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

FAQ

Q: What is the Intel Core 7 251TE?

A: It is a desktop processor from Intel with 24 cores and 32 threads. It is based on the Bartlett Lake architecture, uses a 10 nm process node from Intel's own foundry, and has a base clock of 1.40 GHz with a boost clock of 5.40 GHz. It carries a launch MSRP of $384.

Q: What is the NVIDIA RTX Spark (MediaTek AHJ11488B)?

A: It is an unreleased mobile processor with the codename N1X and belongs to the Spark (GB10) generation. It has 20 cores and 20 threads, a base clock of 1.70 GHz, and a boost clock of 4.00 GHz. It is manufactured by TSMC on a 3 nm process node.

Q: Which processor has the larger cache?

A: The Intel Core 7 251TE has 80 KB of L1 cache per core, 1.25 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 8 MB of shared L3 cache. The Intel part offers substantially more total L3 cache.

Q: How do the memory subsystems compare?

A: The Intel Core 7 251TE supports DDR4 and DDR5 memory over a dual-channel bus with 89.6 GB/s of bandwidth and ECC support. The NVIDIA RTX Spark uses LPDDR5X memory over a quad-channel bus with 273.1 GB/s of bandwidth and no ECC support. The RTX Spark delivers more than three times the memory bandwidth.

Q: Which processor has a higher performance percentile ranking?

A: The Intel Core 7 251TE ranks in the 88th percentile among all CPUs in the database. The NVIDIA RTX Spark ranks in the 50th percentile, although it currently has no recorded benchmark scores and an average benchmark score of 0.

Q: Does the NVIDIA RTX Spark have any benchmark data?

A: No. The database shows an empty benchmark list for the NVIDIA RTX Spark, no head-to-head benchmark results, and no nearest rivals. Its average benchmark score is 0, so its performance ranking is based on unmeasured or incomplete data.

Architecture Differences

The Intel Core 7 251TE and the NVIDIA RTX Spark (MediaTek AHJ11488B) represent two fundamentally different design philosophies. The Intel part is a desktop processor built on a 10 nm node by Intel, while the NVIDIA part is a mobile processor built on a 3 nm node by TSMC. The process node difference is significant: the RTX Spark uses a much smaller lithography, which typically allows for higher transistor density and lower power consumption per unit of work.

Core counts also diverge sharply. The Intel Core 7 251TE offers 24 cores and 32 threads, indicating support for simultaneous multithreading. The NVIDIA RTX Spark has 20 cores and 20 threads, meaning no multithreading per core. This suggests the Intel part is designed for workloads that scale with thread count, while the RTX Spark relies on raw core count and higher base frequency.

Clock behavior differs as well. The Intel chip starts at 1.40 GHz base but boosts to 5.40 GHz, a very wide frequency range. The RTX Spark starts higher at 1.70 GHz base but only reaches 4.00 GHz boost. The Intel part therefore has a higher maximum frequency, while the RTX Spark has a higher idle or lightly loaded frequency.

Cache hierarchies are structured differently. The Intel Core 7 251TE allocates 80 KB L1 and 1.25 MB L2 per core, with a large 36 MB shared L3. The RTX Spark allocates 128 KB L1 and 2 MB L2 per core, but only 8 MB shared L3. The per-core L1 and L2 caches are larger on the RTX Spark, yet the total L3 pool is much smaller, which could affect workloads with large working sets.

Memory support also separates the two. The Intel part uses DDR4 or DDR5 over a dual-channel bus with 89.6 GB/s bandwidth and ECC capability. The RTX Spark uses LPDDR5X over a quad-channel bus with 273.1 GB/s bandwidth and no ECC. The RTX Spark's memory subsystem is clearly oriented toward bandwidth-hungry mobile tasks, while the Intel part favors capacity and error correction.

The integrated graphics differ: the Intel Core 7 251TE includes UHD Graphics 770, while the RTX Spark includes a GB20B "Blackwell" GPU. The naming suggests the NVIDIA part carries a more advanced graphics architecture, though no benchmark data confirms relative GPU performance.

Socket and platform details also diverge. The Intel Core 7 251TE uses Intel Socket 1700 with Gen 5 PCIe (16 lanes from the CPU). The RTX Spark lists no socket and no PCIe lanes, consistent with a fully integrated mobile package. The Intel part is marked Active in production status, while the RTX Spark is unreleased.

Where Each One Wins

The Intel Core 7 251TE wins on raw multi-threaded throughput potential. With 24 cores, 32 threads, and a 5.40 GHz boost clock, it is built for parallel workloads such as video rendering, software compilation, and scientific simulation. Its large 36 MB L3 cache and 89.6 GB/s memory bandwidth support sustained multi-core loads. The recorded Cinebench R23 multi-core score of 25518 and PassMark multi-thread score of 30022 confirm strong scaling.

The Intel part also wins on single-thread performance. A Cinebench R23 single-core score of 3602 and PassMark single-thread score of 3568 indicate high per-core efficiency, aided by the aggressive boost frequency. For tasks that rely on one or two threads, such as legacy applications or lightly threaded games, the Intel chip has an edge.

The NVIDIA RTX Spark wins on memory bandwidth. Its quad-channel LPDDR5X interface delivers 273.1 GB/s, which is over three times the Intel part's 89.6 GB/s. Workloads that stream large datasets, such as data analytics, AI inference, or high-resolution media processing, would benefit from this bandwidth advantage.

The RTX Spark also wins on power efficiency. Its 38 W TDP is lower than the Intel part's 45 W TDP, and it does so with a smaller 3 nm process node. For mobile or thermally constrained environments, the RTX Spark is the more economical choice in terms of power draw.

The RTX Spark's per-core cache configuration is another point in its favor. Larger L1 (128 KB) and L2 (2 MB) per core could reduce latency for frequently accessed data within each core, potentially improving responsiveness in latency-sensitive tasks.

The Intel part wins on platform flexibility. It supports DDR4 and DDR5, ECC memory, PCIe Gen 5, and a standard desktop socket, making it adaptable to various desktop builds. The RTX Spark, with no socket and no PCIe, is a closed mobile design.

Specification Differences

The two processors differ across nearly every major specification field. The Intel Core 7 251TE has 24 cores and 32 threads, while the NVIDIA RTX Spark has 20 cores and 20 threads. Base clock differs: 1.40 GHz for Intel versus 1.70 GHz for NVIDIA. Boost clock differs: 5.40 GHz for Intel versus 4.00 GHz for NVIDIA.

TDP differs: 45 W for Intel, 38 W for NVIDIA. Process node differs: 10 nm for Intel, 3 nm for NVIDIA. Foundry differs: Intel for the Core 7 251TE, TSMC for the RTX Spark. Die size differs slightly: 215 mm² for Intel, 208 mm² for NVIDIA.

Cache allocation differs in both per-core and shared amounts. L1 is 80 KB per core on Intel versus 128 KB per core on NVIDIA. L2 is 1.25 MB per core on Intel versus 2 MB per core on NVIDIA. L3 is 36 MB shared on Intel versus 8 MB shared on NVIDIA.

Memory support differs: DDR4 and DDR5 for Intel, LPDDR5X for NVIDIA. Memory bus differs: dual-channel for Intel, quad-channel for NVIDIA. Memory bandwidth differs: 89.6 GB/s for Intel, 273.1 GB/s for NVIDIA. ECC support differs: true for Intel, false for NVIDIA.

PCIe differs: Gen 5 with 16 lanes for Intel, N/A for NVIDIA. Integrated graphics differ: UHD Graphics 770 for Intel, GB20B "Blackwell" for NVIDIA. Market segment differs: Desktop for Intel, Mobile for NVIDIA. Production status differs: Active for Intel, unreleased for NVIDIA.

Release dates differ: January 2025 for Intel, December 2025 for NVIDIA. The Intel part has a launch MSRP of $384, while the NVIDIA part has no launch MSRP recorded. Socket differs: Intel Socket 1700 for Intel, none for NVIDIA. Part numbers differ: SRQAXQ5ZG for Intel, GSE1-675-A1 for NVIDIA. Neither processor has an unlocked multiplier.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between the Intel Core 7 251TE and the NVIDIA RTX Spark. The head-to-head benchmark list is empty, and the win counts for both processors are zero. The RTX Spark has no individual benchmark scores recorded at all.

What can be analyzed is the Intel part's performance profile within the database. The Intel Core 7 251TE achieves a Cinebench R23 multi-core score of 25518 and a single-core score of 3602. It scores 10717 in Cinebench R20 multi-core and 1512 in single-core. In Cinebench R15, it scores 2572 multi-core and 362 single-core.

PassMark results for the Intel part are extensive. It scores 334399 in data compression, 22176 in data encryption, 16974 in extended instructions, and 140 in find prime numbers. Floating point math reaches 85607, integer math reaches 125739, and the multi-thread score is 30022. Physics scores 1938, random string sorting scores 39643, and single-thread performance is 3568.

The Intel Core 7 251TE holds an 88th percentile ranking among all CPUs in the database. Its nearest rivals include the Intel Core Ultra 7 265H with an average score of 41621 and a delta of 0.1%, the Intel Core i7-14650HX with 41576 and 0.2%, the Intel Core i7-12850HX with 41779 and -0.3%, and the Intel Core i7-14700T with 41914 and -0.6%. These deltas are all within one percent, indicating the Intel Core 7 251TE sits in a very tight performance cluster.

The NVIDIA RTX Spark, by contrast, has a 50th percentile ranking and an average benchmark score of 0. It has no rivals listed and no recorded results. The data cannot confirm any performance claims for the RTX Spark beyond its specifications.

The lack of direct comparison data is notable. The Intel part has a complete benchmark suite and a verified position among similar processors. The RTX Spark is an unreleased product with no measured performance, so any head-to-head conclusion must rely on architectural inference rather than recorded results.

The Verdict

The data supports a clear split based on measured performance and product maturity. The Intel Core 7 251TE is the only one of the two with actual benchmark results. It ranks in the 88th percentile, with strong multi-core and single-core scores across Cinebench and PassMark tests. Its nearest rivals are all within 0.6% in average score, confirming it is competitively positioned against recent Intel mobile and desktop parts.

The NVIDIA RTX Spark (MediaTek AHJ11488B) cannot be evaluated on performance grounds because no benchmark data exists. It is unreleased, has no average score, no rivals, and no head-to-head results. Its specifications suggest different strengths: higher memory bandwidth, lower power draw, and a smaller process node. These traits may serve mobile workloads well, particularly those sensitive to bandwidth and thermal limits.

For users requiring a desktop processor with proven multi-threaded and single-threaded performance, the Intel Core 7 251TE is the validated choice. Its 24 cores, 32 threads, 5.40 GHz boost clock, and 36 MB L3 cache provide a strong basis for parallel and latency-sensitive tasks. The recorded scores across Cinebench R15, R20, R23, and PassMark confirm its capability.

For users prioritizing bandwidth and efficiency, the RTX Spark presents an intriguing specification sheet: 273.1 GB/s of memory bandwidth, a 38 W TDP, and a 3 nm process. However, the absence of measured results means it remains an unproven quantity. The 50th percentile ranking and zero average score reflect missing data, not demonstrated performance.

The choice depends on whether the user values verifiable results or untested architectural potential. The Intel Core 7 251TE delivers documented, competitive performance in the desktop segment. The RTX Spark offers a forward-looking mobile design, but the database contains no evidence of its execution. Based strictly on recorded data, the Intel part is the only processor with a proven track record.