Intel Core i3-14100T vs Intel Core Ultra 7 356H Comparison

Head-to-Head Benchmarks

The benchmark database records a decisive performance advantage for the Intel Core Ultra 7 356H across every single measured workload. Out of 17 head-to-head comparisons, the Ultra 7 356H wins all 17. The Intel Core i3-14100T does not claim a single victory in any recorded test.

The largest margin appears in PassMark find prime numbers, where the Ultra 7 356H scores 327 against 56 for the i3-14100T, a difference of 82.9 percent in favor of the mobile processor. This workload stresses raw integer iteration and memory latency, and the gap is substantial. PassMark data encryption shows the second-largest delta at 70.1 percent, with scores of 26345 versus 7881. Encryption tasks rely heavily on parallel throughput and cache bandwidth, areas where the 16-core design holds a clear structural advantage.

Floating point math follows closely. The Ultra 7 356H records 103128 against 31379, a 69.6 percent advantage. Physics simulation shows a 66.4 percent gap, with 2895 versus 973. Extended instruction workloads, which exercise AVX and similar vector paths, deliver 27898 against 10414, a 62.7 percent margin.

Cinebench results paint the same picture but with slightly narrower margins in single-core tests. In Cinebench R23 multi-core, the Ultra 7 356H scores 18395 against 11612, a 36.9 percent lead. The single-core R23 result is closer: 2040 versus 1639, a 19.7 percent gap. Cinebench R20 multi-core shows a 59.9 percent delta (12153 versus 4877), while R20 single-core also lands at 59.9 percent (1715 versus 688). Cinebench R15 multi-core shows 3055 versus 1170, a 61.7 percent difference, and R15 single-core shows 303 versus 165, a 45.5 percent gap.

PassMark multithread scoring gives 33978 to the Ultra 7 356H and 13662 to the i3-14100T, a 59.8 percent margin. Integer math shows 83111 versus 40292, a 51.5 percent difference. Data compression yields 336177 against 152636, a 54.6 percent edge. Random string sorting records 40990 versus 15579, a 62 percent gap. Single-thread PassMark scores are the closest overall: 4072 versus 3498, a 14.1 percent difference.

The average benchmark score in the database confirms the hierarchy. The i3-14100T sits at 17648, while the Ultra 7 356H reaches 41215. The i3-14100T lands in the 71st percentile of all CPUs tracked, while the Ultra 7 356H ranks in the 87th percentile. The nearest rivals for the i3-14100T include the Intel Core i3-13100F at 17653 (0 percent delta), the Intel Core i7-1255U at 17656 (0 percent), the AMD Ryzen 3 8300GE at 17614 (0.2 percent), and the AMD EPYC 9374F at 17693 (-0.3 percent). The Ultra 7 356H sits near the AMD Ryzen AI 5 PRO 440 at 41208 (0 percent), the Intel Core Ultra 7 366H at 41263 (-0.1 percent), the AMD Ryzen 9 5900X at 41376 (-0.4 percent), and the Intel Core Ultra X7 358H at 40967 (0.6 percent).

Where Each One Wins

The data does not support a single workload category where the i3-14100T outperforms the Ultra 7 356H. Every recorded benchmark, from single-thread integer tests to multi-core rendering, favors the Ultra 7 356H. The closest contest is PassMark single-thread, where the Ultra 7 356H leads by only 14.1 percent, suggesting that the i3-14100T's per-core architecture remains competitive for lightly threaded tasks. However, even there, the mobile chip holds the advantage.

For heavily threaded workloads, the Ultra 7 356H's lead expands dramatically. Cinebench R15 multi-core shows a 61.7 percent gap, and PassMark multithread shows 59.8 percent. The 16-core, 16-thread configuration clearly scales better across parallel tasks compared to the 4-core, 8-thread design of the i3-14100T. The Ultra 7 356H also dominates in memory-sensitive tasks like data compression and encryption, where its larger L3 cache and higher memory bandwidth come into play.

The i3-14100T's only practical edge lies in its platform characteristics, not in measured performance. It uses the Intel Socket 1700, a desktop socket with broad motherboard compatibility, and supports DDR4 memory in addition to DDR5. It also supports ECC memory, which the Ultra 7 356H does not. These are platform-level attributes, not benchmark wins, but they matter for specific deployment scenarios.

Architecture Differences

The two processors come from different architectural families and target different market segments. The i3-14100T belongs to the Core 14th Gen series, built on Raptor Lake architecture with the Raptor Lake-R codename. It uses a 10 nm process node manufactured by Intel. The Ultra 7 356H belongs to the Core Ultra Series 3, built on Panther Lake architecture with the Panther Lake codename, and uses a 3 nm process node, also from Intel. The process node difference is significant: 10 nm versus 3 nm.

Core counts differ sharply. The i3-14100T has 4 cores and 8 threads, while the Ultra 7 356H has 16 cores and 16 threads. The i3-14100T uses Hyper-Threading, doubling its thread count, while the Ultra 7 356H has a 1:1 core-to-thread ratio. Base clocks are 2.70 GHz for the i3-14100T and 1.90 GHz for the Ultra 7 356H, but boost clocks reverse the order: 4.40 GHz for the i3-14100T and 4.70 GHz for the Ultra 7 356H. The higher boost clock on the Ultra 7 356H helps explain its single-thread advantage despite the lower base frequency.

Cache hierarchies also differ. The i3-14100T has 80 KB of L1 cache per core, 1.25 MB of L2 per core, and 12 MB of shared L3 cache. The Ultra 7 356H has 192 KB of L1 per core, 2.5 MB of L2 per core, and 18 MB of shared L3 cache. The die size for the i3-14100T is 163 mm², while the Ultra 7 356H has no recorded die size in the database.

Memory support diverges as well. The i3-14100T supports both DDR4 and DDR5 memory with a dual-channel bus. The Ultra 7 356H supports DDR5 and LPDDR5X with a dual-channel bus and a recorded memory bandwidth of 115.2 GB/s. The i3-14100T has no recorded memory bandwidth figure. ECC memory is supported on the i3-14100T but not on the Ultra 7 356H.

PCIe connectivity differs in lane count. The i3-14100T offers Gen 5 with 16 lanes (CPU only), while the Ultra 7 356H offers Gen 5 with 12 lanes (CPU only). Integrated graphics also differ: the i3-14100T uses UHD Graphics 730, while the Ultra 7 356H uses Intel Xe3 Graphics.

Thermal design power is lower on the Ultra 7 356H at 25 watts, compared to 35 watts for the i3-14100T. This is notable given the Ultra 7 356H's substantial performance lead. The i3-14100T is a desktop part with a launch MSRP of $134, while the Ultra 7 356H is a mobile part with no recorded launch MSRP. The i3-14100T uses the Intel Socket 1700, and the Ultra 7 356H uses the Intel BGA 2540 socket, which is a soldered mobile package. Neither processor has an unlocked multiplier.

Release dates differ by roughly two years. The i3-14100T launched on January 7, 2024, and the Ultra 7 356H launched on January 4, 2026. Both are listed as active in production status.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 356H has 16 cores and 16 threads. The Intel Core i3-14100T has 4 cores and 8 threads.

Q: How much faster is the Ultra 7 356H in single-core performance?

A: In PassMark single-thread, the Ultra 7 356H scores 4072 against 3498, a 14.1 percent lead. In Cinebench R23 single-core, it scores 2040 against 1639, a 19.7 percent lead.

Q: Does the i3-14100T support ECC memory?

A: Yes, the i3-14100T supports ECC memory. The Ultra 7 356H does not support ECC memory.

Q: What is the memory bandwidth of the Ultra 7 356H?

A: The Ultra 7 356H has a recorded memory bandwidth of 115.2 GB/s. The i3-14100T has no recorded memory bandwidth figure.

Q: Which processor has a higher boost clock?

A: The Ultra 7 356H has a boost clock of 4.70 GHz. The i3-14100T has a boost clock of 4.40 GHz.

Q: What process nodes do these processors use?

A: The i3-14100T uses a 10 nm process node. The Ultra 7 356H uses a 3 nm process node. Both are manufactured by Intel.

The Verdict

The recorded data points to the Intel Core Ultra 7 356H as the stronger processor in every measured benchmark. Its 87th percentile ranking against all CPUs, its 41215 average benchmark score, and its 17-0 record in head-to-head tests leave no ambiguity. The 16-core Panther Lake design delivers between 14.1 percent and 82.9 percent higher scores than the 4-core Raptor Lake i3-14100T, depending on the workload.

The i3-14100T remains competitive in the narrow context of lightly threaded tasks, where its single-thread deficit is smallest. Its platform features, including Intel Socket 1700 compatibility, DDR4 support, and ECC memory, give it a distinct role in systems that require those attributes. Its 71st percentile ranking and 17648 average score place it among a cluster of similarly performing chips, including the Intel Core i3-13100F and AMD Ryzen 3 8300GE.

For users who prioritize raw compute throughput, the Ultra 7 356H is the clear choice. Its 25 watt TDP, combined with a 3 nm process node and 18 MB of L3 cache, delivers higher performance while consuming less thermal headroom than the i3-14100T's 35 watt TDP. The mobile BGA 2540 package, however, means it is not a drop-in desktop upgrade path.

The i3-14100T serves a specific niche: desktop builds that need ECC memory, DDR4 compatibility, or a low-cost 4-core part with a $134 launch MSRP. The data shows no scenario where it wins on performance, but its platform flexibility and memory support options are real differentiators that the benchmark scores do not capture. The Ultra 7 356H wins every performance comparison, and the i3-14100T wins on platform attributes alone.