Intel Arc Pro B390 vs NVIDIA GeForce RTX 4050 Max-Q Comparison

Intel Arc Pro B390 and NVIDIA GeForce RTX 4050 Max-Q represent two distinct approaches to mobile graphics, with the former built on Intel’s Panther Lake platform and the latter on NVIDIA’s Ada Lovelace architecture. The data shows a close contest in raw throughput, but the two parts diverge sharply in power consumption, memory configuration, and feature set. The RTX 4050 Max-Q holds a narrow edge in peak FP32 compute and texture fill, while the Arc Pro B390 counters with higher boost clocks, a newer process node, and shared memory flexibility.

Head-to-Head Benchmarks

The benchmark results indicate that the NVIDIA GeForce RTX 4050 Max-Q leads in raw shading throughput. The RTX 4050 Max-Q delivers 8.218 TFLOPS of FP32 performance, which is 7.0% higher than the Intel Arc Pro B390’s 7.680 TFLOPS. This advantage stems from a larger shader array, 2560 shading units versus 1536, though the Arc Pro B390 compensates with a higher boost clock of 2500 MHz against the RTX 4050 Max-Q’s 1605 MHz.

In texture processing, the RTX 4050 Max-Q also takes the lead. Its texture rate of 128.4 GTexel/s surpasses the Arc Pro B390’s 120.0 GTexel/s, a 7.0% margin that aligns with the FP32 gap. The RTX 4050 Max-Q’s 80 texture mapping units (TMUs) outnumber the Arc Pro B390’s 48 TMUs, though the latter’s higher clock speed narrows the difference.

Pixel fill rate tells a similar story. The RTX 4050 Max-Q achieves 77.04 GPixel/s, compared to the Arc Pro B390’s 60.00 GPixel/s, a 28.4% advantage for NVIDIA. This results from the RTX 4050 Max-Q’s 48 ROPs versus 24 ROPs on the Arc Pro B390. For tasks that rely heavily on raster output, such as high-resolution framebuffer writes, the RTX 4050 Max-Q has a clear edge.

The Arc Pro B390, however, posts a significant win in FP16 compute. It delivers 15.36 TFLOPS using a 2:1 ratio, exactly double its FP32 throughput. The RTX 4050 Max-Q, in contrast, offers 8.218 TFLOPS FP16 at a 1:1 ratio, meaning the Arc Pro B390 provides 86.9% more FP16 performance. This makes the Intel part notably stronger for workloads that leverage half-precision arithmetic, such as certain AI inference and image processing tasks.

Clock speeds also favor the Arc Pro B390. Its base clock of 300 MHz is far lower than the RTX 4050 Max-Q’s 1140 MHz, but the boost clock of 2500 MHz exceeds the RTX 4050 Max-Q’s 1605 MHz by 55.8%. The recorded data suggests the Arc Pro B390 can sustain higher peak frequencies when thermal and power headroom allow.

Architecture Differences

The two GPUs use entirely different silicon. The Intel Arc Pro B390 is built on Intel’s Xe3-LPG architecture, part of the Panther Lake chip, and fabricated on a 3 nm process at Intel’s own foundry. The NVIDIA GeForce RTX 4050 Max-Q uses the Ada Lovelace architecture with an AD107 chip, manufactured on a 5 nm process by TSMC. The 3 nm node gives Intel a manufacturing advantage in density and efficiency potential, though the RTX 4050 Max-Q’s smaller physical footprint reflects its simpler design.

Transistor counts and die size differ substantially. The RTX 4050 Max-Q contains 18,900 million transistors on a 159 mm² die, yielding a density of 118.9M per mm². The Arc Pro B390’s transistor count and die size are listed as unknown in the database, so no direct comparison is possible. The NVIDIA part’s dedicated memory interface uses 6 GB of GDDR6 on a 96-bit bus, providing 192.0 GB/s of bandwidth. The Arc Pro B390 instead relies on system shared memory, with bandwidth described as system dependent, meaning its performance scales with the host platform’s memory configuration.

Feature support shows both parts support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RTX 4050 Max-Q includes 80 tensor cores and 20 ray tracing cores, while the Arc Pro B390 lists 12 ray tracing cores and no tensor core count. The Arc Pro B390’s lack of dedicated tensor hardware may limit its performance in AI-accelerated workloads that rely on NVIDIA’s TensorRT or similar optimizations.

Power draw is a defining difference. The RTX 4050 Max-Q has a TDP of 35 W, while the Arc Pro B390 consumes 80 W. This 45 W gap means the NVIDIA part operates at less than half the power envelope of the Intel part, yet delivers higher FP32 and pixel throughput. The RTX 4050 Max-Q also uses a PCIe 4.0 x8 bus interface, whereas the Arc Pro B390 is integrated via an IGP interface with no dedicated power connectors. Both are listed as IGP slot width, indicating they are designed for portable devices.

Where Each One Wins

The RTX 4050 Max-Q wins in scenarios dominated by standard 32-bit compute and rasterization. Its 8.218 TFLOPS FP32, 128.4 GTexel/s texture rate, and 77.04 GPixel/s pixel rate make it the stronger choice for conventional gaming workloads, where shader complexity and fill rates drive performance. The 6 GB GDDR6 memory with 192.0 GB/s bandwidth provides dedicated, predictable memory access, which is advantageous for textures and frame buffers. The 80 tensor cores and 20 ray tracing cores also give it a functional edge in DLSS-style upscaling and ray-traced effects, assuming software support.

The Arc Pro B390 wins in half-precision compute and low-power integration scenarios. Its 15.36 TFLOPS FP16 throughput is nearly double that of the RTX 4050 Max-Q, making it more capable for FP16-heavy inference or compute tasks. The system shared memory model allows the GPU to access the full system RAM pool, which can be beneficial for large datasets that exceed 6 GB, though bandwidth remains system dependent. The 3 nm process and 80 W TDP suggest it can sustain higher clocks when power is available, as evidenced by the 2500 MHz boost.

The RTX 4050 Max-Q’s lower 35 W TDP makes it more suitable for thin-and-light laptops where thermal and battery constraints are strict. The Arc Pro B390’s higher power draw may require more robust cooling and battery capacity, limiting its deployment to larger chassis or performance-focused designs.

FAQ

Q: Which GPU has higher FP32 performance?

A: The NVIDIA GeForce RTX 4050 Max-Q delivers 8.218 TFLOPS, which is 7.0% higher than the Intel Arc Pro B390’s 7.680 TFLOPS.

Q: How do the two compare in FP16 compute?

A: The Intel Arc Pro B390 provides 15.36 TFLOPS FP16 (2:1 ratio), while the RTX 4050 Max-Q offers 8.218 TFLOPS FP16 (1:1 ratio). The Arc Pro B390 has 86.9% more FP16 throughput.

Q: What is the memory configuration difference?

A: The RTX 4050 Max-Q has 6 GB of GDDR6 on a 96-bit bus with 192.0 GB/s bandwidth. The Arc Pro B390 uses system shared memory with system dependent bandwidth and bus width.

Q: Which GPU has a higher boost clock?

A: The Intel Arc Pro B390 boosts to 2500 MHz, compared to the RTX 4050 Max-Q’s 1605 MHz, a 55.8% higher peak frequency.

Q: What are the TDP differences?

A: The RTX 4050 Max-Q has a 35 W TDP, while the Arc Pro B390 has an 80 W TDP. The NVIDIA part consumes less than half the power.

Q: Do both support the same APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RTX 4050 Max-Q adds 80 tensor cores and 20 ray tracing cores, while the Arc Pro B390 has 12 ray tracing cores.

Specification Differences

The two parts differ in several key fields. The process node is 3 nm for the Intel Arc Pro B390 versus 5 nm for the RTX 4050 Max-Q, with Intel as the foundry for the former and TSMC for the latter. The RTX 4050 Max-Q has 18,900 million transistors on a 159 mm² die, while the Arc Pro B390’s figures are unknown. Base clocks are 300 MHz for the Intel part and 1140 MHz for the NVIDIA part, with boost clocks at 2500 MHz and 1605 MHz, respectively.

Memory differs completely: the Arc Pro B390 uses system shared memory with system dependent bandwidth, while the RTX 4050 Max-Q uses 6 GB GDDR6 with a 96-bit bus and 192.0 GB/s bandwidth. Shading units are 1536 versus 2560, TMUs are 48 versus 80, and ROPs are 24 versus 48. Ray tracing cores are 12 versus 20, and the RTX 4050 Max-Q has 80 tensor cores while the Arc Pro B390 has none listed. FP16 throughput is 15.36 TFLOPS (2:1) for Intel and 8.218 TFLOPS (1:1) for NVIDIA. TDP is 80 W for the Arc Pro B390 and 35 W for the RTX 4050 Max-Q. The bus interface is IGP for Intel and PCIe 4.0 x8 for NVIDIA. The release dates are 2026-01-26 for the Intel part and 2023-01-02 for the NVIDIA part, with the latter having a predecessor of GeForce 30 Mobile and a successor of GeForce 50 Mobile, while the Intel part lists HD Graphics-WM as its predecessor.

The Verdict

The data points to the NVIDIA GeForce RTX 4050 Max-Q as the stronger general-purpose GPU for most portable graphics tasks. It delivers higher FP32, texture, and pixel rates while using only 35 W of power, making it more efficient for gaming and standard rendering. The dedicated 6 GB GDDR6 memory and tensor cores add functionality that the Arc Pro B390 lacks.

The Intel Arc Pro B390 is the better choice for workloads that prioritize FP16 compute, where its 15.36 TFLOPS nearly doubles the RTX 4050 Max-Q. Its 3 nm process and high boost clock indicate potential for sustained performance in compute-heavy applications, provided the 80 W power budget is available. The system shared memory model offers flexibility for large memory footprints, but with system dependent bandwidth, it cannot guarantee the same throughput as dedicated GDDR6.

For users who need consistent raster performance, ray tracing, and AI acceleration at minimal power draw, the RTX 4050 Max-Q is the proven option. For those focused on half-precision compute or requiring integrated graphics without dedicated memory, the Arc Pro B390 presents a modern alternative with a significant FP16 advantage.