Intel Xeon w7-2595X vs Intel Xeon w7-3555 Comparison

The Intel Xeon w7-2595X and Intel Xeon w7-3555 are both 10 nm Sapphire Rapids workstation parts on the same Intel Socket 4677 platform, but they are not interchangeable in practice. The data shows the w7-3555 is the stronger overall processor, winning 10 of 17 head-to-head benchmarks, while the w7-2595X wins 7. The w7-3555 takes every Cinebench test by a consistent 4.7-4.8% margin, plus major wins in physics and prime-number finding. The w7-2595X counters with wins in integer math, floating-point math, data compression, encryption, random string sorting, and single-threaded PassMark. For a builder choosing between them, the decision hinges on workload type: the w7-3555 is the pick for rendering, physics simulation, and multi-core Cinebench-style tasks, while the w7-2595X is better for encryption, compression, and mixed integer/floating-point number crunching. The w7-3555 also offers a 75 MB L3 cache, eight-channel memory, and 112 PCIe lanes versus the w7-2595X’s 48.75 MB L3, quad-channel memory, and 64 PCIe lanes. However, the w7-2595X has a 2.80 GHz base clock versus 2.70 GHz, a lower 250 W TDP versus 325 W, and an unlocked multiplier versus a locked one.

The Verdict

Benchmark results indicate that the Intel Xeon w7-3555 is the default choice for most multi-threaded workstation workloads. It leads the w7-2595X by 4.7% in Cinebench R23 multi-core (57590 vs 54863) and by 4.6% in PassMark multithread (67754 vs 64628). The w7-3555’s advantage is broad but not overwhelming in rendering, with consistent 4.7-4.8% margins across all Cinebench R15, R20, and R23 tests, both single and multi-core. Its most dramatic wins are in PassMark physics, where it scores 5802 versus 2759 (a 52.4% lead), and in PassMark find prime numbers, scoring 398 versus 259 (a 34.9% lead). For users running physics simulations, prime-number-heavy mathematical workloads, or any Cinebench-style rendering, the w7-3555 is clearly superior.

The w7-2595X is the better pick for specific data-centric tasks. It wins PassMark integer math by 6.8% (261384 vs 244642) and floating-point math by 6.3% (202906 vs 190917). It also leads in data compression by 1.7% (983046 vs 966970), data encryption by 3.7% (49782 vs 48007), and random string sorting by 6.4% (102230 vs 96112). In single-threaded PassMark, the w7-2595X wins by 4.9% (3723 vs 3549), despite losing all Cinebench single-core tests by 4.7-4.8%. If your workflow is dominated by encryption, compression, or general integer/floating-point math, the w7-2595X delivers measurable gains.

The overall average benchmark score favors the w7-2595X at 108663 versus 106192 for the w7-3555, a 2.3% difference. Both CPUs sit at the 97th percentile among all processors, so neither is a weak choice. The w7-3555 offers more cores (28 vs 26), more threads (56 vs 52), more L3 cache (75 MB vs 48.75 MB), double the memory channels (eight vs quad) and bandwidth (307.2 GB/s vs 153.6 GB/s), and more PCIe lanes (112 vs 64). The w7-2595X counters with a higher base clock (2.80 vs 2.70 GHz), a lower TDP (250 W vs 325 W), and an unlocked multiplier. The w7-3555’s launch MSRP is $2339; the w7-2595X’s launch MSRP is $2039.

Architecture Differences

Both processors are built on Intel’s 10 nm process node and use the Sapphire Rapids codename, so the fundamental architecture is identical. The w7-3555 has 28 cores and 56 threads, while the w7-2595X has 26 cores and 52 threads — a difference of 2 cores and 4 threads. The w7-3555’s die is described as 4x 477 mm², while no die size is listed for the w7-2595X. Both have the same per-core L1 cache (80 KB) and L2 cache (2 MB), but the w7-3555’s L3 cache is 75 MB versus 48.75 MB on the w7-2595X — a substantial 26.25 MB difference that likely benefits the w7-3555 in cache-sensitive workloads.

Memory architecture differs significantly. The w7-3555 supports eight-channel DDR5 memory with a peak bandwidth of 307.2 GB/s, while the w7-2595X uses quad-channel DDR5 with 153.6 GB/s. Both support ECC memory. The PCIe configuration also splits: the w7-3555 offers Gen 5 with 112 lanes (CPU only), the w7-2595X offers Gen 5 with 64 lanes (CPU only). This makes the w7-3555 the choice for systems requiring heavy memory bandwidth or many PCIe devices, such as multi-GPU configurations or high-speed storage arrays.

The base clocks differ slightly, with the w7-2595X at 2.80 GHz and the w7-3555 at 2.70 GHz, but both boost to 4.80 GHz. The w7-2595X has a 250 W TDP versus 325 W for the w7-3555 — a 75 W gap that affects cooling requirements. The w7-2595X has an unlocked multiplier for overclocking, while the w7-3555 is locked. Both lack integrated graphics, target the Server/Workstation market segment, are marked as Active in production status, and were released on the same date of 2024-08-23.

Head-to-Head Benchmarks

The w7-3555 wins all six Cinebench tests by the same narrow margin. In Cinebench R15 multi-core, it scores 5804 versus 5530 (a 4.7% lead). R15 single-core goes 819 vs 780 (4.8%). R20 multi-core is 24187 vs 23042 (4.7%), and R20 single-core is 3414 vs 3252 (4.7%). R23 multi-core shows 57590 vs 54863 (4.7%), with R23 single-core at 8130 vs 7745 (4.7%). This consistency suggests the w7-3555’s two extra cores and larger cache provide a steady multi-threaded advantage, while the single-core wins likely come from the same architectural benefits despite the w7-2595X’s higher base clock.

PassMark results tell a different story. The w7-3555 wins PassMark multithread with 67754 vs 64628 (4.6%), and crushes the w7-2595X in physics with 5802 vs 2759 (52.4%) and in find prime numbers with 398 vs 259 (34.9%). The extended instructions test is a virtual tie at 77619 vs 77613 (0% difference). However, the w7-2595X takes the remaining seven PassMark tests. It wins integer math by 6.8% (261384 vs 244642), floating-point math by 6.3% (202906 vs 190917), random string sorting by 6.4% (102230 vs 96112), data encryption by 3.7% (49782 vs 48007), and data compression by 1.7% (983046 vs 966970). The single-thread PassMark test goes to the w7-2595X at 3723 vs 3549 (4.9%), with the same result listed under the singlethread variant.

The biggest single delta is in PassMark physics, where the w7-3555 leads by 52.4%. The next largest is find prime numbers at 34.9% in favor of the w7-3555. The w7-2595X’s largest wins are 6.8% in integer math and 6.4% in random string sorting. This split suggests the w7-3555 has a major advantage in physics-based simulation and prime-number algorithms, while the w7-2595X excels at general arithmetic and data manipulation tasks.

FAQ

Q: Which CPU is faster in Cinebench R23 multi-core?

A: The Intel Xeon w7-3555 scores 57590 versus 54863 for the w7-2595X, a 4.7% lead.

Q: Does the w7-2595X win any single-threaded benchmarks?

A: Yes, it wins PassMark single-thread with 3723 versus 3549, a 4.9% margin. However, it loses all three Cinebench single-core tests (R15, R20, R23) by 4.7-4.8%.

Q: How large is the L3 cache difference?

A: The w7-3555 has 75 MB of L3 cache, while the w7-2595X has 48.75 MB — a 26.25 MB difference.

Q: Which processor has more memory bandwidth?

A: The w7-3555 supports eight-channel DDR5 with 307.2 GB/s bandwidth, double the w7-2595X’s quad-channel 153.6 GB/s.

Q: Is the w7-2595X overclockable?

A: Yes, it has an unlocked multiplier. The w7-3555 is locked.

Q: What is the TDP difference?

A: The w7-2595X has a 250 W TDP, while the w7-3555 has a 325 W TDP — a 75 W difference.

Where Each One Wins

The w7-3555 is the clear winner for rendering and physics-heavy workloads. It leads in every Cinebench test (R15, R20, R23, both single and multi-core) by 4.7-4.8%, which makes it the better choice for 3D rendering, video encoding, and other tasks that scale with those benchmarks. Its PassMark physics score of 5802 versus 2759 (52.4% higher) makes it the obvious pick for physics simulation, engineering analysis, or any workload that relies on rigid-body or particle dynamics. The find prime numbers test, where it leads by 34.9% (398 vs 259), indicates an advantage in number-theoretic computations and certain cryptographic workloads. The w7-3555 also wins PassMark multithread by 4.6% (67754 vs 64628), reinforcing its overall multi-core strength.

The w7-2595X wins in data-centric tasks. Its 6.8% lead in integer math (261384 vs 244642) and 6.3% lead in floating-point math (202906 vs 190917) make it better for general-purpose number crunching, financial modeling, and scientific computing that relies on raw arithmetic throughput. It also wins data compression by 1.7% (983046 vs 966970) and data encryption by 3.7% (49782 vs 48007), making it the pick for archive management, database compression, and encryption/decryption services. The random string sorting win by 6.4% (102230 vs 96112) suggests an advantage in text processing, log parsing, and sorting algorithms. Its single-thread PassMark win by 4.9% (3723 vs 3549) hints that lightly-threaded legacy applications may run slightly faster on the w7-2595X, despite the Cinebench single-core results going the other way.

For builders, the decision is straightforward. If your primary tools are Cinebench-heavy renderers or physics simulators, the w7-3555 is the data-backed choice. If your workload involves heavy encryption, compression, or raw integer/floating-point math, the w7-2595X offers measurable wins. The w7-3555 also provides superior platform expansion with eight-channel memory and 112 PCIe lanes, while the w7-2595X offers a lower TDP and unlocked multiplier for overclocking. Both sit at the 97th percentile, so neither is a bad buy — the right pick depends on which benchmark family matches your actual usage.

Specification Differences

The two processors differ on these specifications:

• Cores: w7-3555 has 28, w7-2595X has 26.
• Threads: w7-3555 has 56, w7-2595X has 52.
• Base Clock: w7-2595X runs at 2.80 GHz, w7-3555 at 2.70 GHz.
• Boost Clock: Both are 4.80 GHz.
• TDP: w7-3555 is 325 W, w7-2595X is 250 W.
• Die Size: w7-3555 is listed as 4x 477 mm²; no die size is given for w7-2595X.
• L3 Cache: w7-3555 has 75 MB, w7-2595X has 48.75 MB.
• Memory Bus: w7-3555 is eight-channel, w7-2595X is quad-channel.
• Memory Bandwidth: w7-3555 is 307.2 GB/s, w7-2595X is 153.6 GB/s.
• PCIe Lanes: w7-3555 has 112 Gen 5 lanes, w7-2595X has 64 Gen 5 lanes.
• Multiplier Unlocked: w7-2595X is unlocked, w7-3555 is locked.
• Part Number: w7-3555 is SRN75, w7-2595X is SRN4C.
• Launch MSRP: w7-3555 is $2339, w7-2595X is $2039.

All other listed specifications are identical: 10 nm process node, Sapphire Rapids codename, Intel Socket 4677, 80 KB L1 and 2 MB L2 per core, DDR5 memory support, ECC memory support, no integrated graphics, Server/Workstation market segment, Active production status, and the same release date of 2024-08-23.