs to the Arc Graphics-M (Panther Lake) generation. The NVIDIA RTX PRO 4500 Blackwell uses the GB203 chip with the Blackwell 2.0 architecture, built on a 5 nm process at TSMC. The NVIDIA part has 45,600 million transistors on a 378 mm² die, with a transistor density of 120.6 million per square millimeter. The Intel part's transistor count and die size are not recorded.

The compute resources differ by an order of magnitude. The Arc B390 has 1536 shading units, 48 texture mapping units, 24 ROPs, and 12 ray tracing cores. The RTX PRO 4500 has 10496 shading units, 328 TMUs, 112 ROPs, and 82 RT cores. The NVIDIA part also has 328 tensor cores; the Intel part has no tensor core count recorded.

Clock speeds are closer than the core counts suggest. The Arc B390 runs at a base of 300 MHz and boosts to 2500 MHz. The RTX PRO 4500 runs at a base of 1635 MHz and boosts to 2407 MHz. The Intel part has a higher boost clock, but the NVIDIA part's massive core count overwhelms that advantage. The Arc B390's pixel rate is 60.00 GPixel/s and texture rate is 120.0 GTexel/s. The RTX PRO 4500's pixel rate is 269.6 GPixel/s and texture rate is 789.5 GTexel/s. In FP32 compute, the Arc B390 delivers 7.680 TFLOPS, while the RTX PRO 4500 delivers 50.53 TFLOPS. The FP16 figures are 15.36 TFLOPS (2:1 ratio) for Intel and 50.53 TFLOPS (1:1 ratio) for NVIDIA.

Memory is the most fundamental architectural split. The Arc B390 uses system-shared memory with a system-dependent bandwidth and no dedicated VRAM. The RTX PRO 4500 uses 32 GB of GDDR7 on a 256-bit bus, delivering 896.0 GB/s of bandwidth at an effective 28 Gbps. The Intel part's memory clock is listed as "System Shared," meaning it borrows from the host system. The NVIDIA part runs its memory at 1750 MHz base, 28 Gbps effective.

The NVIDIA part is a dual-slot card, 267 mm long, 111 mm tall, and 40 mm wide, using a single 16-pin power connector with a suggested 550 W power supply. The Intel part is an IGP (integrated graphics processor) with no power connectors and no slot width beyond "IGP." The NVIDIA card connects via PCIe 5.0 x16 and outputs 4x DisplayPort 2.1b. The Intel part's display outputs are "Portable Device Dependent," meaning they vary by the host device.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA RTX PRO 4500 Blackwell has an average benchmark score of 31532, while the Intel Arc B390 has 1482. The NVIDIA part ranks at the 76th percentile of all GPUs, while the Intel part ranks at the 9th percentile.

Q: How do the two compare in the single shared benchmark?

A: In 3DMark Steel Nomad (DX12), the RTX PRO 4500 scores 7025 against the Arc B390's 1482, a delta of -78.9% in NVIDIA's favor. The NVIDIA card wins the only head-to-head test recorded.

Q: What memory configurations do the two GPUs use?

A: The Arc B390 uses system-shared memory with no dedicated VRAM, no specified bus width, and system-dependent bandwidth. The RTX PRO 4500 uses 32 GB of GDDR7 on a 256-bit bus with 896.0 GB/s of bandwidth.

Q: What are the power requirements?

A: The Arc B390 has a TDP of 80 W and requires no power connectors, as it is an integrated part. The RTX PRO 4500 has a TDP of 200 W, uses a single 16-pin connector, and the database suggests a 550 W power supply.

Q: Which GPU has more ray tracing cores?

A: The RTX PRO 4500 has 82 ray tracing cores, while the Arc B390 has 12. The NVIDIA part also has 328 tensor cores; the Intel part has no tensor core count listed.

Q: How do the nearest rivals compare?

A: The Arc B390's closest rival is the NVIDIA GeForce GT 520MX at 1463, just 1.3% behind. The RTX PRO 4500's closest rival is the NVIDIA TITAN RTX at 31676, which is 0.5% ahead of the RTX PRO 4500's average score.

Specification Differences

| Field | Intel Arc B390 | NVIDIA RTX PRO 4500 Blackwell |

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

| Chip | Panther Lake | GB203 |

| Architecture | Xe3-LPG | Blackwell 2.0 |

| Process node | 3 nm | 5 nm |

| Foundry | Intel | TSMC |

| Transistors | Unknown | 45,600 million |

| Die size | Unknown | 378 mm² |

| Transistor density | Not recorded | 120.6M / mm² |

| Base clock | 300 MHz | 1635 MHz |

| Boost clock | 2500 MHz | 2407 MHz |

| Memory size | System Shared | 32 GB GDDR7 |

| Memory bus | System Shared | 256 bit |

| Memory bandwidth | System Dependent | 896.0 GB/s |

| Shading units | 1536 | 10496 |

| TMUs | 48 | 328 |

| ROPs | 24 | 112 |

| RT cores | 12 | 82 |

| Tensor cores | Not recorded | 328 |

| Pixel rate | 60.00 GPixel/s | 269.6 GPixel/s |

| Texture rate | 120.0 GTexel/s | 789.5 GTexel/s |

| FP32 compute | 7.680 TFLOPS | 50.53 TFLOPS |

| FP16 compute | 15.36 TFLOPS (2:1) | 50.53 TFLOPS (1:1) |

| TDP | 80 W | 200 W |

| Slot width | IGP | Dual-slot |

| Power connector | None | 1x 16-pin |

| Suggested PSU | Not recorded | 550 W |

| Bus interface | IGP | PCIe 5.0 x16 |

| Display outputs | Portable Device Dependent | 4x DisplayPort 2.1b |

| Dimensions | Not recorded | 267 mm x 111 mm x 40 mm |

| Release date | 2026-01-26 | 2025-03-17 |

| Predecessor | Not recorded | Workstation Ada |

Both parts support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA card is a discrete, dual-slot workstation GPU with dedicated memory, while the Intel part is an integrated graphics solution sharing system memory.

The Verdict

The data supports a clear separation of roles. The Intel Arc B390 is an integrated graphics processor with a 3 nm process, 80 W TDP, and system-shared memory. Its single benchmark score of 1482 places it at the 9th percentile, alongside legacy NVIDIA parts like the GT 520MX and GT 710. This part is suited only to basic display output and light 2D workloads on portable devices, based on the recorded performance.

The NVIDIA RTX PRO 4500 Blackwell is a professional workstation card with 32 GB of GDDR7, 10496 shading units, 82 RT cores, and 328 tensor cores. Its average benchmark score of 31532 places it at the 76th percentile, trading blows with the NVIDIA TITAN RTX and Intel Arc Pro A30M. The compute throughput of 50.53 TFLOPS in both FP32 and FP16, combined with 896.0 GB/s of memory bandwidth, indicates this part is designed for rendering, compute, and AI workloads.

The head-to-head result in Steel Nomad, where the RTX PRO 4500 scores 7025 against the Arc B390's 1482, encapsulates the entire relationship. The Intel part wins no benchmarks in the database. The NVIDIA part wins the only shared test and maintains a massive lead across its full suite. For any task requiring dedicated graphics memory, high compute throughput, or professional-grade rendering, the RTX PRO 4500 is the only viable choice according to the recorded data. The Arc B390's role is limited to integrated graphics duty, where its 80 W power draw and lack of discrete memory are acceptable constraints. The percentile rankings, 9 versus 76, and the average scores, 1482 versus 31532, leave no ambiguity about which part delivers higher performance.