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

Where Each One Wins

The Intel Arc B390 and NVIDIA GeForce RTX 4050 Max-Q occupy very different positions in the mobile graphics landscape. The Arc B390 is an integrated graphics processor built into Intel's Panther Lake platform, while the RTX 4050 Max-Q is a discrete mobile GPU from NVIDIA's Ada Lovelace generation. Their strengths align with their design goals: the Arc B390 targets efficiency and integration, while the RTX 4050 Max-Q prioritizes raw performance and feature completeness.

The single recorded benchmark score for the Arc B390 comes from 3DMark Steel Nomad DX12, where it posts 1482 points. That result places it at the 9th percentile among all GPUs in the database. Its nearest rivals in that test are all older NVIDIA parts: the GeForce GT 520MX (1463, 1.3% behind), GeForce 800M (1460, 1.5% behind), GeForce GT 625 OEM (1446, 2.5% behind), and GeForce GT 710 (1443, 2.7% behind). This clustering suggests the Arc B390 performs at a level comparable to entry-level discrete GPUs from a decade ago, not modern gaming silicon.

The RTX 4050 Max-Q has no recorded benchmark scores in the database, so its wins are defined by specification advantages rather than measured results. It sits at the 50th percentile among all GPUs, which indicates a mid-range standing based on its capabilities. The Arc B390's 9th percentile ranking shows a much lower overall position.

For use-case separation, the Arc B390 wins in scenarios where system integration matters. It uses system-shared memory, has no power connectors, and operates as an IGP. That means laptops using it can be thinner and lighter, with fewer components drawing power. The RTX 4050 Max-Q wins in scenarios requiring sustained performance, dedicated VRAM, and higher throughput. Its 6 GB GDDR6 memory and 192.0 GB/s bandwidth provide a dedicated memory pool, which is critical for texture-heavy workloads.

FAQ

Q: How does the Intel Arc B390 compare to its nearest rivals in the database?

A: The Arc B390 scores 1482 in 3DMark Steel Nomad DX12. That is 1.3% ahead of the GeForce GT 520MX, 1.5% ahead of the GeForce 800M, 2.5% ahead of the GeForce GT 625 OEM, and 2.7% ahead of the GeForce GT 710.

Q: What is the RTX 4050 Max-Q's memory configuration?

A: The RTX 4050 Max-Q uses 6 GB of GDDR6 memory on a 96-bit bus, providing 192.0 GB/s of bandwidth. The memory clock is 2000 MHz with 16 Gbps effective speed.

Q: Which GPU has higher FP32 throughput?

A: The RTX 4050 Max-Q delivers 8.218 TFLOPS of FP32 performance. The Arc B390 delivers 7.680 TFLOPS. The RTX 4050 Max-Q is approximately 7% higher in this metric.

Q: Do both GPUs support DirectX 12 Ultimate?

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

Q: What is the power draw difference between the two?

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

Q: What is the RTX 4050 Max-Q's transistor count compared to the Arc B390?

A: The RTX 4050 Max-Q has 18,900 million transistors on a 159 mm² die. The Arc B390's transistor count and die size are listed as unknown in the database.

Head-to-Head Benchmarks

There are no direct head-to-head benchmark records in the database for these two GPUs. The only benchmark available for either part is the Arc B390's 3DMark Steel Nomad DX12 score of 1482. The RTX 4050 Max-Q has no recorded benchmark entries.

Comparing their specification-derived performance ceilings shows where each part holds an advantage. The RTX 4050 Max-Q has higher pixel rate at 77.04 GPixel/s versus 60.00 GPixel/s for the Arc B390, a 28% advantage. Texture rate favors the RTX 4050 Max-Q as well: 128.4 GTexel/s versus 120.0 GTexel/s, a 7% lead. FP32 throughput puts the RTX 4050 Max-Q at 8.218 TFLOPS versus 7.680 TFLOPS for the Arc B390.

The Arc B390 counters in FP16 throughput. It delivers 15.36 TFLOPS (2:1 ratio) versus 8.218 TFLOPS (1:1 ratio) for the RTX 4050 Max-Q. This means the Arc B390 has nearly double the FP16 rate, which could matter for workloads that use reduced precision.

The RTX 4050 Max-Q has more execution resources across the board. It has 2560 shading units, 80 TMUs, and 48 ROPs. The Arc B390 has 1536 shading units, 48 TMUs, and 24 ROPs. The RTX 4050 Max-Q also carries 20 ray tracing cores and 80 tensor cores, while the Arc B390 has 12 ray tracing cores and no tensor cores listed.

Clock behavior differs substantially. The Arc B390 has a 300 MHz base clock and 2500 MHz boost clock. The RTX 4050 Max-Q has a 1140 MHz base clock and 1605 MHz boost clock. The Arc B390's boost clock is 55% higher, but the RTX 4050 Max-Q compensates with more parallel hardware.

Specification Differences

The two GPUs differ in nearly every tracked specification. The Arc B390 uses a 3 nm process from Intel, while the RTX 4050 Max-Q uses a 5 nm process from TSMC. The Arc B390's memory is system-shared, meaning size, type, bus width, and bandwidth are all dependent on the host system. The RTX 4050 Max-Q has fixed specifications: 6 GB GDDR6, 96-bit bus, 192.0 GB/s bandwidth.

Shading units: 1536 for the Arc B390 versus 2560 for the RTX 4050 Max-Q. TMUs: 48 versus 80. ROPs: 24 versus 48. Ray tracing cores: 12 versus 20. Tensor cores: none listed for the Arc B390, 80 for the RTX 4050 Max-Q.

Power connectors: both use none. Slot width: both are IGP. Bus interface: the Arc B390 uses IGP, while the RTX 4050 Max-Q uses PCIe 4.0 x8. Display outputs: both are portable device dependent.

The Arc B390's TDP is 80 W. The RTX 4050 Max-Q's TDP is 35 W. That is a 45 W difference, making the RTX 4050 Max-Q significantly more power-efficient on paper.

Release dates differ by about three years. The RTX 4050 Max-Q launched on 2023-01-02. The Arc B390 launched on 2026-01-26.

Architecture Differences

The Arc B390 is built on Intel's Xe3-LPG architecture, using the Panther Lake chip. It belongs to the Arc Graphics-M (Panther Lake) generation. The process node is 3 nm, fabricated by Intel. Transistor count and die size are unknown in the database.

The RTX 4050 Max-Q is built on NVIDIA's Ada Lovelace architecture, using the AD107 chip. It belongs to the GeForce 40 Mobile generation. The process node is 5 nm, fabricated by TSMC. The database records 18,900 million transistors on a 159 mm² die, yielding a transistor density of 118.9M per mm².

The Arc B390's FP16 performance is 15.36 TFLOPS at a 2:1 ratio, indicating that FP16 operations can run at twice the rate of FP32. The RTX 4050 Max-Q's FP16 is 8.218 TFLOPS at 1:1, meaning no throughput advantage for reduced precision.

The Arc B390 has no tensor cores listed, while the RTX 4050 Max-Q has 80. This affects AI acceleration and DLSS-style features. The Arc B390 does include 12 ray tracing cores, but the RTX 4050 Max-Q has 20.

Memory architecture is fundamentally different. The Arc B390 relies on system-shared memory, with bandwidth described as system dependent. The RTX 4050 Max-Q has dedicated GDDR6 with fixed bandwidth of 192.0 GB/s.

The RTX 4050 Max-Q has a predecessor (GeForce 30 Mobile) and successor (GeForce 50 Mobile) listed. The Arc B390 has no predecessor or successor in the database.

The Verdict

The data shows two GPUs built for different purposes. The Intel Arc B390 is an integrated solution that shares system memory and draws 80 W. Its single benchmark score of 1482 in 3DMark Steel Nomad DX12 places it near ancient NVIDIA parts like the GT 520MX and GT 710, all within 2.7% of each other. That places it at the 9th percentile of all GPUs.

The NVIDIA GeForce RTX 4050 Max-Q is a discrete GPU with dedicated 6 GB GDDR6 memory, 192.0 GB/s bandwidth, and a 35 W TDP. It sits at the 50th percentile, which is a much stronger overall position. Its specification advantages are consistent: more shading units (2560 versus 1536), more TMUs (80 versus 48), more ROPs (48 versus 24), more ray tracing cores (20 versus 12), and tensor cores that the Arc B390 lacks entirely.

For FP32 compute, the RTX 4050 Max-Q leads with 8.218 TFLOPS versus 7.680 TFLOPS. For pixel throughput, it leads 77.04 GPixel/s versus 60.00 GPixel/s. For texture throughput, it leads 128.4 GTexel/s versus 120.0 GTexel/s. The only compute metric where the Arc B390 wins is FP16, at 15.36 TFLOPS versus 8.218 TFLOPS.

The Arc B390 makes sense for systems where integration and shared memory are acceptable tradeoffs. Its 2500 MHz boost clock is high, and its FP16 capability is notable. However, its benchmark result and 9th percentile ranking indicate very low absolute performance.

The RTX 4050 Max-Q is the stronger part for gaming and graphics workloads that benefit from dedicated VRAM and higher throughput. Its 50th percentile standing, larger execution resource counts, and tensor core support make it the more capable GPU in nearly every measurable category. The power draw advantage is also significant: 35 W versus 80 W.

For a builder choosing between these two, the decision comes down to whether the platform requires an integrated solution or can accommodate a discrete GPU. The recorded data shows the RTX 4050 Max-Q as the superior performer, while the Arc B390 offers the integration benefit of system-shared memory within an IGP package.