Intel Core 7 253PTE vs Intel Core Ultra X9 378H Comparison

The Verdict

The benchmark data presents a clear hierarchy between these two processors. The Intel Core Ultra X9 378H wins 16 of the 17 recorded head-to-head comparisons, with a decisive overall performance advantage. Its average benchmark score of 47468 places it in the 89th percentile of all CPUs, while the Intel Core 7 253PTE averages 34962 and sits in the 84th percentile. The Core Ultra X9 378H is the stronger processor in nearly every measured workload, and its nearest rivals include the AMD Ryzen 9 PRO 5945 (0.1% behind) and the Intel Core i7-13700KF (0.3% behind), which positions it among high-end desktop-class parts despite its mobile designation.

The Intel Core 7 253PTE is not without merit. It wins the PassMark integer math test by a substantial margin and holds its own against comparable desktop and mobile processors, sitting within 0.2% of the Intel Xeon 6349P and AMD Ryzen 5 150. For workloads dominated by integer arithmetic, the Core 7 253PTE is the better choice. For everything else in the recorded data, the Core Ultra X9 378H delivers meaningfully higher scores.

Architecture Differences

The two processors come from different Intel generations and are built for different market segments. The Intel Core 7 253PTE is a desktop part based on the Bartlett Lake architecture, manufactured on a 10 nm process node. It uses the Intel Socket 1700 platform. The Intel Core Ultra X9 378H is a mobile processor based on the Panther Lake architecture, specifically Panther Lake-H, manufactured on a 3 nm process node. It uses the Intel BGA 2540 socket.

Core and thread counts diverge significantly. The Core 7 253PTE has 10 cores and 20 threads, meaning it supports simultaneous multithreading. The Core Ultra X9 378H has 16 cores and 16 threads, with no multithreading on any core. Despite fewer threads, the Core Ultra X9 378H still dominates multi-threaded benchmarks, which indicates that its 3 nm process and newer architecture deliver substantially higher per-core throughput.

Clock speeds follow a similar pattern. The Core 7 253PTE has a base clock of 1.80 GHz and a boost clock of 5.40 GHz. The Core Ultra X9 378H has a base clock of 2.00 GHz and a boost clock of 5.00 GHz. The desktop chip has the higher top boost frequency, but the mobile chip has the higher base frequency. The thermal design power figures reflect their intended usage: the Core 7 253PTE is rated at 45 W, while the Core Ultra X9 378H is rated at just 25 W.

Cache configurations are also different. The Core 7 253PTE provides 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 33 MB of shared L3 cache. The Core Ultra X9 378H provides 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, but only 18 MB of shared L3 cache. The larger per-core caches on the Core Ultra X9 378H likely contribute to its single-thread performance advantage.

Memory support differs by platform. The Core 7 253PTE supports DDR4 and DDR5 memory in a dual-channel configuration, achieving 89.6 GB/s of memory bandwidth, and it supports ECC memory. The Core Ultra X9 378H supports only LPDDR5X memory in a dual-channel configuration, achieving 153.6 GB/s of memory bandwidth, and it does not support ECC memory. The mobile chip has substantially higher memory bandwidth.

PCIe connectivity also differs. The Core 7 253PTE provides Gen 5 with 16 lanes from the CPU. The Core Ultra X9 378H provides Gen 5 with only 4 lanes from the CPU, reflecting its mobile focus. Integrated graphics differ as well: the Core 7 253PTE uses UHD Graphics 730, while the Core Ultra X9 378H uses the Arc B390.

Head-to-Head Benchmarks

The Core Ultra X9 378H wins every Cinebench test in the recorded data. In Cinebench R15 multi-core, it scores 3281 against 2144 for the Core 7 253PTE, a 34.7% advantage. The single-core R15 result shows 462 against 302, a 34.6% lead. Cinebench R20 multi-core shows 13672 against 8935, again 34.6% ahead. The single-core R20 result is 1929 versus 1261, also 34.6% ahead. Cinebench R23 multi-core shows 32553 against 21276, a 34.6% margin. The single-core R23 result is 4595 versus 3003, with the same 34.6% gap. The consistency of the 34.6% delta across all Cinebench versions and both single- and multi-threaded runs indicates a uniform architectural advantage rather than a workload-specific effect.

The PassMark suite tells a similar story, with one notable exception. In integer math, the Core 7 253PTE wins decisively: 119552 against 92603, a 29.1% advantage. This is the only head-to-head test the desktop chip wins.

Every other PassMark test favors the Core Ultra X9 378H. Data compression shows 386591 versus 275828, a 28.7% lead. Data encryption shows 29840 versus 15500, a 48.1% lead. Extended instructions show 31315 versus 17099, a 45.4% lead. Prime number finding shows 357 versus 82, a massive 77% lead. Floating point math shows 114500 versus 67209, a 41.3% lead. The multithread test shows 38298 versus 25031, a 34.6% lead. Physics shows 3404 versus 1318, a 61.3% lead. Random string sorting shows 44648 versus 28227, a 36.8% lead. Single-thread tests show 4453 versus 3794, a 14.8% lead.

The single-thread gap of 14.8% is the smallest margin in the Core Ultra X9 378H's favor, while the prime number test shows its largest advantage. The integer math win for the Core 7 253PTE stands out as the only counter-example in the entire dataset.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core Ultra X9 378H has an average benchmark score of 47468, compared to 34962 for the Intel Core 7 253PTE. The Core Ultra X9 378H also ranks higher in the percentile standings, at 89 versus 84.

Q: How do the core and thread counts compare?

A: The Intel Core 7 253PTE has 10 cores and 20 threads. The Intel Core Ultra X9 378H has 16 cores and 16 threads. The Core Ultra X9 378H has more physical cores, while the Core 7 253PTE supports more threads.

Q: Which processor has the higher boost clock?

A: The Intel Core 7 253PTE has a boost clock of 5.40 GHz, which is higher than the 5.00 GHz boost clock of the Intel Core Ultra X9 378H. Despite the lower boost clock, the Core Ultra X9 378H wins the single-thread benchmarks.

Q: What memory types does each processor support?

A: The Intel Core 7 253PTE supports DDR4 and DDR5 memory with a bandwidth of 89.6 GB/s. The Intel Core Ultra X9 378H supports LPDDR5X memory with a bandwidth of 153.6 GB/s. Only the Core 7 253PTE supports ECC memory.

Q: In which benchmark does the Intel Core 7 253PTE win?

A: The Intel Core 7 253PTE wins the PassMark integer math test with a score of 119552, compared to 92603 for the Intel Core Ultra X9 378H, a 29.1% advantage.

Q: How do the nearest rivals compare for each processor?

A: The Intel Core 7 253PTE is within 0.2% of the Intel Xeon 6349P and AMD Ryzen 5 150, and within 0.1% of the Intel Core i7-13800H and Intel Core i9-12900HX. The Intel Core Ultra X9 378H is within 0.1% of the AMD Ryzen 9 PRO 5945, 0.3% of the Intel Core i7-13700KF, 0.5% of the Intel Core Ultra 7 265T, and 0.6% of the Intel Core i9-12900F.

Where Each One Wins

The Intel Core Ultra X9 378H wins across the broad majority of workload categories. In rendering and CPU stress tests, every Cinebench result favors it by roughly 34.6%, covering both single-core and multi-core scenarios. In the PassMark suite, it wins data compression, data encryption, extended instructions, prime number finding, floating point math, multithread, physics, random string sorting, and single-thread tests. Its largest wins are in prime number finding (77% ahead), physics (61.3% ahead), and data encryption (48.1% ahead).

The Intel Core 7 253PTE claims only the integer math test, where it leads by 29.1%. This indicates that for integer-heavy arithmetic workloads, the desktop chip's architecture, possibly combined with its higher boost clock of 5.40 GHz, delivers a specific advantage that the Core Ultra X9 378H cannot match.

The platform differences reinforce the use-case split. The Core 7 253PTE is a desktop processor on Intel Socket 1700, with 16 PCIe Gen 5 lanes, DDR4 and DDR5 support, and ECC memory. The Core Ultra X9 378H is a mobile processor on Intel BGA 2540, with only 4 PCIe Gen 5 lanes, LPDDR5X support, and no ECC. The desktop chip has the larger shared L3 cache at 33 MB, while the mobile chip has larger per-core L1 and L2 caches.

The data shows that the Core Ultra X9 378H is the higher-performing processor in almost every measurable way, despite its lower 25 W TDP and mobile socket. Its 3 nm process node and Panther Lake architecture produce consistently higher scores across rendering, encryption, compression, floating point, and physics workloads. The Core 7 253PTE remains relevant specifically for integer math tasks and for users who require the desktop platform's 16 PCIe Gen 5 lanes, ECC memory support, and DDR4 compatibility.