Intel Processor U300L vs NVIDIA RTX Spark (MediaTek AHJ11488B) Comparison

Intel Processor U300L vs NVIDIA RTX Spark (MediaTek AHJ11488B)

The database records two mobile processors with very different design goals, and neither has a measured benchmark score yet. The Intel Processor U300L is an active, shipping part aimed at mainstream notebooks, while the NVIDIA RTX Spark (MediaTek AHJ11488B) is an unreleased, high-core-count part built on a far more advanced process. Both sit at the 50th percentile in the overall CPU distribution, but that percentile reflects their current placeholder status rather than any measured performance. The recorded specifications, however, allow a direct comparison of architecture, memory pathways, and physical characteristics.

Head-to-Head Benchmarks

No benchmark results have been recorded for either processor. The database lists zero wins for each, zero benchmark entries, and an average benchmark score of zero for both. This means the head-to-head comparison must be drawn entirely from the specification sheet, which is substantial. The NVIDIA RTX Spark holds a 4x core advantage: 20 cores versus 5, and a 3.33x thread advantage: 20 threads versus 6. That is a large parallelism gap, but the Intel part’s higher boost clock partially compensates in single-threaded workloads.

The Intel Processor U300L boosts to 4.40 GHz, which is 10% higher than the RTX Spark’s 4.00 GHz boost. In contrast, the RTX Spark has a base clock of 1.70 GHz, which is 41.7% higher than the Intel’s 1.20 GHz base. The Intel chip therefore has a wider clock range: from 1.20 GHz to 4.40 GHz, a span of 3.20 GHz, whereas the RTX Spark spans from 1.70 GHz to 4.00 GHz, a range of 2.30 GHz. The higher boost on the Intel part suggests stronger single-core performance potential, while the RTX Spark’s higher base clock and many more cores point toward sustained multi-threaded throughput.

Memory bandwidth strongly favors the NVIDIA part. The RTX Spark supports quad-channel LPDDR5X with a recorded bandwidth of 273.1 GB/s, while the Intel U300L uses dual-channel DDR4 or DDR5 with no bandwidth figure in the database. The RTX Spark’s memory bandwidth is more than double what a typical dual-channel DDR5 setup would provide, though the exact comparison cannot be quantified because the Intel part lacks a recorded bandwidth number. Cache hierarchy also differs. Both share 8 MB of L3 cache, but the L1 and L2 allocations are larger on the RTX Spark: 128 KB per core versus 80 KB per core for L1, and 2 MB per core versus 1.25 MB per core for L2. With 20 cores, the RTX Spark’s total L2 is 40 MB, compared to the Intel’s 6.25 MB across 5 cores.

The process node is a decisive differentiator. The RTX Spark is built on a 3 nm process at TSMC, while the Intel U300L uses Intel’s 10 nm node. The 3 nm node allows a much higher transistor density, which helps explain how the RTX Spark fits 20 cores, a larger per-core cache, and a 208 mm² die into a 38 W TDP. The Intel part, on 10 nm, has a 15 W TDP, which is 60.5% lower than the RTX Spark’s 38 W. Lower power draw is an advantage for fanless or passively cooled designs, but the RTX Spark’s power budget is still modest given its core count.

Where Each One Wins

The Intel Processor U300L wins in scenarios that favor high single-thread clocks and low power consumption. Its 4.40 GHz boost clock is the highest frequency in this comparison, and its 15 W TDP is less than half of the RTX Spark’s 38 W. For lightweight tasks such as web browsing, office productivity, or light media playback, the Intel part’s higher boost and lower power draw make it the more efficient choice. It also uses the Intel Socket 1700, which is a widely supported desktop-style socket, and it supports both DDR4 and DDR5 memory, giving system designers flexibility in memory selection. Its integrated UHD Graphics 48EU provides a basic display output without requiring a separate GPU.

The NVIDIA RTX Spark wins in multi-threaded and memory-intensive workloads. With 20 cores and 20 threads, it has no hyper-threading, but the raw core count alone gives it a massive parallel throughput advantage. The quad-channel LPDDR5X memory interface with 273.1 GB/s bandwidth is suited for workloads that stream large data sets, such as AI inference, data processing, or multimedia encoding. The larger L1 and L2 caches per core reduce memory latency for frequently accessed data. Its integrated graphics are listed as GB20B “Blackwell”, which indicates a newer GPU architecture, though no performance numbers are recorded.

The RTX Spark also wins on manufacturing efficiency. The 3 nm TSMC node is several generations ahead of Intel’s 10 nm, and the 208 mm² die size is smaller than what a 20-core design on 10 nm would likely require, though the Intel die size is not recorded. The RTX Spark uses 38 W for 20 cores, which is 1.9 W per core, whereas the Intel U300L uses 15 W for 5 cores, which is 3.0 W per core. The RTX Spark is therefore more power-efficient per core, but the Intel part is more power-efficient overall due to its much lower absolute TDP.

Architecture Differences

The two processors are built on fundamentally different architectures. The Intel Processor U300L uses Raptor Lake, specifically the Raptor Lake-PS codename, and is part of the Intel Processor (Raptor Lake) generation. It is manufactured on Intel’s 10 nm process at Intel’s own foundry. The RTX Spark uses the N1X codename, belongs to the Spark (GB10) generation, and is manufactured on a 3 nm process at TSMC. The foundry difference is significant: Intel fabricates its own chip, while the RTX Spark is produced by TSMC.

Core counts differ by a factor of four. The Intel part has 5 cores and 6 threads, indicating that one core supports hyper-threading. The RTX Spark has 20 cores and 20 threads, meaning no core has hyper-threading. The thread-to-core ratio is 1.2 for Intel and 1.0 for NVIDIA. The Intel part’s hybrid core arrangement is typical of Raptor Lake designs, but the database does not specify performance versus efficiency core types.

Cache organization is also different. The Intel U300L has 80 KB of L1 per core, 1.25 MB of L2 per core, and 8 MB of shared L3. The RTX Spark has 128 KB of L1 per core, 2 MB of L2 per core, and also 8 MB of shared L3. The per-core L1 is 60% larger on the RTX Spark, and the per-core L2 is 60% larger as well. Total L2 across all cores is 6.25 MB for Intel and 40 MB for NVIDIA, a 6.4x difference. The shared L3 is identical at 8 MB.

Memory support diverges completely. The Intel part supports DDR4 and DDR5 in a dual-channel configuration, with no ECC support. The RTX Spark supports only LPDDR5X in a quad-channel configuration, with a recorded bandwidth of 273.1 GB/s, and also lacks ECC. The memory bus width is double on the RTX Spark (quad versus dual), which directly contributes to its higher bandwidth. PCIe support also differs: the Intel U300L has PCIe Gen 4 with 8 lanes from the CPU, while the RTX Spark has no PCIe support listed.

Integrated graphics are present on both but from different vendors. The Intel part uses UHD Graphics with 48 execution units. The RTX Spark uses a GB20B “Blackwell” integrated GPU. No performance metrics are recorded for either iGPU. The production status differs: the Intel part is active and shipping, while the RTX Spark is unreleased. The release date for the Intel part is April 7, 2024, and the RTX Spark is slated for December 31, 2025.

FAQ

Q: Which processor has more cores?

A: The NVIDIA RTX Spark has 20 cores, which is four times the 5 cores of the Intel Processor U300L. The RTX Spark also has 20 threads, while the Intel part has 6 threads.

Q: What is the difference in boost clock speeds?

A: The Intel Processor U300L boosts to 4.40 GHz, which is 10% higher than the RTX Spark’s 4.00 GHz boost. The base clocks are 1.20 GHz for Intel and 1.70 GHz for NVIDIA.

Q: How does memory bandwidth compare?

A: The NVIDIA RTX Spark has a recorded memory bandwidth of 273.1 GB/s via quad-channel LPDDR5X. The Intel U300L uses dual-channel DDR4 or DDR5, but no bandwidth figure is recorded for it.

Q: Which processor has a smaller manufacturing process?

A: The NVIDIA RTX Spark is built on a 3 nm process at TSMC. The Intel Processor U300L uses Intel’s 10 nm process. The 3 nm node is significantly more advanced.

Q: What is the TDP difference?

A: The Intel Processor U300L has a TDP of 15 W, while the NVIDIA RTX Spark has a TDP of 38 W. The Intel part consumes 60.5% less power.

Q: Are both processors currently available?

A: No. The Intel Processor U300L is listed as active in production, with a release date of April 7, 2024. The NVIDIA RTX Spark is unreleased, with a release date of December 31, 2025.

The Verdict

The data points to two distinct usage profiles. The Intel Processor U300L is suited for power-sensitive mobile devices where battery life and low heat generation are priorities. Its 15 W TDP, 4.40 GHz boost clock, and support for DDR4 and DDR5 make it a flexible choice for mainstream laptops. It also has a launch MSRP of $107, which is the only price data available. The RTX Spark, by contrast, is aimed at workloads that can exploit 20 cores and 273.1 GB/s of memory bandwidth. Its 3 nm process, larger per-core caches, and quad-channel LPDDR5X point to high-throughput computing tasks, likely AI or data-heavy applications, though no benchmark scores confirm this.

For single-threaded responsiveness, the Intel part’s higher boost clock gives it an edge. For parallel throughput, the RTX Spark’s 4x core count and 6.4x larger total L2 cache are decisive on paper. The RTX Spark also has a newer process node and a higher base clock, but its higher TDP and lack of PCIe support limit its integration options. The Intel part’s PCIe Gen 4 with 8 lanes allows for standard expansion, which the RTX Spark does not offer. The choice depends on the workload: the Intel U300L for low-power, general-purpose computing, and the RTX Spark for multi-threaded, memory-hungry tasks. Without recorded benchmarks, these conclusions rest on the specification sheet alone.

Specification Differences

| Specification | Intel Processor U300L | NVIDIA RTX Spark (MediaTek AHJ11488B) |

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

| Cores | 5 | 20 |

| Threads | 6 | 20 |

| Base Clock | 1.20 GHz | 1.70 GHz |

| Boost Clock | 4.40 GHz | 4.00 GHz |

| TDP | 15 W | 38 W |

| Socket | Intel Socket 1700 | None listed |

| Architecture | Raptor Lake | None listed |

| Codename | Raptor Lake-PS | N1X |

| Generation | Intel Processor (Raptor Lake) | Spark (GB10) |

| Process Node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Die Size | Not listed | 208 mm² |

| L1 Cache | 80 KB (per core) | 128 KB (per core) |

| L2 Cache | 1.25 MB (per core) | 2 MB (per core) |

| L3 Cache | 8 MB (shared) | 8 MB (shared) |

| Memory Support | DDR4, DDR5 | LPDDR5X |

| Memory Bus | Dual-channel | Quad-channel |

| Memory Bandwidth | Not listed | 273.1 GB/s |

| PCIe | Gen 4, 8 Lanes (CPU only) | N/A |

| Integrated Graphics | UHD Graphics 48EU | GB20B “Blackwell” |

| Production Status | Active | Unreleased |

| Release Date | April 7, 2024 | December 31, 2025 |

| Launch MSRP | $107 | None listed |

| Part Number | SRPEKSRPEM | GSE1-675-A1 |