Intel Core i3-10300 vs Intel Xeon E3-1575M v5 Comparison

FAQ

Q: Which processor has the higher boost clock speed?

A: The Intel Core i3-10300 reaches 4.40 GHz, while the Intel Xeon E3-1575M v5 tops out at 3.90 GHz. The i3-10300 also has a higher base clock at 3.70 GHz versus 3.00 GHz for the Xeon.

Q: Do both processors have the same core and thread configuration?

A: Yes, both are 4-core, 8-thread parts. They also share identical L1 cache (64 KB per core), L2 cache (256 KB per core), and L3 cache (8 MB shared).

Q: Which processor supports ECC memory?

A: The Intel Xeon E3-1575M v5 supports ECC memory, while the Intel Core i3-10300 does not. The Xeon also supports both DDR3 and DDR4, whereas the i3-10300 supports only DDR4.

Q: What are the socket requirements for each chip?

A: The Intel Core i3-10300 uses Intel Socket 1200, a desktop platform. The Intel Xeon E3-1575M v5 uses Intel BGA 1440, which is a soldered mobile/server form factor.

Q: Which processor has the higher memory bandwidth?

A: The Intel Core i3-10300 has a memory bandwidth of 42.7 GB/s, compared to 34.1 GB/s for the Intel Xeon E3-1575M v5. Both run dual-channel memory.

Q: How do their integrated graphics differ?

A: The Intel Core i3-10300 features UHD Graphics 630, while the Intel Xeon E3-1575M v5 includes Iris Pro Graphics P580. The Xeon also carries a higher launch MSRP of $1207.

Where Each One Wins

The Intel Core i3-10300 wins every single benchmark in the head-to-head comparison. Across all six Cinebench tests, the i3-10300 finishes ahead of the Xeon E3-1575M v5, with margins ranging from 1.2% to 2.2%. The largest advantage comes in Cinebench R15 single-core, where the i3-10300 leads by 2.2%. In the other five tests, the gap sits at a narrow 1.2% to 1.3%.

The Xeon E3-1575M v5 does not win any benchmark in this comparison. However, it holds advantages in areas outside raw render performance. The Xeon supports ECC memory, which matters for workstations and servers where data integrity is critical. It also supports both DDR3 and DDR4 memory, giving platform flexibility. The Xeon uses a lower TDP of 45 watts, which suits compact or thermally constrained systems.

The i3-10300 is the clear choice for single-threaded and multi-threaded Cinebench workloads. Its higher base and boost clocks, combined with a newer architecture generation, deliver consistent wins. The Xeon is better positioned for ECC-dependent server or workstation environments, despite losing every render test.

Architecture Differences

The Intel Core i3-10300 is built on Comet Lake, a 10th Generation Core architecture, while the Intel Xeon E3-1575M v5 uses Skylake, specifically the Skylake-H variant. Both are manufactured on Intel's 14 nm process node, so the transistor density and power characteristics of the node itself are identical. The i3-10300 belongs to the Core i3 generation labeled Comet Lake, while the Xeon belongs to the Xeon E3 Skylake-H generation.

The Xeon E3-1575M v5 has published transistor and die size figures: 2,300 million transistors on a 171 mm² die. The i3-10300 does not have these figures recorded in the database. Despite the architectural generation gap, both processors share the same cache hierarchy: 64 KB L1 per core, 256 KB L2 per core, and 8 MB shared L3.

The integrated graphics differ significantly. The i3-10300 uses UHD Graphics 630, while the Xeon E3-1575M v5 uses Iris Pro Graphics P580, a more advanced GPU solution for its time. The memory controllers also differ: the i3-10300 supports DDR4 only, while the Xeon supports both DDR3 and DDR4. The Xeon adds ECC memory support, which the i3-10300 lacks.

The market segments diverge sharply. The i3-10300 is a desktop part, while the Xeon E3-1575M v5 targets server and workstation platforms. The Xeon's BGA 1440 socket indicates a soldered, non-upgradeable mounting, whereas the i3-10300 uses Socket 1200, a standard desktop socket. The production status also differs: the i3-10300 is active, while the Xeon is end-of-life.

Specification Differences

| Specification | Intel Core i3-10300 | Intel Xeon E3-1575M v5 |

|---|---|---|

| Base clock | 3.70 GHz | 3.00 GHz |

| Boost clock | 4.40 GHz | 3.90 GHz |

| TDP | 62 W | 45 W |

| Socket | Intel Socket 1200 | Intel BGA 1440 |

| Architecture | Comet Lake | Skylake |

| Codename | Comet Lake | Skylake-H |

| Transistors | Not recorded | 2,300 million |

| Die size | Not recorded | 171 mm² |

| Memory support | DDR4 | DDR3, DDR4 |

| Memory bandwidth | 42.7 GB/s | 34.1 GB/s |

| ECC memory | No | Yes |

| Integrated graphics | UHD Graphics 630 | Iris Pro Graphics P580 |

| Market segment | Desktop | Server/Workstation |

| Production status | Active | End-of-life |

| Release date | 2020-04-29 | 2016-01-23 |

| Launch MSRP | Not recorded | $1207 |

The i3-10300 runs at higher clocks, draws more power, and has greater memory bandwidth. The Xeon offers ECC support, a lower TDP, and dual memory type compatibility. The Xeon is the older part by roughly four years, and its production status confirms it is no longer manufactured.

Head-to-Head Benchmarks

The Intel Core i3-10300 dominates the Cinebench suite. In Cinebench R15 multi-core, the i3-10300 scores 673 against 665 for the Xeon, a 1.2% lead. In R15 single-core, the gap widens to 2.2%, with scores of 95 and 93 respectively. These are small absolute differences, but they appear consistently across every test.

Cinebench R20 results show a similar pattern. The i3-10300 posts 2808 in multi-core versus 2774 for the Xeon, again a 1.2% margin. In single-core, the i3-10300 scores 396 against 391, a 1.3% advantage. The Xeon stays within striking distance in all cases, but never overtakes.

Cinebench R23, the newest test in the set, repeats the trend. The i3-10300 scores 6687 in multi-core, while the Xeon scores 6607, for a 1.2% win. In single-core, the i3-10300 reaches 944 versus 932, a 1.3% margin. The i3-10300 wins all six head-to-head tests, with zero wins for the Xeon.

The average benchmark scores reflect this overall balance. The i3-10300 has an average benchmark score of 1934, while the Xeon sits at 1910. Both processors land at the 43rd percentile among all CPUs in the database. The i3-10300's nearest rivals include the Intel Core i7-1180G7 and AMD Opteron 6348, each with an average score of 1930 and a delta of 0.2%, plus the Intel Core i7-7820HQ at 1940 with a delta of -0.3%. The Xeon's nearest rivals include the AMD Ryzen 5 PRO 2400GE at 1910 with a delta of 0%, the Intel Xeon E-2314 at 1911 with a delta of -0.1%, and the Intel Xeon E3-1285 v4 at 1908 with a delta of 0.1%.

The benchmark data shows the i3-10300 as the faster processor in every recorded test. The margins are narrow, never exceeding 2.2%, but they are uniform. The Xeon's lower clocks and older architecture cost it a small but consistent amount of performance. For users prioritizing Cinebench render workloads, the i3-10300 is the stronger part. The Xeon's ECC support and lower power draw remain its distinguishing features, but they do not translate into benchmark wins.