CPU Comparison

The Intel Core i3-10320 and the Intel Xeon 6315P are both four-core Intel processors, but they target completely different segments of the market. The benchmark data shows a surprisingly lopsided rivalry: the Xeon 6315P wins 14 of the 17 head-to-head tests, while the Core i3-10320 manages only 3 wins. However, the nature of those wins reveals a clear split between general compute and specialized workloads.

Head-to-Head Benchmarks

The most striking pattern in the data is the Xeon 6315P's dominance across almost every Cinebench iteration. In Cinebench R23 multi-core, the Xeon scores 10134 against the Core i3's 8486, a 16.3% advantage. The single-core gap is nearly identical: 1430 versus 1198, or 16.2% in the Xeon's favor. This consistency extends to Cinebench R15 and R20, where the deltaPct remains pinned at approximately -16.3% for multi-core and -16.2% for single-core. That uniformity suggests a fundamental per-clock performance advantage rather than any workload-specific quirk.

The PassMark suite tells a more nuanced story. The Xeon 6315P's biggest win comes in find_prime_numbers, where it scores 150 versus the Core i3's 32, a massive 78.7% margin. Floating point math is another decisive Xeon victory: 33496 versus 19483, a 41.8% lead. The Xeon also wins data_encryption by 36.8% (5470 versus 3458), physics by 40.4% (1156 versus 689), and single-thread by 25.1% (3795 versus 2841). These are not marginal differences; they are generational leaps in raw execution capability.

Yet the Core i3-10320 fights back in three specific PassMark tests. Its most substantial win is in random_string_sorting, where it scores 17821 versus the Xeon's 14487, a 23% advantage. It also wins data_compression by 18.5% (140255 versus 118313) and integer_math by 14.9% (31071 versus 27046). Those wins are notable because they suggest the Core i3's higher base clock of 3.80 GHz and 8 threads provide a tangible advantage in certain memory-latency-sensitive or thread-scheduling-heavy tasks.

Looking at the average benchmark scores, the two processors are nearly identical overall: the Core i3-10320 averages 14852, while the Xeon 6315P averages 14574. That puts the Core i3 slightly ahead by about 1.9%. Both sit at the 69th percentile of all CPUs, and their nearest rivals include the Intel Core i5-9600K (which scores 14605) and the AMD Ryzen 3 4100 (14505). The Xeon 6315P's closest match is the AMD EPYC 7473X at 14574, a 0% delta, indicating the Xeon's performance profile is well-understood in the server space.

The Verdict

From the data alone, the Intel Xeon 6315P is the faster processor in the majority of workloads. It wins every single Cinebench test by a consistent 16.2-16.3% margin, and it dominates in PassMark's floating point, encryption, physics, and prime number tests by margins ranging from 25% to 78.7%. If you are running rendering, scientific computation, encryption, or any workload that stresses the FPU or single-thread performance, the Xeon is the clear choice.

The Intel Core i3-10320, however, wins the three tests that matter for desktop responsiveness and certain data-handling tasks: data compression, random string sorting, and integer math. Its 8 threads versus the Xeon's 4 threads are the likely cause. For users who compress files, sort large datasets, or run integer-heavy database queries, the Core i3 delivers 14.9% to 23% better performance in those specific areas.

Who should pick which? If you need a server/workstation CPU with ECC memory support, PCIe Gen 5, and superior multi-core and single-core rendering performance, the Xeon 6315P is the data-backed selection. If you are building a desktop where data compression and integer math are the primary tasks, and you value the higher base clock and 8 threads, the Core i3-10320 holds its own. The Xeon's 55W TDP also indicates far lower power consumption than the Core i3's 91W, which is a practical consideration for dense server deployments.

Architecture Differences

The two CPUs come from different eras and process nodes. The Intel Core i3-10320 is built on Comet Lake using Intel's 14 nm process, with a die size not listed in the data. The Intel Xeon 6315P uses Raptor Lake architecture on a 10 nm process, with a die size of 163 mm². This node advantage is the primary driver of the Xeon's superior performance per clock.

Core and thread counts differ meaningfully: the Core i3 has 4 cores and 8 threads, while the Xeon has 4 cores and 4 threads. That means the Core i3 can handle two threads per core, which explains its wins in integer math and data compression where extra threads help. The Xeon compensates with a higher boost clock of 4.70 GHz versus the Core i3's 4.60 GHz, and a much higher single-thread score of 3795 versus 2841.

Cache hierarchies are also distinct. The Core i3 has 64 KB L1 per core, 256 KB L2 per core, and 8 MB shared L3. The Xeon has 80 KB L1 per core, 1.25 MB L2 per core, and 12 MB shared L3. The Xeon's larger L2 cache (nearly 5x per core) and 50% more L3 cache are likely contributors to its floating point and physics test wins.

Memory support differs significantly. The Core i3 supports only DDR4 in dual-channel configuration, with a memory bandwidth of 42.7 GB/s. The Xeon supports both DDR4 and DDR5 in dual-channel, with memory bandwidth not listed. The Xeon also supports ECC memory, while the Core i3 does not. This makes the Xeon suitable for error-correcting workloads in servers.

PCIe capabilities are a major differentiator. The Core i3 uses PCIe Gen 3 with 16 lanes, while the Xeon uses PCIe Gen 5 with 16 lanes. That is a massive bandwidth improvement for the Xeon, enabling faster NVMe drives and GPUs. The Core i3 includes integrated UHD Graphics 630, while the Xeon has no integrated graphics. The Xeon's market segment is Server/Workstation, while the Core i3 is Desktop.

FAQ

Q: Which CPU has a higher single-core Cinebench R23 score?

A: The Intel Xeon 6315P scores 1430, which is 16.2% higher than the Intel Core i3-10320's 1198.

Q: Does the Core i3-10320 win any benchmark tests?

A: Yes, it wins 3 tests: PassMark data compression (140255 versus 118313), integer math (31071 versus 27046), and random string sorting (17821 versus 14487).

Q: What is the TDP difference between the two processors?

A: The Intel Core i3-10320 has a TDP of 91W, while the Intel Xeon 6315P has a TDP of 55W, making the Xeon significantly more power-efficient.

Q: Which CPU supports ECC memory?

A: Only the Intel Xeon 6315P supports ECC memory. The Intel Core i3-10320 does not have ECC support.

Q: What are their average benchmark scores and percentiles?

A: The Core i3-10320 has an average benchmark score of 14852, and the Xeon 6315P has 14574. Both are at the 69th percentile of all CPUs.

Q: Which CPU has a higher boost clock?

A: The Intel Xeon 6315P has a boost clock of 4.70 GHz, which is slightly higher than the Core i3-10320's 4.60 GHz.

Where Each One Wins

The Intel Xeon 6315P wins in all rendering tests (Cinebench R15, R20, R23) by a consistent 16.3% margin, making it the better choice for video editing, 3D modeling, and any multi-threaded creative workload. It also wins PassMark physics by 40.4%, floating point math by 41.8%, and encryption by 36.8%, making it ideal for scientific simulations, financial modeling, and security-related tasks. Its single-thread score is 25.1% higher, so any software that relies on a single heavy thread, legacy applications, certain game engines, or spreadsheet recalculation, will feel snappier on the Xeon.

The Intel Core i3-10320 wins in data compression by 18.5%, which directly translates to faster file archiving (ZIP, RAR, 7z) and backup operations. Its integer math win of 14.9% benefits database indexing, hash calculations, and image processing that uses integer arithmetic. The 23% advantage in random string sorting makes it the better pick for text processing, log analysis, and sorting algorithms.

For a desktop user who primarily compresses files, runs integer-heavy scripts, or needs the integrated UHD Graphics 630 for basic display output without a discrete GPU, the Core i3-10320 is the pragmatic choice. For a server administrator or workstation user who needs ECC memory, PCIe Gen 5, and the raw compute power for rendering and encryption, the Xeon 6315P is the superior hardware based on its 14 benchmark wins.

Specification Differences

The following specifications differ between the two processors, based on the data provided:

• Threads: Core i3-10320 has 8 threads; Xeon 6315P has 4 threads.
• Base Clock: Core i3-10320 runs at 3.80 GHz; Xeon 6315P at 2.80 GHz.
• Boost Clock: Core i3-10320 boosts to 4.60 GHz; Xeon 6315P to 4.70 GHz.
• TDP: Core i3-10320 is rated at 91W; Xeon 6315P at 55W.
• Socket: Core i3-10320 uses Intel Socket 1200; Xeon 6315P uses Intel Socket 1700.
• Process Node: Core i3-10320 is 14 nm; Xeon 6315P is 10 nm.
• Die Size: Core i3-10320 is not listed; Xeon 6315P is 163 mm².
• L1 Cache: Core i3-10320 has 64 KB per core; Xeon 6315P has 80 KB per core.
• L2 Cache: Core i3-10320 has 256 KB per core; Xeon 6315P has 1.25 MB per core.
• L3 Cache: Core i3-10320 has 8 MB shared; Xeon 6315P has 12 MB shared.
• Memory Support: Core i3-10320 supports DDR4 only; Xeon 6315P supports DDR4 and DDR5.
• Memory Bandwidth: Core i3-10320 is 42.7 GB/s; Xeon 6315P is not listed.
• ECC Memory: Core i3-10320 does not support ECC; Xeon 6315P does.
• PCIe: Core i3-10320 is Gen 3 with 16 lanes; Xeon 6315P is Gen 5 with 16 lanes.
• Integrated Graphics: Core i3-10320 has UHD Graphics 630; Xeon 6315P has N/A.
• Market Segment: Core i3-10320 is Desktop; Xeon 6315P is Server/Workstation.
• Release Date: Core i3-10320 released 2020-04-29; Xeon 6315P released 2025-02-23.
• Launch MSRP: Xeon 6315P has a launch MSRP of $213; Core i3-10320 has none listed.
• Part Number: Core i3-10320 is SRH3G; Xeon 6315P is SRPLX.