AMD EPYC 7763 vs Intel Xeon 6741P Comparison

Intel Xeon 6741P and AMD EPYC 7763 represent two distinct eras of server silicon, with the former launching in 2025 on Intel’s Granite Rapids architecture and the latter debuting in 2021 on AMD’s Zen 3 Milan design. The benchmark data reveals a generational shift: the Intel part wins 14 of 17 head-to-head tests, yet the AMD chip carves out specific niches where its older architecture remains competitive. This analysis examines where each processor dominates, what the architectural differences imply, and which workloads favor which silicon.

Head-to-Head Benchmarks

The most striking pattern is the consistency of Intel’s victory margin across Cinebench tests. In Cinebench R15, R20, and R23, the Xeon 6741P beats the EPYC 7763 by exactly 19% in both single-core and multi-core runs. For instance, the Xeon scores 8,624 in Cinebench R15 multi-core versus 7,247 for the EPYC, while in R23 single-core the gap is 12,079 to 10,150. This uniformity suggests a fundamental clock-for-clock efficiency advantage rather than a workload-specific quirk.

PassMark’s multi-thread test reinforces the same 19% delta, with the Xeon posting 100,660 against 84,591. The single-thread PassMark result is even more lopsided: 3,195 versus 2,518, a 26.9% lead for Intel. This is notable because the EPYC 7763 has 64 cores to the Xeon’s 48, yet Intel still wins multi-threaded workloads by a wide margin — a signal of the Granite Rapids design’s per-core throughput.

The largest Intel victories come in specialized math workloads. PassMark’s find prime numbers test shows an 85.9% advantage (1,242 vs 668), while physics simulation scores 80.2% higher (13,890 vs 7,708). Extended instructions also favor Intel heavily at 45.2% (142,682 vs 98,294), and floating-point math shows a 24.5% edge (358,423 vs 287,919). These results indicate that Intel’s newer architecture handles complex arithmetic and instruction extensions far more efficiently.

AMD’s three wins are concentrated in memory and integer-heavy tasks. The EPYC 7763 leads PassMark data encryption by a massive margin: 121,001 versus 89,746, a 25.8% difference in AMD’s favor. Integer math also goes to AMD at 516,920 versus 458,058 (11.4% ahead), and random string sorting is a narrow 2.9% win (182,676 vs 177,322). These are the only areas where the older Zen 3 design outperforms, suggesting AMD’s core layout has specific strengths in certain data manipulation routines.

The Verdict

The data clearly favors the Intel Xeon 6741P for general-purpose server workloads. Its 19% lead across all Cinebench versions and PassMark multi-thread tests means that any application leveraging standard rendering, simulation, or compilation tasks will see substantial gains. The 26.9% single-thread advantage is particularly important for latency-sensitive workloads that cannot fully utilize many cores.

However, the AMD EPYC 7763 remains the choice for encryption-heavy environments. The 25.8% lead in data encryption is not marginal — it suggests hardware-accelerated crypto paths or a more efficient implementation for that specific instruction set. Similarly, integer math and string sorting wins, while smaller, indicate that databases or data-processing pipelines with heavy integer operations might still prefer the Milan architecture.

For new deployments, the Xeon 6741P’s 14-3 win record and higher average benchmark score (194,901 vs 179,916) make it the default recommendation. The EPYC 7763’s 98th percentile versus Intel’s 99th percentile ranking among all CPUs underscores this hierarchy. Yet the AMD part’s specific victories mean it is not obsolete — it just serves a narrower purpose.

Architecture Differences

The two processors come from fundamentally different design philosophies. Intel’s Granite Rapids uses a 5 nm process fabricated in-house, while AMD’s Zen 3 Milan relies on TSMC’s 7 nm node. This process advantage likely contributes to Intel’s higher boost clock of 3.80 GHz versus 3.50 GHz and its superior per-core performance.

Cache layouts diverge sharply. The Xeon 6741P provides 112 KB of L1 per core, 2 MB of L2 per core, and a 288 MB shared L3. The EPYC 7763 counters with 64 KB L1, 512 KB L2, and 256 MB L3. Intel’s larger L1 and four-times-larger L2 per core explain its dominance in single-threaded and lightly-threaded tests, as more data can reside closer to the execution units.

Memory architecture also differs by generation. The Intel part supports DDR5 with an eight-channel bus delivering 409.6 GB/s bandwidth, double the EPYC’s DDR4 throughput of 204.8 GB/s. This bandwidth advantage likely fuels the Xeon’s wins in floating-point math and extended instructions, which are often memory-bound. PCIe connectivity also advances: Intel offers Gen 5 with 136 lanes versus AMD’s Gen 4 with 128 lanes, giving the newer part both more bandwidth and more expansion capacity.

Die packaging reveals another contrast. Intel uses two 598 mm² dies, while AMD employs eight 81 mm² chiplets. AMD’s design allows for the 64-core count, but Intel’s monolithic-per-die approach with fewer, larger cores appears to deliver better performance per thread. The AMD part lists 33,200 million transistors across its chiplets; Intel does not disclose transistor counts.

Specification Differences

The most obvious divergence is core count: AMD fields 64 cores and 128 threads, while Intel offers 48 cores and 96 threads. Despite having 33% fewer cores, Intel wins multi-threaded benchmarks by 19%, indicating a massive IPC advantage. Base clocks are nearly identical (2.50 GHz Intel vs 2.45 GHz AMD), but boost clocks favor Intel at 3.80 GHz versus 3.50 GHz.

Power envelopes are close but not equal: Intel’s TDP is 300 W versus AMD’s 280 W. Both support eight-channel memory and ECC, but memory types differ (DDR5 vs DDR4) with the bandwidth disparity noted above. Sockets are incompatible (Intel Socket 4710 vs AMD Socket SP3), and process nodes differ (5 nm vs 7 nm). Release dates are four years apart — February 2025 versus March 2021 — which explains the architectural gap. Intel’s launch MSRP is $4,421; AMD’s was $7,890. Both processors remain in active production.

FAQ

Q: Which processor has more cores and threads?

A: The AMD EPYC 7763 has 64 cores and 128 threads, while the Intel Xeon 6741P has 48 cores and 96 threads.

Q: Why does the Intel chip win multi-threaded tests despite fewer cores?

A: The Xeon 6741P beats the EPYC 7763 by 19% in all Cinebench multi-core tests and PassMark multi-thread, due to higher boost clocks (3.80 vs 3.50 GHz) and larger per-core caches (2 MB L2 vs 512 KB).

Q: What is the largest performance gap between the two?

A: PassMark find prime numbers shows an 85.9% advantage for Intel, with physics simulation close behind at 80.2%. AMD’s largest win is data encryption at 25.8%.

Q: Does AMD win any benchmarks?

A: Yes, AMD wins three tests: data encryption (121,001 vs 89,746), integer math (516,920 vs 458,058), and random string sorting (182,676 vs 177,322).

Q: What memory types do they support?

A: Intel uses DDR5 with 409.6 GB/s bandwidth, while AMD uses DDR4 with 204.8 GB/s. Both have eight-channel memory buses and ECC support.

Q: How do their average benchmark scores compare?

A: Intel’s average benchmark score is 194,901, placing it in the 99th percentile, while AMD’s is 179,916, in the 98th percentile.

Where Each One Wins

The Intel Xeon 6741P is the clear choice for computationally intensive workloads that dominate modern server fleets. Its 19% multi-core advantage across all Cinebench versions means rendering, video encoding, and scientific simulation will complete noticeably faster. The 26.9% single-thread lead benefits web servers, database query processing, and any application with serial bottlenecks. The 45.2% edge in extended instructions and 24.5% in floating-point math make it superior for AI inference, financial modeling, and engineering software. With double the memory bandwidth (409.6 vs 204.8 GB/s), it also handles large in-memory datasets more effectively.

The AMD EPYC 7763 retains relevance in three specific domains. Data encryption is its strongest suit, with a 25.8% lead that suggests hardware acceleration for cryptographic workloads — critical for VPNs, secure communication gateways, and storage encryption. The 11.4% integer math advantage points to applications like compression algorithms or hash-based data structures. Random string sorting’s 2.9% edge, while small, could matter for text-processing pipelines or natural language workloads. Organizations with existing SP3 infrastructure and DDR4 memory investments might also find the older platform cost-effective, though pricing cannot be discussed here.

In summary, the Xeon 6741P is the superior all-round processor, winning 14 of 17 benchmarks with an average score 8.3% higher. The EPYC 7763’s three wins are narrow enough that only specialized encryption or integer-heavy workloads justify choosing it over the newer Intel part. For most users, the data points decisively toward Intel’s Granite Rapids design.