Intel Arc G3 vs Intel Processor U301L Comparison

FAQ

Q: What are the core counts of the Intel Arc G3 and the Intel Processor U301L?

A: The Intel Arc G3 has 14 cores and 14 threads. The Intel Processor U301L has 5 cores and 6 threads.

Q: How do the clock speeds compare between the two processors?

A: The Intel Arc G3 has a base clock of 1.90 GHz and a boost clock of 4.60 GHz. The Intel Processor U301L has a base clock of 1.20 GHz and a boost clock of 2.20 GHz.

Q: Which processor has a larger L3 cache?

A: The Intel Arc G3 has 18 MB of shared L3 cache, while the Intel Processor U301L has 8 MB of shared L3 cache.

Q: What process nodes are used by these processors?

A: The Intel Arc G3 is built on a 3 nm process node. The Intel Processor U301L is built on a 10 nm process node.

Q: Do both processors support ECC memory?

A: No. Neither the Intel Arc G3 nor the Intel Processor U301L supports ECC memory.

Q: What is the TDP of each processor?

A: The Intel Arc G3 has a TDP of 25 watts. The Intel Processor U301L has a TDP of 15 watts.

Architecture Differences

The Intel Arc G3 and Intel Processor U301L represent two distinct architectural approaches within Intel's mobile lineup. The Intel Arc G3 is based on the Panther Lake architecture and belongs to the Arc G3 generation. It is fabricated on a 3 nm process node at Intel's own foundry. The Intel Processor U301L belongs to the Raptor Lake architecture, specifically the Raptor Lake-PS generation, and uses a 10 nm process node, also from Intel's foundry. This process node difference is significant: the 3 nm node on the Arc G3 allows for a denser transistor layout and greater power efficiency per clock compared to the older 10 nm node used by the U301L.

Core organization differs markedly between the two. The Intel Arc G3 packs 14 cores and 14 threads, meaning every core is a single-threaded core with no hyper-threading. The Intel Processor U301L offers 5 cores and 6 threads, which indicates a hybrid configuration where one core can handle two threads while the others are single-threaded. The cache hierarchy also reflects their different design targets. The Arc G3 has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 18 MB of shared L3 cache. The U301L has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 8 MB of shared L3 cache. The Arc G3's larger per-core caches and more than double the shared L3 cache give it a substantial capacity advantage for workloads that repeatedly access large data sets.

Memory support further separates the two. The Intel Arc G3 supports LPDDR5X memory in a dual-channel configuration and has a recorded memory bandwidth of 136.5 GB/s. The Intel Processor U301L supports both DDR4 and DDR5 memory in a dual-channel configuration, but the database does not record a memory bandwidth figure for it. The lack of a recorded bandwidth value for the U301L makes a direct bandwidth comparison impossible, but the Arc G3's LPDDR5X support and explicit 136.5 GB/s figure indicate a high-bandwidth memory path.

PCI Express connectivity also differs. The Intel Arc G3 provides PCIe Gen 5 with 4 lanes available to the CPU. The Intel Processor U301L provides PCIe Gen 4 with 8 lanes available to the CPU. The Arc G3 uses a newer PCIe generation, which doubles the per-lane bandwidth compared to Gen 4, but it has half as many CPU-attached lanes. This means the U301L offers more total lanes at a lower per-lane speed, while the Arc G3 offers fewer lanes at higher speed.

Integrated graphics differ as well. The Intel Arc G3 includes Arc B370 integrated graphics. The Intel Processor U301L includes UHD Graphics 64EU. The Arc B370 is a newer graphics solution compared to the UHD Graphics 64EU, and the naming convention suggests a higher-tier integrated GPU.

The Intel Arc G3 uses the Intel BGA 2540 socket, while the Intel Processor U301L uses Intel Socket 1700. Both processors are locked, meaning the multiplier is not unlocked for overclocking. Both are classified as mobile market segments and are currently active in production. The release dates differ: the Intel Processor U301L launched on April 7, 2024, while the Intel Arc G3 launched on May 27, 2026.

Head-to-Head Benchmarks

The database currently records no head-to-head benchmark entries for the Intel Arc G3 versus the Intel Processor U301L. The wins counter shows zero for both processors, and the head-to-head benchmark list is empty. Similarly, the benchmark score arrays for both processors are empty, and both have an average benchmark score of zero. The percentile versus all CPUs is identical at 50 for both parts.

This absence of measured data means a direct numerical comparison of application performance cannot be established from recorded results. However, the hardware specifications in the database allow for an analytical comparison of expected behavior. The Intel Arc G3 has a boost clock of 4.60 GHz, which is more than double the 2.20 GHz boost clock of the Intel Processor U301L. Clock speed alone does not determine performance, but a gap this large, combined with the Arc G3's newer 3 nm process, points toward a significant per-thread performance advantage for the Arc G3.

The core count difference also matters. The Arc G3 has 14 cores versus 5 cores for the U301L. In multi-threaded workloads, the Arc G3 has 14 threads available, while the U301L has 6 threads. Even with the U301L's one hyper-threaded core, the Arc G3 offers more than double the thread count. For parallel workloads that scale with core count, the Arc G3 should deliver a large advantage.

The cache difference reinforces the same conclusion. The Arc G3's 18 MB of shared L3 cache is 2.25 times the 8 MB found on the U301L. The Arc G3 also has larger per-core L1 and L2 caches. For workloads with high cache reuse, the Arc G3 will experience fewer cache misses and less time spent waiting on memory.

Memory bandwidth is a further differentiator. The Arc G3 has a recorded memory bandwidth of 136.5 GB/s. The U301L has no recorded memory bandwidth in the database. The Arc G3's LPDDR5X support and its explicit bandwidth figure suggest it can feed its cores at a higher rate than the U301L, which is important for memory-intensive tasks.

The integrated graphics comparison also favors the Arc G3 on paper. The Arc B370 integrated graphics is a newer design than the UHD Graphics 64EU. While the database does not include graphics benchmark scores, the architectural generation gap between the two iGPUs is substantial.

The PCIe differences also matter for certain workloads. The Arc G3 offers PCIe Gen 5 with 4 lanes, while the U301L offers PCIe Gen 4 with 8 lanes. For workloads that use a single high-bandwidth device such as a fast NVMe SSD or an external GPU enclosure, the Arc G3's Gen 5 lanes provide higher per-lane throughput. For workloads that need more simultaneous devices on CPU-attached lanes, the U301L's 8 lanes give it more physical connectivity.

The TDP difference is notable. The Arc G3 has a TDP of 25 watts, while the U301L has a TDP of 15 watts. The Arc G3 consumes more power, but it also provides far more cores, higher clocks, and a larger cache. The U301L's lower TDP suggests it is aimed at more power-constrained designs.

The Verdict

The data in the database points to a clear performance hierarchy. The Intel Arc G3 holds substantial advantages in core count, thread count, clock speed, cache capacity, process node, memory bandwidth, and integrated graphics generation. The Intel Processor U301L holds advantages only in lower TDP, more PCIe lanes (8 versus 4), and broader memory type support (DDR4 and DDR5 versus only LPDDR5X).

For workloads that benefit from raw compute throughput, the Intel Arc G3 is the stronger choice. Its 14 cores, 14 threads, 4.60 GHz boost clock, and 18 MB of L3 cache give it a structural advantage that the U301L cannot match. The newer 3 nm process and LPDDR5X memory with 136.5 GB/s of bandwidth reinforce this position.

For designs that prioritize low power consumption, the Intel Processor U301L is the more appropriate part. Its 15 watt TDP is 10 watts lower than the Arc G3's 25 watt TDP. This makes the U301L suitable for fanless or passively cooled mobile systems, or for devices where battery life is the primary concern.

The Intel Processor U301L also offers more CPU-attached PCIe lanes. With 8 Gen 4 lanes, it can connect more devices directly to the CPU compared to the Arc G3's 4 Gen 5 lanes. For systems that require multiple high-speed peripherals on the CPU's PCIe controller, the U301L has a practical advantage.

Neither processor supports ECC memory, and both are multiplier-locked, so overclocking is not an option on either platform. Both are active production parts, so availability is not a concern from the database's perspective.

The Intel Arc G3 is the higher-performance part by a wide margin on paper. The Intel Processor U301L is the lower-power, higher-connectivity option that trades compute capability for efficiency and lane count.

Specification Differences

The two processors differ in several recorded specifications. The Intel Arc G3 has 14 cores and 14 threads. The Intel Processor U301L has 5 cores and 6 threads. The Arc G3 has a base clock of 1.90 GHz and a boost clock of 4.60 GHz. The U301L has a base clock of 1.20 GHz and a boost clock of 2.20 GHz.

The Arc G3 has a TDP of 25 watts. The U301L has a TDP of 15 watts. The Arc G3 uses the Intel BGA 2540 socket. The U301L uses Intel Socket 1700. The Arc G3 is based on the Panther Lake architecture and has no recorded architecture field. The U301L is based on the Raptor Lake architecture.

The process node differs: the Arc G3 uses 3 nm, while the U301L uses 10 nm. Both are fabricated by Intel. The Arc G3 has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 18 MB of shared L3 cache. The U301L has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 8 MB of shared L3 cache.

The Arc G3 supports LPDDR5X memory with a dual-channel bus and has a recorded memory bandwidth of 136.5 GB/s. The U301L supports DDR4 and DDR5 memory with a dual-channel bus and has no recorded memory bandwidth. Neither supports ECC memory.

The Arc G3 has PCIe Gen 5 with 4 CPU-attached lanes. The U301L has PCIe Gen 4 with 8 CPU-attached lanes. The Arc G3 has Arc B370 integrated graphics. The U301L has UHD Graphics 64EU integrated graphics.

The Arc G3 was released on May 27, 2026. The U301L was released on April 7, 2024. The U301L has a recorded launch MSRP of $107. The Arc G3 has no recorded launch MSRP. Both are mobile market segment parts, both are active in production, and both are multiplier-locked. The part numbers differ: SA4QZ for the Arc G3 and SRPKFQ5CW for the U301L.

Where Each One Wins

The Intel Arc G3 wins in every compute-oriented category. It has more cores and threads, which matters for rendering, compilation, video encoding, and scientific computing. Its higher boost clock of 4.60 GHz versus 2.20 GHz matters for single-threaded workloads such as web browsing, office productivity, and lightly threaded applications. Its larger cache hierarchy, 18 MB of shared L3 versus 8 MB, matters for database workloads, code compilation, and any application with a large working set. Its 136.5 GB/s memory bandwidth matters for memory-bound workloads such as large data analysis and media processing. Its newer 3 nm process node matters for efficiency per clock and thermal headroom. Its Arc B370 integrated graphics matters for light gaming, video playback, and GPU-accelerated applications without a discrete graphics card.

The Intel Processor U301L wins in power efficiency. Its 15 watt TDP is the lowest recorded value in this comparison, making it the better fit for small-form-factor mobile devices, ultraportable laptops, and passive cooling designs. Its 8 CPU-attached PCIe Gen 4 lanes provide more direct connectivity than the Arc G3's 4 Gen 5 lanes, which matters for systems that need to attach multiple NVMe drives or other high-speed devices directly to the CPU. Its support for both DDR4 and DDR5 memory gives system designers flexibility in memory selection, which can matter for cost-optimized or legacy-compatible designs. Its earlier release date and recorded launch MSRP of $107 indicate a more established market presence.

The benchmark database shows no recorded wins for either processor because no head-to-head benchmark results exist. The analysis above is based entirely on the recorded specifications. The Arc G3 is the performance pick. The U301L is the efficiency and connectivity pick.