CPU Comparison

The AMD Ryzen 9 3950X and Intel Xeon E-2386G occupy nearly identical positions in the aggregate benchmark database, with average scores of 4807 and 4799 respectively, placing both at the 59th percentile of all CPUs. Despite this statistical tie, their underlying performance profiles diverge sharply, making the choice between them a matter of workload priorities rather than raw capability.

Head-to-Head Benchmarks

The direct benchmark data presents a clear split between the two processors. In the Cinebench R15 multicore test, the AMD Ryzen 9 3950X achieves a score of 4002, while the Intel Xeon E-2386G manages only 1672. This represents a 139.4% advantage for the AMD part. The margin is enormous; the Ryzen 9 3950X more than doubles the Xeon's multicore throughput in this test. This result aligns with their core configurations, as the AMD chip brings 16 cores and 32 threads to the fight, whereas the Intel Xeon offers 6 cores and 12 threads.

The single-core story reverses completely. In Cinebench R15 single-core, the Intel Xeon E-2386G posts 235 points versus the Ryzen 9 3950X's 209 points, giving the Intel part an 11.1% lead. The Xeon's higher boost clock of 5.10 GHz compared to the Ryzen's 4.70 GHz clearly pays off when only one thread is active. This is not a marginal difference; an 11% single-thread gap is meaningful for applications that scale poorly across cores.

Looking beyond the head-to-head table, the broader benchmark set reinforces this pattern. The Ryzen 9 3950X shows substantial strength in multi-threaded workloads: its Geekbench multicore score is 12088, and its Cinebench R15 multicore score of 4002 dwarfs the Xeon's 1672. The Intel Xeon E-2386G counters with a Cinebench R15 single-core score of 235, and its newer-generation Cinebench R20 and R23 results demonstrate solid per-core performance, scoring 983 and 2342 respectively in those single-threaded tests. However, the AMD part's average benchmark score of 4807 slightly edges out the Intel's 4799, a 0.2% difference that places the Xeon among the Ryzen's nearest rivals. The data shows a classic trade-off: massive parallel throughput versus high-frequency single-thread responsiveness.

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 9 3950X has an average benchmark score of 4807, which is 0.2% higher than the Intel Xeon E-2386G's 4799. Both CPUs sit at the 59th percentile of all CPUs.

Q: How much faster is the AMD Ryzen 9 3950X in multi-core rendering?

A: In the Cinebench R15 multicore test, the Ryzen 9 3950X scores 4002 compared to the Xeon E-2386G's 1672, a 139.4% advantage. This means the AMD processor delivers more than double the multi-threaded rendering performance.

Q: Does the Intel Xeon E-2386G win any benchmark outright?

A: Yes. In Cinebench R15 single-core, the Xeon E-2386G scores 235 against the Ryzen 9 3950X's 209, an 11.1% lead. The Xeon's 5.10 GHz boost clock versus the Ryzen's 4.70 GHz gives it the edge in lightly-threaded tasks.

Q: What are the core and thread counts for each CPU?

A: The AMD Ryzen 9 3950X has 16 cores and 32 threads. The Intel Xeon E-2386G has 6 cores and 12 threads. This 10-core and 20-thread difference directly explains the AMD part's dominant multi-core benchmark results.

Q: Do both processors support ECC memory?

A: No. The Intel Xeon E-2386G supports ECC memory, while the AMD Ryzen 9 3950X does not. This is a significant differentiator for workstation and server applications where data integrity is critical.

Q: What are the TDP ratings of these two CPUs?

A: The AMD Ryzen 9 3950X has a TDP of 105 watts, while the Intel Xeon E-2386G has a TDP of 95 watts. The Intel part achieves its single-core advantage with a 10-watt lower thermal envelope, though the AMD chip's higher TDP supports its larger core count.

Where Each One Wins

The AMD Ryzen 9 3950X is the clear winner for parallel processing workloads. Its 139.4% lead in Cinebench R15 multicore translates directly to faster video rendering, 3D scene compilation, code builds, and scientific simulations that can utilize all available threads. With 16 cores and 32 threads, the Ryzen 9 3950X excels in any scenario where the workload can be split across many execution units. Its Geekbench multicore score of 12088 further confirms its strength in heavily threaded applications. For a desktop user running content creation suites, virtual machines, or batch processing jobs, the Ryzen 9 3950X provides massive throughput headroom.

The Intel Xeon E-2386G wins in single-threaded performance and specific workstation features. Its 11.1% advantage in Cinebench R15 single-core, backed by a 5.10 GHz boost clock, makes it the better choice for legacy applications, database transactions, and software that relies on a few fast cores. The Xeon's ECC memory support is a decisive factor for users who need error-correcting memory in a server or workstation environment. Additionally, the Xeon E-2386G includes integrated UHD Graphics P750, meaning it can output video without a discrete graphics card. The Ryzen 9 3950X has no integrated graphics, requiring a separate GPU for display output.

The benchmark results show that the Ryzen 9 3950X wins in multi-core throughput by a landslide, while the Xeon E-2386G wins in single-core speed and offers platform-level reliability features. Users who prioritize raw parallel compute should choose the AMD part; users who need ECC memory, integrated graphics, or maximum single-thread frequency should choose the Intel part.

Specification Differences

The two processors differ across nearly every major specification category. The AMD Ryzen 9 3950X features 16 cores and 32 threads, while the Intel Xeon E-2386G has 6 cores and 12 threads. Both CPUs share a base clock of 3.50 GHz, but the Intel part boosts higher at 5.10 GHz versus the AMD's 4.70 GHz. The TDP ratings are close, with the Ryzen 9 3950X at 105 watts and the Xeon E-2386G at 95 watts.

Memory support is identical in bandwidth, both use dual-channel DDR4 with 51.2 GB/s, but they differ in ECC capability: the AMD part does not support ECC, while the Intel part does. The PCIe configurations are similar but not equal: the Ryzen 9 3950X provides Gen 4 with 24 lanes (CPU only), and the Xeon E-2386G provides Gen 4 with 20 lanes (CPU only). The AMD chip has no integrated graphics, whereas the Intel Xeon includes UHD Graphics P750.

The sockets are incompatible: AMD uses Socket AM4, while Intel uses Socket 1200. The AMD Ryzen 9 3950X has an unlocked multiplier; the Intel Xeon E-2386G is locked. Their release dates differ by nearly two years, with the Ryzen 9 3950X launching on 2019-11-24 and the Xeon E-2386G on 2021-09-07. The market segments also diverge: the Ryzen 9 3950X is a desktop part, while the Xeon E-2386G targets the server/workstation segment.

Architecture Differences

The architectural divide between these two CPUs is substantial. The AMD Ryzen 9 3950X is built on Zen 2 architecture, codenamed Matisse, using a 7 nm process from TSMC. It contains 7,600 million transistors across a die size of 2x 74 mm². The Intel Xeon E-2386G uses Rocket Lake architecture, codenamed Rocket Lake-E, on Intel's 14 nm process, with a single die measuring 276 mm². The process node difference, 7 nm versus 14 nm, explains how AMD fits 16 cores while Intel's larger process limits it to 6 cores in this segment.

Cache layouts differ significantly. The Ryzen 9 3950X uses 64 KB of L1 cache per core, 512 KB of L2 cache per core, and a substantial 64 MB of L3 cache. The Xeon E-2386G has 80 KB of L1 per core, 512 KB of L2 per core, but only 12 MB of shared L3 cache. This 52 MB difference in L3 cache favors the AMD part in workloads with large working sets. The Intel chip's larger per-core L1 cache (80 KB versus 64 KB) provides a minor advantage for single-threaded data access.

Both CPUs support DDR4 memory and Gen 4 PCIe, but their foundries differ: TSMC fabricates the AMD processor, while Intel fabricates its own. The AMD processor's seven-nanometer process allows for a much higher core density, which is the primary driver of its multi-core performance advantage. The Intel processor's fourteen-nanometer process necessitates a higher boost clock to remain competitive in single-threaded tasks.

The Verdict

The data presents a clear conclusion for most users. Choose the AMD Ryzen 9 3950X if your workloads are multi-threaded. Its 139.4% lead in Cinebench R15 multicore and 16-core/32-thread configuration makes it the definitive choice for rendering, compiling, and parallel compute. The Ryzen 9 3950X also offers an unlocked multiplier for overclocking, which the Xeon E-2386G cannot match. For a desktop user who needs maximum throughput, the AMD part is the obvious pick.

Choose the Intel Xeon E-2386G if you require ECC memory support, integrated graphics, or the highest possible single-thread performance. Its 11.1% single-core advantage, 5.10 GHz boost clock, and 95-watt TDP make it suitable for latency-sensitive applications and constrained thermal environments. The Xeon's server/workstation heritage, including ECC memory and UHD Graphics P750, positions it for reliability-focused builds where a discrete GPU is not desirable.

The aggregate benchmark scores are nearly identical, 4807 versus 4799, so the decision hinges entirely on workload type. The AMD Ryzen 9 3950X demolishes the Xeon in multi-core tasks but loses in single-core. The Intel Xeon E-2386G offers platform features that the AMD part lacks, specifically ECC memory and integrated graphics. Given the 16-core versus 6-core split, the Ryzen 9 3950X is the better buy for most desktop users, while the Xeon E-2386G serves niche workstation and server roles. The 0.2% average score difference is negligible; the 139.4% multicore difference is not.