AMD EPYC 7302 vs Intel Xeon Gold 5320T Comparison

# Intel Xeon Gold 5320T vs AMD EPYC 7302

The Intel Xeon Gold 5320T and AMD EPYC 7302 are both active server/workstation processors, yet they represent fundamentally different design eras. The Intel part, built on a 10 nm Ice Lake-SP process, pairs 20 cores with 40 threads and a 2.30 GHz base clock, while the AMD EPYC 7302, from the Zen 2 Rome family, uses a 7 nm TSMC process to deliver 16 cores and 32 threads at a higher 3.00 GHz base clock. Benchmark data from Cinebench reveals a remarkably consistent pattern: the Intel Xeon Gold 5320T wins all six head-to-head comparisons, but by margins that never exceed 2.2%, suggesting the two chips are far closer in practical performance than their core counts might imply. The EPYC 7302 does counter with a larger total L3 cache of 128 MB versus 30 MB, double the PCIe lanes at 128 Gen 4 lanes, and slightly higher memory bandwidth, which raises the question of whether raw compute or platform throughput matters more for specific workloads.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon Gold 5320T has 20 cores and 40 threads, while the AMD EPYC 7302 has 16 cores and 32 threads. Despite the Intel chip's 4-core advantage, its performance lead over the EPYC in multi-core tests is only around 2.2%.

Q: How do the base and boost clocks compare?

A: The AMD EPYC 7302 has a higher base clock of 3.00 GHz versus 2.30 GHz for the Intel, but the Intel Xeon Gold 5320T boosts higher at 3.50 GHz compared to the EPYC's 3.30 GHz. This means the AMD chip runs faster at stock settings, while the Intel chip has more headroom under turbo.

Q: What is the difference in cache sizes between the two?

A: The AMD EPYC 7302 features a substantial 128 MB total L3 cache (32 MB per die across four dies), while the Intel Xeon Gold 5320T has a shared 30 MB L3 cache. Both have 64 KB of L1 per core, but the Intel part has 1 MB L2 per core versus 512 KB per core on the EPYC.

Q: Which processor supports more PCIe lanes?

A: The AMD EPYC 7302 offers 128 Gen 4 lanes (CPU only), which is double the 64 Gen 4 lanes available on the Intel Xeon Gold 5320T. This makes the EPYC more suited for heavily populated I/O environments like large storage arrays or multi-GPU systems.

Q: How do the single-core scores compare in Cinebench R23?

A: The Intel Xeon Gold 5320T scores 4059 in Cinebench R23 single-core, versus 3972 for the AMD EPYC 7302, a 2.2% advantage for Intel. In absolute terms, this difference is small and likely imperceptible in real-world single-threaded tasks.

Q: What are the release dates and process nodes for each chip?

A: The AMD EPYC 7302 was released on August 6, 2019, using a 7 nm process from TSMC, while the Intel Xeon Gold 5320T arrived later on April 5, 2021, on Intel's 10 nm node. The EPYC also has a launch MSRP of $978, while no launch MSRP is listed for the Intel part.

Architecture Differences

The architectural split between these two processors is stark. The Intel Xeon Gold 5320T is built on the Ice Lake-SP architecture, a 10 nm process from Intel's own foundry, marking a shift to a new socket (Intel Socket 4189) and a monolithic die design with 20 cores. The AMD EPYC 7302, in contrast, uses the Zen 2 architecture on a 7 nm process from TSMC, arranged as a chiplet-based design with four dies, each containing 8 cores and 32 MB of L3 cache. This chiplet approach yields a total of 128 MB L3, far exceeding Intel's 30 MB shared cache, and explains the EPYC's transistor count of 15,200 million across four 74 mm² dies.

Cache hierarchies also diverge. Both chips use 64 KB of L1 per core, but Intel allocates 1 MB of L2 per core versus AMD's 512 KB, giving the Intel part a per-core L2 advantage that may benefit latency-sensitive workloads. The L3 situation reverses dramatically: Intel shares 30 MB across all 20 cores, while AMD spreads 32 MB per die, with the total 128 MB accessible via the Infinity Fabric. Memory support is similar in generation (both DDR4) and channel count (eight-channel), but the EPYC 7302 edges out with 204.8 GB/s bandwidth versus 191.6 GB/s for Intel. PCIe connectivity also favors AMD: 128 Gen 4 lanes versus 64, which is a critical differentiator for server I/O density.

The process node gap (7 nm versus 10 nm) is reflected in the transistor counts and die area, though the Intel part compensates with higher boost clocks (3.50 GHz versus 3.30 GHz) and more cores. Notably, both processors have ECC memory support, no integrated graphics, and locked multipliers, targeting the same server/workstation market segment.

Where Each One Wins

The Intel Xeon Gold 5320T wins every single benchmark in the head-to-head comparison, but the margins are narrow. Its strengths lie in multi-threaded rendering and compute tasks where 20 cores and 40 threads can be fully utilized. The Cinebench R23 multi-core score of 28753 versus 28140 for the EPYC suggests Intel holds a slight edge in heavily parallel workloads like video rendering or scientific simulation. The single-core wins (e.g., 4059 vs 3972 in R23) are also consistent, indicating that Intel's higher boost clock of 3.50 GHz gives it an edge in lightly threaded applications such as legacy database queries or single-threaded scripting.

The AMD EPYC 7302, despite losing all benchmarks, carves out a win in platform-level capabilities. Its 128 MB L3 cache and 128 PCIe Gen 4 lanes make it a stronger choice for memory-bandwidth-hungry workloads like in-memory databases or for systems requiring many NVMe drives or GPUs. The higher base clock of 3.00 GHz also means the EPYC delivers consistent performance without relying on turbo boost, which could be beneficial in power-constrained environments where sustained all-core operation matters. The 204.8 GB/s memory bandwidth, while only 6.9% higher than Intel's, could tip the scales in data-intensive tasks that saturate memory channels.

In essence, Intel wins on compute performance, however marginally, while AMD wins on I/O expansion and cache capacity. For a dual-socket server packed with storage controllers, the EPYC's lane count is compelling; for a compute node focused purely on CPU throughput, the Intel part edges ahead.

Specification Differences

The table below highlights only the fields where the two processors differ, based on the data available:

| Field | Intel Xeon Gold 5320T | AMD EPYC 7302 |

|-------|----------------------|---------------|

| Cores | 20 | 16 |

| Threads | 40 | 32 |

| Base Clock | 2.30 GHz | 3.00 GHz |

| Boost Clock | 3.50 GHz | 3.30 GHz |

| TDP | 150 W | 155 W |

| Socket | Intel Socket 4189 | AMD Socket SP3 |

| Architecture | Ice Lake | Zen 2 |

| Codename | Ice Lake-SP | Rome |

| Generation | Xeon Gold (Ice Lake-SP) | EPYC (Zen 2 (Rome)) |

| Process Node | 10 nm | 7 nm |

| Foundry | Intel | TSMC |

| Transistors | Not listed | 15,200 million |

| Die Size | Not listed | 4x 74 mm² |

| L2 Cache | 1 MB (per core) | 512 KB (per core) |

| L3 Cache | 30 MB (shared) | 32 MB (per die), 128 MB total |

| Memory Bandwidth | 191.6 GB/s | 204.8 GB/s |

| PCIe | Gen 4, 64 Lanes (CPU only) | Gen 4, 128 Lanes (CPU only) |

| Release Date | 2021-04-05 | 2019-08-06 |

| Launch MSRP | Not listed | $978 |

| Part Number | Not listed | 100-000000043 |

Both chips share DDR4 memory support, eight-channel memory buses, ECC support, no integrated graphics, the server/workstation market segment, active production status, and locked multipliers.

Head-to-Head Benchmarks

The Cinebench suite paints a consistent picture of Intel dominance, albeit by the slimmest of margins. In Cinebench R15 multi-core, the Intel Xeon Gold 5320T scores 2898 against 2836 for the AMD EPYC 7302, a 2.2% lead. The single-core R15 result is similar: 408 versus 400, a 2.0% advantage. Moving to Cinebench R20, the Intel chip again takes multi-core with 12076 vs 11818 (2.2%) and single-core with 1704 vs 1668 (also 2.2%). The most telling results come from Cinebench R23, the newest workload: multi-core scores of 28753 for Intel versus 28140 for AMD show a 2.2% gap, while single-core 4059 vs 3972 repeats the exact same 2.2% delta.

The uniformity of these margins is striking. Every multi-core test shows exactly 2.2% difference, and single-core tests hover between 2.0% and 2.2%. This suggests the performance gap is systemic — likely stemming from Intel's 20-core advantage in multi-threaded tests and its 3.50 GHz boost clock in single-threaded tests. The EPYC's higher base clock (3.00 GHz) does not translate into wins because the Intel chip's turbo headroom appears to be more effective in short-duration bursts. The data also reveals that the EPYC's larger L3 cache (128 MB) does not compensate for its 4-core deficit in these rendering workloads, which are compute-bound rather than cache-bound.

In absolute terms, the Intel Xeon Gold 5320T's average benchmark score of 8316 sits just above the EPYC 7302's 8139, a 2.2% difference that aligns with the head-to-head results. Both chips rank in the 64th percentile of all CPUs, placing them in the same performance tier despite their architectural differences.

The Verdict

From the data, the Intel Xeon Gold 5320T is the outright winner on compute performance, taking all six benchmark comparisons with a consistent 2.2% lead over the AMD EPYC 7302. Its 20 cores and 40 threads provide a clear advantage in multi-threaded rendering, and the higher 3.50 GHz boost clock secures single-thread wins. For workloads like Cinebench rendering, video encoding, or batch processing, the Intel chip is the safer pick based on the benchmark evidence.

However, the AMD EPYC 7302 should not be dismissed. Its 128 MB L3 cache and 128 PCIe Gen 4 lanes offer a platform advantage that no benchmark in this dataset captures. In scenarios involving large in-memory datasets, extensive NVMe storage, or multiple GPU accelerators, the EPYC's I/O capacity and bandwidth could prove more valuable than a 2.2% CPU score difference. The higher 3.00 GHz base clock also means the EPYC delivers its performance without relying on turbo boost, which may be preferable for consistent, predictable operation in dense server environments. The EPYC's launch MSRP of $978 also provides a reference point for procurement, though no equivalent figure exists for the Intel part.

Ultimately, the choice hinges on workload profile. Compute-focused users should lean toward the Intel Xeon Gold 5320T, which wins every measured benchmark. I/O-focused users building storage or GPU-heavy systems should consider the AMD EPYC 7302, whose 128 lanes and 128 MB cache address bottlenecks that these Cinebench scores do not reflect. The data shows a narrow but real performance gap; the platform features tell a broader story of divergent design priorities.