AMD EPYC 4124P vs Intel Xeon 6333P Comparison

Head-to-Head Benchmarks

The benchmark data reveals a clear split personality between these two server processors. The Intel Xeon 6333P wins 10 of the 17 recorded tests, while the AMD EPYC 4124P takes 7. However, the margins tell a more nuanced story than the raw win count.

The Intel part dominates the Cinebench suite entirely. Across all six Cinebench tests, the Xeon 6333P leads by a consistent margin of 2.3% to 2.8%. In Cinebench R15 multicore, the Intel scores 1574 against 1538 for the EPYC, a 2.3% advantage. Single-core R15 shows 222 versus 216, a 2.8% edge. The pattern repeats in R20 multicore (6559 vs 6410, 2.3%), R20 single-core (925 vs 904, 2.3%), R23 multicore (15617 vs 15264, 2.3%), and R23 single-core (2204 vs 2154, 2.3%). These are narrow but consistent wins, suggesting the Intel architecture holds a small but reliable performance edge in rendering workloads.

The Passmark suite paints a different picture. The Intel Xeon 6333P delivers its largest victory in floating point math, scoring 43801 against 31518 for the EPYC, a massive 39% lead. Integer math also favors Intel decisively: 61458 versus 52855, a 16.3% advantage. The physics test shows a 21.4% win for Intel (1320 vs 1087), and the multithread score edges out AMD by 1.3% (18374 vs 18139).

The AMD EPYC 4124P counters with equally significant wins in specific areas. Extended instructions show the largest AMD margin: 15049 versus 13039, a 13.4% lead. Single-thread performance favors AMD by 11.5% in both the single_thread and singlethread tests (3897 vs 3450). Random string sorting goes to AMD by 9.3% (24259 vs 22010). Data compression shows a 2.5% AMD edge (204926 vs 199886), and data encryption favors AMD by 5.2% (11630 vs 11025). Prime number finding is close but favors AMD: 89 versus 83, a 6.7% margin.

The average benchmark scores place these chips nearly level. The Intel Xeon 6333P posts an average benchmark score of 23823, while the AMD EPYC 4124P averages 23167. Both sit at the 76th percentile among all CPUs in the database. The nearest rivals for the Intel part include the Intel Core i5-11500 (average 23718, delta 0.4%), AMD Ryzen 5 PRO 8540U (23709, delta 0.5%), AMD Ryzen 7 8840U (23982, delta -0.7%), and AMD Ryzen 5 8600G (24089, delta -1.1%). The EPYC 4124P sits near the Intel Core Ultra 9 288V (23219, delta -0.2%), Intel Core i9-11900F (23254, delta -0.4%), AMD Ryzen 7 5800H (23277, delta -0.5%), and Intel Core Ultra 7 266V (23297, delta -0.6%). These rival comparisons confirm both processors occupy the same overall performance tier, with neither holding a commanding aggregate lead.

Architecture Differences

The two processors come from fundamentally different design philosophies. The Intel Xeon 6333P uses Raptor Lake architecture, specifically the Raptor Lake-R variant, on a 10 nm process node fabricated by Intel. The AMD EPYC 4124P uses Zen 4 architecture, codenamed Raphael, on a 5 nm process node fabricated by TSMC. The AMD part integrates 6,570 million transistors on a 71 mm² die, while the Intel die measures 163 mm².

Core counts differ substantially. The Intel Xeon 6333P packs 6 cores and 12 threads, while the AMD EPYC 4124P offers 4 cores and 8 threads. Despite having fewer cores, the AMD chip clocks higher at base: 3.80 GHz versus 3.10 GHz for Intel. The boost clocks are closer, with Intel reaching 5.20 GHz and AMD reaching 5.10 GHz. Both parts carry a 65 W TDP.

Cache hierarchies reflect different strategies. The Intel processor allocates 80 KB of L1 per core, 1.25 MB of L2 per core, and 18 MB of shared L3. The AMD design uses 64 KB of L1 per core, 1 MB of L2 per core, and a larger 32 MB of shared L3. The larger L3 pool on the EPYC likely contributes to its leads in data-centric workloads like compression and sorting.

Memory support diverges clearly. The Intel Xeon 6333P supports both DDR4 and DDR5 over a dual-channel bus, while the AMD EPYC 4124P supports only DDR5, also dual-channel. The AMD part lists a memory bandwidth of 83.2 GB/s; no equivalent figure appears for the Intel chip. Both support ECC memory, appropriate for their server/workstation market segment.

PCIe connectivity favors AMD. The EPYC 4124P provides Gen 5 with 28 lanes (CPU only), while the Intel Xeon 6333P provides Gen 5 with 16 lanes (CPU only). The AMD processor also includes integrated Radeon Graphics, whereas the Intel part lists no integrated graphics. Socket platforms differ completely: Intel uses Socket 1700, and AMD uses Socket AM5.

The Verdict

The data supports a straightforward conclusion: choose the Intel Xeon 6333P for compute-heavy workloads, and choose the AMD EPYC 4124P for data manipulation and single-threaded tasks. The Intel part wins the Cinebench rendering suite across the board and dominates floating point math by 39%, integer math by 16.3%, and physics by 21.4%. These are large margins in core computational areas.

The AMD EPYC 4124P offers compelling advantages in other domains. Its 13.4% lead in extended instructions, 11.5% lead in single-thread performance, and 9.3% lead in random string sorting make it the better option for workloads that depend on instruction-level efficiency and data organization. The 5.2% encryption advantage and 2.5% compression advantage reinforce this profile.

The average benchmark scores are close enough that neither part represents a dominant overall choice. The Intel Xeon 6333P averages 23823 across all benchmarks, and the AMD EPYC 4124P averages 23167, a gap of roughly 2.8%. Both sit at the 76th percentile. The decision should hinge on workload type rather than general-purpose performance.

Specification Differences

The two processors differ across nearly every major specification category. The Intel Xeon 6333P uses 6 cores with 12 threads, while the AMD EPYC 4124P uses 4 cores with 8 threads. Base clocks favor AMD at 3.80 GHz versus 3.10 GHz, while boost clocks favor Intel at 5.20 GHz versus 5.10 GHz. Both run at 65 W TDP.

Architecture separates them completely: Intel uses Raptor Lake (Raptor Lake-R) on a 10 nm Intel process, and AMD uses Zen 4 (Raphael) on a 5 nm TSMC process. The AMD die measures 71 mm² with 6,570 million transistors, while the Intel die measures 163 mm² with no transistor count recorded.

Cache layouts differ in both size and distribution. Intel provides 80 KB L1 per core, 1.25 MB L2 per core, and 18 MB shared L3. AMD provides 64 KB L1 per core, 1 MB L2 per core, and 32 MB shared L3. Memory support shows Intel accepting both DDR4 and DDR5, while AMD accepts only DDR5; both use dual-channel buses. The AMD part records 83.2 GB/s memory bandwidth, while Intel records none.

PCIe lane counts favor AMD: 28 Gen 5 lanes versus 16 Gen 5 lanes. Integrated graphics appear only on the AMD part (Radeon Graphics). The Intel chip uses Socket 1700, and the AMD chip uses Socket AM5. Release dates differ by roughly nine months: the Intel part launched on 2025-02-23, and the AMD part on 2024-05-20. The launch MSRP for the Intel Xeon 6333P is $319, and for the AMD EPYC 4124P it is $149.

FAQ

Q: Which processor is faster in multi-core rendering?

A: The Intel Xeon 6333P wins all three Cinebench multicore tests. In R15, it scores 1574 versus 1538. In R20, it scores 6559 versus 6410. In R23, it scores 15617 versus 15264. Each win is a 2.3% margin.

Q: Which processor has better single-thread performance?

A: The AMD EPYC 4124P wins the Passmark single-thread tests with a score of 3897 versus 3450 for Intel, an 11.5% advantage. However, the Intel Xeon 6333P wins all three Cinebench single-core tests with margins of 2.3% to 2.8%.

Q: How do the core counts compare?

A: The Intel Xeon 6333P has 6 cores and 12 threads, while the AMD EPYC 4124P has 4 cores and 8 threads. The Intel part also has a higher boost clock at 5.20 GHz versus 5.10 GHz.

Q: Which processor has more cache?

A: The AMD EPYC 4124P has 32 MB of shared L3 cache, compared to 18 MB on the Intel Xeon 6333P. The Intel part has larger per-core L1 and L2 caches: 80 KB and 1.25 MB per core respectively, versus 64 KB and 1 MB per core on AMD.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Xeon 6333P and the AMD EPYC 4124P support ECC memory. The Intel part supports both DDR4 and DDR5, while the AMD part supports only DDR5.

Q: Which processor has more PCIe lanes?

A: The AMD EPYC 4124P provides 28 Gen 5 lanes (CPU only), while the Intel Xeon 6333P provides 16 Gen 5 lanes (CPU only).

Where Each One Wins

The Intel Xeon 6333P wins in compute-intensive workloads. The 39% lead in floating point math (43801 vs 31518) makes it the clear choice for scientific computing, simulation, and any workload dominated by floating-point operations. The 16.3% integer math advantage (61458 vs 52855) extends this to general computational tasks. The 21.4% physics test win (1320 vs 1087) suggests stronger performance in physics simulation workloads. The complete Cinebench sweep, including the 2.3% multicore margins across all three versions, indicates better rendering performance. The 1.3% multithread edge (18374 vs 18139) confirms slightly better overall throughput.

The AMD EPYC 4124P wins in data-centric and single-threaded workloads. The 13.4% extended instructions lead (15049 vs 13039) points to better performance with specialized instruction sets. The 11.5% single-thread advantage (3897 vs 3450) makes it the better choice for lightly threaded applications. The 9.3% random string sorting win (24259 vs 22010) indicates faster data organization and sorting tasks. The 5.2% data encryption advantage (11630 vs 11025) suits security and encryption workloads. The 2.5% data compression edge (204926 vs 199886) helps with archiving and compression tasks. The 6.7% prime number finding win (89 vs 83) reinforces its strength in integer-heavy algorithmic work.

For server deployments, the choice depends on the workload mix. The Intel Xeon 6333P suits compute nodes, rendering farms, and physics simulation. The AMD EPYC 4124P suits database servers, encryption gateways, and single-threaded application servers. The larger 32 MB L3 cache on the AMD part likely contributes to its data workload wins, while the Intel part's higher core count and boost clock drive its compute advantages. Both processors sit at the 76th percentile, and the average scores differ by only about 2.8%, so the deciding factor should always be the specific workload profile.