Intel Core i7-8550U vs Intel Xeon Gold 6326 Comparison

FAQ

Q: Which processor is faster in single-threaded workloads?

A: The Intel Xeon Gold 6326 wins every single-core benchmark in the database. In Cinebench R23 single-core, it scores 3939 versus 695 for the Core i7-8550U, a margin of roughly 82.4%.

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

A: The Xeon Gold 6326 dominates all multi-core tests. In Cinebench R20 multi-core, it scores 11719, while the Core i7-8550U manages 2068. The Xeon leads by approximately 82.4% in this test.

Q: What are the core and thread counts for each chip?

A: The Core i7-8550U has 4 cores and 8 threads. The Xeon Gold 6326 has 16 cores and 32 threads.

Q: Do both processors support ECC memory?

A: No. The Xeon Gold 6326 supports ECC memory, while the Core i7-8550U does not.

Q: Which processor has a higher boost clock?

A: The Core i7-8550U boosts to 4.00 GHz, which is higher than the Xeon Gold 6326's boost of 3.50 GHz. However, the Xeon's higher base clock of 2.90 GHz versus 1.80 GHz helps it in sustained workloads.

Q: What is the production status of both CPUs?

A: Both are listed as Active in the database.

Architecture Differences

The two processors come from entirely different design points. The Core i7-8550U is a Kaby Lake-R part built on Intel's 14 nm process, using the Kaby Lake architecture. It is a mobile-focused chip with a 15 W TDP, designed for thin-and-light laptops. The Xeon Gold 6326 is an Ice Lake-SP server processor on the 10 nm node, built for datacenter and workstation duty with a 185 W TDP.

Core counts differ massively: 4 cores and 8 threads on the i7-8550U versus 16 cores and 32 threads on the Xeon Gold 6326. Cache hierarchies reflect this. The i7-8550U has 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3. The Xeon Gold 6326 has the same 64 KB L1 per core but 1 MB of L2 per core and 24 MB of shared L3. That is triple the L3 capacity and four times the per-core L2.

Memory support also differs. Both use DDR4, but the Xeon Gold 6326 has an eight-channel memory bus and a recorded memory bandwidth of 204.8 GB/s. The i7-8550U has no memory bus width or bandwidth figures in the database. ECC memory is available on the Xeon but not on the mobile chip. The Xeon also brings PCIe Gen 4 with 64 lanes (CPU only), while the i7-8550U has no PCIe data recorded.

The i7-8550U integrates UHD 620 graphics, which the Xeon lacks entirely. Sockets are incompatible: the i7 uses Intel BGA 1356, while the Xeon uses Intel Socket 4189. The release dates are far apart, the i7-8550U launching in August 2017 and the Xeon Gold 6326 in April 2021.

Head-to-Head Benchmarks

The Xeon Gold 6326 wins all six head-to-head comparisons in the database. There are no benchmark wins for the Core i7-8550U. The pattern is consistent across both single-core and multi-core tests, with the Xeon holding a roughly 82% advantage in every category.

In Cinebench R15 multi-core, the Xeon scores 2812 versus 496 for the i7-8550U, a delta of -82.4%. The single-core R15 result is 396 versus 69, also -82.6%. Moving to Cinebench R20, the multi-core gap is 11719 versus 2068, and single-core 1654 versus 291. Both show -82.4%. Cinebench R23 multi-core has the Xeon at 27904 and the i7 at 4926, with the single-core test at 3939 versus 695. Each of those results carries a delta of approximately -82.3% to -82.4%.

What these numbers show is not just a linear scaling from core count. The Xeon has 4 times the cores and 4 times the threads of the i7-8550U, yet the multi-core scores are about 5.7 times higher in R23 (27904 divided by 4926). That points to additional advantages in memory bandwidth, cache, and per-core throughput. Even in single-core tests, where the i7's higher boost clock might be expected to help, the Xeon still leads by a wide margin. The 4.00 GHz boost on the i7 does not translate into a single-core win; the Xeon's 3.50 GHz boost, combined with the newer Ice Lake architecture, is simply more efficient.

The i7-8550U does have PassMark scores recorded for tasks like data compression (74223), integer math (20770), and floating point math (12523). The Xeon Gold 6326 has no PassMark entries in this comparison, so those workloads cannot be directly compared. But every Cinebench test in the database favors the Xeon without exception.

Specification Differences

The two processors differ in nearly every measurable specification. Core count: 4 versus 16. Threads: 8 versus 32. Base clock: 1800 MHz versus 2900 MHz. Boost clock: 4000 MHz versus 3500 MHz. TDP: 15 W versus 185 W. Socket: BGA 1356 versus Socket 4189.

Process node: 14 nm versus 10 nm. Architecture: Kaby Lake versus Ice Lake. Codename: Kaby Lake-R versus Ice Lake-SP. Generation: Core i7 (Kaby Lake-U Refresh) versus Xeon Gold (Ice Lake-SP). Die size: 123 mm² for the i7, no figure recorded for the Xeon.

Cache: L1 is the same at 64 KB per core, but L2 differs (256 KB per core versus 1 MB per core) and L3 differs sharply (8 MB shared versus 24 MB shared). Memory support is DDR4 for both, but the Xeon adds an eight-channel bus and 204.8 GB/s bandwidth. ECC memory: false on the i7, true on the Xeon. PCIe: none recorded for the i7, Gen 4 with 64 lanes for the Xeon.

Integrated graphics: UHD 620 on the i7, none on the Xeon. Market segment: Mobile versus Server/Workstation. Release date: August 2017 versus April 2021. Part number: SR3LC for the i7, no part number for the Xeon. Both have locked multipliers.

The average benchmark score from the database is 8407 for the i7-8550U and 8071 for the Xeon Gold 6326. Both sit at the 64th percentile among all CPUs. The nearest rivals for the i7 include the Intel Xeon Gold 5318N at 8433 (-0.3% delta) and the Intel Core i5-10210U at 8344 (+0.7%). For the Xeon, the closest rivals are the Intel Xeon Platinum 8180M at 8110 (-0.5%) and the Intel Core i3-8100 at 8123 (-0.6%).

The Verdict

Benchmark results indicate a clean sweep for the Intel Xeon Gold 6326 across all six recorded Cinebench tests. The i7-8550U does not win a single comparison. If the task is raw compute throughput, the Xeon is the only choice from this data.

The i7-8550U is a mobile processor with a 15 W TDP, integrated graphics, and a smaller cache footprint. It is designed for laptops where power draw and heat matter more than absolute performance. The Xeon Gold 6326 is a server/workstation part with 16 cores, 32 threads, ECC memory support, eight-channel DDR4, and PCIe Gen 4. It draws 185 W and requires a Socket 4189 platform.

The percentile ranking is identical at 64, which is a reminder that the i7-8550U is not a weak chip in the broader database. Its average score of 8407 is actually slightly higher than the Xeon's 8071, driven by the PassMark results that are only recorded for the i7. But in the shared Cinebench tests, the Xeon is overwhelmingly faster.

There is no scenario in the data where the i7-8550U beats the Xeon Gold 6326. The i7's higher boost clock (4.00 GHz versus 3.50 GHz) does not overcome the Xeon's architectural advantages. The verdict is straightforward: for compute-heavy workloads, the Xeon Gold 6326 is the superior processor. The i7-8550U remains relevant only for mobile use cases where power efficiency and integrated graphics are priorities.

Where Each One Wins

Intel Core i7-8550U: This chip wins in scenarios that are not measured by the shared benchmarks. Its 15 W TDP makes it suitable for thin laptops and fanless designs. The integrated UHD 620 graphics provide display output without a discrete GPU. The smaller die size (123 mm²) and lower power envelope are advantages for portable systems. The i7 also has PassMark scores for data compression (74223), integer math (20770), and floating point math (12523), which are not available for the Xeon in this database, so those specific workloads cannot be compared. If the goal is battery life, low heat, and a compact platform, the i7-8550U is the only option here.

Intel Xeon Gold 6326: This processor wins every measured benchmark. In Cinebench R23 multi-core, it scores 27904 versus 4926, a 5.7x advantage. Single-core R23 shows 3939 versus 695. The Xeon's 16 cores and 32 threads, 24 MB L3 cache, eight-channel memory bus, and 204.8 GB/s bandwidth make it the clear pick for rendering, simulation, virtualization, and any multi-threaded server workload. ECC memory support is a critical feature for data integrity in server environments. PCIe Gen 4 with 64 lanes allows for high-speed storage and multiple accelerators. The 185 W TDP is a trade-off, but the performance data justifies it.

The database records 6 wins for the Xeon and 0 for the i7-8550U. There is no benchmark category in the shared tests where the i7 comes out ahead. For a builder choosing between these two, the decision rests on platform and workload. Mobile, power-sipping, graphics-integrated systems point to the i7-8550U. Server racks, workstations, and any CPU-bound compute task point squarely to the Xeon Gold 6326.