Intel Core i7-14701E vs Intel Core Ultra X9 388H Comparison

Head-to-Head Benchmarks

The Intel Core Ultra X9 388H dominates the head-to-head comparison, winning 12 of the 17 recorded benchmarks against the Intel Core i7-14701E. The single most decisive victory comes in PassMark data encryption, where the Ultra X9 388H scores 28490 versus 14862 for the i7-14701E, a 47.8% advantage. This pattern of large multicore and throughput wins recurs across nearly every workload category.

In Cinebench R20 multicore, the Ultra X9 388H posts 13101 against 9321, a 28.9% lead. PassMark floating point math shows an even wider gap: 112550 versus 61873, which translates to a 45% advantage for the mobile processor. The Core Ultra X9 388H also excels in prime number finding, scoring 358 versus 176, a 50.8% margin, and in extended instructions with 29943 versus 18528, a 38.1% lead. Data compression favors the Ultra X9 388H at 361763 versus 282939 (21.8% ahead), random string sorting goes its way at 44010 versus 29158 (33.7% ahead), and multithread performance shows 36811 versus 26112 (29.1% ahead). Physics scores follow suit: 3226 versus 2399, a 25.6% win. Integer math is closer but still favors the Ultra X9 388H, 90882 versus 81325, a 10.5% margin.

The i7-14701E wins five benchmarks, and its victories are concentrated in single-threaded and specific Cinebench workloads. The largest win is Cinebench R23 single-core, where the i7-14701E scores 3133 versus 2200.5, a 42.4% advantage. Cinebench R23 multicore also goes to the i7-14701E at 22195 versus 18911, a 17.4% margin. Cinebench R15 single-core is a narrow win at 315 versus 309.5 (1.8% ahead), and PassMark single-thread shows 4305 versus 4280 (0.6% ahead). The Cinebench R20 single-core result is the only single-thread test that does not favor the i7-14701E: the Ultra X9 388H wins 1849 versus 1315, a 28.9% margin.

Overall average benchmark scores reflect this split. The Ultra X9 388H carries an average benchmark score of 44466, placing it in the 88th percentile of all CPUs. The i7-14701E averages 33206, sitting in the 83rd percentile. The nearest rivals for the Ultra X9 388H include the AMD Ryzen 5 7500X3D (average score 44573, delta 0.2% below), the Intel Core i9-13950HX (44342, 0.3% above), and the AMD Ryzen AI Max 385 (44309, 0.4% above). The i7-14701E sits near the AMD Ryzen 9 PRO 6950H (33201, delta 0%), the AMD Ryzen 5 8645HS (33244, 0.1% below), and the AMD Ryzen 7 7745HX (33091, 0.3% above).

Architecture Differences

The two processors come from different Intel families built for different market segments. The Core i7-14701E belongs to the Core 14th Gen series, uses the Raptor Lake architecture (specifically Raptor Lake-R), and is a desktop part on Intel Socket 1700. The Core Ultra X9 388H belongs to the Core Ultra Series 3, uses the Panther Lake architecture (Panther Lake-H), and is a mobile part on Intel BGA 2540.

The process nodes differ substantially. The i7-14701E is built on a 10 nm process, while the Ultra X9 388H uses a 3 nm process. Both are fabricated by Intel. The die size for the i7-14701E is recorded as 257 mm², while no die size is recorded for the Ultra X9 388H.

Core and thread counts present an interesting contrast. The i7-14701E has 8 cores and 16 threads, while the Ultra X9 388H has 16 cores and 16 threads. This means the Ultra X9 388H offers twice the physical cores but no hyperthreading advantage, since its thread count equals its core count. The i7-14701E doubles its core count through simultaneous multithreading.

Cache layouts differ significantly. The i7-14701E has 80 KB of L1 cache per core, 2 MB of L2 per core, and 33 MB of shared L3 cache. The Ultra X9 388H has 192 KB of L1 per core, 3 MB of L2 per core, but only 18 MB of shared L3. The larger per-core L1 and L2 on the Ultra X9 388H may contribute to its throughput advantages, while the i7-14701E holds a larger pool of shared L3.

Memory support diverges completely. The i7-14701E supports DDR4 and DDR5 in a dual-channel configuration, with ECC memory support enabled. The Ultra X9 388H supports only LPDDR5X in dual-channel, with a recorded memory bandwidth of 153.6 GB/s, and does not support ECC memory. The i7-14701E uses PCIe Gen 5 with 16 lanes (CPU only), while the Ultra X9 388H uses PCIe Gen 5 with 4 lanes (CPU only).

Clock speeds also differ. The i7-14701E has a base clock of 2.60 GHz and a boost clock of 5.40 GHz. The Ultra X9 388H has a base clock of 2.10 GHz and a boost clock of 5.10 GHz. The i7-14701E has the higher boost ceiling, which aligns with its single-core Cinebench R23 victory. The thermal design power is 65 watts for the i7-14701E and 25 watts for the Ultra X9 388H.

Integrated graphics differ as well. The i7-14701E uses UHD Graphics 770, while the Ultra X9 388H uses Arc B390. Both processors are currently active in production. The i7-14701E was released on 2024-06-30, while the Ultra X9 388H was released on 2026-01-04. Neither processor has a recorded launch MSRP in the database, and neither has an unlocked multiplier.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core Ultra X9 388H has an average benchmark score of 44466, compared to 33206 for the Intel Core i7-14701E. The Ultra X9 388H sits in the 88th percentile of all CPUs, while the i7-14701E sits in the 83rd percentile.

Q: Does the i7-14701E win any benchmarks?

A: Yes, the i7-14701E wins 5 of the 17 head-to-head benchmarks. These include Cinebench R23 single-core (3133 versus 2200.5, a 42.4% lead), Cinebench R23 multicore (22195 versus 18911, a 17.4% lead), Cinebench R15 single-core (315 versus 309.5, a 1.8% lead), and PassMark single-thread (4305 versus 4280, a 0.6% lead).

Q: Why does the Ultra X9 388H win so many multicore tests despite having no hyperthreading?

A: The Ultra X9 388H has 16 physical cores versus 8 on the i7-14701E. Even though both processors support 16 threads, the Ultra X9 388H achieves its thread count natively without simultaneous multithreading, which appears to deliver higher throughput in most recorded workloads. Its 3 nm process node and larger per-core L1 cache (192 KB versus 80 KB) and L2 cache (3 MB versus 2 MB) may also contribute.

Q: What memory types does each processor support?

A: The i7-14701E supports DDR4 and DDR5 in dual-channel mode with ECC memory support. The Ultra X9 388H supports only LPDDR5X in dual-channel mode with a recorded memory bandwidth of 153.6 GB/s, and it does not support ECC memory.

Q: Which processor has the higher boost clock?

A: The i7-14701E has a boost clock of 5.40 GHz, while the Ultra X9 388H has a boost clock of 5.10 GHz. The i7-14701E also has a higher base clock at 2.60 GHz versus 2.10 GHz.

Q: What are the socket and market segment differences?

A: The i7-14701E is a desktop processor using Intel Socket 1700, while the Ultra X9 388H is a mobile processor using Intel BGA 2540. The i7-14701E carries a 65 watt TDP, while the Ultra X9 388H carries a 25 watt TDP.

Specification Differences

The two processors differ across nearly every recorded specification field. Core count: 8 cores on the i7-14701E versus 16 cores on the Ultra X9 388H. Thread count is identical at 16, but the i7-14701E achieves it through hyperthreading while the Ultra X9 388H does not. Base clock: 2.60 GHz versus 2.10 GHz. Boost clock: 5.40 GHz versus 5.10 GHz. TDP: 65 watts versus 25 watts. Socket: Intel Socket 1700 versus Intel BGA 2540. Architecture: Raptor Lake versus Panther Lake. Process node: 10 nm versus 3 nm. Die size: 257 mm² for the i7-14701E, no recorded value for the Ultra X9 388H. L1 cache: 80 KB per core versus 192 KB per core. L2 cache: 2 MB per core versus 3 MB per core. L3 cache: 33 MB shared versus 18 MB shared. Memory support: DDR4 and DDR5 versus LPDDR5X only. Memory bandwidth: not recorded for the i7-14701E versus 153.6 GB/s for the Ultra X9 388H. ECC memory: supported on the i7-14701E, not supported on the Ultra X9 388H. PCIe lanes: 16 lanes on the i7-14701E versus 4 lanes on the Ultra X9 388H. Integrated graphics: UHD Graphics 770 versus Arc B390. Release date: 2024-06-30 versus 2026-01-04. Market segment: Desktop versus Mobile.

The Verdict

The benchmark data supports a clear conclusion: the Intel Core Ultra X9 388H is the stronger overall processor in the recorded measurements. It wins 12 of 17 head-to-head tests, holds a higher average benchmark score (44466 versus 33206), and ranks in a higher percentile (88 versus 83). Its wins are often decisive, with margins exceeding 40% in data encryption and prime number finding, and exceeding 30% in extended instructions, random string sorting, and floating point math.

The Intel Core i7-14701E retains specific advantages that matter in particular workloads. Its Cinebench R23 single-core score of 3133 is 42.4% higher than the Ultra X9 388H, and its Cinebench R23 multicore score of 22195 is 17.4% higher. These are not trivial results; they indicate that in certain rendering and single-threaded tasks, the i7-14701E delivers measurably better performance. However, the overall trend across the broader PassMark suite favors the Ultra X9 388H, which leads in integer math, floating point math, encryption, compression, and multithread tests.

The i7-14701E also offers platform advantages that the Ultra X9 388H does not: DDR4 and DDR5 memory support, ECC memory capability, 16 PCIe Gen 5 lanes, and a larger 33 MB shared L3 cache. The Ultra X9 388H counters with a smaller 25 watt TDP, a 3 nm process node, and a mobile form factor on BGA 2540. The choice depends on whether the workload aligns with the i7-14701E's single-thread and R23 strengths or with the Ultra X9 388H's broad multithread and throughput wins.

Where Each One Wins

The Intel Core Ultra X9 388H is the pick for workloads that stress throughput and parallel execution. PassMark data encryption (28490 versus 14862), floating point math (112550 versus 61873), extended instructions (29943 versus 18528), and prime number finding (358 versus 176) all show substantial leads for the Ultra X9 388H. Data compression (361763 versus 282939), random string sorting (44010 versus 29158), multithread (36811 versus 26112), and physics (3226 versus 2399) reinforce the pattern. Cinebench R15 and R20 multicore also favor the Ultra X9 388H, with R20 showing a 28.9% margin. The mobile processor also wins the only single-thread test where it competes directly: Cinebench R20 single-core at 1849 versus 1315.

The Intel Core i7-14701E is the pick for specific single-thread and Cinebench R23 workloads. Its Cinebench R23 single-core result is dominant at 3133 versus 2200.5, a 42.4% lead. Its Cinebench R23 multicore result at 22195 versus 18911 is also a clear win, suggesting that the Cinebench R23 test methodology favors the i7-14701E's architecture and cache layout. PassMark single-thread is effectively a tie in favor of the i7-14701E at 4305 versus 4280, and Cinebench R15 single-core is a narrow win at 315 versus 309.5.

For users focused on Cinebench R23 rendering workloads, the i7-14701E delivers the stronger recorded results. For users focused on broader system throughput, encryption, compression, physics, and general multithreaded applications, the Ultra X9 388H is the clear leader in the database measurements. The i7-14701E additionally offers ECC memory support and a desktop socket with 16 PCIe Gen 5 lanes, while the Ultra X9 388H offers a 153.6 GB/s memory bandwidth and a much lower 25 watt TDP.