Intel Core i5-14501E vs Intel Core Ultra 7 266V Comparison

The Verdict

The database comparison between the Intel Core i5-14501E and the Intel Core Ultra 7 266V shows two processors with fundamentally different design goals. The Core Ultra 7 266V, a Lunar Lake mobile chip, holds a decisive performance advantage in the recorded benchmarks, placing in the 76th percentile of all CPUs. The Core i5-14501E, a Raptor Lake desktop part, sits at the 50th percentile. Based on the data, the Core Ultra 7 266V is the clear choice for workloads that prioritize raw throughput and single-thread responsiveness, while the Core i5-14501E serves the desktop segment with a conventional socketed design, higher power envelope, and ECC memory support.

Architecture Differences

The two processors come from distinct architectural lineages. The Core i5-14501E uses the Raptor Lake architecture, specifically the Raptor Lake-R codename, built on Intel's 10 nm process node with a die size of 215 mm². It is a desktop part on Intel Socket 1700 with a 65 W TDP. In contrast, the Core Ultra 7 266V uses the Lunar Lake architecture, built on TSMC's 3 nm process node. It is a mobile part on Intel BGA 2833 with a 17 W TDP.

The core configurations differ substantially. The Core i5-14501E has 6 cores and 12 threads, indicating hyperthreading support. The Core Ultra 7 266V has 8 cores and 8 threads, with no hyperthreading. Cache hierarchies also diverge. The Core i5-14501E has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 24 MB of shared L3 cache. The Core Ultra 7 266V has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 12 MB of shared L3 cache. The Lunar Lake part has more cache per core, but less total L3.

Memory support differs. The Core i5-14501E supports DDR4 and DDR5 memory on a dual-channel bus, with ECC memory support enabled. The Core Ultra 7 266V supports LPDDR5X memory depending on the motherboard, also on a dual-channel bus, with a recorded memory bandwidth of 136.5 GB/s. The Core i5-14501E does not have a recorded memory bandwidth figure. ECC memory is not supported on the Core Ultra 7 266V.

PCIe capabilities also differ. The Core i5-14501E provides Gen 5 with 16 lanes (CPU only). The Core Ultra 7 266V provides Gen 5 with 4 lanes (CPU only). Integrated graphics differ as well: the Core i5-14501E has UHD Graphics 770, while the Core Ultra 7 266V has Arc 140V.

Head-to-Head Benchmarks

The benchmark data shows a strong advantage for the Core Ultra 7 266V across the recorded tests. In Cinebench R23 multicore, the Core Ultra 7 266V scores 16,544. In Cinebench R23 singlecore, it scores 2,335. The Core i5-14501E has no benchmark scores recorded in the database, so the head-to-head comparison relies entirely on the Core Ultra 7 266V's absolute results and its position against its nearest rivals.

The Core Ultra 7 266V's average benchmark score is 23,297. Its nearest rival, the AMD Ryzen 7 5800H, has an average score of 23,277, a delta of 0.1%. The Intel Core i9-11900F scores 23,254, a delta of 0.2%. The Intel Core Ultra 9 288V scores 23,219, a delta of 0.3%. The AMD EPYC 4124P scores 23,167, a delta of 0.6%. This places the Core Ultra 7 266V marginally ahead of all four rivals, with the largest gap being 0.6% over the EPYC part.

In PassMark tests, the Core Ultra 7 266V delivers strong results across various workloads. It scores 187,050 in data compression, 13,822 in data encryption, 15,928 in extended instructions, 191 in find prime numbers, 56,923 in floating point math, 41,558 in integer math, 19,461 in multithread, 1,608 in physics, 22,905 in random string sorting, and 3,943 in single thread. These numbers indicate balanced performance across integer, floating point, and memory-intensive tasks.

The Cinebench results for the Core Ultra 7 266V show 1,667 in R15 multicore, 235 in R15 singlecore, 6,948 in R20 multicore, and 980 in R20 singlecore. The R23 multicore score of 16,544 is notably higher than the R20 multicore score of 6,948, reflecting the different workload scaling in each test version. The singlecore scores also scale upward from R15 to R23.

Specification Differences

The two processors differ in several key specification fields. The Core i5-14501E has 6 cores and 12 threads, while the Core Ultra 7 266V has 8 cores and 8 threads. Base clocks differ: the Core i5-14501E runs at 3.30 GHz base and 5.20 GHz boost, while the Core Ultra 7 266V runs at 2.20 GHz base and 5.00 GHz boost. The TDP differs significantly: 65 W for the Core i5-14501E versus 17 W for the Core Ultra 7 266V.

The sockets are different: Intel Socket 1700 for the Core i5-14501E and Intel BGA 2833 for the Core Ultra 7 266V. The process nodes differ: 10 nm for the Core i5-14501E versus 3 nm for the Core Ultra 7 266V, with different foundries (Intel versus TSMC). The die size is 215 mm² for the Core i5-14501E, with no recorded die size for the Core Ultra 7 266V.

Cache configurations differ as detailed above. The Core i5-14501E has 80 KB L1 per core, 1.25 MB L2 per core, and 24 MB L3 shared. The Core Ultra 7 266V has 192 KB L1 per core, 2.5 MB L2 per core, and 12 MB L3 shared. Memory support differs, with the Core i5-14501E supporting both DDR4 and DDR5, and the Core Ultra 7 266V supporting LPDDR5X depending on the motherboard. ECC memory is supported on the Core i5-14501E but not on the Core Ultra 7 266V. PCIe lane counts differ, with 16 lanes on the Core i5-14501E versus 4 lanes on the Core Ultra 7 266V. Integrated graphics differ, with UHD Graphics 770 versus Arc 140V. Market segments differ: Desktop versus Mobile. Release dates differ as well: the Core i5-14501E released on 2024-06-30, and the Core Ultra 7 266V released on 2024-09-23.

FAQ

Q: Which processor has a higher boost clock?

A: The Intel Core i5-14501E has a boost clock of 5.20 GHz, while the Intel Core Ultra 7 266V has a boost clock of 5.00 GHz.

Q: What is the average benchmark score for the Core Ultra 7 266V, and how does it compare to its nearest rivals?

A: The Core Ultra 7 266V has an average benchmark score of 23,297. It is 0.1% ahead of the AMD Ryzen 7 5800H, 0.2% ahead of the Intel Core i9-11900F, 0.3% ahead of the Intel Core Ultra 9 288V, and 0.6% ahead of the AMD EPYC 4124P.

Q: Does the Core i5-14501E support ECC memory?

A: Yes, the Core i5-14501E supports ECC memory. The Core Ultra 7 266V does not support ECC memory.

Q: How many threads does each processor have?

A: The Core i5-14501E has 6 cores and 12 threads. The Core Ultra 7 266V has 8 cores and 8 threads.

Q: What is the process node for each processor?

A: The Core i5-14501E is built on Intel's 10 nm process node. The Core Ultra 7 266V is built on TSMC's 3 nm process node.

Q: Which processor has more L3 cache?

A: The Core i5-14501E has 24 MB of shared L3 cache. The Core Ultra 7 266V has 12 MB of shared L3 cache.

Where Each One Wins

The Core Ultra 7 266V wins on raw performance metrics in the recorded data. Its average benchmark score of 23,297 places it in the 76th percentile of all CPUs, compared to the Core i5-14501E's 50th percentile. The Core Ultra 7 266V's Cinebench R23 multicore score of 16,544 and singlecore score of 2,335 indicate strong performance in both threaded and single-threaded workloads. Its PassMark results, particularly in data compression (187,050) and floating point math (56,923), show proficiency in compute-heavy tasks.

The Core i5-14501E wins on platform flexibility and desktop-oriented features. It uses the Intel Socket 1700, which allows for a conventional socketed desktop installation. It supports both DDR4 and DDR5 memory, providing broader memory compatibility than the Core Ultra 7 266V's LPDDR5X-only support. The Core i5-14501E also supports ECC memory, which is a requirement for certain workstation and server applications. Its 16 PCIe Gen 5 lanes offer more connectivity than the Core Ultra 7 266V's 4 lanes.

The TDP difference is notable. The Core i5-14501E has a 65 W TDP, while the Core Ultra 7 266V has a 17 W TDP. The Core Ultra 7 266V's lower power envelope makes it suitable for mobile platforms, which aligns with its BGA 2833 socket and mobile market segment. The Core i5-14501E's higher TDP reflects its desktop orientation and the additional power available for sustained performance.

The cache hierarchy favors each processor differently. The Core Ultra 7 266V has more L1 and L2 cache per core, which can benefit latency-sensitive workloads. The Core i5-14501E has more total L3 cache, which can benefit workloads that share data across cores. The Core Ultra 7 266V's 8 cores versus the Core i5-14501E's 6 cores, combined with the Core i5-14501E's hyperthreading giving 12 threads, presents a tradeoff between physical cores and thread count.

For users needing a desktop processor with ECC memory support and broad memory compatibility, the Core i5-14501E is the only option between the two. For users prioritizing benchmark performance, power efficiency, and the latest process node, the Core Ultra 7 266V delivers the stronger measured results. The data does not record any benchmarks for the Core i5-14501E, so its performance profile is unmeasured in this database. The Core Ultra 7 266V's recorded results consistently outperform its nearest rivals by small margins, confirming its competitive position in the upper quartile of all CPUs.