Intel Xeon 674X vs Intel Xeon w7-3565X Comparison

Head-to-Head Benchmarks

The Intel Xeon 674X wins every single head-to-head benchmark against the Intel Xeon w7-3565X in the database, a clean sweep of 16 wins to zero. The margin is consistent and often substantial, making this less of a close contest and more of a clear generational gap.

In Cinebench tests, the 674X is remarkably uniform: it leads by exactly 19.2% in R15 multi-core (7213 vs 6052), R15 single-core (1018 vs 854), R20 multi-core (30057 vs 25218), R20 single-core (4243 vs 3560), and R23 multi-core (71566 vs 60045). That identical delta across both single and multi-threaded workloads suggests the advantage is not just about core count but about per-core efficiency and clock behavior.

The PassMark suite tells a similar story but with more variation. The largest single deltas come in passmark_physics, where the 674X scores 7586 against 4254, a 78.3% lead, and passmark_find_prime_numbers, where it posts 693 versus 398, a 74.1% advantage. These are heavily compute-bound integer workloads, and the newer architecture of the 674X clearly dominates.

Other PassMark results show narrower but still decisive margins: data compression favors the 674X by 14.9% (1236272 vs 1075602), data encryption by 11.9% (61195 vs 54676), extended instructions by 13.4% (97373 vs 85856), floating point math by 11.5% (243877 vs 218720), integer math by 10.7% (308968 vs 279202), multithread by 19.2% (84196 vs 70642), and random string sorting by 15% (127529 vs 110848). Single-thread performance in PassMark also favors the 674X by 15.4% (3933 vs 3407).

The overall average benchmark score reinforces the picture: the 674X sits at 143103, while the w7-3565X trails at 118307. In the broader database context, the 674X ranks in the 98th percentile of all CPUs, while the w7-3565X sits at the 97th percentile. The gap in raw scores is roughly 21%, yet the percentile difference is just one point, which indicates that both are near the top of the stack, but the 674X is simply closer to the absolute ceiling.

Looking at nearest rivals for each chip, the 674X is essentially tied with the Intel Xeon 6732P (143444, delta -0.2%), the AMD Ryzen 9 PRO 9965X3D (143735, delta -0.4%), the Intel Xeon w9-3575X (144323, delta -0.8%), and the AMD EPYC 7643P (144824, delta -1.2%). For the w7-3565X, its nearest neighbors include the AMD EPYC 9255 (116388, delta +1.6%), the AMD EPYC 9384X (120427, delta -1.8%), the Intel Xeon 658X (116060, delta +1.9%), and the Intel Xeon 6527P (115190, delta +2.7%). In other words, the 674X competes in a higher performance tier altogether.

Architecture Differences

The two processors come from different design generations, and that shows clearly in the silicon. The Intel Xeon 674X is built on Granite Rapids architecture, manufactured on a 5 nm process, with a die size of 2x 598 mm². The Intel Xeon w7-3565X uses Sapphire Rapids architecture on a 10 nm process, with a larger multi-die setup of 4x 477 mm². The smaller process node gives the 674X a density and efficiency advantage that shows up in its higher benchmark scores despite having fewer cores.

Core counts differ as well. The 674X packs 28 cores and 56 threads, while the w7-3565X offers 32 cores and 64 threads. Despite having four fewer cores and eight fewer threads, the 674X outperforms the w7-3565X in every measured workload. That is a direct statement about architectural efficiency: the newer cores are doing more work per clock, and the higher boost clock helps close any theoretical multi-thread gap.

Cache hierarchies are also distinct. The 674X has 112 KB of L1 per core, 2 MB of L2 per core, and a large 144 MB shared L3 cache. The w7-3565X has 80 KB of L1 per core, 2 MB of L2 per core, and a much smaller 82.5 MB L3. The nearly 75% larger L3 on the 674X is likely a major factor in its PassMark wins, especially in data compression and random string sorting, which are cache-sensitive.

Memory bandwidth tells a similar story. The 674X supports eight-channel DDR5 with a peak bandwidth of 409.6 GB/s, while the w7-3565X also uses eight-channel DDR5 but tops out at 307.2 GB/s. That is a 33% bandwidth advantage for the 674X, which feeds its higher multi-threaded scores in Cinebench and PassMark multithread tests.

PCIe lanes also differ. The 674X provides Gen 5 with 128 lanes (CPU only), while the w7-3565X offers Gen 5 with 112 lanes (CPU only). The extra 16 lanes on the 674X could matter for systems with many GPUs or NVMe drives, though both are well-equipped for workstation-class expansion.

Power and clock behavior diverge sharply. The 674X has a base clock of 3.00 GHz and a boost clock of 4.90 GHz, at a TDP of 270 W. The w7-3565X has a lower base of 2.50 GHz and a boost of 4.80 GHz, but a higher TDP of 335 W. So the 674X delivers more performance while consuming less power, a direct benefit of the 5 nm process. Both CPUs have unlocked multipliers, so overclocking is possible on either platform, but the 674X starts from a better efficiency point.

Sockets are different: the 674X uses Intel Socket 4710, while the w7-3565X uses Intel Socket 4677. They are not interchangeable, so platform choice is a binary decision. Both support ECC memory, and neither has integrated graphics, which is typical for server and workstation parts. The 674X is from the Xeon 600 (Granite Rapids-WS) generation, while the w7-3565X is from the Xeon W (Sapphire Rapids) generation.

The Verdict

The data is unambiguous: the Intel Xeon 674X is the faster processor in every recorded benchmark. It wins all 16 head-to-head tests, with deltas ranging from 10.7% in integer math to 78.3% in physics. It does this despite having fewer cores and threads, which points to a decisive architectural advantage from the newer 5 nm Granite Rapids design.

For workloads that are heavily single-threaded or lightly threaded, the 674X is the clear pick. Its single-core scores lead by 19.2% in Cinebench R15 and R20, and by 15.4% in PassMark single-thread. The higher boost clock of 4.90 GHz versus 4.80 GHz is part of the story, but the per-core IPC improvement from the newer architecture is the larger factor.

For heavily multi-threaded workloads, the 674X also wins, but the margin is more modest in some tests. Cinebench R23 multi-core shows a 19.2% lead (71566 vs 60045), and PassMark multithread shows the same 19.2% delta (84196 vs 70642). The w7-3565X has more cores, but the 674X compensates with higher clocks, better memory bandwidth, and a larger L3 cache.

Power efficiency is another point in the 674X favor. It delivers more performance at a lower TDP (270 W vs 335 W), which means lower cooling requirements and potentially lower operating costs in dense server environments. The w7-3565X does offer a higher core count, which could matter for highly parallel workloads that scale perfectly with cores and are not bandwidth-limited, but the recorded data does not show any such advantage.

The w7-3565X is not a bad processor in absolute terms. It sits in the 97th percentile of all CPUs, and its nearest rivals include the AMD EPYC 9255 and the Intel Xeon 658X, both of which it edges out. But in a direct comparison, the 674X is simply in a different class, posting an average benchmark score nearly 21% higher.

Buyers who need maximum performance per socket, lower power draw, and the latest platform features should choose the Intel Xeon 674X. Buyers who are locked into the Sapphire Rapids platform, or who specifically need 32 cores rather than 28, might consider the w7-3565X, but the data shows they would be giving up measurable performance in every tested workload.

Specification Differences

The two processors differ in nearly every major specification category.

• Cores: 28 (674X) vs 32 (w7-3565X)
• Threads: 56 (674X) vs 64 (w7-3565X)
• Base Clock: 3.00 GHz (674X) vs 2.50 GHz (w7-3565X)
• Boost Clock: 4.90 GHz (674X) vs 4.80 GHz (w7-3565X)
• TDP: 270 W (674X) vs 335 W (w7-3565X)
• Socket: Intel Socket 4710 (674X) vs Intel Socket 4677 (w7-3565X)
• Architecture: Granite Rapids (674X) vs Sapphire Rapids (w7-3565X)
• Process Node: 5 nm (674X) vs 10 nm (w7-3565X)
• Die Size: 2x 598 mm² (674X) vs 4x 477 mm² (w7-3565X)
• L1 Cache: 112 KB per core (674X) vs 80 KB per core (w7-3565X)
• L2 Cache: 2 MB per core (both)
• L3 Cache: 144 MB shared (674X) vs 82.5 MB (w7-3565X)
• Memory Bandwidth: 409.6 GB/s (674X) vs 307.2 GB/s (w7-3565X)
• PCIe Lanes: Gen 5, 128 (674X) vs Gen 5, 112 (w7-3565X)
• Release Date: 2026-02-01 (674X) vs 2024-08-23 (w7-3565X)
• Launch MSRP: $2199 (674X) vs $2689 (w7-3565X)
• Part Number: SA2CZ (674X) vs SRN73 (w7-3565X)

Both support DDR5 memory, use eight-channel memory buses, support ECC, have no integrated graphics, target the server/workstation segment, are actively produced, and come with unlocked multipliers.

FAQ

Q: Which processor has more cores?

A: The Intel Xeon w7-3565X has 32 cores and 64 threads, while the Intel Xeon 674X has 28 cores and 56 threads.

Q: Does the Intel Xeon 674X ever lose to the w7-3565X in any benchmark?

A: No. The 674X wins all 16 head-to-head benchmark comparisons in the database, with deltas ranging from 10.7% to 78.3%.

Q: Which chip has a larger L3 cache?

A: The Intel Xeon 674X has 144 MB of shared L3 cache, while the Intel Xeon w7-3565X has 82.5 MB.

Q: What is the power draw difference between the two?

A: The Intel Xeon 674X has a TDP of 270 W, while the Intel Xeon w7-3565X has a TDP of 335 W, making the 674X the lower-power option despite being faster.

Q: Are the two processors socket-compatible?

A: No. The Intel Xeon 674X uses Intel Socket 4710, while the Intel Xeon w7-3565X uses Intel Socket 4677.

Q: Which chip has higher memory bandwidth?

A: The Intel Xeon 674X supports 409.6 GB/s, while the Intel Xeon w7-3565X supports 307.2 GB/s, a 33% advantage for the 674X.