AMD EPYC 7351P vs Intel Core i9-10850K Comparison

Head-to-Head Benchmarks

The recorded head-to-head data presents a stark split between the two processors. The AMD EPYC 7351P wins six of the eight direct comparisons, while the Intel Core i9-10850K wins the remaining two. The margins, however, tell a more nuanced story than the win count alone.

In the Cinebench suite, the EPYC 7351P is consistently ahead. In Cinebench R15 multi-core, it scores 2231 against 1873, a 19.1% advantage. The single-core R15 result is nearly identical in margin: 314 versus 264, again 19.1% ahead. This pattern repeats across every Cinebench iteration. R20 multi-core shows 9296 versus 7808, and R20 single-core shows 1312 versus 1102, both with the same 19.1% delta. R23 multi-core delivers 22135 against 18592, and R23 single-core delivers 3125 against 2624, once more a 19.1% gap. The consistency of this margin across all six Cinebench tests is notable; it suggests a stable architectural advantage rather than a workload-specific quirk.

The Geekbench results reverse the picture entirely. In Geekbench multi-core, the Intel Core i9-10850K scores 10653 against the EPYC's 4607, a 56.8% lead for Intel. The single-core test is even more lopsided in percentage terms: 1708 versus 733, a 57.1% advantage for the i9-10850K. These are the two largest deltas in the entire comparison, and they dwarf the 19.1% margins seen in Cinebench.

What is striking is the direction of the wins. The EPYC 7351P, a server part, wins every rendering workload by a uniform margin. The i9-10850K, a desktop part, wins every Geekbench workload by a much larger margin. Neither processor is dominant across the board; each has a clear territory. The average benchmark score in the database places the EPYC at 5469 and the i9-10850K at 5240, a difference of roughly 4.4% in favor of the AMD chip. The percentile ranks are close as well: the EPYC sits at the 61st percentile of all CPUs, while the i9-10850K sits at the 60th.

For context, the EPYC 7351P's nearest rivals in the database include the Intel Xeon W-1290P at 5443 (0.5% behind), the AMD Ryzen Threadripper 1920 at 5425 (0.8% behind), the Intel Core i9-10900X at 5555 (1.5% ahead), and the Intel Celeron G6900 at 5561 (1.7% ahead). The i9-10850K's nearest rivals include the Intel Core i7-11700B at 5241 (effectively tied), the Intel Core i5-14401E at 5253 (0.2% ahead), the Intel Xeon E5-2699A v4 at 5259 (0.4% ahead), and the Intel Core i5-13400T at 5210 (0.6% behind). These positions show both processors sitting in a crowded mid-field where small score differences separate many parts.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD EPYC 7351P belongs to the EPYC 7001 series and uses the Zen architecture under the Naples codename. It is built on a 14 nm process at GlobalFoundries and packs 4,800 million transistors into a 213 mm² die. The Intel Core i9-10850K is a Comet Lake part, also on a 14 nm process but fabricated by Intel, with a 206 mm² die and no transistor count listed in the database.

Core and thread counts diverge sharply. The EPYC 7351P has 16 cores and 32 threads. The i9-10850K has 10 cores and 20 threads. Clock speeds tell the opposite story: the EPYC runs at a 2.40 GHz base and 2.90 GHz boost, while the i9-10850K runs at 3.60 GHz base and 5.20 GHz boost. The Intel part has a substantial clock advantage, which explains its Geekbench single-core performance. The AMD part compensates with more cores and a larger cache pool.

Cache configurations differ in both size and organization. The EPYC 7351P has 96 KB of L1 per core, 512 KB of L2 per core, and 64 MB of shared L3 cache. The i9-10850K has 64 KB of L1 per core, 256 KB of L2 per core, and 20 MB of shared L3. The EPYC's L3 cache is more than three times larger, a meaningful advantage for workloads with large working sets.

Memory subsystems are also distinct. Both support DDR4, but the EPYC 7351P uses an eight-channel memory bus with 170.6 GB/s of bandwidth, while the i9-10850K uses a dual-channel bus with 46.9 GB/s. The EPYC also supports ECC memory; the i9-10850K does not. PCIe connectivity is Gen 3 on both, but the i9-10850K lists only 16 lanes from the CPU, while the EPYC's lane count is not specified in the database.

Other differences include integrated graphics: the i9-10850K has UHD Graphics 630, while the EPYC 7351P has none. The EPYC targets the server and workstation segment, uses AMD Socket SP3, and remains in active production. The i9-10850K targets the desktop segment, uses Intel Socket 1200, and is marked as end-of-life. The EPYC was released in June 2017, while the i9-10850K arrived in July 2020. Both have unlocked multipliers.

Where Each One Wins

The use-case split follows the benchmark data closely. The EPYC 7351P is the choice for rendering and multi-threaded compute workloads where Cinebench performance matters. Its six Cinebench wins, all at 19.1% over the i9-10850K, span single-core and multi-core tests alike. The 16-core, 32-thread configuration, combined with 64 MB of L3 cache and eight-channel memory, points toward server-style workloads: virtualization, database serving, scientific computing, and any task that can use many threads and large memory bandwidth. The ECC memory support reinforces this positioning.

The i9-10850K wins in Geekbench, both single-threaded and multi-threaded, by margins of roughly 57%. Its high boost clock of 5.20 GHz is the likely driver. Desktop applications that rely on responsiveness, lightly threaded software, gaming, and general productivity will favor the Intel part. The integrated UHD Graphics 630 also makes it a self-contained desktop solution, whereas the EPYC requires a discrete GPU for any display output.

For a mixed workload, the choice is less clear. The EPYC's Cinebench advantage is uniform but moderate at 19.1%. The i9-10850K's Geekbench advantage is larger at over 56%, but it only applies to those two tests. The average benchmark score favors the EPYC, but only slightly: 5469 versus 5240. Neither processor dominates the other in a way that would make the decision obvious for every user.

FAQ

Q: Which processor has better multi-core rendering performance?

A: The AMD EPYC 7351P wins all three Cinebench multi-core tests. In R15 it scores 2231 versus 1873, in R20 it scores 9296 versus 7808, and in R23 it scores 22135 versus 18592. Each margin is 19.1%.

Q: Which processor has better single-core performance?

A: The Intel Core i9-10850K wins Geekbench single-core with 1708 against 733, a 57.1% lead. However, the EPYC 7351P wins every Cinebench single-core test by 19.1%, including R23 at 3125 versus 2624.

Q: How do the core and thread counts compare?

A: The EPYC 7351P has 16 cores and 32 threads. The i9-10850K has 10 cores and 20 threads. The EPYC has 6 more cores and 12 more threads.

Q: What are the clock speed differences?

A: The EPYC 7351P has a 2.40 GHz base clock and 2.90 GHz boost clock. The i9-10850K has a 3.60 GHz base clock and 5.20 GHz boost clock. The Intel part boosts 2.30 GHz higher.

Q: Which processor supports ECC memory?

A: Only the AMD EPYC 7351P supports ECC memory. The Intel Core i9-10850K does not list ECC support in the database.

Q: What is the memory bandwidth difference?

A: The EPYC 7351P has an eight-channel memory bus with 170.6 GB/s of bandwidth. The i9-10850K has a dual-channel bus with 46.9 GB/s. The EPYC offers roughly 3.6 times the bandwidth.

The Verdict

The data points to two different buyers. The AMD EPYC 7351P is the pick for anyone running Cinebench-style rendering workloads or server tasks that benefit from 16 cores, 32 threads, 64 MB of L3 cache, eight-channel memory, and ECC support. It wins every Cinebench test by 19.1%, carries a higher average benchmark score at 5469, and ranks at the 61st percentile of all CPUs. Its 170 W TDP is higher than the i9-10850K's 125 W, but that is the cost of the server-class feature set.

The Intel Core i9-10850K is the pick for desktop use where Geekbench performance and high clock speeds matter. It wins Geekbench multi-core by 56.8% and Geekbench single-core by 57.1%, both by far the largest margins in this comparison. Its 5.20 GHz boost clock, integrated UHD Graphics 630, and lower 125 W TDP make it a more practical desktop part. It ranks at the 60th percentile, nearly tied with the EPYC overall.

The production status settles part of the debate. The EPYC 7351P is still active, while the i9-10850K is end-of-life. For long-term availability, the AMD part has the edge. For immediate desktop performance, the Intel part has the edge in Geekbench but trails in every Cinebench test. The verdict comes down to workload: server and rendering favor the EPYC, desktop and general computing favor the i9-10850K.

Specification Differences

| Specification | AMD EPYC 7351P | Intel Core i9-10850K |

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

| Cores | 16 | 10 |

| Threads | 32 | 20 |

| Base clock | 2.40 GHz | 3.60 GHz |

| Boost clock | 2.90 GHz | 5.20 GHz |

| TDP | 170 W | 125 W |

| Socket | AMD Socket SP3 | Intel Socket 1200 |

| Architecture | Zen | Comet Lake |

| Codename | Naples | Comet Lake |

| Process node | 14 nm | 14 nm |

| Foundry | GlobalFoundries | Intel |

| Transistors | 4,800 million | Not listed |

| Die size | 213 mm² | 206 mm² |

| L1 cache | 96 KB (per core) | 64 KB (per core) |

| L2 cache | 512 KB (per core) | 256 KB (per core) |

| L3 cache | 64 MB (shared) | 20 MB (shared) |

| Memory bus | Eight-channel | Dual-channel |

| Memory bandwidth | 170.6 GB/s | 46.9 GB/s |

| ECC memory | Yes | No |

| PCIe | Gen 3 | Gen 3, 16 lanes (CPU only) |

| Integrated graphics | None | UHD Graphics 630 |

| Market segment | Server/Workstation | Desktop |

| Production status | Active | End-of-life |

| Release date | June 2017 | July 2020 |

| Multiplier unlocked | Yes | Yes |