Intel Core 5 221E vs Intel Core Ultra X7 368H Comparison

The Intel Core Ultra X7 368H and the Intel Core 5 221E represent two distinct design philosophies from the same manufacturer. The former is a mobile-first silicon built on a modern node, while the latter is a desktop-oriented part with a more mature process. The benchmark data reveals a decisive overall victory for the Ultra X7 368H, which claims 13 of the 17 head-to-head comparisons, yet the Core 5 221E demonstrates surprising strength in specific workloads that cannot be ignored. This analysis breaks down the raw scores, architectural implications, and the practical context for each processor’s strengths.

FAQ

Q: Which processor has the higher overall average benchmark score?

A: The Intel Core Ultra X7 368H leads with an average benchmark score of 40518, compared to the Intel Core 5 221E’s 40144. Both processors sit at the 87th percentile of all CPUs, indicating near-parity in overall performance, with the Ultra X7 holding a marginal 0.9% advantage.

Q: How significant is the Ultra X7 368H’s lead in Cinebench multi-core tests?

A: The lead is consistent and substantial. In Cinebench R23 multi-core, the Ultra X7 368H scores 28221 against the Core 5 221E’s 25933, an 8.8% advantage. This same 8.8% delta is mirrored in both Cinebench R15 and R20 multi-core tests, showing a uniform performance gap in heavily threaded CPU rendering workloads.

Q: In which benchmark does the Intel Core 5 221E achieve its largest victory?

A: The Core 5 221E’s biggest win is in the PassMark integer math test, where it scores 117813 compared to the Ultra X7 368H’s 88083. This represents a 25.2% advantage for the Core 5 221E, a massive swing in a purely arithmetic workload.

Q: Are there any benchmarks where the two processors are nearly identical?

A: Yes, the PassMark random string sorting test is extremely close. The Ultra X7 368H scores 38093, while the Core 5 221E scores 37686, a difference of just 1.1%. The data compression test is also close, with the Core 5 221E edging ahead by 3.5%.

Q: What are the core and thread counts for each processor?

A: The Intel Core Ultra X7 368H has 16 cores and 16 threads, while the Intel Core 5 221E has 14 cores and 20 threads. This means the Core 5 221E has fewer physical cores but more threads due to hyper-threading support.

Q: Which processor has the higher boost clock speed?

A: The Intel Core 5 221E has a higher boost clock of 5.20 GHz, compared to the Ultra X7 368H’s 5.00 GHz. The Core 5 221E also has a higher base clock at 2.70 GHz versus the Ultra X7’s 2.00 GHz.

The Verdict

The data paints a clear picture for different use cases. The Intel Core Ultra X7 368H is the superior all-around processor. Its victories span the entire Cinebench suite, indicating stronger sustained multi-core performance crucial for video editing, 3D rendering, and compilation. It further dominates in encryption, extended instructions, physics, and floating-point math, making it the clear choice for scientific computing, cryptography, and simulation workloads. The 33.7% lead in floating-point math and the 40.9% lead in extended instructions are decisive advantages for any developer or researcher using modern, optimized code.

The Intel Core 5 221E, despite losing the overall contest, is not without merit. Its 25.2% victory in integer math and a 3.4% lead in single-threaded PassMark tests suggest it holds a specific niche. For tasks that are highly dependent on integer arithmetic and single-core performance, such as legacy software, specific database operations, or certain game engines that are not well-optimized for multi-threading, the Core 5 221E proves to be the faster part. The Core 5 221E also offers ECC memory support, which is a critical feature for server and workstation reliability that the Ultra X7 368H lacks.

In summary, the Ultra X7 368H is the pick for a high-performance mobile workstation or a compact desktop where raw compute breadth is paramount. The Core 5 221E is the pick for a desktop build where integer-heavy workloads, highest possible single-thread speed, and error-correcting memory are non-negotiable. The choice is not about which CPU is "better" overall, but which one aligns with the specific performance profile of the target application.

Head-to-Head Benchmarks

The head-to-head results show a clear pattern of dominance for the Intel Core Ultra X7 368H. Its most emphatic victory comes in the PassMark find prime numbers test, where it scores 321 against the Core 5 221E’s 173, a staggering 85.5% delta. This is a prime example of the Ultra X7’s architectural efficiency in specific algorithmic loops. The Ultra X7 also demonstrates a massive 40.9% lead in PassMark extended instructions (25669 vs 18216) and a 33.7% lead in floating-point math (105681 vs 79028). These results indicate a vastly superior SIMD and vector processing capability, likely a direct benefit of its newer Panther Lake architecture.

The Ultra X7’s consistency is further shown in its 31.4% advantage in data encryption (25228 vs 19205) and a 28.1% lead in the PassMark physics test (2857 vs 2230). Even in the multi-threaded PassMark test, which should favor the Core 5 221E’s higher thread count, the Ultra X7 still wins by 8% (32956 vs 30510). The Cinebench suite is a complete sweep for the Ultra X7, with an identical 8.8% delta across R15, R20, and R23 multi-core tests, and the same 8.8% delta in the corresponding single-core tests. The single-core Cinebench R15 score is 401 versus 368, and the R20 score is 1673 versus 1537.

The Intel Core 5 221E’s wins, while fewer, are significant. Its 25.2% victory in PassMark integer math (117813 vs 88083) is its most dominant performance. It also manages to win the PassMark single-thread test by 3.4% (4147 vs 4005), showing that its higher boost clock of 5.20 GHz translates to real-world single-core speed in some workloads. Its other win comes in data compression, where it scores 324285 versus 312927, a 3.5% edge. The random string sorting test is a near-tie, with the Ultra X7 winning by just 1.1% (38093 vs 37686).

Specification Differences

The two processors diverge significantly on core specifications. The Intel Core Ultra X7 368H is built on a 3 nm process node, while the Intel Core 5 221E uses a 10 nm node, representing a major generational leap in manufacturing for the mobile part. The Core Ultra X7 368H has 16 cores and 16 threads, whereas the Core 5 221E has 14 cores and 20 threads. The Core 5 221E features a higher base clock of 2.70 GHz and a higher boost clock of 5.20 GHz, compared to the Ultra X7 368H’s 2.00 GHz base and 5.00 GHz boost. The thermal design power (TDP) also differs drastically, with the Ultra X7 368H rated at 25W and the Core 5 221E at 65W.

Cache configurations are distinct. The Ultra X7 368H sports 192 KB of L1 cache per core and 2.5 MB of L2 cache per core, while the Core 5 221E has 80 KB of L1 and 2 MB of L2 per core. The shared L3 cache is larger on the Core 5 221E at 24 MB, compared to the Ultra X7 368H’s 18 MB. Memory support is another key differentiator: the Ultra X7 368H supports only LPDDR5X with a memory bandwidth of 153.6 GB/s, while the Core 5 221E supports both DDR4 and DDR5 with a lower bandwidth of 89.6 GB/s. The Core 5 221E is the only one with ECC memory support. PCIe lanes also differ, with the Ultra X7 368H offering 4 Gen 5 lanes and the Core 5 221E offering 16 Gen 5 lanes. The Ultra X7 368H uses an Intel BGA 2540 socket, while the Core 5 221E uses Intel Socket 1700.

Architecture Differences

The architectural chasm between the two chips is vast. The Intel Core Ultra X7 368H is based on the Panther Lake architecture and is part of the Core Ultra Series 3, representing a modern, integrated design. The Intel Core 5 221E is a Bartlett Lake part, a refresh of a more established desktop architecture. This difference is reflected in the process node, with the Ultra X7 on a 3 nm node versus the Core 5 221E’s 10 nm node, and also in the die size, with the Core 5 221E having a 257 mm² die.

The integrated graphics are a major point of divergence. The Ultra X7 368H features an Arc B390 GPU, while the Core 5 221E is equipped with the more basic UHD Graphics 730. This suggests the Ultra X7 368H has significantly more capable graphics processing for media and light gaming. The memory controller is also a key architectural difference, with the Ultra X7 supporting only the newer LPDDR5X standard, while the Core 5 221E retains compatibility with both DDR4 and DDR5, offering more flexibility for desktop builds.

The core count difference (16 vs 14) is offset by the thread count (16 vs 20), which implies the Core 5 221E uses hyper-threading while the Ultra X7 368H does not. The Ultra X7’s Panther Lake architecture is clearly optimized for power efficiency and high-bandwidth memory, given its 25W TDP and 153.6 GB/s memory bandwidth. The Core 5 221E’s Bartlett Lake architecture is designed for raw desktop compute with a 65W TDP and more PCIe lanes for expansion. These fundamental architectural choices explain the benchmark results, where the Ultra X7 excels in vector and encryption workloads, while the Core 5 221E shows strength in integer-heavy and single-threaded tasks.