Xeon E3-1271 v3 Benchmarks & Performance Report

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Xeon E3-1271 v3 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,934 Rank: 921

Rank	Name	Score	Visual
917	Core i7-7Y75	4,938	+0.1%
918	Xeon D-1577	4,937	+0.1%
919	Core i5-2550K	4,937	+0.1%
920	Xeon Silver 4112	4,934	+0%
921	Xeon E3-1271 v3	4,934
922	Athlon 240GE	4,933	+-0%
923	Ryzen 7 PRO 2700U	4,933	+-0%
924	Core i3-8121U	4,932	+-0%
925	Core i3-6098P	4,931	-0.1%
926	Xeon E5-1607 v4	4,928	-0.1%

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Multicore Score

Multicore performance score for Xeon E3-1271 v3 based on multi-threaded benchmark results.

4,795 Rank: 847

Rank	Name	Score	Visual
843	Core i7-6700TE	4,800	+0.1%
844	Core i7-8665U	4,799	+0.1%
845	Core i7 965	4,796	+0%
846	Atom C3955	4,795	+0%
847	Xeon E3-1271 v3	4,795
848	Core i7-4702HQ	4,795	+0%
849	Intel Core i3-390M	4,793	+-0%
850	FX-8370E	4,793	+-0%
851	Pentium Gold G4560	4,792	-0.1%
852	Core i3-7350K	4,792	-0.1%

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Singlecore Score

Single-core performance score for Xeon E3-1271 v3 based on single-threaded benchmark results.

5,027 Rank: 926

Rank	Name	Score	Visual
922	Xeon D-2123IT	5,034	+0.1%
923	EPYC 7251	5,034	+0.1%
924	Pentium G3440	5,034	+0.1%
925	Ryzen 7 PRO 2700U	5,029	+0%
926	Xeon E3-1271 v3	5,027
927	Core i7-4800MQ	5,027	+0%
928	Core i3-9100TE	5,026	+-0%
929	Core i5-3470	5,023	-0.1%
930	Core i3-4130	5,023	-0.1%
931	Core i7-3840QM	5,021	-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Xeon E3-1271 v3 based on integer math, floating point math, and prime number computation benchmarks.

4,703 Rank: 663

Rank	Name	Score	Visual
659	Core i5-9400H	4,704	+0%
660	Core i5-8279U	4,704	+0%
661	Ryzen 3 5300U	4,704	+0%
662	Ryzen 5 PRO 3400G	4,703	+0%
663	Xeon E3-1271 v3	4,703
664	Xeon E5-2430 v2	4,703	+0%
665	Core i7-980X	4,703	+0%
666	Xeon E3-1230 v6	4,702	+-0%
667	Xeon X5680	4,702	+-0%
668	Core i7-6700	4,701	+-0%

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Data Processing

Aggregated score for Xeon E3-1271 v3 based on data encryption, data compression, and string sorting benchmarks.

4,707 Rank: 666

Rank	Name	Score	Visual
662	Core i5-9400T	4,709	+0%
663	Xeon E3-1535M v6	4,709	+0%
664	Xeon E3-1245 v5	4,709	+0%
665	Xeon E3-1230 V5	4,708	+0%
666	Xeon E3-1271 v3	4,707
667	Xeon E5-2608L v4	4,705	+-0%
668	Ryzen 5 PRO 2500U	4,704	-0.1%
669	Core i7-8559U	4,703	-0.1%
670	Ryzen 5 2500U	4,703	-0.1%
671	Xeon E5-2630L v2	4,703	-0.1%

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Physics & Compute

Aggregated score for Xeon E3-1271 v3 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,733 Rank: 677

Rank	Name	Score	Visual
673	Core i7-4750HQ	4,737	+0.1%
674	Xeon E5-2609 v4	4,736	+0.1%
675	Core i7-8706G	4,735	+0%
676	Core i7-1065G7	4,734	+0%
677	Xeon E3-1271 v3	4,733
678	Xeon E5-2650L v2	4,733	+0%
679	Xeon E3-1225 v5	4,732	+-0%
680	Xeon D-2123IT	4,732	+-0%
681	Core i5-9400H	4,731	+-0%
682	Core i7-7700T	4,731	+-0%

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Xeon E3-1271 v3 Details

As of March 2026, the Intel Xeon E3-1271 v3 remains a capable server-grade processor, though it is now considered a legacy part due to its age. Released in 2014 as part of Intel's Haswell generation, this CPU was designed for entry-level workstations and small business servers, offering a blend of performance and integrated features suitable for professional workloads. Built on a 22 nm process and based on the Haswell microarchitecture, the E3-1271 v3 delivers a solid balance of single-core efficiency and multi-threaded capability, making it relevant for older systems requiring reliable performance without the need for high-end scalability.

The processor features four cores and eight threads, enabled by Intel's Hyper-Threading technology, which allows it to handle multiple tasks simultaneously. It runs at a base frequency of 3.6 GHz, with a turbo boost up to 4.0 GHz, ensuring responsiveness under varying loads. With a TDP of 80 W, it strikes a reasonable power-efficiency trade-off for a server-class chip, especially when paired with a compatible FCLGA1150 motherboard. It supports dual-channel DDR3 and DDR3L memory at speeds up to 1600 MHz, with a maximum capacity of 32 GB and a peak memory bandwidth of 25.6 GB/s. The CPU also includes support for PCIe 3.0, offering flexible expansion with up to 16 lanes, and integrates Intel’s vPro technology, which enhances manageability and security for enterprise environments.

While the Xeon E3-1271 v3 lacks integrated graphics, its performance is well-documented across various benchmarks. It achieves a Passmark Overall Score of 4934, placing it at rank #920 out of 2060 processors, with a Singlecore Score of 5027 (#926) and a Multicore Score of 4795 (#846). These results indicate that it holds its own in single-threaded tasks but lags behind modern high-end CPUs in multi-threaded performance. Compared to its immediate peers, it trails only slightly behind the Core i7-8665U and Core i7-8559U in multicore workloads, yet it outperforms many mainstream desktop CPUs like the Pentium Gold G4560 and FX-8370E. Its single-core performance, while strong for its era, is now overshadowed by modern processors such as the Ryzen 7 PRO 2700U and Core i5-8279U.

Despite being over a decade old, the Xeon E3-1271 v3 still serves as a viable option for legacy systems, light virtualization, or small-scale server applications where cost-effective performance is key. Its support for ECC memory, virtualization technologies (VT-x, VT-d), and Intel vPro features make it a practical choice for environments where data integrity and remote management are priorities. However, for modern applications demanding high throughput or advanced instruction sets like AVX-512, it is clearly outpaced by contemporary designs. In today's landscape, it stands as a testament to Intel's mid-tier server performance of the early 2010s, offering reliable, albeit dated, computing power for niche use cases.