AMD EPYC 9015 vs Intel Core i9-14900HX Comparison

The Intel Core i9-14900HX and the AMD EPYC 9015 occupy opposite ends of the computing spectrum, yet both rank within the top tenth of all processors tested. The Intel part, a mobile flagship with 24 cores, achieves an average benchmark score of 56,004, placing it in the 91st percentile. The AMD EPYC 9015, a server processor with just 8 cores, scores higher on average at 57,555, landing in the 92nd percentile. This statistical proximity, however, masks a fundamental divergence in workload capability. The data shows the Core i9-14900HX wins 9 of 11 head-to-head tests, while the EPYC 9015 takes 2, indicating that raw core count dominates most measured metrics, but the EPYC’s architectural efficiency wins specific workloads. The following analysis breaks down where each processor excels, using only the benchmark data provided.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD EPYC 9015 has a higher average benchmark score of 57,555, compared to the Intel Core i9-14900HX’s 56,004. This represents a difference of roughly 2.8% in favor of the EPYC.

Q: How large is the Core i9-14900HX’s lead in multi-threaded performance?

A: In the PassMark multithread test, the Intel Core i9-14900HX scores 43,778, which is 42.7% higher than the EPYC 9015’s 30,689. This is a decisive win for the Intel processor.

Q: Does the EPYC 9015 win any benchmark tests?

A: Yes, the AMD EPYC 9015 wins two tests. It scores 304 in PassMark find prime numbers, which is 36.5% better than Intel’s 193, and it scores 2,893 in PassMark physics, which is 8.8% higher than Intel’s 2,638.

Q: What is the difference in single-thread performance?

A: The Intel Core i9-14900HX leads in PassMark single-thread performance with a score of 4,175, which is 27.9% higher than the EPYC 9015’s 3,265. This is one of the largest per-core deltas in the comparison.

Q: How do the two processors compare in memory bandwidth potential?

A: The AMD EPYC 9015 features a twelve-channel memory bus with a supported bandwidth of 576.0 GB/s, while the Intel Core i9-14900HX uses a dual-channel bus with no listed bandwidth figure. The EPYC’s channel count indicates a vastly larger memory pipeline.

Q: Do both processors have the same L3 cache size?

A: No. The AMD EPYC 9015 has 64 MB of shared L3 cache, while the Intel Core i9-14900HX has 36 MB of shared L3 cache. The EPYC offers nearly double the L3 capacity.

Architecture Differences

The architectural split between these two chips is stark. The Intel Core i9-14900HX is built on Intel’s Raptor Lake architecture, using a 10 nm process node manufactured by Intel. It features a hybrid design with 24 cores and 32 threads, which implies a mix of performance and efficiency cores, though the data does not specify the exact split. Its die size is 257 mm², and it has a TDP of 55 watts, fitting its mobile market segment. The cache hierarchy includes 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. It supports both DDR4 and DDR5 memory over a dual-channel bus, and it includes integrated UHD Graphics 770.

Conversely, the AMD EPYC 9015 is a server-focused part built on the Zen 5 architecture, codenamed Turin, using a 4 nm process node from TSMC. It has 8 cores and 16 threads, with a base clock of 3.60 GHz and a boost clock of 4.10 GHz. The chip is composed of two chiplets, each 70.6 mm², totaling 16,630 million transistors. Its TDP is 125 watts, more than double the Intel part. The cache design differs significantly: L1 is the same 80 KB per core, but L2 drops to 1 MB per core, while L3 expands to 64 MB shared. It supports only DDR5 memory, but over a twelve-channel bus with a peak bandwidth of 576.0 GB/s. The EPYC also offers 128 PCIe Gen 5 lanes, compared to Intel’s 16 lanes. Crucially, the EPYC has no integrated graphics.

The foundry and process differences are notable: Intel uses its own 10 nm process, while AMD uses TSMC’s 4 nm node. This likely contributes to the EPYC’s higher clock-for-clock efficiency, as evidenced by its physics test win despite having a third of the cores. The Intel part has a higher boost clock (5.80 GHz vs 4.10 GHz) and a lower base clock (2.20 GHz vs 3.60 GHz), indicating a design tuned for bursty, high-frequency workloads. The EPYC’s higher base clock and lower boost clock suggest sustained throughput is the priority.

Head-to-Head Benchmarks

The benchmark results heavily favor the Intel Core i9-14900HX in raw computational throughput, but the EPYC 9015 demonstrates superior performance in specific algorithmic tasks. Starting with the largest Intel wins, the PassMark integer math test shows the Core i9-14900HX scoring 157,375 against the EPYC’s 92,524, a 70.1% advantage. This is a massive gap, driven by the Intel part’s 24 cores versus 8. Similarly, in floating-point math, Intel leads with 112,273 versus 61,615, an 82.2% margin. These two tests account for the bulk of the average score difference.

In data encryption, the Core i9-14900HX scores 32,619, which is 83.4% higher than the EPYC’s 17,790. This is the largest percentage delta in the entire comparison, suggesting the Intel architecture’s encryption instructions are significantly more efficient or its core count overwhelms the EPYC’s per-core capabilities. Data compression shows a similar trend, with Intel at 539,965 versus 353,014, a 53% lead. The multithread test, which often correlates with real-world productivity, shows Intel at 43,778, a 42.7% win over the EPYC’s 30,689.

Single-thread performance also favors Intel decisively. The PassMark single-thread score is 4,175 for Intel versus 3,265 for AMD, a 27.9% lead. This is surprising given the EPYC’s newer Zen 5 architecture and higher base clock, but the Intel part’s 5.80 GHz boost clock likely explains the advantage. The extended instructions test is closer, with Intel at 31,247 versus 27,970, an 11.7% lead, indicating the EPYC’s newer instruction set partially closes the gap. Random string sorting shows Intel at 60,861 versus 39,772, a 53% win, reinforcing the multithreaded dominance.

The AMD EPYC 9015’s two wins are instructive. In find prime numbers, the EPYC scores 304, which is 36.5% better than Intel’s 193. This test often rewards per-core integer throughput and cache efficiency, where the EPYC’s Zen 5 cores and 64 MB L3 cache excel. In physics, the EPYC scores 2,893 versus 2,638, an 8.8% lead. This suggests the EPYC’s architecture handles physics simulations more efficiently per core, even with fewer threads available. These wins, while narrow, show that the EPYC is not universally slower despite the core deficit.

Specification Differences

The specification table highlights the fundamental divergence in design philosophy. The Intel Core i9-14900HX has 24 cores and 32 threads, while the AMD EPYC 9015 has 8 cores and 16 threads. The Intel part’s base clock is 2.20 GHz, far below the EPYC’s 3.60 GHz, but its boost clock is 5.80 GHz, well above the EPYC’s 4.10 GHz. Thermal design power differs dramatically: the Intel chip is rated at 55 watts, while the AMD chip is rated at 125 watts. The socket types are incompatible: Intel uses BGA 1964, while AMD uses Socket SP5.

The process node is a key differentiator: Intel uses a 10 nm process, while AMD uses a 4 nm process from TSMC. This explains the transistor count discrepancy: the EPYC has 16,630 million transistors across two 70.6 mm² dies, while the Intel part has a single 257 mm² die with no listed transistor count. Cache configurations differ in L2 and L3: Intel has 2 MB L2 per core and 36 MB L3 shared, while AMD has 1 MB L2 per core and 64 MB L3 shared. Both share the same 80 KB L1 per core.

Memory support diverges sharply. Intel supports both DDR4 and DDR5 over a dual-channel bus, with no bandwidth figure listed. AMD supports only DDR5, but over a twelve-channel bus with a specified bandwidth of 576.0 GB/s. PCIe lanes are another major split: Intel offers 16 Gen 5 lanes, while AMD offers 128 Gen 5 lanes. Integrated graphics are present on the Intel part (UHD Graphics 770) and absent on the AMD part. Finally, the Intel multiplier is unlocked, while the AMD multiplier is locked, and the AMD part has a launch MSRP of $527, while the Intel part has no listed MSRP.

The Verdict

The data points to a clear conclusion: the Intel Core i9-14900HX is the superior choice for multi-threaded, high-frequency workloads that dominate consumer and mobile computing. Its 42.7% lead in multithread tests, 70.1% lead in integer math, and 82.2% lead in floating-point math make it the definitive performer for rendering, compilation, and general productivity. The 27.9% single-thread advantage further cements its position for responsiveness and lightly-threaded applications. Any user prioritizing raw speed across a broad spectrum of tasks should select the Intel part, especially given its 55-watt TDP, which enables deployment in mobile form factors.

The AMD EPYC 9015, however, is not without merit. Its wins in find prime numbers (36.5% better) and physics (8.8% better) indicate that its Zen 5 cores are more efficient per thread for certain mathematical and simulation workloads. Its 64 MB L3 cache and twelve-channel memory bus with 576.0 GB/s bandwidth provide a memory subsystem that the Intel part cannot match, making it suitable for server environments where memory density and bandwidth are critical. The 128 PCIe Gen 5 lanes also offer vastly superior I/O expandability.

For a buyer choosing between these two, the decision rests on the workload. The data shows the Intel Core i9-14900HX wins 9 of 11 tests, including all major throughput benchmarks, and should be the pick for anyone needing maximum compute power in a mobile or compact system. The AMD EPYC 9015, despite losing most tests, offers a higher average benchmark score (57,555 vs 56,004) and wins the specific tests where its architectural strengths shine. It is the correct choice for server workloads prioritizing per-core efficiency, memory bandwidth, and PCIe capacity over raw core count. The benchmark results are unambiguous: pick the Intel for speed, the AMD for scalability and specific server tasks.