Intel Processor U301L vs NVIDIA DGX Spark (MediaTek AHJ11488B) Comparison

The Intel Processor U301L and the NVIDIA DGX Spark (MediaTek AHJ11488B) occupy different positions in the mobile computing spectrum. The recorded data shows a 5-core, 6-thread Intel part with a 15 W TDP, while the NVIDIA part is a 20-core, 20-thread processor with a 140 W TDP. These numbers alone indicate a substantial difference in performance envelope and power consumption. The database contains no direct head-to-head benchmark scores for these two parts, so the analysis must rely on their recorded specifications, cache arrangements, memory configurations, and process technology.

Head-to-Head Benchmarks

The database shows zero recorded head-to-head benchmark entries between the Intel Processor U301L and the NVIDIA DGX Spark (MediaTek AHJ11488B). With no wins assigned to either side, the comparison rests entirely on the specifications recorded in the database. The core count difference is the most immediate indicator: the NVIDIA part uses 20 cores and 20 threads, while the Intel part uses 5 cores and 6 threads. The Intel part's 6 threads versus 5 cores indicates Hyper-Threading support, allowing one core to handle two threads. The NVIDIA part shows equal core and thread counts, meaning each core handles a single thread.

Clock speeds favor the NVIDIA processor. The Intel Processor U301L has a base clock of 1.20 GHz and a boost clock of 2.20 GHz. The NVIDIA DGX Spark runs at a 2.80 GHz base clock and a 4.00 GHz boost clock. The boost clock difference is 1.80 GHz, which is a substantial gap. In single-threaded workloads, the higher boost clock of the NVIDIA part suggests a significant advantage, though the database does not include specific performance scores to quantify this.

The process node difference is notable. The Intel Processor U301L uses a 10 nm process from Intel's own foundry. The NVIDIA DGX Spark uses a 3 nm process from TSMC. A smaller process node typically allows for higher transistor density and improved power efficiency per unit of performance. The NVIDIA part also has a much larger die size at 208 mm², which reflects the integration of 20 cores and the GB20B "Blackwell" integrated graphics.

Cache configurations show clear differences in capacity per core. The Intel Processor 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 NVIDIA DGX Spark has 128 KB of L1 cache per core, 2 MB of L2 cache per core, and 8 MB of shared L3 cache. The NVIDIA part offers more L1 and L2 cache per core, which can reduce memory latency in compute-heavy workloads. Both parts share the same 8 MB L3 cache capacity, but the NVIDIA part distributes its L3 across more cores.

Memory support diverges significantly. The Intel Processor U301L supports DDR4 and DDR5 memory over a dual-channel bus. The NVIDIA DGX Spark supports LPDDR5X memory over a quad-channel bus. The database records a memory bandwidth of 273.1 GB/s for the NVIDIA part, while the Intel part has no recorded memory bandwidth figure. The quad-channel LPDDR5X configuration delivers substantially higher memory throughput than a dual-channel DDR4 or DDR5 setup, which matters for memory-bound workloads.

The Verdict

The data indicates two different usage profiles. The Intel Processor U301L, with its 15 W TDP and 5-core configuration, is designed for power-sensitive mobile systems. The NVIDIA DGX Spark, with a 140 W TDP and 20-core configuration, is built for high-performance computing tasks that require sustained throughput. The 125 W difference in TDP is a clear signal of the performance class each part targets.

The Intel Processor U301L uses the Intel Socket 1700, which is a desktop-oriented socket, despite its mobile market segment classification. The NVIDIA DGX Spark has no recorded socket, suggesting a soldered or board-integrated design. The Intel part has a launch MSRP of $107, while the NVIDIA part has a launch MSRP of $3999. The price difference reflects the massive gap in core count, clock speed, cache, and memory bandwidth.

The Intel Processor U301L has a 50th percentile ranking among all CPUs in the database, and the NVIDIA DGX Spark also has a 50th percentile ranking. This equal percentile placement is unusual given the specification differences, but it may reflect the database's current lack of benchmark scores for both parts. The average benchmark score is 0 for both, confirming the absence of recorded performance data.

Users who need a low-power processor for basic mobile tasks should consider the Intel part. Users who need high core counts and high memory bandwidth for compute workloads should consider the NVIDIA part. The recorded specifications make this distinction clear without requiring benchmark scores.

Architecture Differences

The architectural split between these two parts is substantial. The Intel Processor U301L is based on Raptor Lake architecture, specifically the Raptor Lake-PS codename. It belongs to the Intel Processor (Raptor Lake) generation. The NVIDIA DGX Spark uses the GB10 codename and belongs to the Spark (GB10) generation. The architecture field is blank for the NVIDIA part, but the GB10 codename and the GB20B "Blackwell" integrated graphics indicate a custom NVIDIA design.

The process node differs by generation and foundry. Intel produces the U301L on its own 10 nm process. TSMC produces the NVIDIA part on a 3 nm process. The 3 nm node is generational newer than 10 nm, which typically enables higher clock speeds and better power efficiency. The NVIDIA part's 4.00 GHz boost clock, achieved on a 20-core design, supports this expectation.

The integrated graphics differ in name and scale. The Intel Processor U301L includes UHD Graphics 64EU, which is a 64 execution unit configuration. The NVIDIA DGX Spark includes GB20B "Blackwell" graphics, which is part of NVIDIA's Blackwell architecture line. The database does not record the execution unit count or clock speed for the NVIDIA graphics, so a direct comparison of graphics compute power is not possible from the recorded data.

PCIe support differs. The Intel Processor U301L has Gen 4 PCIe with 8 lanes available from the CPU. The NVIDIA DGX Spark has no PCIe support recorded, marked as "N/A". This absence suggests the NVIDIA part relies on its integrated memory and graphics for data movement. The Intel part can connect to external GPUs or storage devices through its PCIe lanes.

The NVIDIA DGX Spark has a recorded die size of 208 mm². The Intel Processor U301L has no die size recorded. The transistor count is not recorded for either part, so the density comparison cannot be completed.

FAQ

Q: How many cores and threads does each processor have?

A: The Intel Processor U301L has 5 cores and 6 threads. The NVIDIA DGX Spark (MediaTek AHJ11488B) has 20 cores and 20 threads.

Q: What are the clock speeds of the two processors?

A: The Intel Processor U301L has a base clock of 1.20 GHz and a boost clock of 2.20 GHz. The NVIDIA DGX Spark has a base clock of 2.80 GHz and a boost clock of 4.00 GHz.

Q: What memory types do the two processors support?

A: The Intel Processor U301L supports DDR4 and DDR5 memory on a dual-channel bus. The NVIDIA DGX Spark supports LPDDR5X memory on a quad-channel bus with a recorded bandwidth of 273.1 GB/s.

Q: What is the power consumption of each processor?

A: The Intel Processor U301L has a TDP of 15 W. The NVIDIA DGX Spark has a TDP of 140 W.

Q: Which process nodes and foundries are used?

A: The Intel Processor U301L is manufactured on a 10 nm process at Intel. The NVIDIA DGX Spark is manufactured on a 3 nm process at TSMC.

Q: What is the cache configuration for each processor?

A: The Intel Processor U301L has 80 KB L1 per core, 1.25 MB L2 per core, and 8 MB shared L3. The NVIDIA DGX Spark has 128 KB L1 per core, 2 MB L2 per core, and 8 MB shared L3.

Where Each One Wins

The Intel Processor U301L wins in power efficiency. Its 15 W TDP allows for lighter cooling solutions and longer battery life in mobile devices. The NVIDIA DGX Spark requires 140 W, which is nearly an order of magnitude higher. The Intel part also wins on platform flexibility, since it uses the Intel Socket 1700 and supports DDR4 and DDR5 memory. Users with existing DDR4 modules can reuse them, and the Gen 4 PCIe lanes allow for expansion.

The Intel Processor U301L wins on affordability based on its launch MSRP of $107, compared to the NVIDIA part's launch MSRP of $3999. This is a specification-level observation, not a value judgment.

The NVIDIA DGX Spark wins on raw compute capacity. Its 20 cores at a 4.00 GHz boost clock provide a much larger performance ceiling for multi-threaded workloads. The 273.1 GB/s memory bandwidth, enabled by the quad-channel LPDDR5X bus, gives it a decisive advantage in memory-intensive tasks such as large data set processing. The 128 KB L1 and 2 MB L2 per core provide more on-die cache for data reuse.

The NVIDIA part wins on process technology. The 3 nm TSMC node is smaller than Intel's 10 nm node, which allows for the higher clock speeds at the given TDP. The 208 mm² die size accommodates the 20-core design and the GB20B "Blackwell" integrated graphics.

The Intel Processor U301L wins for basic mobile computing tasks that do not require sustained high performance. The NVIDIA DGX Spark wins for compute-heavy workloads that can utilize all 20 cores and the high memory bandwidth. The recorded data does not include any benchmark scores, so the magnitude of these advantages cannot be quantified from the database. The specification differences are clear enough to guide selection: low power and socket flexibility point to the Intel part, while core count, clock speed, cache, and memory bandwidth point to the NVIDIA part.