Intel Core 7 251E vs NVIDIA RTX Spark (MediaTek AHJ11488B) Comparison

FAQ

Q: What are the core and thread counts of the Intel Core 7 251E and the NVIDIA RTX Spark (MediaTek AHJ11488B)?

A: The Intel Core 7 251E has 24 cores and 32 threads. The NVIDIA RTX Spark has 20 cores and 20 threads.

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

A: The Intel Core 7 251E has a base clock of 2.10 GHz and a boost clock of 5.60 GHz. The NVIDIA RTX Spark has a lower base clock of 1.70 GHz and a boost clock of 4.00 GHz.

Q: What is the difference in process node technology?

A: The Intel Core 7 251E is built on a 10 nm process by Intel. The NVIDIA RTX Spark uses a much smaller 3 nm process manufactured by TSMC.

Q: Which processor supports ECC memory?

A: The Intel Core 7 251E supports ECC memory. The NVIDIA RTX Spark does not support ECC memory.

Q: What memory types and bus widths do these processors use?

A: The Intel Core 7 251E supports DDR4 and DDR5 memory with a dual-channel bus. The NVIDIA RTX Spark supports LPDDR5X memory with a quad-channel bus.

Q: What is the TDP of each processor?

A: The Intel Core 7 251E has a TDP of 65 watts. The NVIDIA RTX Spark has a TDP of 38 watts.

The Verdict

The recorded data shows two processors aimed at different segments. The Intel Core 7 251E is a desktop part with a 65-watt TDP, 24 cores, 32 threads, and a boost clock of 5.60 GHz. It targets users who need high multi-threaded throughput and high-frequency responsiveness in a desktop environment. The NVIDIA RTX Spark (MediaTek AHJ11488B) is a mobile, unreleased processor with a 38-watt TDP, 20 cores, 20 threads, and a boost clock of 4.00 GHz. It delivers higher memory bandwidth (273.1 GB/s versus 89.6 GB/s) and a smaller 3 nm process node.

For a desktop workload where sustained all-core performance and high boost clocks matter, the Intel part is the logical choice. Its 32 threads provide more parallel execution capacity than the 20 threads of the NVIDIA chip. For a mobile or power-constrained scenario, the NVIDIA RTX Spark uses less power (38 watts versus 65 watts) and offers a much faster memory interface. The data indicates no single winner; the selection depends on the environment, desktop versus mobile, and the priority given to thread count versus memory bandwidth.

Head-to-Head Benchmarks

The head-to-head benchmark array in the database contains no recorded entries. Consequently, there are no measurable performance scores, deltas, or percentile comparisons between these two processors. The wins count for each part is zero. Without benchmark results, the analysis must rely on the specification differences that are present in the database.

The most significant numeric contrasts are in core count, clock speed, memory bandwidth, and power. The Intel Core 7 251E has 24 cores versus 20 cores for the NVIDIA RTX Spark, a 4-core advantage. It also has 32 threads versus 20 threads, a 12-thread advantage. In clock speed, the Intel part boosts to 5.60 GHz, which is 1.60 GHz higher than the 4.00 GHz boost of the NVIDIA part. The base clock is also higher on the Intel side: 2.10 GHz versus 1.70 GHz.

The NVIDIA RTX Spark counters in memory bandwidth. Its quad-channel LPDDR5X memory provides 273.1 GB/s, which is 183.5 GB/s higher than the 89.6 GB/s of the Intel processor's dual-channel memory. The NVIDIA chip also uses a more advanced 3 nm process from TSMC, compared to the 10 nm process used by Intel.

Cache configurations also differ. The Intel Core 7 251E has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The NVIDIA RTX Spark has 128 KB of L1 cache per core, 2 MB of L2 cache per core, and only 8 MB of shared L3 cache. The Intel part provides 28 MB more L3 cache, which can help with larger working sets in desktop workloads.

Specification Differences

The two processors differ in nearly every major specification field. The Intel Core 7 251E is a desktop processor with an Intel Socket 1700. The NVIDIA RTX Spark has no socket listed, indicating a mobile or integrated design. The Intel part has 24 cores and 32 threads; the NVIDIA part has 20 cores and 20 threads. The Intel base clock is 2.10 GHz, and its boost clock is 5.60 GHz. The NVIDIA base clock is 1.70 GHz, and its boost clock is 4.00 GHz.

Power consumption differs substantially. The Intel part has a TDP of 65 watts, while the NVIDIA part has a TDP of 38 watts. The process node also differs: Intel uses 10 nm, while the NVIDIA chip uses 3 nm. The die size is 257 mm² for the Intel part and 208 mm² for the NVIDIA part. The Intel part is manufactured by Intel, and the NVIDIA part is manufactured by TSMC.

Memory support is different. The Intel Core 7 251E supports DDR4 and DDR5 with a dual-channel bus and 89.6 GB/s of bandwidth. The NVIDIA RTX Spark supports LPDDR5X with a quad-channel bus and 273.1 GB/s of bandwidth. ECC memory is supported on the Intel part but not on the NVIDIA part. PCIe support is listed as Gen 5 with 16 lanes on the Intel CPU, while the NVIDIA part has PCIe listed as N/A. The integrated graphics are UHD Graphics 770 on the Intel part and GB20B "Blackwell" on the NVIDIA part.

The market segments differ: the Intel part is for desktops, and the NVIDIA part is for mobile. Production status also differs: the Intel part is active, while the NVIDIA part is unreleased. The release dates are January 12, 2025 for the Intel part and December 31, 2025 for the NVIDIA part. The Intel part has a launch MSRP of $384; no MSRP is recorded for the NVIDIA part. Neither processor has an unlocked multiplier.

Architecture Differences

The architectural data reveals distinct design philosophies. The Intel Core 7 251E uses the Bartlett Lake codename and belongs to the Core 7 (Bartlett Lake) generation. It is built on a 10 nm process at Intel's foundry. The die size is 257 mm². The cache hierarchy uses 80 KB of L1 per core, 2 MB of L2 per core, and a shared 36 MB L3 cache. The part number is SRQDUQ657.

The NVIDIA RTX Spark uses the N1X codename and belongs to the Spark (GB10) generation. It is built on a 3 nm process at TSMC. The die size is 208 mm². The cache hierarchy uses 128 KB of L1 per core, 2 MB of L2 per core, and a shared 8 MB L3 cache. The part number is GSE1-675-A1. The integrated graphics are branded as GB20B "Blackwell."

The memory architecture is a major divider. The Intel part uses a dual-channel bus with DDR4/DDR5 memory, delivering 89.6 GB/s. The NVIDIA part uses a quad-channel bus with LPDDR5X memory, delivering 273.1 GB/s. This 3.05x difference in memory bandwidth suggests the NVIDIA chip is designed for workloads that are memory bandwidth sensitive, such as AI inference or data movement within a mobile package. The Intel part relies on higher core counts and higher clock speeds to drive performance.

The core count difference also implies a different threading strategy. The Intel part supports simultaneous multithreading, given 24 cores produce 32 threads. The NVIDIA part has 20 cores and 20 threads, indicating no multithreading per core. This means the Intel processor can handle 12 more concurrent threads, which matters for heavily parallel desktop applications. The NVIDIA processor's lack of extra threads suggests a focus on single-thread efficiency and power savings.

Where Each One Wins

The Intel Core 7 251E wins in scenarios that benefit from high thread counts and high boost clocks. With 32 threads, it can handle parallel workloads such as compilation, rendering, or virtualization more effectively than the 20-thread NVIDIA part. Its boost clock of 5.60 GHz gives it an advantage in lightly threaded tasks where frequency is the limiting factor. The larger 36 MB L3 cache may also help with datasets that exceed the 8 MB L3 of the NVIDIA chip. Desktop users with Socket 1700 motherboards can use this part with DDR4 or DDR5 memory, and the ECC memory support makes it suitable for workstation or server-adjacent builds where data integrity is important. Its active production status and release date of January 12, 2025 mean it is currently available, and its launch MSRP is $384.

The NVIDIA RTX Spark (MediaTek AHJ11488B) wins in power-constrained and mobile environments. Its 38-watt TDP is 27 watts lower than the Intel part, which reduces cooling requirements and extends battery life in portable systems. The 3 nm TSMC process node suggests higher transistor density and efficiency relative to the 10 nm Intel process. The quad-channel LPDDR5X memory with 273.1 GB/s bandwidth is a decisive advantage for workloads that move large amounts of data through memory, such as certain AI or media processing tasks. The 128 KB L1 cache per core is larger than the 80 KB per core on the Intel part, which may reduce memory latency for per-core data access. Its unreleased status and December 31, 2025 release date place it as a future product, so current deployment is not possible according to the database.

The data indicates a clean split: the Intel Core 7 251E is for users who need maximum core count, high frequency, and desktop expandability. The NVIDIA RTX Spark is for users who need lower power, higher memory bandwidth, and a compact mobile design. Each processor wins in its intended environment, and neither dominates across all metrics.