AMD EPYC 9124 vs Intel Core Ultra 7 265F Comparison

The AMD EPYC 9124 and Intel Core Ultra 7 265F represent two very different philosophies in modern processor design: one is a 16-core server behemoth built for sustained throughput, the other a 20-core desktop part aimed at high-frequency responsiveness. The benchmark data reveals a clear split, with Intel dominating the Cinebench suite and single-threaded workloads, while AMD carves out a niche in specific server-oriented tasks. The overall win count favors Intel at 12 wins to AMD’s 5, but the margins and context of those wins tell a more nuanced story.

Head-to-Head Benchmarks

The most striking pattern in the data is Intel’s uniform 11.2% advantage across every single Cinebench test. In Cinebench R23 multicore, the Core Ultra 7 265F scores 41,980 against the EPYC 9124’s 37,269, and the single-core gap is equally consistent at 5,926 versus 5,261. This uniformity suggests a fundamental architectural edge rather than a workload-specific quirk, as the same 11.2% delta appears in R15, R20, and R23, for both multi-core and single-core runs.

Intel’s lead extends into PassMark’s floating-point math, where it posts 173,855 versus AMD’s 87,057 — a massive 49.9% margin that represents the largest single delta in the entire comparison. The Core Ultra 7 265F also dominates prime number finding (416 vs 256, a 38.5% gap) and single-thread performance (4,750 vs 2,719, a 42.8% advantage). These are not marginal differences; they indicate a processor that is simply operating on a different level for latency-sensitive, high-frequency tasks.

However, the EPYC 9124 fights back in areas that matter for server workloads. Its data compression score of 599,417 eclipses Intel’s 507,018 by 18.2%, and random string sorting shows a similar 18.8% advantage (74,177 vs 62,439). The AMD part also wins integer math by 7.8% (148,785 vs 138,078), extended instructions by 10.6% (43,380 vs 39,235), and physics by 15.4% (3,662 vs 3,172). These wins suggest that while Intel excels at raw computational throughput per clock, AMD’s architecture handles memory-bound and instruction-heavy workloads with greater efficiency.

The data encryption test is a closer contest, with Intel winning 39,468 to 36,078 (an 8.6% margin), and the overall PassMark multithread score favors Intel at 49,410 versus 43,846 (11.3% ahead). The average benchmark scores reflect this split: the EPYC 9124 averages 65,104, while the Core Ultra 7 265F averages 64,438, placing them within 1% of each other. This near-parity in aggregate, despite wildly different individual test results, underscores how much the workload mix determines which processor comes out ahead.

Architecture Differences

The two chips are built on fundamentally different foundations. The EPYC 9124 uses AMD’s Zen 4 architecture, codenamed Genoa, fabricated on TSMC’s 5 nm process with 26,280 million transistors spread across a 4x 72 mm² die configuration. The Core Ultra 7 265F, by contrast, uses Intel’s Arrow Lake architecture on a more advanced 3 nm TSMC node, with 17,800 million transistors on a single 243 mm² die. The process advantage is clear, but the transistor budget tells a different story — AMD packs nearly 50% more transistors overall.

Core configurations diverge sharply. The EPYC 9124 offers 16 cores and 32 threads, while the Core Ultra 7 265F provides 20 cores but only 20 threads — no simultaneous multithreading. This explains why Intel’s multicore wins are not larger given its core count advantage; AMD’s SMT helps it stay competitive in threaded workloads despite fewer physical cores. The cache hierarchy also differs dramatically: AMD provides 64 MB of shared L3 cache versus Intel’s 30 MB, and AMD’s per-core L1 and L2 caches (64 KB and 1 MB respectively) are smaller than Intel’s (192 KB and 3 MB per core). The larger per-core caches on Intel likely contribute to its single-thread dominance.

Memory infrastructure is another major differentiator. The EPYC 9124 supports twelve-channel DDR5 with a staggering 460.8 GB/s of memory bandwidth, while the Core Ultra 7 265F is limited to dual-channel with 102.4 GB/s. This 4.5x bandwidth advantage explains AMD’s wins in data compression and string sorting, which are often memory-bandwidth-bound. The EPYC also supports ECC memory and offers 128 PCIe Gen 5 lanes, versus the Intel part’s 20 lanes and no ECC support. These are not just spec sheet numbers — they define the intended usage scenarios. The EPYC 9124 is built for a server socket (AMD Socket SP5) with a 200W TDP, while the Core Ultra 7 265F targets desktop (Intel Socket 1851) with a remarkably low 65W TDP.

Where Each One Wins

The EPYC 9124’s wins cluster around tasks that stress memory subsystems and complex instruction streams. Data compression, random string sorting, integer math, and extended instructions all require sustained memory access and large working sets — areas where the twelve-channel memory bus and 64 MB L3 cache shine. The physics score win (15.4%) also indicates strong floating-point throughput in certain simulated scenarios, though this contrasts sharply with Intel’s 49.9% win in general floating-point math.

The Core Ultra 7 265F dominates everywhere else, particularly in anything that rewards high clock speeds. Its 5.30 GHz boost clock versus the EPYC’s 3.70 GHz is a 43% advantage, and this shows in the single-thread benchmarks where Intel wins by 42.8%. The Cinebench suite, which scales well with both cores and frequency, goes entirely to Intel despite AMD’s thread advantage — a signal of the efficiency of Arrow Lake’s per-core performance. Prime number finding, which is notoriously latency-sensitive, also heavily favors Intel.

For real-world usage, this means the EPYC 9124 is better suited for database workloads, compression pipelines, and virtualization environments where memory bandwidth and ECC reliability are paramount. The Core Ultra 7 265F excels at software compilation, content creation, and any desktop application where snappy single-threaded performance is noticeable. The data suggests AMD wins when the workload can utilize its massive memory bandwidth, while Intel wins when raw clock speed and per-core IPC are the limiting factors.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 265F has more cores at 20, but the AMD EPYC 9124 has more threads at 32 due to its 16-core design with simultaneous multithreading. Intel’s 20 threads match its core count exactly.

Q: How much faster is the Intel chip in single-threaded performance?

A: The Core Ultra 7 265F scores 4,750 in PassMark single-thread testing versus the EPYC 9124’s 2,719, a 42.8% advantage. This is consistent across all single-core benchmarks in the data.

Q: What explains AMD’s wins in data compression and string sorting?

A: The EPYC 9124’s twelve-channel memory bus provides 460.8 GB/s of bandwidth, compared to Intel’s dual-channel 102.4 GB/s. This 4.5x bandwidth advantage is the most likely driver of its 18.2% win in data compression and 18.8% win in random string sorting.

Q: Does the EPYC 9124 support ECC memory?

A: Yes, the EPYC 9124 supports ECC memory, while the Intel Core Ultra 7 265F does not. This makes the AMD part more suitable for error-sensitive server workloads.

Q: What is the launch MSRP of each processor?

A: The AMD EPYC 9124 has a launch MSRP of $1083, while the Intel Core Ultra 7 265F has a launch MSRP of $379.

Q: How do the average benchmark scores compare?

A: The EPYC 9124 averages 65,104 across its benchmark suite, while the Core Ultra 7 265F averages 64,438. This places them within 1% of each other in overall performance.

The Verdict

The data presents a clear choice based on workload profile. The Intel Core Ultra 7 265F is the better processor for anyone prioritizing single-threaded performance, high-frequency operations, and general desktop computing. It wins 12 of 17 head-to-head tests, including every Cinebench benchmark and the overall multithread score, and its 65W TDP makes it vastly more power-efficient than the EPYC’s 200W. The 42.8% single-thread advantage and 49.9% floating-point math lead are decisive for most consumer and professional desktop applications.

The AMD EPYC 9124, despite losing the overall benchmark count, demonstrates superiority in exactly the areas that matter for server infrastructure. Its 18.2% data compression win, 18.8% string sorting win, and 10.6% extended instructions win, combined with ECC memory support and 128 PCIe Gen 5 lanes, make it the right choice for database servers, storage systems, and virtualized environments. The 4.5x memory bandwidth advantage is not a trivial spec — it translates directly into measurable performance gains in memory-bound tasks.

The near-identical average benchmark scores (65,104 vs 64,438) and the 1% deltaPct between them in the rivals list suggest that neither processor is universally superior. The EPYC 9124’s 93rd percentile ranking matches the Intel part’s 93rd percentile, placing both in the top tier of available CPUs. A workstation user running encryption-heavy workloads might prefer Intel’s 8.6% edge in that area, while a data center operator running compression pipelines would clearly benefit from AMD’s 18.2% advantage. The verdict is not about which is faster overall, but which is faster for your specific application.

Specification Differences

The two processors differ in nearly every major specification category. The EPYC 9124 uses 16 cores and 32 threads, while the Core Ultra 7 265F uses 20 cores and 20 threads. Base clocks are 3.00 GHz for AMD versus 2.40 GHz for Intel, but boost clocks reverse the trend at 3.70 GHz versus 5.30 GHz. TDP is a major gap: 200W for the EPYC versus 65W for the Core Ultra.

The architectural split is equally stark: Zen 4 (Genoa) on a 5 nm process with 26,280 million transistors versus Arrow Lake on 3 nm with 17,800 million. Die size differs at 4x 72 mm² for AMD versus 243 mm² for Intel. Cache configurations diverge with AMD’s 64 MB L3 shared cache and per-core L1/L2 of 64 KB/1 MB, versus Intel’s 30 MB L3 and per-core L1/L2 of 192 KB/3 MB.

Memory support shows the EPYC’s server pedigree: twelve-channel DDR5 with 460.8 GB/s bandwidth and ECC support, versus dual-channel DDR5 at 102.4 GB/s with no ECC on the Intel part. PCIe lanes are 128 Gen 5 for AMD versus 20 Gen 5 for Intel. The EPYC has no integrated graphics, and the Core Ultra 7 265F also lists N/A for integrated graphics. Sockets are AMD Socket SP5 versus Intel Socket 1851, and release dates are 2022-11-09 for AMD versus 2025-01-06 for Intel. The EPYC 9124’s part number is 100-100000802, while the Core Ultra 7 265F’s is SRQCV. Both have locked multipliers, and both are currently in active production.