CPU Comparison
Intel Core 7 160UL
Core i5-10400
PERFORMANCE BENCHMARKS
Analysis: Intel Core 7 160UL vs Intel Core i5-10400
The Intel Core 7 160UL and the Intel Core i5-10400 represent two very different philosophies for desktop computing, separated by four years of architectural evolution. The data shows a fascinating split: the newer Core 7 160UL dominates in raw compute and single-threaded tasks, while the older i5-10400 fights back hard in specialized workloads and memory-heavy operations. With 12 benchmark wins for the Core 7 160UL against 5 for the i5-10400, the overall picture is clear, but the nature of those losses reveals where the older chip still holds an unexpected edge. This analysis breaks down exactly where each processor excels, what the architectural differences mean in practice, and which buyer should choose which, based strictly on the benchmark data provided.
Where Each One Wins
The Core 7 160UL is the clear winner in general-purpose processing. It takes all six Cinebench tests (R15, R20, R23 in both single and multi-core), with margins consistently around 12.9% in multi-core and 12.7-12.9% in single-core. This is a sweeping victory in the most recognized CPU benchmark suite. It also wins decisively in integer math (13.9% ahead), physics simulation (22.4% ahead), and single-thread performance (32.5% ahead as measured by PassMark). Data encryption is another strong point, with the 160UL scoring 75.2% higher than the i5-10400. For anyone running typical productivity software, compilers, or everyday applications that rely on integer arithmetic and single-core responsiveness, the 160UL is the unambiguous choice.
The i5-10400, however, carves out a niche in specific memory and data manipulation tasks. Its most dramatic victory is in data compression, where it scores 187,207 versus the 160UL's 108,953, a staggering 41.8% advantage. Random string sorting shows a similar pattern, with the i5-10400 leading by 49%. Extended instruction workloads also favor the older chip by 53.3%. These are tasks that often benefit from higher sustained memory bandwidth and specific instruction set optimizations. The i5-10400 also edges out a narrow win in floating-point math (1.6% ahead) and a more substantial one in the PassMark multithread test (8% ahead). The multithread result is particularly interesting because the i5-10400 loses all three Cinebench multi-core tests yet wins PassMark's multithread suite, suggesting the workloads are measuring different aspects of parallel performance.
Architecture Differences
The fundamental split comes down to process node and core configuration. The Core 7 160UL uses Intel's 10 nm process with a Raptor Lake architecture (Raptor Lake-PS codename), while the i5-10400 is built on the older 14 nm process with Comet Lake architecture. This node advantage translates directly into efficiency and clock speed capabilities. The 160UL has 10 cores and 12 threads, compared to the i5-10400's 6 cores and 12 threads. This core count difference explains why the 160UL wins multi-core Cinebench despite the i5-10400's higher base clock of 2.90 GHz versus 1.80 GHz. The 160UL compensates with a much higher boost clock of 5.20 GHz versus 4.30 GHz, which drives its 32.5% single-thread advantage.
Cache hierarchies also differ significantly. The 160UL has 80 KB of L1 cache per core and 1.25 MB of L2 per core, while the i5-10400 has 64 KB L1 and 256 KB L2 per core. Both share 12 MB of L3 cache. The larger per-core L2 on the 160UL likely contributes to its superior integer math and physics scores. Memory support is another differentiator: the 160UL supports both DDR4 and DDR5, while the i5-10400 is limited to DDR4. The i5-10400 lists a specific memory bandwidth of 42.7 GB/s, which may explain its wins in data compression and random string sorting, these workloads are notoriously memory-bandwidth sensitive. The 160UL's PCIe implementation is Gen 4 with 8 lanes, while the i5-10400 uses Gen 3 with 16 lanes, a trade-off between bandwidth per lane and total lane count.
Integrated graphics differ too, with the 160UL featuring Iris Xe Graphics with 96 execution units versus the i5-10400's UHD Graphics 630. The 160UL also draws significantly less power, with a 15W TDP versus 65W for the i5-10400, making it a far more efficient part for desktop systems where thermals and power draw matter.
The Verdict
The data strongly favors the Core 7 160UL for most users. It wins 12 of 17 head-to-head benchmarks, including every Cinebench test, and its 32.5% single-thread advantage makes it the better choice for everyday responsiveness, web browsing, office work, and any application that's not heavily optimized for multi-core parallelism. The 75.2% encryption win and 47.1% prime number finding advantage suggest it's also superior for security-related workloads and mathematical computations. The 160UL's 69th percentile ranking versus the i5-10400's 68th percentile confirms its slight overall edge, and its average benchmark score of 14,232 versus 14,037 puts it roughly on par with the AMD Ryzen 3 7320C and ahead of the Intel Core i5-10400F.
The i5-10400 is the pick only for very specific use cases. If your primary workload is data compression, random string sorting, or heavy use of extended instruction sets, the 41.8%, 49%, and 53.3% respective wins are impossible to ignore. The 8% PassMark multithread victory also suggests it might handle certain parallel throughput tasks better, but this is contradicted by its losses in all Cinebench multi-core tests, making it a narrow and workload-specific advantage. For general consumers, the 160UL's combination of higher core count, superior single-thread speed, modern process node, and much lower power draw makes it the logical recommendation. The i5-10400 is a niche performer that excels in memory-bound data manipulation, but it's the wrong choice for anything else.
FAQ
Q: Which processor has better single-core performance?
A: The Intel Core 7 160UL wins by a wide margin. In PassMark single-thread tests, it scores 3,391 versus the i5-10400's 2,560, a 32.5% advantage. Cinebench R23 single-core also favors the 160UL at 1,325 versus 1,174, a 12.9% lead.
Q: Is the Core i5-10400 better in any benchmark?
A: Yes, it wins 5 of 17 head-to-head comparisons. Its biggest wins are in data compression (41.8% ahead), extended instructions (53.3% ahead), and random string sorting (49% ahead). It also edges out the 160UL in floating-point math by 1.6% and PassMark multithread by 8%.
Q: How do their core counts compare?
A: The Core 7 160UL has 10 cores and 12 threads, while the Core i5-10400 has 6 cores and 12 threads. Both support 12 threads, but the 160UL does so with more physical cores, which contributes to its multi-core Cinebench wins.
Q: Which CPU is more power-efficient?
A: The Core 7 160UL has a 15W TDP compared to the i5-10400's 65W TDP. This is a major difference, with the 160UL using significantly less power while still delivering higher performance in most benchmarks.
Q: What memory types does each support?
A: The Core 7 160UL supports both DDR4 and DDR5, while the Core i5-10400 supports only DDR4. Both use a dual-channel memory bus, but the i5-10400 has a listed memory bandwidth of 42.7 GB/s.
Q: How do their overall benchmark scores compare?
A: The Core 7 160UL has an average benchmark score of 14,232 versus the i5-10400's 14,037. The 160UL ranks in the 69th percentile of all CPUs, while the i5-10400 ranks in the 68th percentile.
Head-to-Head Benchmarks
The Core 7 160UL's most dominant victory is in data encryption, where it scores 7,146 against the i5-10400's 4,078, a 75.2% improvement. This is a massive gap that speaks to the newer architecture's superior cryptographic instruction handling. Single-thread performance is the second-largest win, with the 160UL at 3,391 versus 2,560, a 32.5% lead that manifests in every single-core Cinebench test as well. The 160UL also shows a 47.1% advantage in finding prime numbers (50 versus 34), which reflects better integer and branch prediction capabilities. Physics simulation favors the 160UL by 22.4% (819 versus 669), and integer math by 13.9% (47,515 versus 41,715). All six Cinebench tests show the 160UL ahead by roughly 12.7-12.9%, indicating a consistent architectural advantage across different rendering workloads.
The i5-10400's largest victory is in extended instructions, where it scores 12,501 against the 160UL's 5,832, a 53.3% lead. This suggests the Comet Lake architecture has better optimization for certain SIMD or specialized instruction sets. Random string sorting shows a 49% advantage (23,206 versus 11,843), and data compression a 41.8% lead (187,207 versus 108,953). These three wins together paint a picture of a CPU that excels at memory-intensive data manipulation tasks. The i5-10400 also wins PassMark multithread by 8% (12,006 versus 11,043) and floating-point math by 1.6% (26,080 versus 25,670), though these are narrower margins. The floating-point result is surprising given the 160UL's wins in integer math and physics, suggesting the i5-10400 has a specific strength in floating-point throughput that the newer chip lacks.
Specification Differences
The two processors differ across nearly every major specification category. The Core 7 160UL has 10 cores and 12 threads, while the Core i5-10400 has 6 cores and 12 threads. Base clocks are 1.80 GHz for the 160UL and 2.90 GHz for the i5-10400, but boost clocks flip the advantage to the 160UL at 5.20 GHz versus 4.30 GHz. TDP is dramatically different: 15W for the 160UL versus 65W for the i5-10400. The 160UL uses the Intel Socket 1700 with Raptor Lake architecture on a 10 nm process, while the i5-10400 uses Intel Socket 1200 with Comet Lake on a 14 nm process.
Cache configurations differ notably: the 160UL has 80 KB of L1 cache per core and 1.25 MB of L2 per core, while the i5-10400 has 64 KB L1 and 256 KB L2 per core. Both share 12 MB of L3 cache. Memory support separates them further, with the 160UL accepting both DDR4 and DDR5 while the i5-10400 is limited to DDR4 alone. PCIe capabilities differ as well: the 160UL offers Gen 4 with 8 lanes, while the i5-10400 provides Gen 3 with 16 lanes. Integrated graphics are also different: the 160UL has Iris Xe Graphics with 96 execution units, while the i5-10400 has UHD Graphics 630. Release dates show the 160UL launched in April 2024, while the i5-10400 launched in April 2020, a four-year gap that explains the architectural evolution.