Intel Core i5-10300H vs Intel Xeon Gold 6346 Comparison

# Intel Core i5-10300H vs Intel Xeon Gold 6346

The Intel Core i5-10300H is a 4-core mobile processor from the Comet Lake generation, while the Intel Xeon Gold 6346 is a 16-core server/workstation chip built on the Ice Lake architecture. Benchmark data shows the Xeon winning all six head-to-head Cinebench comparisons, with deltas ranging from -78% to -78.2% in favor of the Xeon. The Core i5 carries a 65th percentile ranking among all CPUs, and the Xeon Gold also sits at the 65th percentile, yet the raw performance gap between them is substantial across every measured workload.

FAQ

Q: Which processor scores higher in multi-core Cinebench R23?

A: The Intel Xeon Gold 6346 scores 31,650 in Cinebench R23 multi-core, compared to 6,950 for the Core i5-10300H. This represents a 78% advantage for the Xeon, the same delta seen across all Cinebench versions tested.

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

A: The Xeon Gold 6346 leads in every single-core test. In Cinebench R23 single-core, it scores 4,468 versus 981 for the Core i5, a 78% difference. The R20 single-core results show 1,876 for the Xeon and 412 for the Core i5, also a 78% gap.

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

A: The Core i5-10300H has 4 cores and 8 threads, while the Xeon Gold 6346 has 16 cores and 32 threads. The Xeon provides four times the cores and four times the threads of the mobile chip.

Q: Do both processors support ECC memory?

A: No. The Xeon Gold 6346 supports ECC memory, while the Core i5-10300H does not. This reflects their different market segments: the Xeon targets server/workstation reliability, while the Core i5 is a mobile part.

Q: What memory channels does each processor use?

A: The Core i5-10300H uses dual-channel memory with a bandwidth of 46.9 GB/s. The Xeon Gold 6346 uses eight-channel memory with a bandwidth of 204.8 GB/s, which is more than four times higher.

Q: Which processor has a higher boost clock?

A: The Core i5-10300H has a boost clock of 4.50 GHz, while the Xeon Gold 6346 has a boost clock of 3.60 GHz. Despite the Xeon's lower boost frequency, it wins all single-threaded benchmark comparisons.

Architecture Differences

The two processors come from different Intel generations and manufacturing nodes. The Core i5-10300H is built on the Comet Lake architecture using a 14 nm process, while the Xeon Gold 6346 uses the Ice Lake architecture on a 10 nm node. The foundry for both is Intel, but the process generations differ significantly.

Cache hierarchies diverge substantially. Both chips have 64 KB of L1 cache per core. The L2 cache is 256 KB per core on the Core i5, but 1 MB per core on the Xeon Gold. Total L3 cache is 6 MB shared on the Core i5 versus 36 MB shared on the Xeon, a sixfold difference. The Xeon's larger per-core L2 and much larger shared L3 reflect its server-oriented design.

Memory support differs in scope. The Core i5 supports DDR3 and DDR4 memory in a dual-channel configuration with 46.9 GB/s bandwidth. The Xeon Gold supports only DDR4 but in an eight-channel configuration with 204.8 GB/s bandwidth. The Xeon also adds ECC memory support, which is absent on the Core i5.

PCIe capabilities separate the two as well. The Core i5 runs PCIe Gen 3, while the Xeon Gold supports PCIe Gen 4 with 64 lanes on the CPU. The Core i5 includes integrated UHD Graphics, while the Xeon Gold has no integrated graphics. Socket types differ: the Core i5 uses Intel BGA 1440, and the Xeon Gold uses Intel Socket 4189. The Core i5 is a mobile part with a 45 W TDP, while the Xeon Gold is a server/workstation chip with a 205 W TDP.

Head-to-Head Benchmarks

The head-to-head data covers six Cinebench tests, and the Xeon Gold 6346 wins all of them. The smallest delta is -78% and the largest is -78.2%, meaning the Core i5 scores roughly 78% lower than the Xeon in every test. The consistency of this gap across both single-core and multi-core workloads is notable.

In Cinebench R15 multi-core, the Xeon scores 3,190 against 700 for the Core i5, a -78.1% delta. The R15 single-core test shows 450 versus 98, a -78.2% delta. Moving to R20, the multi-core result is 13,293 for the Xeon and 2,919 for the Core i5, a -78% delta. The R20 single-core test shows 1,876 versus 412, also -78%.

Cinebench R23 follows the same pattern. Multi-core scores are 31,650 for the Xeon and 6,950 for the Core i5, a -78% delta. Single-core results are 4,468 for the Xeon and 981 for the Core i5, again -78%. The Xeon's advantage is remarkably uniform across all three Cinebench versions, indicating that the performance gap scales consistently regardless of the workload generation.

The Core i5's own benchmark suite shows competitive single-threaded performance relative to its mobile peers, but it cannot match the Xeon's raw throughput. The Core i5 scores 705 in 3DMark single-thread and 1,321 in Geekbench single-core, while the Xeon's single-core Cinebench results dwarf the Core i5's by nearly 4.5 times.

The Verdict

The data makes the hierarchy clear. The Xeon Gold 6346 outperforms the Core i5-10300H in every benchmark category tested, with a uniform 78% advantage across all Cinebench workloads. The Core i5 wins zero head-to-head comparisons, and the Xeon wins all six.

The Core i5-10300H is positioned for mobile computing with a 45 W TDP, integrated graphics, and dual-channel memory. The Xeon Gold 6346 is a server/workstation processor with a 205 W TDP, eight-channel memory, ECC support, and PCIe Gen 4 with 64 lanes. These are fundamentally different product categories, and the benchmark results reflect that divide.

For users comparing these two, the choice depends entirely on the use case. The Core i5 is a mobile processor for laptops, while the Xeon Gold is a server chip for multi-socket or high-core-count workstations. The Xeon's 16 cores and 32 threads provide massive parallel throughput, while the Core i5's 4 cores and 8 threads are suited for lighter mobile workloads. The Xeon's higher single-core scores also mean it wins even in lightly threaded tasks, despite its lower boost clock.

Specification Differences

The two processors differ in nearly every specification field. The Core i5-10300H has 4 cores and 8 threads, while the Xeon Gold 6346 has 16 cores and 32 threads. Base clocks are 2.50 GHz for the Core i5 and 3.10 GHz for the Xeon. Boost clocks are 4.50 GHz for the Core i5 and 3.60 GHz for the Xeon.

TDP is 45 W for the Core i5 and 205 W for the Xeon. The Core i5 uses Intel BGA 1440 socket, while the Xeon uses Intel Socket 4189. Architecture is Comet Lake for the Core i5 and Ice Lake for the Xeon. Process node is 14 nm for the Core i5 and 10 nm for the Xeon.

L2 cache is 256 KB per core on the Core i5 versus 1 MB per core on the Xeon. L3 cache is 6 MB shared on the Core i5 versus 36 MB shared on the Xeon. Memory support is DDR3 and DDR4 for the Core i5, with dual-channel bus and 46.9 GB/s bandwidth. The Xeon supports DDR4 with eight-channel bus and 204.8 GB/s bandwidth. ECC memory is false on the Core i5 and true on the Xeon. PCIe is Gen 3 for the Core i5 and Gen 4 with 64 lanes for the Xeon. Integrated graphics are present on the Core i5 (UHD Graphics) and absent on the Xeon. Market segment is Mobile for the Core i5 and Server/Workstation for the Xeon. Release dates are 2020-09-16 for the Core i5 and 2021-04-05 for the Xeon.

Where Each One Wins

The Xeon Gold 6346 wins all six head-to-head benchmark comparisons, so the performance advantage is unambiguous. In multi-core workloads, the Xeon's 16 cores and 32 threads deliver scores that are consistently 78% higher than the Core i5 across R15, R20, and R23. This makes the Xeon the clear choice for heavily threaded server workloads, virtualization, or any task that can utilize many cores.

The Xeon also wins single-core tests, despite the Core i5 having a higher boost clock. The Xeon's single-core scores in R15, R20, and R23 are all roughly 4.5 times higher than the Core i5's, indicating superior per-core efficiency from the newer Ice Lake architecture. Even in single-threaded tasks, the Xeon is the stronger performer.

The Core i5-10300H does not win any head-to-head benchmark, but its lower TDP of 45 W versus 205 W makes it suitable for mobile platforms. Its integrated UHD Graphics eliminates the need for a discrete GPU in basic systems. Its dual-channel memory and DDR3 support offer flexibility for older or lower-power designs. The Core i5 is the only option for laptop or compact mobile form factors, while the Xeon Gold 6346 targets rack-mounted servers and high-end workstations where power and cooling are not constraints.