AMD Ryzen Threadripper 3960X vs Intel Core i9-13900E Comparison

Head-to-Head Benchmarks

The benchmark database records a clean sweep for the AMD Ryzen Threadripper 3960X, with all eight head-to-head comparisons going in its favor. The most lopsided result appears in Geekbench multi-core, where AMD scores 13326 against Intel's 8337, a 59.8% advantage. That gap reflects the Threadripper's 48 threads versus the Core i9-13900E's 32 threads, a difference that becomes decisive when workloads scale across many cores.

Cinebench results follow a consistent pattern. In Cinebench R15 multi-core, AMD posts 4692 versus Intel's 3451, a 36% lead. The same 36% delta appears in R15 single-core (662 vs 487), R20 multi-core (19553 vs 14382), R20 single-core (2760 vs 2030), R23 multi-core (46557 vs 34244), and R23 single-core (6572 vs 4834). The uniformity of that 36% figure across every Cinebench iteration is striking, suggesting that the performance relationship between these two chips remains stable regardless of the workload generation or thread count.

Geekbench single-core is the closest contest. AMD wins with 1681 against Intel's 1646, a slim 2.1% margin. This is the only benchmark where the i9-13900E comes within striking distance, and it hints that Intel's higher boost clock, 5.20 GHz, can narrow the gap in lightly threaded tasks. Still, the Threadripper 3960X's 4.50 GHz boost clock proves sufficient to maintain the lead even here.

The database also shows the Threadripper's overall average benchmark score at 9284, while the i9-13900E averages 8676. Both processors sit at the 65th percentile among all CPUs tracked, meaning they occupy the same tier in the overall distribution despite the Threadripper's categorical benchmark wins. The nearest rivals for the AMD chip include the Intel Xeon Platinum 8280M at 9260 (0.3% delta), the Intel Core i5-10300H at 9243 (0.4%), the Intel Core i7-1165G7 at 9235 (0.5%), and the Intel Xeon Gold 5320 at 9234 (0.5%). For the Intel chip, the closest competitors are the Intel Core i7-8565U at 8665 (0.1%), the Intel Core i5-8365U at 8708 (0.4% negative delta), the AMD EPYC 7601 at 8619 (0.7%), and the Intel Core i7-10510U at 8580 (1.1%).

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen Threadripper 3960X uses the Zen 2 architecture, codenamed Castle Peak, built on a 7 nm process at TSMC. It packs 24 cores and 48 threads in a four-die configuration, with each die measuring 74 mm² for a combined die size of 4x 74 mm². The transistor count is listed at 15,200 million. The Intel Core i9-13900E uses Raptor Lake architecture, specifically Raptor Lake-S, built on Intel's 10 nm process with a single 257 mm² die. Intel does not list a transistor count in the database.

Cache layouts differ substantially. The Threadripper 3960X provides 64 KB of L1 cache per core, 512 KB of L2 per core, and a massive 128 MB of shared L3 cache. The i9-13900E counters with 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. The AMD chip's 128 MB L3 is over three times larger than Intel's 36 MB, which helps explain its multi-core dominance in cache-sensitive workloads. Intel's larger per-core L1 and L2 caches, however, can benefit latency-sensitive single-threaded tasks.

Memory architecture also diverges. AMD supports DDR4 memory over a quad-channel bus with 102.4 GB/s of bandwidth. Intel supports both DDR4 and DDR5, but only over a dual-channel bus, and the database does not list a memory bandwidth figure for the Intel part. The Threadripper's quad-channel setup gives it a raw bandwidth advantage that matters for memory-heavy compute tasks. Intel's ECC memory support is listed as true, while AMD's is false.

The i9-13900E includes integrated graphics in the form of UHD Graphics 770, while the Threadripper 3960X has no integrated graphics. PCIe support differs as well: AMD offers Gen 4 across its platform, while Intel provides Gen 5 with 16 lanes from the CPU only. The Threadripper uses the AMD Socket TRX4, while Intel uses Socket 1700. The AMD chip's multiplier is unlocked, whereas the Intel part's multiplier is locked. The Intel part supports both DDR4 and DDR5, giving it memory flexibility that the AMD chip lacks.

FAQ

Q: Which processor wins in multi-threaded workloads?

A: The AMD Ryzen Threadripper 3960X wins every multi-core benchmark in the head-to-head data. Geekbench multi-core shows the largest margin at 59.8%, while Cinebench R15, R20, and R23 multi-core all show a 36% lead.

Q: How do the two compare in single-threaded performance?

A: The Threadripper 3960X also wins every single-core benchmark, but the margins vary. Geekbench single-core is close at 2.1%, while Cinebench single-core results show a consistent 36% advantage across R15, R20, and R23.

Q: What is the core and thread difference between them?

A: Both have 24 cores, but the AMD Ryzen Threadripper 3960X supports 48 threads while the Intel Core i9-13900E supports 32 threads. This 16-thread difference explains much of the multi-core performance gap.

Q: Which chip has more cache?

A: The AMD chip has 128 MB of shared L3 cache, while the Intel chip has 36 MB of shared L3. Intel has larger per-core L1 (80 KB vs 64 KB) and L2 (2 MB vs 512 KB) caches.

Q: Do both processors support the same memory types?

A: No. The AMD Ryzen Threadripper 3960X supports DDR4 only, with a quad-channel bus. The Intel Core i9-13900E supports both DDR4 and DDR5, but uses a dual-channel bus.

Q: What are the power specifications?

A: The AMD chip has a TDP of 280, while the Intel chip has a TDP of 65. This reflects the Threadripper's higher power draw for its extra threads and larger cache.

The Verdict

The data presents a clear choice for builders who prioritize raw compute throughput. The AMD Ryzen Threadripper 3960X wins all eight head-to-head benchmarks, with multi-core advantages ranging from 36% in Cinebench to 59.8% in Geekbench. Its 48 threads, 128 MB L3 cache, and quad-channel memory bus make it the superior option for rendering, compilation, simulation, and any workload that scales across cores. The single-core wins, while smaller, still favor AMD, so there is no benchmark category where the Intel part takes the lead.

The Intel Core i9-13900E does offer practical advantages that the benchmark scores do not capture. It supports both DDR4 and DDR5 memory, includes integrated graphics, and has a much lower TDP of 65 versus 280. Its unlocked multiplier is absent, but its 5.20 GHz boost clock keeps it competitive in lightly threaded tasks, as shown by the 2.1% Geekbench single-core margin. For builders who need ECC memory support, the Intel part lists that capability, while the AMD chip does not.

The database places both at the 65th percentile, so they occupy the same overall performance tier. But within that tier, the Threadripper 3960X is the stronger compute engine, while the i9-13900E offers platform flexibility and efficiency. The AMD chip's launch MSRP was $1399, a figure that reflects its workstation positioning. Neither chip is currently listed as having a launch MSRP for the Intel part in the database.

Specification Differences

| Specification | AMD Ryzen Threadripper 3960X | Intel Core i9-13900E |

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

| Cores | 24 | 24 |

| Threads | 48 | 32 |

| Base Clock | 3.80 GHz | 1800.00 MHz |

| Boost Clock | 4.50 GHz | 5.20 GHz |

| TDP | 280 | 65 |

| Socket | AMD Socket TRX4 | Intel Socket 1700 |

| Architecture | Zen 2 | Raptor Lake |

| Codename | Castle Peak | Raptor Lake-S |

| Process Node | 7 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 4x 74 mm² | 257 mm² |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L2 Cache | 512 KB (per core) | 2 MB (per core) |

| L3 Cache | 128 MB | 36 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 102.4 GB/s | Not listed |

| ECC Memory | false | true |

| PCIe | Gen 4 | Gen 5, 16 Lanes (CPU only) |

| Integrated Graphics | None | UHD Graphics 770 |

| Multiplier Unlocked | true | false |

| Launch MSRP | $1399 | Not listed |

Where Each One Wins

The AMD Ryzen Threadripper 3960X wins every benchmark category recorded in the database. Its largest victory comes in Geekbench multi-core, where the 59.8% delta reflects the thread-count and cache advantages. The Cinebench suite, both multi-core and single-core, shows a uniform 36% lead, indicating that the Threadripper's architecture scales efficiently across all vintages of the Cinebench workload. Builders running video encoding, 3D rendering, physics simulations, or large data processing should select the Threadripper without hesitation. The quad-channel memory bus and 128 MB L3 cache also make it the stronger choice for memory-bandwidth-bound applications.

The Intel Core i9-13900E wins in platform-level considerations rather than raw benchmark scores. Its support for both DDR4 and DDR5 gives builders memory choice that the AMD chip lacks. The integrated UHD Graphics 770 means a discrete GPU is not strictly required for basic display output, which can simplify system builds. ECC memory support makes it suitable for systems where data integrity is critical. The lower 65 TDP allows for quieter cooling and lower power draw, which matters in office or compact workstation environments. Its 5.20 GHz boost clock, while not enough to beat the Threadripper in the recorded single-core tests, keeps the gap small enough that lightly threaded tasks remain responsive.

The production status for both is listed as Active, so both remain viable purchases. The Threadripper 3960X is the clear choice for maximum compute performance, while the i9-13900E appeals to builders who value memory flexibility, integrated graphics, ECC support, and lower power consumption. The benchmark data does not record a single win for Intel, making the AMD part the default recommendation for pure performance workloads.