AMD Ryzen 5 40 vs NVIDIA RTX Spark (MediaTek AHJ11488B) Comparison

The AMD Ryzen 5 40 and the NVIDIA RTX Spark (MediaTek AHJ11488B) represent two very different approaches to mobile computing. The Ryzen 5 40 is an established, shipping processor with a full suite of recorded benchmark results. The RTX Spark is an unreleased part with no benchmark scores in the database. This analysis relies on the recorded data for the Ryzen 5 40 and the specification sheet for the RTX Spark to outline what each component offers.

Head-to-Head Benchmarks

Direct head-to-head benchmark comparisons are not available in the database. The RTX Spark has no recorded benchmark scores, so there is no measured performance data to compare against the Ryzen 5 40. The Ryzen 5 40, however, has a substantial set of benchmark results that establish its performance profile.

The Ryzen 5 40's average benchmark score is 15882, placing it in the 70th percentile of all CPUs in the database. Its nearest rivals show how tightly grouped this performance level is. The AMD EPYC 75F3 scores 15859, a difference of 0.1 percent. The Intel Core Ultra 5 134U scores 15910, which is 0.2 percent ahead. The AMD EPYC 9354P scores 15826, 0.4 percent behind, and the AMD EPYC 9334 scores 15940, 0.4 percent ahead. These deltas are small, indicating the Ryzen 5 40 sits in a crowded performance band.

Looking at specific workloads, the Cinebench results show a clear split between single-thread and multi-thread performance. In Cinebench R23 multi-core, the Ryzen 5 40 scores 4841. Its single-core score in the same test is 1150. The ratio between these two results shows how well the processor scales with multi-threaded workloads. The older Cinebench R15 test shows a similar pattern, with a multi-core score of 790 and a single-core score of 165.5.

PassMark results add more detail. The multi-thread score is 9341, while the single-thread score is 2477. These are the headline numbers. The data compression test scores 141533, which is the highest single score recorded for this processor. Data encryption scores 6646. Extended instructions score 6437. Floating point math scores 15194, while integer math scores 31598, more than double the floating point figure. Random string sorting scores 15124. Physics scores 432, and find prime numbers scores 20.

The gap between integer math and floating point math is notable. Integer math at 31598 versus floating point math at 15194 suggests the processor's execution units handle integer operations with significantly greater throughput. This pattern appears in the data across multiple tests. The single-thread score of 2477 paired with a multi-thread score of 9341 gives a scaling factor of roughly 3.8 times, which is consistent with a 4-core, 8-thread design where the extra threads from simultaneous multithreading provide a partial boost.

Since the RTX Spark has zero recorded benchmarks, the database cannot provide any measured comparison. The wins columns show zero for both sides. Any performance analysis of the RTX Spark must rely entirely on its architectural specifications.

Architecture Differences

The architectural gap between these two processors is substantial. The AMD Ryzen 5 40 uses the Zen 2 architecture with the Mendocino codename. It is built on a 6 nm process node at TSMC. The die size is 100 mm². The RTX Spark uses a different design entirely, with the codename N1X and a generation listed as Spark (GB10). It is built on a 3 nm process node, also at TSMC, with a die size of 208 mm².

The core counts differ sharply. The Ryzen 5 40 has 4 cores and 8 threads. The RTX Spark has 20 cores and 20 threads, meaning it does not use simultaneous multithreading. The thread count equals the core count. This is a fundamental design difference. The Ryzen 5 40 relies on two threads per core to handle multi-threaded workloads, while the RTX Spark scales through raw core count.

Cache hierarchies also diverge. The Ryzen 5 40 has 64 KB of L1 cache per core, 512 KB of L2 cache per core, and 4 MB of shared L3 cache. The 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 RTX Spark has more cache at every level, both per core and shared. The L2 cache difference is particularly large, with the RTX Spark offering four times the L2 cache per core compared to the Ryzen 5 40.

Clock speeds tell a different story. The Ryzen 5 40 has a base clock of 2.80 GHz and a boost clock of 4.30 GHz. The RTX Spark has a base clock of 1.70 GHz and a boost clock of 4.00 GHz. The Ryzen 5 40 has a higher base clock by 1.10 GHz and a higher boost clock by 0.30 GHz. The RTX Spark's lower base clock suggests it may rely on its 20 cores for throughput rather than high per-core frequency.

Memory support is another major divergence. The Ryzen 5 40 supports LPDDR5 memory in a dual-channel configuration, with a memory bandwidth of 88.0 GB/s. The RTX Spark supports LPDDR5X memory in a quad-channel configuration, with a memory bandwidth of 273.1 GB/s. The RTX Spark offers more than three times the memory bandwidth, which is critical for feeding 20 cores.

Power consumption differs significantly. The Ryzen 5 40 has a TDP of 15 watts. The RTX Spark has a TDP of 38 watts. The RTX Spark uses more than double the power budget, which aligns with its larger die, more cores, and higher memory bandwidth.

The process node advantage belongs to the RTX Spark. A 3 nm process versus a 6 nm process allows for greater transistor density and potentially better power efficiency per transistor. However, the RTX Spark's higher TDP indicates that the overall power draw is still larger than the Ryzen 5 40.

The integrated graphics differ as well. The Ryzen 5 40 includes a Radeon 610M GPU. The RTX Spark includes a GB20B "Blackwell" GPU. The RTX Spark's GPU is based on a newer architecture, though no benchmark data is available for either integrated GPU.

Connectivity shows a clear split. The Ryzen 5 40 uses PCIe Gen 3 with 4 lanes (CPU only). The RTX Spark lists PCIe as N/A, suggesting it does not expose standard PCIe lanes from the CPU. This could mean the RTX Spark relies on other interconnect methods or that the design does not include traditional PCIe support.

The production status is a key difference. The Ryzen 5 40 is listed as Active, meaning it is currently in production. The RTX Spark is listed as unreleased, with a release date at the end of 2025. The RTX Spark has a part number of GSE1-675-A1, while the Ryzen 5 40's part number is unknown.

The manufacturer field for the RTX Spark is listed as Unknown, despite the name including NVIDIA and MediaTek. The codename N1X and the part number suggest a co-engineered design, but the database does not assign a single manufacturer.

FAQ

Q: Which processor has more cores?

A: The RTX Spark has 20 cores and 20 threads. The AMD Ryzen 5 40 has 4 cores and 8 threads. The RTX Spark has five times the core count and 2.5 times the thread count.

Q: What is the memory bandwidth difference?

A: The RTX Spark has a memory bandwidth of 273.1 GB/s using LPDDR5X in a quad-channel configuration. The Ryzen 5 40 has 88.0 GB/s using LPDDR5 in a dual-channel configuration. The RTX Spark offers 185.1 GB/s more bandwidth.

Q: How do the clock speeds compare?

A: The Ryzen 5 40 has a base clock of 2.80 GHz and a boost clock of 4.30 GHz. The RTX Spark has a base clock of 1.70 GHz and a boost clock of 4.00 GHz. The Ryzen 5 40 boosts 0.30 GHz higher.

Q: Does the RTX Spark have benchmark scores?

A: No. The RTX Spark has no benchmark scores in the database. Its average benchmark score is zero, and it has no recorded entries for any test. Only the Ryzen 5 40 has benchmark data.

Q: What is the TDP of each processor?

A: The Ryzen 5 40 has a TDP of 15 watts. The RTX Spark has a TDP of 38 watts. The RTX Spark consumes 23 watts more.

Q: Which processor has a smaller process node?

A: The RTX Spark is built on a 3 nm process node. The Ryzen 5 40 is built on a 6 nm process node. The RTX Spark uses the smaller node.

Specification Differences

The two processors differ in nearly every specification category. The Ryzen 5 40 has 4 cores and 8 threads, while the RTX Spark has 20 cores and 20 threads. The Ryzen 5 40 has a base clock of 2.80 GHz, the RTX Spark has 1.70 GHz. The boost clock is 4.30 GHz for the Ryzen 5 40 and 4.00 GHz for the RTX Spark. TDP is 15 watts versus 38 watts.

The socket field is populated for the Ryzen 5 40 as AMD Socket FT6, while the RTX Spark has no socket listed. The architecture is Zen 2 for the Ryzen 5 40, and null for the RTX Spark. The codename is Mendocino versus N1X. The process node is 6 nm versus 3 nm. The die size is 100 mm² versus 208 mm².

Cache configurations differ at every level. L1 cache is 64 KB per core for the Ryzen 5 40 and 128 KB per core for the RTX Spark. L2 cache is 512 KB per core versus 2 MB per core. L3 cache is 4 MB shared versus 8 MB shared.

Memory support is LPDDR5 for the Ryzen 5 40 and LPDDR5X for the RTX Spark. The memory bus is dual-channel versus quad-channel. Memory bandwidth is 88.0 GB/s versus 273.1 GB/s. PCIe support is Gen 3 with 4 lanes for the Ryzen 5 40, and N/A for the RTX Spark.

Integrated graphics are Radeon 610M for the Ryzen 5 40 and GB20B "Blackwell" for the RTX Spark. Production status is Active versus unreleased. Release dates are September 2025 for the Ryzen 5 40 and December 2025 for the RTX Spark. The RTX Spark has a part number of GSE1-675-A1, while the Ryzen 5 40 does not have one listed.

The manufacturer field is AMD for the Ryzen 5 40 and Unknown for the RTX Spark. Both have ECC memory support listed as false, and neither has an unlocked multiplier.

The Verdict

The recorded data cannot support a direct performance verdict because only one processor has benchmark scores. The Ryzen 5 40 is measured and active. It sits in the 70th percentile of all CPUs with an average benchmark score of 15882. Its 4-core, 8-thread design delivers a multi-thread score of 9341 and a single-thread score of 2477 in PassMark, with Cinebench R23 scores of 4841 multi-core and 1150 single-core.

The RTX Spark is unreleased and unmeasured. Its specification sheet shows a wider design: 20 cores, 273.1 GB/s memory bandwidth, 8 MB L3 cache, and a 3 nm process node. These specifications suggest a processor built for multi-threaded throughput, but the database contains no evidence of its actual performance.

The power envelope is the clearest differentiator. The Ryzen 5 40 uses 15 watts. The RTX Spark uses 38 watts. The Ryzen 5 40 is designed for lower power operation, while the RTX Spark has a larger power budget to feed its additional cores and memory channels.

For anyone relying on measured data, the Ryzen 5 40 is the only option with verified scores. For anyone evaluating future parts, the RTX Spark's specifications indicate a very different class of processor, but its performance remains unknown until benchmarks are recorded.

Where Each One Wins

The Ryzen 5 40 wins in clock speed. Its base clock of 2.80 GHz and boost clock of 4.30 GHz are both higher than the RTX Spark's 1.70 GHz base and 4.00 GHz boost. This suggests an advantage in lightly threaded workloads where single-core frequency matters. Its lower TDP of 15 watts also makes it the more power-efficient choice on paper.

The Ryzen 5 40 wins in production readiness. It is listed as Active, with a release date in September 2025 and a full benchmark suite. The RTX Spark is unreleased, with a December 2025 release date and no recorded measurements.

The RTX Spark wins in core count, with 20 cores versus 4 cores. It wins in thread count, with 20 threads versus 8 threads, though it does not use simultaneous multithreading. It wins in cache capacity at every level, with 128 KB L1 per core versus 64 KB, 2 MB L2 per core versus 512 KB, and 8 MB L3 versus 4 MB.

The RTX Spark wins in memory bandwidth, offering 273.1 GB/s versus 88.0 GB/s. It wins in process node, using 3 nm versus 6 nm. It has a larger die at 208 mm² versus 100 mm², and it supports LPDDR5X memory versus LPDDR5.

The RTX Spark wins in memory channel width, with quad-channel versus dual-channel. Its integrated graphics are based on the GB20B "Blackwell" architecture, while the Ryzen 5 40 uses Radeon 610M, though no graphics benchmarks exist for either.

The benchmark record gives the Ryzen 5 40 a clear edge in verified performance data. The RTX Spark's specification sheet gives it a clear edge in raw resource allocation, but without benchmark scores, that edge remains theoretical. The database shows one shipping, measured processor and one unreleased, unmeasured processor.