Intel Core 5 120HL vs Intel Core Ultra 7 356H Comparison

Intel Core 5 120HL and Intel Core Ultra 7 356H occupy different corners of the processor landscape, and the recorded data shows a clear split in their intended use cases. The Core 5 120HL is a desktop part with a 45 W thermal design power, built on the Raptor Lake architecture, and targets systems where sustained multi-threaded workloads and upgradeable sockets matter. The Core Ultra 7 356H is a mobile processor from the Panther Lake family, rated at 25 W, with a smaller physical footprint via BGA 2540, and the benchmark scores indicate it delivers significantly higher raw performance per watt. The database records 17 benchmark results for the Ultra 7 356H, while the Core 5 120HL has no recorded benchmark scores. That absence shapes the analysis: the available data allows a detailed profile of the Ultra 7, while the Core 5 must be assessed through its specification sheet and architectural position.

Where Each One Wins

The Core Ultra 7 356H wins every benchmark category present in the database, though the Core 5 120HL has no direct scores to compare. The Ultra 7’s benchmark portfolio covers Cinebench R15, R20, and R23, plus PassMark’s integer math, floating point math, data compression, encryption, extended instructions, prime number searches, random string sorting, physics, single-thread, and multithread tests. Across all of these, the Ultra 7 produces scores that place it at the 87th percentile of all CPUs, with an average benchmark score of 41215. The nearest rivals in the database are the AMD Ryzen AI 5 PRO 440 at 41208 (a 0% delta), the Intel Core Ultra 7 366H at 41263 (a -0.1% delta), the AMD Ryzen 9 5900X at 41376 (a -0.4% delta), and the Intel Core Ultra X7 358H at 40967 (a 0.6% delta). This grouping shows the Ultra 7 356H sits in a tight performance cluster, with no rival exceeding it by more than 0.6% or falling behind by more than 0.4%.

For the Core 5 120HL, the lack of benchmark data means the database cannot confirm any performance wins. Its 12 cores and 16 threads, combined with a 2.60 GHz base clock and 4.70 GHz boost clock, suggest capable multi-threaded throughput for desktop workloads, but no measured scores exist to validate that. The Ultra 7 356H, by contrast, uses 16 cores and 16 threads (no hyper-threading distinction in the recorded data), a lower 1.90 GHz base clock but the same 4.70 GHz boost, and its measured results show strong single-thread performance at 4072 in PassMark’s single-thread test and 2040 in Cinebench R23 single-core. The wins, therefore, belong entirely to the Ultra 7 in the recorded data, but the Core 5’s desktop socket and higher TDP may appeal to systems where sustained power delivery is prioritized over efficiency.

Architecture Differences

The two processors diverge significantly at the architectural level. The Core 5 120HL uses Raptor Lake, specifically the Raptor Lake-PS variant, fabricated on Intel’s 10 nm process. The Core Ultra 7 356H uses Panther Lake, built on a 3 nm process. This process difference explains much of the performance and efficiency gap: the 3 nm node allows the Ultra 7 to pack 16 cores with a 25 W TDP while still reaching 4.70 GHz boost clocks, whereas the 10 nm node on the Core 5 requires 45 W for its 12-core configuration. The foundry for both is Intel, but the manufacturing generations are distinct. The Core 5’s codename is Raptor Lake-PS, and its generation is listed as "Core 5 (Raptor Lake-PS)"; the Ultra 7’s codename is Panther Lake, with a generation of "Ultra 7 (Panther Lake-H)". The "H" suffix in the Ultra 7’s generation indicates a high-performance mobile variant, aligning with its BGA 2540 socket and mobile market segment.

Cache hierarchies differ as well. The Core 5 120HL has 80 KB of L1 cache per core, 2 MB of L2 per core, and 18 MB of shared L3 cache. The Core Ultra 7 356H raises L1 to 192 KB per core and L2 to 2.5 MB per core, while keeping the same 18 MB shared L3. This larger per-core cache on the Ultra 7 likely contributes to its higher single-thread scores, as more data can reside closer to the execution units. The Core 5’s smaller cache per core, combined with fewer cores, suggests a design optimized for lower latency on simpler workloads rather than the Ultra 7’s broader cache footprint. The process node difference also affects transistor density and power leakage, though the database does not list transistor counts or die sizes for either part.

Memory support diverges. The Core 5 120HL supports DDR4 and DDR5 across a dual-channel bus, giving builders flexibility with older or newer memory. The Core Ultra 7 356H supports DDR5 and LPDDR5X, also dual-channel, with a recorded memory bandwidth of 115.2 GB/s. The Ultra 7’s bandwidth figure is explicit in the database, while the Core 5 has no bandwidth number listed. This suggests the Ultra 7 targets memory-intensive mobile workloads where high bandwidth matters, such as content creation or data processing. The Core 5’s DDR4 compatibility is notable for desktop users with existing memory modules, but the Ultra 7’s narrower, faster memory support aligns with its newer platform.

PCIe capabilities also differ. The Core 5 120HL provides PCIe Gen 4 with 8 lanes (CPU only), while the Core Ultra 7 356H provides PCIe Gen 5 with 12 lanes (CPU only). The Ultra 7’s additional lanes and newer generation enable faster connectivity for GPUs or NVMe storage, though the mobile form factor limits expansion options. The Core 5’s Gen 4 lanes are sufficient for a desktop mid-range build, but the Ultra 7’s Gen 5 interface is a clear technological advantage. Integrated graphics differ too: the Core 5 uses Iris Xe Graphics with 80 execution units, while the Ultra 7 uses Intel Xe3 Graphics, a newer architecture without a listed EU count. The Ultra 7’s graphics are likely more capable given the architectural generation, but no benchmark data exists for either iGPU.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between the Core 5 120HL and the Core Ultra 7 356H, so the analysis relies on the Ultra 7’s standalone scores. In Cinebench R15, the Ultra 7 scores 3055 in multicore and 303 in single-core. In Cinebench R20, it scores 12153 multicore and 1715 single-core. In Cinebench R23, the multicore score is 18395 and the single-core score is 2040. These numbers place the Ultra 7 well above typical laptop processors, and the single-core results in particular show a strong per-thread capability. The PassMark suite reinforces this: integer math scores 83111, floating point math scores 103128, data compression scores 336177, data encryption scores 26345, extended instructions score 27898, find prime numbers scores 327, random string sorting scores 40990, physics scores 2895, multithread scores 33978, and single-thread scores 4072. The single-thread PassMark score of 4072 is repeated in the database as both "passmark_single_thread" and "passmark_singlethread", confirming consistency.

Because the Core 5 120HL has no benchmark scores, the database cannot quantify a delta between the two. The Ultra 7’s average benchmark score of 41215 and its 87th percentile ranking indicate it outperforms the vast majority of CPUs in the database. The Core 5, with its 50th percentile ranking, sits at the median of all CPUs, but that percentile is likely based on specifications or older data, not direct measurements. The Ultra 7’s nearest rival deltas are all within 0.6%, meaning the performance differences among these four processors are negligible in practice. The Ryzen 9 5900X, a desktop flagship from AMD, is only 0.4% ahead of the Ultra 7, which is remarkable for a 25 W mobile chip. The Ultra 7 366H is 0.1% ahead, the Ryzen AI 5 PRO 440 is exactly even, and the Ultra X7 358H is 0.6% behind. These margins are well within measurement noise, suggesting the Ultra 7 356H delivers desktop-class performance in a mobile envelope.

Specification Differences

The following fields differ between the two processors, based solely on the recorded data:

• Cores: 12 (Core 5) vs 16 (Ultra 7)
• Threads: 16 (both, but the Core 5 has 4 extra threads over cores, while the Ultra 7 has equal cores and threads)
• Base Clock: 2.60 GHz (Core 5) vs 1.90 GHz (Ultra 7)
• Boost Clock: 4.70 GHz (both)
• TDP: 45 W (Core 5) vs 25 W (Ultra 7)
• Socket: Intel Socket 1700 (Core 5) vs Intel BGA 2540 (Ultra 7)
• Architecture: Raptor Lake (Core 5) vs Panther Lake (Ultra 7)
• Process Node: 10 nm (Core 5) vs 3 nm (Ultra 7)
• L1 Cache: 80 KB per core (Core 5) vs 192 KB per core (Ultra 7)
• L2 Cache: 2 MB per core (Core 5) vs 2.5 MB per core (Ultra 7)
• Memory Support: DDR4, DDR5 (Core 5) vs DDR5, LPDDR5X (Ultra 7)
• Memory Bandwidth: not listed (Core 5) vs 115.2 GB/s (Ultra 7)
• PCIe: Gen 4, 8 lanes (Core 5) vs Gen 5, 12 lanes (Ultra 7)
• Integrated Graphics: Iris Xe Graphics 80EU (Core 5) vs Intel Xe3 Graphics (Ultra 7)
• Market Segment: Desktop (Core 5) vs Mobile (Ultra 7)
• Release Date: 2024-04-07 (Core 5) vs 2026-01-04 (Ultra 7)
• Launch MSRP: $279 (Core 5) vs not listed (Ultra 7)
• Part Number: SRPFR (Core 5) vs SA4RGQ9EU (Ultra 7)

Both processors have 18 MB shared L3 cache, dual-channel memory buses, no ECC support, no unlocked multiplier, and are produced by Intel. The Core 5’s higher base clock and TDP suggest it prioritizes consistent frequency under load, while the Ultra 7’s lower base clock is compensated by a much more efficient process node and higher boost ceiling.

FAQ

Q: Why does the Core Ultra 7 356H have more cores but the same thread count as the Core 5 120HL?

A: The Ultra 7 has 16 cores and 16 threads, meaning each core handles one thread. The Core 5 has 12 cores and 16 threads, indicating 4 cores support an extra thread via simultaneous multithreading. The database does not specify which cores are affected on the Core 5.

Q: What is the performance percentile difference between the two processors?

A: The Core Ultra 7 356H sits at the 87th percentile of all CPUs, while the Core 5 120HL sits at the 50th percentile. This places the Ultra 7 well above the median, while the Core 5 is exactly at the midpoint.

Q: How does the Ultra 7 356H compare to its nearest rivals?

A: The Ultra 7’s average benchmark score is 41215. The AMD Ryzen AI 5 PRO 440 scores 41208 (0% delta), the Intel Core Ultra 7 366H scores 41263 (-0.1% delta), the AMD Ryzen 9 5900X scores 41376 (-0.4% delta), and the Intel Core Ultra X7 358H scores 40967 (0.6% delta). All differences are under 1%.

Q: Which processor has a higher boost clock?

A: Both processors have a boost clock of 4.70 GHz. The base clocks differ, with the Core 5 at 2.60 GHz and the Ultra 7 at 1.90 GHz.

Q: What memory types does each support?

A: The Core 5 120HL supports DDR4 and DDR5. The Core Ultra 7 356H supports DDR5 and LPDDR5X. Both use a dual-channel memory bus, but only the Ultra 7 has a recorded memory bandwidth of 115.2 GB/s.

Q: Are both processors unlocked for overclocking?

A: No. Both the Core 5 120HL and the Core Ultra 7 356H have a multiplierUnlocked value of false, indicating neither supports unlocked multiplier adjustments.

The Verdict

The data directs a clear choice based on use case. The Core Ultra 7 356H is the superior processor in every measured dimension, with 16 cores, a 3 nm process, larger caches, PCIe Gen 5, and benchmark scores that place it at the 87th percentile. Its 25 W TDP makes it suitable for mobile systems where efficiency and performance must coexist, and its nearest rivals are all within 0.6% in average score, confirming it competes at a high level. The Core 5 120HL, with no benchmark scores, cannot be validated for performance, but its 45 W TDP, 12 cores, and 10 nm process indicate a desktop-focused part that may serve well in systems requiring a socketed CPU with DDR4 compatibility. The Core 5’s launch MSRP of $279 is the only price data available, but the database does not list one for the Ultra 7. For anyone choosing between these two, the Ultra 7 356H delivers measurable performance and efficiency that the Core 5 cannot match based on recorded data. The Core 5’s advantages are limited to its desktop socket, higher base clock, and older memory support, but these do not translate into any recorded performance wins. The Ultra 7 is the pick for workloads that stress multi-threading, single-thread responsiveness, and power efficiency, while the Core 5 remains a viable option only for desktop builds that prioritize socket flexibility and legacy memory over raw speed.