Intel Core i5-1130G7 vs Intel Xeon E3-1280 v5 Comparison

The Intel Xeon E3-1280 v5 and the Intel Core i5-1130G7 are separated by five years of architecture, yet their benchmark scores are nearly indistinguishable. The data shows a 2015 server processor and a 2020 mobile chip landing within 0.1% of each other in average benchmark score, making this a comparison defined by extreme parity rather than generational dominance. The Xeon edges out the Core i5 in every single Cinebench test, but the margins are so thin they fall within run-to-run variance.

Head-to-Head Benchmarks

The Xeon E3-1280 v5 wins all six head-to-head Cinebench comparisons, but the victories are purely nominal. In Cinebench R15 multicore, the Xeon scores 707 against the Core i5's 706, a 0.1% delta. The single-core R15 test is a dead tie at 99 points for both processors. This pattern holds across every workload generation.

Cinebench R20 multicore shows the Xeon at 2946 versus the Core i5 at 2942, again a 0.1% difference. The R20 single-core test produces identical scores of 415 for both chips. Moving to Cinebench R23, the Xeon posts 7015 in multicore while the Core i5 manages 7006, a 0.1% gap. The R23 single-core result is 990 for the Xeon and 989 for the Core i5, another 0.1% margin.

The largest measurable win for the Xeon is just 9 points in Cinebench R23 multicore. The average benchmark score tells the same story: the Xeon sits at 2029, while the Core i5 is at 2026. In the nearestRivals data, the Xeon lists the Core i5 as a rival with a deltaPct of 0.1%, and the Core i5 lists the Xeon with a deltaPct of -0.1%. These are effectively identical processors in raw compute performance.

Where Each One Wins

The Xeon E3-1280 v5 wins every benchmark test in this comparison, but the practical interpretation requires context. The Xeon leads by 0.1% in Cinebench R15 multicore, R20 multicore, and R23 multicore. It ties in Cinebench R15 single-core and R20 single-core, then leads by 0.1% in R23 single-core. The data shows a consistent, if microscopic, advantage for the server part.

The Core i5-1130G7 does not win a single benchmark in this head-to-head set. However, its losses are all within 0.1%, meaning real-world applications would not distinguish between these two processors based on raw throughput. The Core i5's advantage lies entirely outside the Cinebench results — in its integrated Iris Xe Graphics G7 80EU, which the Xeon lacks entirely. The Xeon has no integrated graphics, so any workload requiring display output or GPU acceleration would favor the Core i5 by default.

For users prioritizing raw CPU compute in Cinebench-style workloads, the Xeon has a nominal edge. For users needing a complete mobile package with graphics, the Core i5 is the only option with a GPU. The data does not show any workload category where the Core i5 outperforms the Xeon in CPU-bound tests.

Architecture Differences

The architectural gap between these two chips is substantial despite their benchmark parity. The Xeon E3-1280 v5 uses the Skylake architecture on a 14 nm process node with a die size of 122 mm² and 1,750 million transistors. The Core i5-1130G7 uses Tiger Lake on a 10 nm process node, with the transistor count and die size not listed in the data. Both have 4 cores and 8 threads, but the cache layouts differ significantly.

The Xeon has 64 KB of L1 cache per core and 256 KB of L2 per core, with 8 MB of shared L3. The Core i5 has 96 KB of L1 per core and a much larger 1.25 MB of L2 per core, also with 8 MB of shared L3. The Core i5's larger per-core L2 cache reflects a newer design philosophy, but the shared L3 remains identical at 8 MB.

Memory support is DDR4 dual-channel for both, but the Core i5 lists a memory bandwidth of 68.3 GB/s while the Xeon does not specify a bandwidth figure. The Xeon supports ECC memory, while the Core i5 does not. PCIe connectivity differs: the Xeon uses Gen 3 with 16 CPU lanes, while the Core i5 uses Gen 4 with 16 CPU lanes. The Core i5 also includes integrated graphics, which the Xeon completely lacks.

The base clock rates are wildly different on paper: the Xeon runs at 3.70 GHz and the Core i5 at 1100.00 MHz, though both boost to 4.00 GHz. The Core i5's low base clock is typical of a 15 W mobile part, while the Xeon's 80 W TDP reflects its server/workstation positioning. The Xeon uses the Intel Socket 1151, while the Core i5 uses Intel BGA 1598, making them completely incompatible platforms.

The production status differs: the Xeon is end-of-life, released in 2015, while the Core i5 is active, released in 2020. The Xeon carries a launch MSRP of $612, while the Core i5 has no listed launch MSRP. Neither processor has an unlocked multiplier.

The Verdict

The benchmark data supports one clear conclusion: choose based on platform and feature needs, not raw performance. The Xeon E3-1280 v5 wins all six head-to-head tests, but its maximum advantage is 0.1% — a margin that is statistically irrelevant for real workloads. The Xeon's 45th percentile ranking among all CPUs matches the Core i5's 45th percentile exactly, and their average benchmark scores differ by just 3 points out of roughly 2,000.

Users building a server or workstation on Socket 1151 with ECC memory requirements should pick the Xeon. It is the only one of the two with ECC support, and its 80 W TDP fits a desktop-class cooling solution. The Xeon's end-of-life status is a consideration, but its performance parity with a much newer chip means it remains viable for compute tasks.

Users targeting a mobile platform or needing integrated graphics should pick the Core i5. It is an active product with Iris Xe Graphics G7 80EU, a 15 W TDP suited for laptops, and Gen 4 PCIe connectivity. The Core i5 also has a massive L2 cache advantage at 1.25 MB per core versus 256 KB per core, which could benefit certain workloads even if Cinebench does not reflect it.

The data shows no functional performance winner. The Xeon wins every benchmark, but only by margins of 0.0% to 0.1%. The Core i5 counters with a newer process node, integrated graphics, and a much lower power envelope. The verdict is a tie on compute, with the Xeon taking the server segment and the Core i5 taking the mobile segment.

FAQ

Q: Which processor has a higher Cinebench R23 multicore score?

A: The Intel Xeon E3-1280 v5 scores 7015 in Cinebench R23 multicore, while the Intel Core i5-1130G7 scores 7006. The Xeon leads by 0.1%.

Q: Are these processors equivalent in single-core performance?

A: The data shows near-identical results. In Cinebench R15 single-core, both score 99. In R20 single-core, both score 415. In R23 single-core, the Xeon scores 990 and the Core i5 scores 989.

Q: Does the Core i5-1130G7 support ECC memory?

A: No. The Core i5-1130G7 does not support ECC memory, while the Intel Xeon E3-1280 v5 does.

Q: What are the TDP differences between these two chips?

A: The Xeon E3-1280 v5 has a TDP of 80 W, while the Core i5-1130G7 has a TDP of 15 W. This reflects the Xeon's server/workstation segment versus the Core i5's mobile segment.

Q: Which processor has integrated graphics?

A: Only the Intel Core i5-1130G7 has integrated graphics, specifically Iris Xe Graphics G7 80EU. The Xeon E3-1280 v5 has no integrated graphics listed.

Q: How do their average benchmark scores compare?

A: The Xeon E3-1280 v5 has an average benchmark score of 2029, and the Core i5-1130G7 has an average score of 2026. The Xeon is 0.1% higher, and both rank in the 45th percentile of all CPUs.

Specification Differences

| Specification | Intel Xeon E3-1280 v5 | Intel Core i5-1130G7 |

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

| Architecture | Skylake | Tiger Lake |

| Codename | Skylake-DT | Tiger Lake-U |

| Process Node | 14 nm | 10 nm |

| Base Clock | 3.70 GHz | 1100.00 MHz |

| Boost Clock | 4.00 GHz | 4.00 GHz |

| TDP | 80 W | 15 W |

| Socket | Intel Socket 1151 | Intel BGA 1598 |

| L1 Cache | 64 KB (per core) | 96 KB (per core) |

| L2 Cache | 256 KB (per core) | 1.25 MB (per core) |

| L3 Cache | 8 MB (shared) | 8 MB (shared) |

| Memory Bandwidth | Not listed | 68.3 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 4, 16 Lanes (CPU only) |

| Integrated Graphics | None | Iris Xe Graphics G7 80EU |

| Market Segment | Server/Workstation | Mobile |

| Production Status | End-of-life | Active |

| Release Date | 2015-10-18 | 2020-09-01 |

| Transistors | 1,750 million | Not listed |

| Die Size | 122 mm² | Not listed |

| Launch MSRP | $612 | Not listed |

| Part Number | SR2LC | Not listed |