Intel Core i7-14700 vs Intel Xeon Phi 7290 Comparison

The Intel Xeon Phi 7290 and Intel Core i7-14700 represent two radically different approaches to processing, separated by nearly eight years of design philosophy. The Xeon Phi 7290, a 72-core Knights Landing behemoth from 2016, was built for massive throughput in server workloads, while the Core i7-14700, a 20-core Raptor Lake desktop chip from 2024, prioritizes high clock speeds and modern efficiency. The benchmark data reveals a fascinating split: the older Xeon Phi wins in specialized tasks like compression and extended instructions, while the newer Core i7 dominates almost everywhere else, often by staggering margins.

FAQ

Q: Which processor has more cores?

A: The Intel Xeon Phi 7290 has 72 cores and 288 threads, while the Intel Core i7-14700 has 20 cores and 28 threads. The Xeon Phi offers 52 more cores and 260 more threads than the Core i7.

Q: How do they compare in single-threaded performance?

A: The Intel Core i7-14700 is vastly superior in single-threaded workloads. In Passmark single-thread tests, it scores 4236 compared to the Xeon Phi's 485, a delta of -88.6% for the Xeon Phi. The Core i7 also wins in Cinebench R15 single-core with a score of 299 versus 215.

Q: Which processor wins in multi-core Cinebench tests?

A: The Intel Core i7-14700 wins all multi-core Cinebench tests. In Cinebench R23 multicore, it scores 28398 versus the Xeon Phi's 15163, a 46.6% advantage. The largest multi-core gap is in Cinebench R15, where the Core i7's 4061 score beats the Xeon Phi's 1528 by 62.4%.

Q: Are there any workloads where the Xeon Phi 7290 beats the Core i7-14700?

A: Yes, the Xeon Phi wins in five benchmarks: Cinebench R23 single-core (2140 vs 2080, a 2.9% edge), Passmark data compression (564535 vs 498198, a 13.3% edge), Passmark extended instructions (41517 vs 28388, a 46.2% edge), Passmark physics (2257 vs 2226, a 1.4% edge), and Passmark random string sorting (68593 vs 54340, a 26.2% edge).

Q: What is the difference in their average benchmark scores?

A: The Xeon Phi 7290 has an average benchmark score of 53469, while the Core i7-14700 has an average score of 52301. Despite the Core i7 winning 12 of 17 head-to-head tests, the Xeon Phi holds a slight edge in overall average score.

Q: What are their respective market segments and launch dates?

A: The Xeon Phi 7290 is a Server/Workstation processor released on 2016-06-19, while the Core i7-14700 is a Desktop processor released on 2024-01-07. The Core i7's launch MSRP is $384.

Architecture Differences

The architectural chasm between these two processors is immense. The Xeon Phi 7290 is built on the Knights Landing architecture using a 14 nm process node, packing 8,000 million transistors into a massive 72-core design. The Core i7-14700, codenamed Raptor Lake-R, uses a 10 nm process and features a hybrid architecture with 20 cores (though the data lists total threads at 28, implying a mix of performance and efficiency cores). The Core i7's die size is listed at 257 mm², while the Xeon Phi's die size is not specified in the data.

Cache hierarchies differ fundamentally. The Xeon Phi offers 32 KB of L1 and 512 KB of L2 per core, with no shared L3 cache listed. The Core i7 provides 80 KB of L1 and 2 MB of L2 per core, plus a substantial 33 MB of shared L3 cache. This makes the Core i7 far more efficient at sharing data between cores, while the Xeon Phi relies on its sheer number of cores and per-core cache.

Memory support also diverges. The Xeon Phi supports DDR4 memory with ECC, while the Core i7 supports both DDR4 and DDR5 with dual-channel memory bus and ECC. The Core i7 also includes integrated UHD Graphics 770, whereas the Xeon Phi has no integrated graphics listed. The Xeon Phi uses the Intel Socket 3647, while the Core i7 uses the newer Intel Socket 1700. The Core i7 features PCIe Gen 5 with 16 lanes (CPU only), while no PCIe information is listed for the Xeon Phi. Clock speeds tell a stark story: the Xeon Phi's base clock is 1500 MHz with a boost of 1700 MHz, while the Core i7 runs at 2100 MHz base and boosts to 5400 MHz.

Head-to-Head Benchmarks

The Core i7-14700 establishes dominance in the Cinebench suite, winning five of six tests. In Cinebench R15 multicore, the Core i7 scores 4061 versus the Xeon Phi's 1528, a 62.4% advantage. The gap persists in Cinebench R20 multicore, where the Core i7's 14388 easily outpaces the Xeon Phi's 6368, a 55.7% delta. Cinebench R23 multicore shows the Core i7 winning 28398 to 15163, a 46.6% margin. Single-core results are equally lopsided in R15 (299 vs 215, a 28.1% win) and R20 (2031 vs 898, a 55.8% win). The only Cinebench test the Xeon Phi wins is R23 single-core, edging out the Core i7 2140 to 2080, a slim 2.9% victory.

Passmark tests reveal a more nuanced picture. The Core i7 wins heavily in data encryption (29601 vs 12505, a 57.8% margin), floating point math (106716 vs 47417, a 55.6% margin), integer math (154535 vs 126922, a 17.9% margin), find prime numbers (164 vs 114, a 30.5% margin), and multithread (40318 vs 17839, a 55.8% margin). The single-thread Passmark test is the most decisive: the Core i7's 4236 crushes the Xeon Phi's 485 by 88.6%. However, the Xeon Phi strikes back in specific workloads. Its data compression score of 564535 beats the Core i7's 498198 by 13.3%. Extended instructions favor the Xeon Phi by a massive 46.2% (41517 vs 28388). Random string sorting goes to the Xeon Phi at 68593 versus 54340, a 26.2% win. The physics test is nearly a tie, with the Xeon Phi taking it 2257 to 2226, a 1.4% edge.

Specification Differences

The two processors differ in nearly every specification category. The Xeon Phi 7290 has 72 cores and 288 threads, while the Core i7-14700 has 20 cores and 28 threads. Base clocks are 1500 MHz for the Xeon Phi and 2100 MHz for the Core i7; boost clocks are 1700 MHz and 5400 MHz respectively. TDP ratings differ dramatically: the Xeon Phi draws 245 watts compared to the Core i7's 65 watts. Sockets are incompatible, with the Xeon Phi using Intel Socket 3647 and the Core i7 using Intel Socket 1700.

Process nodes differ, with the Xeon Phi at 14 nm and the Core i7 at 10 nm. The Xeon Phi has 8,000 million transistors, while the Core i7's transistor count is not listed. The Core i7 has a die size of 257 mm², whereas the Xeon Phi's die size is absent from the data. Cache configurations are distinct: the Xeon Phi offers 32 KB L1 and 512 KB L2 per core with no L3, while the Core i7 has 80 KB L1, 2 MB L2 per core, and 33 MB shared L3. Memory support shows the Xeon Phi limited to DDR4, while the Core i7 supports DDR4 and DDR5. The Core i7 has a dual-channel memory bus, whereas the Xeon Phi's bus is not specified. Only the Core i7 lists PCIe Gen 5 (16 lanes) and integrated UHD Graphics 770. The Core i7 is marked as Active in production status and has a part number of SRN40, while the Xeon Phi's status is not listed and its part number is SR2WY. The Core i7 has a launch MSRP of $384; the Xeon Phi has no listed launch MSRP.

The Verdict

The data paints a clear picture for most users: the Intel Core i7-14700 is the superior processor for general-purpose and consumer workloads. It wins 12 of 17 head-to-head benchmarks, including all multi-core Cinebench tests and most Passmark tests. Its single-thread performance is nothing short of dominant, with an 88.6% advantage in Passmark single-thread scoring. For tasks like encryption, floating point math, and integer math, the Core i7 delivers 55.8%, 55.6%, and 17.9% improvements respectively. The Core i7 also achieves this with a 245-watt lower TDP, making it dramatically more power-efficient on paper.

The Xeon Phi 7290, however, is not without its merits. It wins in data compression, extended instructions, random string sorting, and physics. Its 46.2% lead in extended instructions suggests specialized vector or SIMD workloads where its 72 cores and 288 threads can be fully utilized. The Xeon Phi also has a higher average benchmark score (53469 vs 52301), indicating that in aggregate, its specialized strengths can offset the Core i7's broader performance. The choice hinges on workload: the Core i7 is the versatile winner for everyday computing and modern applications, while the Xeon Phi is a niche specialist for specific high-throughput tasks.

Where Each One Wins

The Intel Core i7-14700 is the clear choice for single-threaded applications, given its massive 88.6% lead in Passmark single-thread and wins in Cinebench R15 and R20 single-core tests. It dominates in multi-core rendering workloads, as shown by its 62.4% win in Cinebench R15 multicore and 55.7% win in Cinebench R20 multicore. For data encryption, the Core i7's 57.8% advantage makes it the pick. Floating point math (55.6% lead) and integer math (17.9% lead) also favor the Core i7. Its multithread performance is 55.8% better, making it suitable for most parallel workloads. The Core i7 also wins in prime number finding by 30.5%. With a 65-watt TDP and integrated graphics, it is the practical choice for desktop systems.

The Intel Xeon Phi 7290 wins in five specific scenarios. Data compression is its strongest general-area win, with a 13.3% advantage over the Core i7. The extended instructions test shows a 46.2% lead, indicating strong performance in specialized instruction sets. Random string sorting goes to the Xeon Phi by 26.2%, suggesting efficiency in sorting algorithms. The physics test is close, but the Xeon Phi takes it by 1.4%. Cinebench R23 single-core is the Xeon Phi's only win in that suite, edging out the Core i7 by 2.9%. For server or workstation deployments where these specific workloads dominate, the Xeon Phi's 72 cores and 288 threads can be leveraged. Its 245-watt TDP and server-class socket indicate it belongs in a datacenter, not a desktop. The choice comes down to whether the workload matches the Xeon Phi's specialized strengths or the Core i7's broad-spectrum performance.