Intel Core i7-1365UE vs Intel Core i7-7740X Comparison

The Intel Core i7-1365UE is the decisive winner in this head-to-head comparison, taking all six benchmark tests against the Intel Core i7-7740X. Despite the i7-7740X’s much higher base clock of 4.30 GHz and desktop-class 112 W TDP, the mobile i7-1365UE leads by roughly 12% across every Cinebench workload. This outcome is driven entirely by architectural and core-count advantages, not raw clock speed, and the data is unambiguous: the newer Raptor Lake chip outperforms the older Kaby Lake-X part in every measured scenario.

Head-to-Head Benchmarks

The i7-1365UE’s dominance is consistent and uniform. In Cinebench R15 multi-core, it scores 932 against the i7-7740X’s 831, a 12.2% advantage. Single-core R15 follows the same pattern: 131 versus 117, a 12% lead. Moving to Cinebench R20, the i7-1365UE posts 3887 multi-core and 548 single-core, while the i7-7740X manages 3465 and 488 respectively. That translates to a 12.2% multi-core win and a 12.3% single-core win for the mobile chip. In Cinebench R23, the gap holds steady at 12.2% for both tests: 9257 versus 8250 in multi-core, and 1306 versus 1164 in single-core. The i7-1365UE wins all six head-to-head tests, with zero victories for the i7-7740X.

What makes this striking is the clock-speed inversion. The i7-7740X has a 4.30 GHz base clock and a 4.60 GHz boost clock, while the i7-1365UE runs at just 1.70 GHz base but boosts to 4.90 GHz. The i7-1365UE’s higher boost clock helps, but it cannot explain the full margin. The real story is core count: the i7-1365UE packs 10 cores and 12 threads, versus 4 cores and 8 threads for the i7-7740X. In multi-core workloads, that 2.5x core advantage more than compensates for the i7-7740X’s higher sustained clocks. In single-core tests, the i7-1365UE’s 4.90 GHz turbo and newer microarchitecture deliver the edge, despite the i7-7740X’s higher base frequency.

The average benchmark scores reinforce the verdict. The i7-1365UE has an average benchmark score of 2677, while the i7-7740X sits at 2648. Both chips land at the 50th percentile of all CPUs, but the i7-1365UE’s nearest rivals include the Intel Core i5-9500F (2670, 0.3% behind) and the Intel Core i7-9700T (2668, 0.4% behind), placing it in solid mid-range territory. The i7-7740X’s nearest rivals are the Intel Xeon E-2274G (2643, 0.2% behind) and the Intel Core i7-5820K (2642, 0.2% behind), showing it clusters at a slightly lower performance tier. The i7-1365UE also has a Geekbench presence absent from the i7-7740X’s data, though the i7-7740X’s Geekbench scores (5246 multi-core, 1619 single-core) are the only benchmarks the i7-1365UE lacks.

FAQ

Q: Which CPU is faster in multi-core workloads?

A: The Intel Core i7-1365UE wins every multi-core test. In Cinebench R23 multi-core, it scores 9257 versus 8250 for the i7-7740X, a 12.2% advantage. The same margin appears in R15 (932 versus 831) and R20 (3887 versus 3465).

Q: Does the i7-7740X’s higher base clock give it a single-core edge?

A: No. The i7-7740X has a 4.30 GHz base clock, but the i7-1365UE still wins single-core tests by 12-12.3%. In Cinebench R20 single-core, the i7-1365UE scores 548 against 488 for the i7-7740X.

Q: How do the core and thread counts compare?

A: The i7-1365UE has 10 cores and 12 threads, while the i7-7740X has 4 cores and 8 threads. This core advantage is the primary reason for the i7-1365UE’s multi-core dominance.

Q: Are the TDPs relevant to performance?

A: The i7-1365UE has a 15 W TDP, while the i7-7740X has a 112 W TDP. Despite drawing far less power, the i7-1365UE outperforms the i7-7740X in every benchmark test, showing efficiency gains from the newer architecture.

Q: Which CPU has better memory support?

A: The i7-1365UE supports DDR4 and DDR5 with dual-channel memory, while the i7-7740X only supports DDR4 but with quad-channel memory. The i7-1365UE also uses PCIe Gen 4 with 8 lanes, versus PCIe Gen 3 for the i7-7740X.

Q: Do both CPUs have integrated graphics?

A: No. The i7-1365UE includes Iris Xe Graphics 80EU, while the i7-7740X has no integrated graphics. This makes the i7-1365UE a self-contained solution for systems without a discrete GPU.

Where Each One Wins

The i7-1365UE wins every benchmark in this comparison, so the use-case split is one-sided in terms of raw performance. However, the two chips serve entirely different market segments, and the data reveals where each makes sense. The i7-1365UE is a mobile processor on Intel BGA 1744, targeting laptops and compact systems. Its 15 W TDP and integrated Iris Xe Graphics 80EU make it suitable for thin-and-light devices where power efficiency and onboard display output matter. The 10 cores and 12 threads provide ample parallelism for productivity tasks, and the 4.90 GHz boost clock handles bursty single-threaded workloads. The i7-1365UE’s support for both DDR4 and DDR5 gives system designers flexibility, and its PCIe Gen 4 connectivity is modern.

The i7-7740X, by contrast, is a desktop part on Intel Socket 2066. Its 4.30 GHz base clock and 4.60 GHz boost clock are high, and the 112 W TDP reflects a design that assumes a robust cooling solution and a discrete GPU is present. The quad-channel DDR4 memory support is a genuine advantage for memory-bandwidth-sensitive applications, and the unlocked multiplier allows overclocking. However, with only 4 cores and 8 threads, the i7-7740X lags in multi-threaded tasks. Its 8 MB of shared L3 cache is smaller than the i7-1365UE’s 12 MB shared L3. The i7-7740X’s Geekbench scores (5246 multi-core, 1619 single-core) are the only data points where it shows a different benchmark profile, but they do not change the overall verdict.

For users who prioritize multi-core rendering, the i7-1365UE is the clear choice. For users who need quad-channel memory bandwidth or an unlocked multiplier for overclocking, the i7-7740X offers those features, but at the cost of performance in every measured CPU benchmark. The i7-7740X also lacks integrated graphics, so it requires a separate GPU, whereas the i7-1365UE can run a display on its own.

Specification Differences

The two CPUs differ in nearly every major specification. The i7-1365UE has 10 cores and 12 threads, while the i7-7740X has 4 cores and 8 threads. Base clocks diverge sharply: 1.70 GHz for the i7-1365UE versus 4.30 GHz for the i7-7740X. Boost clocks are closer but still different: 4.90 GHz versus 4.60 GHz. TDP is a massive differentiator: 15 W for the i7-1365UE, 112 W for the i7-7740X. Sockets are incompatible: Intel BGA 1744 versus Intel Socket 2066. Cache hierarchies differ: the i7-1365UE has 80 KB L1 per core, 1.25 MB L2 per core, and 12 MB shared L3, while the i7-7740X has 64 KB L1 per core, 256 KB L2 per core, and 8 MB shared L3. Memory support varies: the i7-1365UE accepts DDR4 and DDR5 in dual-channel mode, while the i7-7740X only takes DDR4 in quad-channel mode. PCIe generations differ: Gen 4 with 8 lanes for the i7-1365UE, Gen 3 for the i7-7740X. The i7-1365UE includes Iris Xe Graphics 80EU, while the i7-7740X has none. The multiplier is locked on the i7-1365UE and unlocked on the i7-7740X. Market segments differ: mobile versus desktop, and release dates are 2023-01-03 versus 2017-06-25.

Architecture Differences

The i7-1365UE is built on Raptor Lake, specifically the Raptor Lake-U codename, using a 10 nm process node from Intel. The i7-7740X uses Kaby Lake, specifically Kaby Lake-X, on a 14 nm process node. This process shrink is a major factor in the i7-1365UE’s performance-per-watt advantage. The i7-1365UE’s 10 cores and 12 threads come from a hybrid design that leverages newer Raptor Lake architecture, while the i7-7740X’s 4 cores and 8 threads are based on the older Kaby Lake microarchitecture. Cache layouts reflect the generational gap: the i7-1365UE’s 12 MB shared L3 and larger per-core L2 (1.25 MB) provide more on-die storage than the i7-7740X’s 8 MB shared L3 and 256 KB per-core L2. The i7-1365UE also supports DDR5 memory, a feature absent from the i7-7740X, and its PCIe Gen 4 interface is twice as fast as the i7-7740X’s PCIe Gen 3. Integrated graphics on the i7-1365UE (Iris Xe Graphics 80EU) are absent on the i7-7740X, which relies on a discrete GPU. The i7-1365UE’s 15 W TDP versus the i7-7740X’s 112 W TDP highlights the architectural efficiency gains of Raptor Lake over Kaby Lake.

The Verdict

The data points to a single conclusion: the Intel Core i7-1365UE is the superior processor in raw performance, winning all six head-to-head benchmarks by margins of 12.0% to 12.3%. It achieves this while consuming 15 W versus 112 W, with integrated graphics, and on a mobile socket. The i7-7740X retains niche advantages: quad-channel DDR4 memory support, an unlocked multiplier for overclocking, and a higher base clock of 4.30 GHz. But those features do not translate into benchmark wins. For any user prioritizing Cinebench performance, the i7-1365UE is the clear pick. For users who specifically need quad-channel memory bandwidth or plan to overclock aggressively, the i7-7740X offers those capabilities, but they come with a significant performance penalty in both single-core and multi-core tests. The i7-1365UE’s 50th percentile ranking and average benchmark score of 2677 place it slightly ahead of the i7-7740X’s 2648 average, confirming that the mobile chip is not just efficient—it is genuinely faster. Choose the i7-1365UE for performance and efficiency; choose the i7-7740X only if its unique desktop features are non-negotiable.