Intel Core i5-7600 vs Intel Xeon E3-1270L v4 Comparison

The Verdict

The Intel Xeon E3-1270L v4 is the faster processor in every recorded benchmark, winning all six head-to-head tests against the Intel Core i5-7600. Its advantage is consistent, with a 16.5% lead in Cinebench R15 multicore, R15 single-core, R20 multicore, R23 multicore, and R23 single-core, and a 16.3% edge in R20 single-core. The Xeon achieves this while drawing 45W TDP versus the i5's 65W, making it the better choice for anyone prioritizing performance per watt. The i5-7600 does have one clear counterargument: it supports DDR4 memory with 38.4 GB/s bandwidth, while the Xeon is locked to DDR3 at 29.9 GB/s. If you are building a system around a modern DDR4 platform, the i5 is the practical fit. If you are upgrading a DDR3-era socket 1150 board and want more multithreaded throughput, the Xeon is the stronger pick. The data also shows the Xeon holds a higher percentile ranking at 43 versus the i5's 42, though both sit close in the overall CPU distribution.

Architecture Differences

The Xeon E3-1270L v4 is a Broadwell-DT part built on Intel's 14 nm process, while the i5-7600 is Kaby Lake, also on 14 nm. Both use the same foundry, Intel. The Xeon has 4 cores and 8 threads, thanks to Hyper-Threading, whereas the i5 has 4 cores and 4 threads with no simultaneous multithreading. This thread count difference is the most important architectural split between the two. The Xeon's die size is listed at 182 mm², while the i5's die size is not recorded. Cache layouts are identical: 64 KB L1 per core, 256 KB L2 per core, and 6 MB shared L3. Memory support diverges sharply. The Xeon uses DDR3 on a dual-channel bus with 29.9 GB/s bandwidth and supports ECC memory. The i5 uses DDR4 on a dual-channel bus with 38.4 GB/s bandwidth and has no ECC support. Both run PCIe Gen 3 with 16 lanes from the CPU. The Xeon targets the server/workstation segment and has no integrated graphics. The i5 is a desktop part with HD 630 integrated graphics. The Xeon's base clock is 3.00 GHz boosting to 3.60 GHz, while the i5 runs at 3.50 GHz base and 4.10 GHz boost. Neither CPU has an unlocked multiplier. The Xeon's release date is earlier, and its production status is not recorded, while the i5 is marked active. The Xeon uses socket 1150, the i5 uses socket 1151, so they are not drop-in interchangeable.

Head-to-Head Benchmarks

The Xeon E3-1270L v4 wins every single benchmark in the comparison. In Cinebench R15 multicore, the Xeon scores 656 against the i5's 563, a 16.5% advantage. The single-core R15 test shows the same pattern: 92 versus 79, again 16.5% ahead. Moving to Cinebench R20, the Xeon posts 2735 multicore and 385 single-core, versus the i5's 2348 and 331, with deltas of 16.5% and 16.3% respectively. The R23 suite repeats the story: the Xeon records 6512 multicore and 919 single-core, compared to the i5's 5591 and 789, a 16.5% lead in both tests. Across every test, the Xeon's lead is remarkably uniform, hovering at 16.5% except for the slightly smaller 16.3% single-core margin in R20. This consistency suggests the Xeon's advantage is not workload-dependent but structural, stemming from its extra threads and higher efficiency per clock in this generation. The i5's higher boost clock of 4.10 GHz does not translate into any single-core win in the recorded data, as the Xeon's lower 3.60 GHz boost still produces higher single-core scores. The i5 also has Geekbench results in its own benchmark list, 3704 multicore and 1344 single-core, but those tests are not part of the head-to-head comparison, so no direct delta is available. The Xeon's average benchmark score is 1883, and the i5's is 1844, a gap of roughly 2% in aggregate.

FAQ

Q: Which CPU is faster in multi-threaded workloads?

A: The Xeon E3-1270L v4 wins all multicore tests, beating the i5-7600 by 16.5% in Cinebench R15, R20, and R23 multicore tests.

Q: Does the i5-7600 win any single-core test?

A: No. The Xeon E3-1270L v4 leads in single-core scores across R15, R20, and R23, despite the i5's higher boost clock of 4.10 GHz versus 3.60 GHz.

Q: Can both processors use the same memory type?

A: No. The Xeon E3-1270L v4 uses DDR3 with 29.9 GB/s bandwidth, while the i5-7600 uses DDR4 with 38.4 GB/s bandwidth. The i5 also lacks ECC support, which the Xeon includes.

Q: Are these CPUs socket-compatible?

A: No. The Xeon E3-1270L v4 uses Intel Socket 1150, and the i5-7600 uses Intel Socket 1151.

Q: Which processor draws less power?

A: The Xeon E3-1270L v4 has a 45W TDP, while the i5-7600 has a 65W TDP.

Q: How do their overall benchmark averages compare?

A: The Xeon E3-1270L v4 has an average benchmark score of 1883, and the i5-7600 has 1844. The Xeon also ranks slightly higher in percentile at 43 versus 42.

Where Each One Wins

The Xeon E3-1270L v4 wins in every recorded benchmark category, so any scenario where raw CPU throughput matters, rendering, compiling, or multi-threaded productivity, favors the Xeon. Its 8 threads give it a structural edge in parallel workloads, which is visible in the consistent 16.5% multicore lead. The Xeon also wins in efficiency-focused builds, as its 45W TDP is significantly lower than the i5's 65W while still delivering higher scores. For users on a socket 1150 board with DDR3 memory, the Xeon is the logical upgrade path. The i5-7600's wins are not in performance but in platform features. It supports DDR4 memory with higher bandwidth, 38.4 GB/s versus 29.9 GB/s, which matters for memory-sensitive tasks that benefit from faster memory throughput. It also includes integrated HD 630 graphics, so a build without a discrete GPU is possible. The i5 is the better choice for a new socket 1151 build where DDR4 is the standard and ECC is not required. The i5's market segment is desktop, while the Xeon is server/workstation, so the i5 may have better BIOS compatibility with consumer boards. In short, the Xeon wins on computation and power, the i5 wins on memory platform and integrated graphics.

Specification Differences

| Specification | Intel Xeon E3-1270L v4 | Intel Core i5-7600 |

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

| Cores | 4 | 4 |

| Threads | 8 | 4 |

| Base Clock | 3.00 GHz | 3.50 GHz |

| Boost Clock | 3.60 GHz | 4.00 GHz |

| TDP | 45W | 65W |

| Socket | Intel Socket 1150 | Intel Socket 1151 |

| Architecture | Broadwell | Kaby Lake |

| Process Node | 14 nm | 14 nm |

| Die Size | 182 mm² | Not recorded |

| L3 Cache | 6 MB (shared) | 6 MB (shared) |

| Memory Support | DDR3 | DDR4 |

| Memory Bus | Dual-channel | Dual-channel |

| Bandwidth | 29.9 GB/s | 38.4 GB/s |

| ECC Memory | Yes | No | ECC Support |

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

| Integrated Graphics | None | HD 630 |

| Market Segment | Server/Workstation | Desktop |

| Production Status | Not recorded | Active |

| Multiplier Unlocked | No | No |

| Part Number | SR2AZ | SR334 |

| Release Date | 2015-06-01 | 2017-01-02 |