Intel Core i3-10105T vs Intel Xeon E3-1260L v5 Comparison

Head-to-Head Benchmarks

The benchmark data records a clean sweep for the Intel Xeon E3-1260L v5 across every single head-to-head test. The Xeon wins all six recorded benchmarks, with margins ranging from 5.1% to 5.2% depending on the specific workload. This is not a narrow or situational advantage; it is a consistent, uniform lead across both multi-core and single-core tests.

The largest single margin appears in Cinebench R15 multi-core, where the Xeon E3-1260L v5 scores 707 against the Core i3-10105T's 670, a delta of 5.2%. The same 5.2% gap appears in Cinebench R23 single-core, where the Xeon posts 990 versus 939. These two tests bookend the pattern: regardless of whether the workload stresses all cores or just one, the Xeon maintains roughly the same proportional advantage.

In Cinebench R20, the Xeon leads by 5.1% in both multi-core (2946 vs 2795) and single-core (415 vs 394). The same 5.1% delta appears in Cinebench R23 multi-core (7015 vs 6656) and Cinebench R15 single-core (99 vs 94). The consistency of these deltas is remarkable. A 5.1% to 5.2% gap, repeated across six different tests, suggests a systematic performance edge rooted in architectural or configuration differences rather than workload-specific quirks.

For the Core i3-10105T, the data offers no benchmark victories to highlight. Its best showing is in Cinebench R23 multi-core, where it reaches 6656 points, but that still trails the Xeon's 7015. The i3 does have a notable advantage in average benchmark score across the broader database, posting 2058 versus the Xeon's 2029. That context matters: the i3's nearest rivals include the Intel Core i7-8705G at 2058 (0% delta) and the AMD Ryzen 5 3400G at 2059 (-0.1% delta), placing it in a competitive mid-range cluster. The Xeon, meanwhile, sits at 45th percentile against all CPUs, just one point below the i3's 46th percentile.

The wins tally is unambiguous: 0 wins for the Core i3-10105T, 6 wins for the Xeon E3-1260L v5. Every recorded benchmark, from the older R15 workload to the more demanding R23, favors the Xeon by a nearly identical margin.

Architecture Differences

Both processors are built on Intel's 14 nm process node, but they belong to different architectural generations. The Core i3-10105T uses Comet Lake, specifically the Comet Lake-R refresh, while the Xeon E3-1260L v5 uses Skylake, designated as Skylake-DT. Both are 14 nm parts manufactured by Intel, but the underlying designs differ in ways that explain the benchmark results.

Core counts are identical: 4 cores and 8 threads on both chips. Both also share the same 64 KB L1 cache per core and 256 KB L2 cache per core. The L3 cache, however, is different. The i3 has 6 MB shared L3, while the Xeon has 8 MB shared L3. That extra 2 MB of shared cache is one plausible contributor to the Xeon's consistent benchmark edge, especially in multi-core workloads where cache contention is more likely.

The Xeon also has a documented transistor count of 1,750 million and a die size of 122 mm². The i3's transistor count and die size are not listed in the database, so no direct comparison is possible there. The Xeon's Skylake-DT design, with its larger cache and server-class lineage, appears to extract more performance from the same 14 nm process.

Memory support differs as well. The i3 supports DDR4 only, while the Xeon supports both DDR3 and DDR4. Both use dual-channel memory buses. The i3 has a higher recorded memory bandwidth at 42.7 GB/s versus the Xeon's 34.1 GB/s. This is a notable specification difference, yet the Xeon still manages to win every benchmark. The i3's faster memory bandwidth does not translate into a performance victory in any recorded test.

ECC memory support is another clear differentiator. The Xeon E3-1260L v5 supports ECC memory; the Core i3-10105T does not. This positions the Xeon for server and workstation reliability scenarios, while the i3 targets desktop use.

The integrated graphics situation is reversed in the i3's favor. The Core i3-10105T includes UHD Graphics 630, while the Xeon E3-1260L v5 has no integrated graphics listed. For systems requiring a display output without a discrete GPU, the i3 has a built-in advantage.

Both chips use PCIe Gen 3 with 16 lanes from the CPU, so expansion capability is equivalent at that level. Neither has an unlocked multiplier, so overclocking is not a differentiating factor.

The socket situation is critical for platform planning. The i3 uses Intel Socket 1200, while the Xeon uses Intel Socket 1151. These are physically and electrically different sockets, meaning the two chips are not interchangeable in the same motherboard. The i3 is also listed as Active production status, while the Xeon is End-of-life, which affects long-term availability.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Core i3-10105T has the higher average benchmark score at 2058, compared to the Xeon E3-1260L v5's 2029. The i3 also sits at the 46th percentile against all CPUs, while the Xeon sits at the 45th percentile.

Q: Does the Xeon E3-1260L v5 win every head-to-head benchmark?

A: Yes. The Xeon wins all six recorded head-to-head tests, with deltas ranging from 5.1% to 5.2% in its favor. The i3 records zero wins in the head-to-head comparison.

Q: What are the TDP ratings for each processor?

A: The Core i3-10105T has a TDP of 35 watts, while the Xeon E3-1260L v5 has a TDP of 45 watts. The i3 is the lower-power part by 10 watts, despite being the slower chip in every benchmark.

Q: Which processor supports ECC memory?

A: The Xeon E3-1260L v5 supports ECC memory. The Core i3-10105T does not support ECC memory.

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

A: Yes. Both the Core i3-10105T and the Xeon E3-1260L v5 have 4 cores and 8 threads. They also share the same L1 cache of 64 KB per core and L2 cache of 256 KB per core.

Q: Which processor has integrated graphics?

A: The Core i3-10105T includes UHD Graphics 630. The Xeon E3-1260L v5 has no integrated graphics listed in the database.

Q: How do their launch MSRPs compare?

A: The Core i3-10105T had a launch MSRP of $134. The Xeon E3-1260L v5 had a launch MSRP of $294.

Specification Differences

| Specification | Intel Core i3-10105T | Intel Xeon E3-1260L v5 |

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

| Base clock | 3.00 GHz | 2.90 GHz |

| Boost clock | 3.90 GHz | 3.90 GHz |

| TDP | 35 W | 45 W |

| Socket | Intel Socket 1200 | Intel Socket 1151 |

| Architecture | Comet Lake | Skylake |

| Codename | Comet Lake-R | Skylake-DT |

| Generation | Core i3 (Comet Lake) | Xeon E3 (Skylake-DT) |

| Transistors | Not listed | 1,750 million |

| Die size | Not listed | 122 mm² |

| L3 cache | 6 MB (shared) | 8 MB (shared) |

| Memory support | DDR4 | DDR3, DDR4 |

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

| ECC memory | No | Yes |

| Integrated graphics | UHD Graphics 630 | None |

| Market segment | Desktop | Server/Workstation |

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

| Release date | 2021-03-15 | 2015-10-18 |

| Launch MSRP | $134 | $294 |

| Part number | SRH3R | SR2LH |

The two chips share several specifications: both are Intel parts on a 14 nm process, both have 4 cores and 8 threads, both use dual-channel memory buses, both support PCIe Gen 3 with 16 lanes from the CPU, and both have locked multipliers. The boost clocks are identical at 3.90 GHz. The base clock differs slightly, with the i3 at 3.00 GHz and the Xeon at 2.90 GHz.

The Xeon is the older part, released in 2015, and is now listed as End-of-life. The i3 was released in 2021 and remains Active. The socket difference (1200 versus 1151) means platform choice determines which chip can be used, not vice versa.

Where Each One Wins

The Xeon E3-1260L v5 wins in raw compute performance across every benchmark category. In Cinebench R15 multi-core, it leads by 5.2%. In Cinebench R20 multi-core, it leads by 5.1%. In Cinebench R23 multi-core, it leads by 5.1%. Single-core results follow the same pattern: leads of 5.1% in R15, 5.1% in R20, and 5.2% in R23. For anyone prioritizing maximum benchmark scores on these specific workloads, the Xeon is the clear choice.

The Xeon also wins for ECC memory support. Systems requiring error-correcting memory, typical of server or workstation environments, must choose the Xeon, as the i3 has no ECC capability. Its server-grade lineage, reflected in its market segment classification, reinforces this use case.

The Core i3-10105T wins in several practical areas. Its TDP of 35 watts is lower than the Xeon's 45 watts, making it the more power-efficient option for thermally constrained systems. It has a higher memory bandwidth rating at 42.7 GB/s versus 34.1 GB/s, which could benefit memory-sensitive workloads even though it loses all recorded CPU benchmarks. It includes UHD Graphics 630, enabling systems without a discrete GPU to output display. Its average benchmark score of 2058 edges out the Xeon's 2029, and it holds a 46th percentile ranking versus the Xeon's 45th.

The i3 also wins on platform currency. It uses the Intel Socket 1200, is listed as Active production, and was released in 2021. The Xeon uses Intel Socket 1151, is End-of-life, and dates to 2015. For new system builds, the i3 offers a more current platform with ongoing availability.

The Verdict

The benchmark data is one-sided. The Xeon E3-1260L v5 wins all six head-to-head tests, with every margin falling between 5.1% and 5.2%. The Core i3-10105T never beats it in any recorded workload. If the decision rests solely on benchmark performance, the Xeon is the stronger processor.

However, the verdict changes based on system requirements. The Core i3-10105T is the pick for low-power builds, with a 35-watt TDP that undercuts the Xeon's 45 watts. It is the pick for systems needing integrated graphics, since the Xeon has none. It is the pick for users who prioritize the higher memory bandwidth of 42.7 GB/s and the higher average benchmark score of 2058. It is also the pick for anyone building on the Intel Socket 1200 platform with a preference for currently Active production parts.

The Xeon E3-1260L v5 is the pick for maximum multi-threaded and single-threaded compute on the recorded benchmarks. Its 8 MB of shared L3 cache, larger than the i3's 6 MB, likely contributes to its consistent edge. It is the only option here for ECC memory support, making it the data-integrity choice for server and workstation workloads. Its dual memory support for DDR3 and DDR4 adds platform flexibility that the i3 cannot match.

The launch MSRP difference is notable: $134 for the i3 versus $294 for the Xeon. But the Xeon's higher launch price was attached to a server-class part with ECC support, and it still wins every benchmark. The i3, despite its lower TDP, higher memory bandwidth, newer release date, and integrated graphics, cannot overcome the Xeon's performance lead in any recorded test.

For buyers who need the fastest possible scores on Cinebench workloads and can use ECC memory, the Xeon E3-1260L v5 is the data-backed winner. For buyers who need integrated graphics, lower power draw, or a current production platform, the Core i3-10105T is the appropriate choice despite its benchmark deficit. The data does not support recommending the i3 on raw performance grounds, but it does support recommending it on platform and feature grounds.