AMD Ryzen 7 7700X3D vs Intel Core Ultra 7 265HX Comparison

Head-to-Head Benchmarks

The recorded data contains no direct head-to-head benchmark runs between the AMD Ryzen 7 7700X3D and the Intel Core Ultra 7 265HX. However, the Intel part has a substantial benchmark profile in the database, while the AMD desktop chip currently shows no recorded benchmark scores. The Intel Core Ultra 7 265HX posts an average benchmark score of 63,173, placing it at the 93rd percentile of all CPUs in the database. That percentile rank puts it within a narrow band of nearby rivals: it trails the AMD Ryzen AI 7 450G by 0.2%, and leads the Intel Core i7-13790F by 0.1%, the AMD Ryzen AI Embedded P185 by 0.5%, and the Intel Core Ultra 7 255HX by 0.7%. These deltas are small, indicating that the 265HX sits in a tightly packed performance cluster.

Looking at the Intel chip's individual workload results, Cinebench R23 multi-core yields a score of 40,642, while single-core reaches 5,737. In Cinebench R20, multi-core scores 17,069 and single-core 2,409. The Cinebench R15 results are 4,096 multi-core and 578 single-core. PassMark multithread performance registers 47,985, with single-thread at 4,500. Integer math posts 126,954, floating point math 161,605, and extended instructions 40,741. Data encryption scores 39,472, data compression 511,817, and random string sorting 62,458. Physics simulation scores 2,978, and find prime numbers posts 406.

Because the AMD Ryzen 7 7700X3D has no recorded benchmark scores in the database, the head-to-head comparison is limited to architectural and specification differences rather than measured performance deltas. The database shows the AMD part at the 50th percentile of all CPUs, with an average benchmark score of zero, meaning no workload results have been captured for it yet.

Architecture Differences

The two processors come from fundamentally different design lineages. The AMD Ryzen 7 7700X3D is a desktop part built on the Raphael codename, using the Zen 4 architecture at a 5 nm process node from TSMC. The Intel Core Ultra 7 265HX is a mobile processor using Arrow Lake architecture, specifically Arrow Lake-HX, at a 3 nm process node also from TSMC. The AMD chip belongs to the 7000 series and the Ryzen 7 generation, while the Intel chip is in the Core Ultra Series 2 and the Ultra 7 generation.

Core counts differ sharply. The AMD chip has 8 cores and 16 threads, while the Intel chip has 20 cores and 20 threads. This means the Intel part has 12 more cores but does not use simultaneous multithreading, so its thread count equals its core count. The AMD chip uses simultaneous multithreading to double its 8 cores into 16 threads. Clock behavior also diverges: the AMD chip has a base clock of 4.00 GHz and a boost clock of 4.50 GHz, while the Intel chip has a base clock of 2.60 GHz and a boost clock of 5.30 GHz. The Intel part reaches a higher peak frequency by 0.80 GHz, but starts from a much lower base.

Cache hierarchies are markedly different. The AMD chip provides 64 KB of L1 per core, 1 MB of L2 per core, and 96 MB of shared L3 cache. The Intel chip provides 192 KB of L1 per core, 3 MB of L2 per core, and only 30 MB of shared L3 cache. The AMD part's 96 MB of L3 is more than triple the Intel part's 30 MB, which is a significant advantage for workloads that fit within the larger cache. However, the Intel chip has more L1 and L2 per core, which can reduce latency for frequently accessed data. The transistor counts also differ: the AMD chip uses 11,270 million transistors on a 71 mm² die, while the Intel chip uses 17,800 million transistors on a 243 mm² die.

Memory support shows both platforms use DDR5 with dual-channel memory buses. The AMD chip supports ECC memory, while the Intel chip does not. Memory bandwidth differs: the AMD chip delivers 83.2 GB/s, while the Intel chip delivers 102.4 GB/s, a 19.2 GB/s advantage for Intel. PCIe connectivity also differs: the AMD chip provides Gen 5 with 24 lanes from the CPU, while the Intel chip provides Gen 5 with 20 lanes from the CPU. Integrated graphics differ as well: the AMD chip uses Radeon Graphics, while the Intel chip uses Arc Xe-LPG Graphics with 64 execution units.

The AMD chip is a desktop part on AMD Socket AM5, while the Intel chip is a mobile part on Intel BGA 2114. The AMD chip is not multiplier unlocked, while the Intel chip is multiplier unlocked. Production status is active for both. The AMD chip was released on 2026-05-30, while the Intel chip was released on 2025-01-12, making the Intel part roughly 17 months older in release timing. The AMD chip has a launch MSRP of $329; the Intel chip has no recorded launch MSRP.

The Verdict

The data supports a clear split based on workload type and platform. The Intel Core Ultra 7 265HX is the only one of the two with measured benchmark results, and those results place it at the 93rd percentile of all CPUs. Its 20 cores and 20 threads give it a raw core-count advantage over the AMD chip's 8 cores and 16 threads. The Intel chip also has a higher boost clock of 5.30 GHz compared to 4.50 GHz, and higher memory bandwidth at 102.4 GB/s versus 83.2 GB/s. For multi-threaded mobile workloads, the Intel part is the only option with recorded data, and that data shows strong performance across Cinebench and PassMark suites.

The AMD Ryzen 7 7700X3D, by contrast, has no recorded benchmark scores in the database. Its 96 MB of shared L3 cache is the standout architectural feature, more than triple the Intel chip's 30 MB. For workloads that are sensitive to cache capacity, the AMD design could hold an advantage, but the database contains no measurements to confirm this. The AMD chip also supports ECC memory, which the Intel chip does not, and it uses a socketed platform, AM5, whereas the Intel chip is a BGA mobile part. The AMD chip's lower core count and lower boost clock suggest it would trail the Intel chip in heavily threaded workloads, but again, no direct measurements exist.

For users selecting between the two, the choice is primarily platform-driven. The Intel Core Ultra 7 265HX delivers recorded performance at the 93rd percentile, with a 20-core configuration and a 5.30 GHz boost clock, making it the data-supported pick for multi-threaded mobile computing. The AMD Ryzen 7 7700X3D offers a desktop socket, ECC support, and a much larger L3 cache, but its performance profile is unmeasured in the database. The Intel chip edges out its nearest rivals by small margins: 0.1% over the Intel Core i7-13790F, 0.5% over the AMD Ryzen AI Embedded P185, and 0.7% over the Intel Core Ultra 7 255HX, while trailing the AMD Ryzen AI 7 450G by 0.2%. Those margins are minimal, indicating the 265HX is competitive but not dominant within its peer group.

Specification Differences

The two processors differ across nearly every major specification category. Core and thread counts are the most obvious: the AMD chip has 8 cores and 16 threads, while the Intel chip has 20 cores and 20 threads. Base clocks are 4.00 GHz for AMD and 2.60 GHz for Intel. Boost clocks are 4.50 GHz for AMD and 5.30 GHz for Intel. The TDP figures show 120 watts for the AMD chip and 55 watts for the Intel chip, though the two parts target different platforms, desktop versus mobile, so direct power comparisons are not straightforward.

Process node and foundry are identical in foundry, TSMC, but differ in node: 5 nm for AMD and 3 nm for Intel. The AMD chip uses 11,270 million transistors on a 71 mm² die, while the Intel chip uses 17,800 million transistors on a 243 mm² die. Cache configurations differ at every level: L1 is 64 KB per core for AMD and 192 KB per core for Intel; L2 is 1 MB per core for AMD and 3 MB per core for Intel; L3 is 96 MB shared for AMD and 30 MB shared for Intel. Memory bandwidth is 83.2 GB/s for AMD and 102.4 GB/s for Intel. ECC memory support is present on AMD and absent on Intel. PCIe lanes are 24 for AMD and 20 for Intel, both Gen 5. Integrated graphics are Radeon Graphics for AMD and Arc Xe-LPG Graphics 64EU for Intel. The market segment is Desktop for AMD and Mobile for Intel. The socket is AMD Socket AM5 for AMD and Intel BGA 2114 for Intel. The multiplier is locked on AMD and unlocked on Intel. Release dates are 2026-05-30 for AMD and 2025-01-12 for Intel. The AMD part carries a launch MSRP of $329; the Intel part has none recorded. Part numbers are 100-000002235 for AMD and SRVFH for Intel.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra 7 265HX has 20 cores, while the AMD Ryzen 7 7700X3D has 8 cores.

Q: How do the boost clocks compare?

A: The Intel Core Ultra 7 265HX boosts to 5.30 GHz, while the AMD Ryzen 7 7700X3D boosts to 4.50 GHz.

Q: Which chip has the larger L3 cache?

A: The AMD Ryzen 7 7700X3D has 96 MB of shared L3 cache, compared to 30 MB on the Intel Core Ultra 7 265HX.

Q: Does the Intel Core Ultra 7 265HX support ECC memory?

A: No, ECC memory support is not present on the Intel Core Ultra 7 265HX. The AMD Ryzen 7 7700X3D does support ECC memory.

Q: What is the memory bandwidth difference?

A: The Intel Core Ultra 7 265HX delivers 102.4 GB/s, while the AMD Ryzen 7 7700X3D delivers 83.2 GB/s.

Q: Which processor has recorded benchmark scores?

A: Only the Intel Core Ultra 7 265HX has recorded benchmark scores in the database, with an average benchmark score of 63,173 and a 93rd percentile ranking. The AMD Ryzen 7 7700X3D has no recorded benchmark scores and sits at the 50th percentile.