Intel Xeon 6780E vs Intel Xeon 696X Comparison

Head-to-Head Benchmarks

The benchmark data shows a clear split between these two Intel Xeon processors, with the Xeon 696X claiming 9 wins out of 14 head-to-head tests, while the Xeon 6780E takes the remaining 5. The most dramatic margin comes in single-thread performance, where the 696X scores 3742 against the 6780E's 1923 in Passmark's single-thread test — a 94.6% advantage. That is nearly double the performance in workloads that rely on a single core, and it extends across the Cinebench suite where the 696X wins all three multicore tests by exactly 21% (8994 vs 7431 in R15, 37475 vs 30963 in R20, and 89227 vs 73723 in R23).

The 696X also dominates in extended instruction workloads, scoring 172975 against the 6780E's 114008 — a 51.7% lead. Prime number finding favors the 696X by 20.5% (853 vs 708), and floating-point math goes its way by a narrower 3.8% margin (450164 vs 433862). The Passmark multithread test gives the 696X a 21% win (104974 vs 86734), matching the Cinebench deltas exactly.

However, the 6780E is no pushover. Its biggest win is in Passmark physics, where it scores 10951 against the 696X's 3382 — a massive 69.1% advantage. Data encryption also goes strongly to the 6780E, with 193004 vs 112529, a 41.7% lead. Random string sorting favors the 6780E by 44.8% (326954 vs 180392), and data compression shows an 11.4% edge (2557582 vs 2264907). Integer math goes to the 6780E by 10.9% (641817 vs 572072). These aren't trivial wins — the 6780E's strengths are in specific throughput-heavy tasks where its core count matters more than raw clock speed.

Looking at the broader context, the 696X's average benchmark score of 286102 places it 2% ahead of the 6780E's 280438. Both sit at the 99th percentile of all CPUs, and their nearest rivals are a tight cluster: the 696X is within 0.3% of the AMD EPYC 9555P and 0.2% of the EPYC 9565, while the 6780E trails those same AMD parts by 1.8% and 2.3% respectively. The 696X also edges out the AMD Ryzen Threadripper 9970X by 2.3%, while the 6780E beats that same chip by 0.2%.

Architecture Differences

The two CPUs come from fundamentally different Intel architectures. The Xeon 696X uses Granite Rapids, built on a 5 nm process, while the Xeon 6780E uses Sierra Forest, also on 5 nm. Both are fabricated by Intel, but their design philosophies diverge sharply. The 696X has 64 cores and 128 threads, meaning each core supports two threads. The 6780E has 144 cores and 144 threads — every core is single-threaded, with no hyperthreading. This is the single biggest architectural split: the 6780E throws more physical cores at the problem, while the 696X relies on higher clock speeds and simultaneous multithreading.

Clock speeds reflect this. The 696X runs at a 2.40 GHz base clock and boosts to 4.80 GHz. The 6780E has a 2.20 GHz base and a 3.00 GHz boost — a 1.8 GHz gap at peak boost. Cache hierarchies also differ. The 696X provides 112 KB of L1 per core and 2 MB of L2 per core, with a massive 336 MB shared L3. The 6780E offers 96 KB of L1 per core and 4 MB of L2 per module, but only 108 MB of shared L3 — one-third the L3 capacity. The 696X's die is 2x 598 mm², while the 6780E's is a single 578 mm² die.

Memory support is identical on paper: both use DDR5 with an eight-channel memory bus and 409.6 GB/s bandwidth, and both support ECC memory. PCIe Gen 5 lanes differ, with the 696X offering 128 lanes versus the 6780E's 88 lanes (both CPU-only). The 696X has an unlocked multiplier, while the 6780E is locked. The 696X launched in February 2026, while the 6780E launched in June 2024 — a generational gap that explains some of the performance differences. The 696X's launch MSRP is $5599, and the 6780E's is $11350.

FAQ

Q: Which CPU is faster in multi-core rendering?

A: The Xeon 696X wins all three Cinebench multicore tests by exactly 21%. In Cinebench R23, it scores 89227 versus the 6780E's 73723. The 696X's higher boost clock and hyperthreading compensate for its lower core count.

Q: Why does the 6780E win in Passmark physics?

A: The 6780E scores 10951 in Passmark physics against the 696X's 3382, a 69.1% advantage. This likely reflects the 6780E's 144 physical cores, which excel in workloads that scale almost perfectly with core count and don't benefit from higher clock speeds.

Q: Is the 696X's single-thread advantage consistent across all tests?

A: The Passmark single-thread test shows a 94.6% lead for the 696X (3742 vs 1923). While not every workload is measured for single-thread performance, the 4.80 GHz boost clock versus 3.00 GHz on the 6780E suggests this advantage should persist in clock-bound tasks.

Q: How do these compare to AMD EPYC rivals?

A: The 696X's average score of 286102 is 0.2% above the EPYC 9565 and 0.3% below the EPYC 9555P. The 6780E's 280438 trails the EPYC 9565 by 1.8% and the EPYC 9555P by 2.3%. Both Intel parts beat the Ryzen Threadripper 9970X, with the 696X ahead by 2.3% and the 6780E ahead by 0.2%.

Q: Which CPU has more L3 cache?

A: The 696X has 336 MB of shared L3 cache, while the 6780E has 108 MB. That's a 228 MB difference. The 696X also has larger per-core L1 (112 KB vs 96 KB), but the 6780E doubles the L2 per module (4 MB vs 2 MB per core).

Q: Do both CPUs support the same memory configuration?

A: Yes, both support DDR5 with an eight-channel memory bus and 409.6 GB/s bandwidth, and both support ECC. They also share the same Intel Socket 4710, so platform compatibility is identical in that regard.

Specification Differences

| Specification | Intel Xeon 696X | Intel Xeon 6780E |

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

| Cores | 64 | 144 |

| Threads | 128 | 144 |

| Base Clock | 2.40 GHz | 2.20 GHz |

| Boost Clock | 4.80 GHz | 3.00 GHz |

| TDP | 350 W | 330 W |

| Architecture | Granite Rapids | Sierra Forest |

| Codename | Granite Rapids | Sierra Forest |

| Generation | Xeon 600 (Granite Rapids-WS) | Xeon 6 (Sierra Forest-SP) |

| Die Size | 2x 598 mm² | 578 mm² |

| L1 Cache | 112 KB (per core) | 96 KB (per core) |

| L2 Cache | 2 MB (per core) | 4 MB (per module) |

| L3 Cache | 336 MB (shared) | 108 MB (shared) |

| PCIe | Gen 5, 128 Lanes (CPU only) | Gen 5, 88 Lanes (CPU only) |

| Release Date | 2026-02-01 | 2024-06-02 |

| Launch MSRP | $5599 | $11350 |

| Multiplier | Unlocked | Locked |

| Part Number | SRWQ7 | SRPG3 |

Both share the same socket, process node (5 nm), foundry (Intel), memory support (DDR5, eight-channel, 409.6 GB/s), ECC support, and market segment (Server/Workstation). Both are Active in production and have no integrated graphics.

The Verdict

The data presents two distinct tools for different jobs. The Xeon 696X is the higher-performance part overall, with a 2% higher average benchmark score than the 6780E (286102 vs 280438). It wins every rendering test, dominates single-thread workloads by 94.6%, and leads in extended instructions by 51.7%. Its 4.80 GHz boost clock and 128 threads make it the clear choice for latency-sensitive, clock-bound, or lightly-threaded workloads. The unlocked multiplier is a bonus for those who push beyond stock settings.

The Xeon 6780E, despite its lower average score, wins in five specific tests — physics, encryption, compression, string sorting, and integer math — by margins ranging from 10.9% to 69.1%. Its 144 threads (all physical, no SMT) and larger L2 per module give it an edge in throughput-heavy tasks that scale with raw core count. It also costs more at launch MSRP ($11350 vs $5599), though the data shows it delivers less overall performance in most measured areas.

For a builder choosing between these two, the question is whether the 6780E's specific wins matter for your workload. If you're running encryption, compression, or integer-heavy batch jobs, the 6780E's advantages are substantial. If you need balanced performance across rendering, single-thread responsiveness, and general compute, the 696X is the stronger pick. Both sit at the 99th percentile of all CPUs, so neither is a weak choice — but the 696X is the more versatile performer.

Where Each One Wins

Pick the Intel Xeon 696X if:

• You run Cinebench or similar rendering workloads — it wins all three multicore tests by 21%.
• Single-thread performance matters — a 94.6% lead in Passmark single-thread is decisive.
• Your code uses extended instructions (AVX-512 or similar) — a 51.7% advantage.
• You need PCIe Gen 5 lane count — 128 lanes vs 88 on the 6780E.
• You want overclocking headroom — the multiplier is unlocked on the 696X.
• You have latency-sensitive tasks that benefit from the 336 MB L3 cache and 4.80 GHz boost.

Pick the Intel Xeon 6780E if:

• Physics simulation is a priority — a 69.1% win in Passmark physics.
• Data encryption is a major workflow — 41.7% ahead in Passmark data encryption.
• You handle large-scale random string sorting — 44.8% advantage.
• Compression workloads dominate — 11.4% ahead in Passmark data compression.
• Integer math is the bottleneck — 10.9% lead in Passmark integer math.
• You need maximum physical core count — 144 cores vs 64, all single-threaded for predictable scheduling.

The 696X wins the overall performance crown, but the 6780E is purpose-built for specific high-throughput tasks. Choose based on your actual workload mix, not just the average score.