Intel Core i3-13100 vs Intel Core i7-1365U Comparison

FAQ

Q: Which processor has more cores?

A: The Intel Core i7-1365U has 10 cores and 12 threads, while the Intel Core i3-13100 has 4 cores and 8 threads.

Q: Which chip has a higher boost clock?

A: The Intel Core i7-1365U boosts to 5.20 GHz, whereas the Intel Core i3-13100 boosts to 4.50 GHz.

Q: Which CPU has a higher TDP?

A: The Intel Core i3-13100 has a TDP of 60 W, while the Intel Core i7-1365U has a TDP of 15 W. The desktop part uses far more power.

Q: Which processor supports faster PCIe?

A: The Intel Core i3-13100 supports PCIe Gen 5 with 16 lanes (CPU only), while the Intel Core i7-1365U supports PCIe Gen 4 with 8 lanes (CPU only).

Q: Which chip has better integrated graphics?

A: The Intel Core i7-1365U uses Iris Xe Graphics with 96 execution units, while the Intel Core i3-13100 uses UHD Graphics 730. The mobile chip has a more capable integrated GPU.

Q: Which chip wins in Cinebench R23 multi-core?

A: The Intel Core i3-13100 wins by a wide margin, scoring 11986 versus 8946 for the Core i7-1365U, a 34% advantage.

Architecture Differences

Both processors belong to Intel's Raptor Lake family and are built on the same 10 nm process at Intel's foundry. The Core i3-13100 is a desktop part, codenamed Raptor Lake-S, while the Core i7-1365U is a mobile part, codenamed Raptor Lake-U. This distinction shapes everything else about the two designs.

The core counts diverge sharply. The i3-13100 has 4 cores and 8 threads, relying on a small but fast set of performance cores. The i7-1365U has 10 cores and 12 threads, a hybrid arrangement that includes efficiency cores for background tasks. The mobile chip's thread count is not double its core count, confirming that some cores are efficiency-oriented without hyper-threading.

Cache layout is identical per core: 80 KB of L1 and 1.25 MB of L2 per core, with 12 MB of shared L3 cache on both parts. The process node and foundry match as well, as both use Intel's 10 nm node. The die size differs, with the desktop chip measuring 163 mm², while the mobile chip's die size is not recorded.

Memory support is the same: both accept DDR4 and DDR5, both use dual-channel memory buses, and neither supports ECC memory. Neither chip has an unlocked multiplier. The integrated graphics differ significantly: the i3-13100 has UHD Graphics 730, while the i7-1365U has Iris Xe Graphics with 96 execution units, a stronger integrated solution for a mobile form factor.

The sockets are incompatible. The i3-13100 uses Intel Socket 1700, designed for desktop boards. The i7-1365U uses Intel BGA 1744, a soldered mobile socket. The PCIe support also differs: the desktop chip provides Gen 5 with 16 CPU lanes, while the mobile chip provides Gen 4 with 8 CPU lanes.

Both parts launched on the same date and remain in active production. The desktop chip has a launch MSRP of $134, while the mobile chip has a launch MSRP of $426.

Head-to-Head Benchmarks

The benchmark data reveals a split personality between these two chips. The desktop i3-13100 dominates sustained multi-threaded workloads, while the mobile i7-1365U takes the lead in several single-thread and specialized tests. The overall win count favors the mobile chip: 10 wins for the i7-1365U versus 7 wins for the i3-13100.

The biggest margin belongs to the i3-13100 in Cinebench R23 multi-core, where it scores 11986 against 8946, a 34% lead. This is the clearest statement of the desktop chip's advantage in heavy parallel workloads. The i3-13100 also wins in Cinebench R20 multi-core with 5034 versus 4882, a 3.1% edge, and in Cinebench R20 single-core with 710 versus 689, a 3% lead.

PassMark extended instructions are another strong win for the desktop chip, 11053 versus 8321, a 32.8% advantage. Data compression also favors the i3-13100, 161424 versus 149585, a 7.9% margin. In single-thread PassMark tests, the i3-13100 scores 3460 versus 3411, a slim 1.4% lead.

The i7-1365U counters with its own impressive results. Cinebench R15 multi-core shows the mobile chip ahead, 1466.5 versus 1208, a 17.6% margin. Cinebench R15 single-core is even more lopsided: 265.5 versus 170, a 36% lead for the i7-1365U. Cinebench R23 single-core also goes to the mobile chip, 1887 versus 1692, a 10.3% advantage.

PassMark integer math heavily favors the i7-1365U, 50881 versus 41313, an 18.8% win. Data encryption goes to the mobile chip as well, 9531 versus 8049, a 15.5% margin. Floating-point math favors the i7-1365U by 4%, scoring 33689 versus 32325. Prime number finding goes to the mobile chip, 58 versus 52, a 10.3% edge. Physics scores favor the i7-1365U, 966 versus 870, a 9.9% win. Random string sorting also goes to the mobile chip, 16977 versus 15925, a 6.2% margin. PassMark multithread is close, 14045 versus 13726, a 2.3% edge for the i7-1365U.

The overall average benchmark scores are nearly identical: 18380 for the i3-13100 and 18177 for the i7-1365U. Both chips sit at the 72nd percentile among all CPUs. The i3-13100's nearest rivals include the Intel Core 7 360 with a delta of 0%, the Intel Core 5 330 with a 0.2% delta, and the Intel Core i3-14100 with a 0.3% delta. The i7-1365U's nearest rivals include the AMD Ryzen 7 5700U and Intel Core i7-9700, both at 0% delta, and the AMD Ryzen 3 8300G at 0% delta.

The Verdict

The data points to a clear split based on workload and platform. The Intel Core i3-13100 is the stronger choice for sustained multi-threaded rendering. Its 34% lead in Cinebench R23 multi-core and 32.8% lead in extended instructions make it the pick for content creation tasks that hammer all cores for long periods. The desktop chip also holds a slight edge in Cinebench R20 multi-core and single-core, plus a narrow win in PassMark single-thread.

The Intel Core i7-1365U is the better choice for single-thread responsiveness and mixed workloads. Its 36% lead in Cinebench R15 single-core and 10.3% lead in Cinebench R23 single-core show a strong per-thread capability. The mobile chip also wins in integer math, encryption, floating-point math, physics, and random string sorting, making it versatile for varied tasks. The 10-core, 12-thread configuration delivers more total wins across the benchmark suite, even if the average scores are nearly tied.

For a desktop build where power draw is less of a concern and sustained multi-core output matters most, the i3-13100 is the logical choice. For a mobile system where the 15 W TDP is essential and single-thread performance plus integrated graphics matter, the i7-1365U is the clear winner. The data shows two capable processors that excel in different environments, with the desktop part leading in heavy parallel compute and the mobile part leading in speed-sensitive workloads.

Specification Differences

The two processors differ in several key specifications. The i3-13100 has 4 cores and 8 threads, while the i7-1365U has 10 cores and 12 threads. Base clocks are dramatically different: the i3-13100 runs at 3.40 GHz, while the i7-1365U runs at 1800.00 MHz. Boost clocks favor the mobile chip, 5.20 GHz versus 4.50 GHz. TDP is 60 W for the desktop part and 15 W for the mobile part.

The sockets are distinct: Intel Socket 1700 for the i3-13100 and Intel BGA 1744 for the i7-1365U. The market segments differ, with the desktop chip listed as Desktop and the mobile chip as Mobile. PCIe support differs as well: Gen 5 with 16 lanes for the desktop part versus Gen 4 with 8 lanes for the mobile part. Integrated graphics are different, with UHD Graphics 730 on the desktop chip and Iris Xe Graphics 96EU on the mobile chip.

Die size is recorded only for the desktop chip at 163 mm². The launch MSRP differs, $134 for the i3-13100 and $426 for the i7-1365U. Both share the same L1, L2, and L3 cache sizes, memory support, memory bus, ECC status, process node, foundry, release date, and production status. Neither chip has an unlocked multiplier.