Intel Arc B390 vs Intel Arc G3 Extreme Comparison

Head-to-Head Benchmarks

The recorded benchmark data for the Intel Arc B390 and Intel Arc G3 Extreme is limited to a single direct measurement. The Intel Arc B390 posts a 3DMark Steel Nomad DX12 score of 1482. The Intel Arc G3 Extreme has no recorded benchmark score in the database, which places its average benchmark score at 0. This creates a direct comparison where the B390 is the only part with quantifiable performance data.

The Intel Arc B390 sits at the 9th percentile among all GPUs in the database. Its nearest rival is the NVIDIA GeForce GT 520MX, which posts an average score of 1463. The B390 leads that part by 1.3%. The next closest competitor is the NVIDIA GeForce 800M at 1460, a 1.5% advantage for the B390. Against the NVIDIA GeForce GT 625 OEM, the B390 is ahead by 2.5%, and it holds a 2.7% lead over the NVIDIA GeForce GT 710. These margins are narrow, indicating that the B390 clusters tightly with entry-level discrete parts from previous generations.

Because the G3 Extreme has no benchmark entries, there is no head-to-head score to report. The database records zero wins for each part in direct competition. The G3 Extreme's percentile ranking of 50 is a placeholder value based on the absence of measured data, not a reflection of tested performance. The B390's 1482 score is the only verified number available for either product.

The FP32 throughput for both parts is identical at 7.680 TFLOPS. The pixel rate is 60.00 GPixel/s for each, and the texture rate is 120.0 GTexel/s. These figures confirm that the two products share the same raw compute configuration. The B390's 1482 score in Steel Nomad, a DirectX 12 workload, represents the sole data point for evaluating either GPU's real-world behavior.

FAQ

Q: What is the only recorded benchmark score for these two GPUs?

A: The Intel Arc B390 scores 1482 in 3DMark Steel Nomad DX12. The Intel Arc G3 Extreme has no benchmark scores recorded, resulting in an average benchmark score of 0.

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

A: The B390 leads the NVIDIA GeForce GT 520MX by 1.3%, the NVIDIA GeForce 800M by 1.5%, the NVIDIA GeForce GT 625 OEM by 2.5%, and the NVIDIA GeForce GT 710 by 2.7%. All four rivals have average scores between 1443 and 1463.

Q: Do the two Intel parts have different clock speeds?

A: No. Both the Intel Arc B390 and Intel Arc G3 Extreme run at a 300 MHz base clock and a 2500 MHz boost clock.

Q: What memory configurations do these GPUs use?

A: Both use System Shared memory. The memory type, bus width, and bandwidth are all listed as System Shared or System Dependent, meaning the values vary based on the host system.

Q: Are there any differences in API support?

A: No. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the thermal design power for these parts?

A: Both the Intel Arc B390 and Intel Arc G3 Extreme have a TDP of 80 W.

Where Each One Wins

The Intel Arc B390 is the only part with measured performance data. Its 1482 score in 3DMark Steel Nomad DX12 provides a reference point for DirectX 12 gaming workloads. The narrow margins over its nearest rivals, all within 2.7%, suggest that the B390 delivers performance comparable to older entry-level discrete GPUs. The B390's 9th percentile ranking places it near the bottom of the database, but the score is verified and reproducible.

The Intel Arc G3 Extreme has no benchmark entries, so it cannot claim any measured wins. The database records zero wins for each product in head-to-head competition. Without recorded scores, the G3 Extreme's performance profile remains undefined. Its 50th percentile value is not a tested result but a default placeholder.

For use cases where a measured data point matters, the B390 is the only option with evidence. The G3 Extreme may share identical specifications, but the absence of benchmark data means it offers no verified performance claims. In any comparison requiring recorded scores, the B390 is the sole participant with a result.

Specification Differences

The Intel Arc B390 and Intel Arc G3 Extreme share nearly every listed specification. Both use the Panther Lake chip with Xe3-LPG architecture and a 3 nm process node from Intel. The base clock is 300 MHz for both, and the boost clock is 2500 MHz for both. Memory is System Shared in both cases, with System Dependent bandwidth.

The shading unit count is identical at 1536. Texture mapping units number 48 for each, and render output units are 24 for each. Ray tracing cores are 12 on both parts. The pixel rate is 60.00 GPixel/s on both, the texture rate is 120.0 GTexel/s on both, and FP32 throughput is 7.680 TFLOPS on both. FP16 performance is 15.36 TFLOPS with a 2:1 ratio on both.

The TDP is 80 W for both products. Both are integrated graphics parts with IGP slot width and no power connectors. The bus interface is IGP for both, and display outputs are listed as Portable Device Dependent for both. API support matches exactly: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The only recorded differences are release dates and benchmark data. The Intel Arc B390 has a release date of January 26, 2026. The Intel Arc G3 Extreme has a release date of May 31, 2026. The B390 has a benchmark score of 1482, while the G3 Extreme has none. Production status is Active for both.

Architecture Differences

Both the Intel Arc B390 and Intel Arc G3 Extreme are built on the same Panther Lake chip and Xe3-LPG architecture. The process node is 3 nm from Intel's foundry. Transistor count and die size are both listed as unknown, so no comparison is possible on those fronts.

The core configuration is identical. Shading units, texture mapping units, render output units, and ray tracing cores all match. The memory subsystem is the same, with System Shared memory and System Dependent bandwidth. Neither part has a dedicated memory bus width or memory type listed.

The feature set is identical. Both support DirectX 12 Ultimate with the 12_2 feature level, OpenGL 4.6, and Vulkan 1.4. Neither part lists tensor cores, so any AI acceleration capabilities are not quantified in the database. The FP16 ratio of 2:1 is the same on both parts.

The key architectural takeaway is that these are the same GPU with different names and different release dates. The B390 launched approximately four months before the G3 Extreme. Beyond that timing difference, the database records no architectural divergence. The G3 Extreme's lack of benchmark data means the database cannot confirm whether the identical architecture translates to identical performance, but all measured specifications suggest it should.

Both parts are integrated graphics processors with an IGP slot width, no power connectors, and Portable Device Dependent display outputs. The 80 W TDP applies to both. The architecture is designed for portable devices, as indicated by the display output description, and the System Shared memory configuration confirms that both rely on host system memory rather than dedicated VRAM.