Xeon E3-1231 v3

Details and Benchmarks for Intel Xeon E3-1231 v3

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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 E3-1231 v3 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,268 Rank: 643
Rank Name Score Visual
639 Xeon Gold 6252 5,273
+0.1%
640 Core i7-4940MX 5,272
+0.1%
641 Core i3-8300T 5,269
+0%
642 Core i7-10750H 5,269
+0%
643 Xeon E3-1231 v3 5,268
644 Core i7-6770HQ 5,264
-0.1%
645 Xeon Silver 4215 5,262
-0.1%
646 Core i5-6600T 5,261
-0.1%
647 Xeon E3-1265L v3 5,260
-0.2%
648 Intel Core i7-3770K 5,259
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1231 v3 based on multi-threaded benchmark results.

4,996 Rank: 646
Rank Name Score Visual
642 Xeon E5-2666 v3 5,000
+0.1%
643 Core i5-1038NG7 4,999
+0.1%
644 Xeon E3-1280 v5 4,998
+0%
645 Ryzen 3 5425U 4,997
+0%
646 Xeon E3-1231 v3 4,996
647 Core i3-10300 4,996
+0%
648 Ryzen 3 5400U 4,996
+0%
649 Core i7-4790T 4,992
-0.1%
650 Xeon E3-1270 v5 4,991
-0.1%
651 Core i7-4771 4,991
-0.1%

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Singlecore Score

Single-core performance score for Xeon E3-1231 v3 based on single-threaded benchmark results.

5,449 Rank: 595
Rank Name Score Visual
591 Core i5-8500T 5,451
+0%
592 Core i5-7400 5,451
+0%
593 Xeon Gold 5222 5,449
+0%
594 Core i3-6100 5,449
+0%
595 Xeon E3-1231 v3 5,449
596 FX-8300 5,448
+-0%
597 Xeon Silver 4309Y 5,447
+-0%
598 Xeon Platinum 8168 5,444
-0.1%
599 Ryzen 5 1500X 5,444
-0.1%
600 Core i7-6920HQ 5,442
-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 E3-1231 v3 based on integer math, floating point math, and prime number computation benchmarks.

4,691 Rank: 700
Rank Name Score Visual
696 Core i7-4770HQ 4,692
+0%
697 Core i5-7640X 4,691
+0%
698 Core i7-8705G 4,691
+0%
699 Core i7-4770 4,691
+0%
700 Xeon E3-1231 v3 4,691
701 Core i7-4940MX 4,691
+0%
702 Core i7-970 4,691
+0%
703 Ryzen 5 PRO 2400G 4,690
+-0%
704 Xeon E3-1535M V5 4,689
+-0%
705 Xeon E3-1245 v3 4,689
+-0%

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Data Processing

Aggregated score for Xeon E3-1231 v3 based on data encryption, data compression, and string sorting benchmarks.

4,691 Rank: 698
Rank Name Score Visual
694 Xeon E3-1270 V2 4,692
+0%
695 Core i5-9300H 4,691
+0%
696 Core i7-3770K 4,691
+0%
697 Xeon E3-1240 v3 4,691
+0%
698 Xeon E3-1231 v3 4,691
699 Ryzen 3 2300X 4,690
+-0%
700 Core i5-8300H 4,689
+-0%
701 Xeon E3-1535M V5 4,689
+-0%
702 Core i7-7920HQ 4,689
+-0%
703 Core i5-8500T 4,689
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon E3-1231 v3 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,724 Rank: 700
Rank Name Score Visual
696 Xeon E3-1220 v5 4,724
+0%
697 Core i7-6820EQ 4,724
+0%
698 Core i5-6600 4,724
+0%
699 Xeon E3-1246 v3 4,724
+0%
700 Xeon E3-1231 v3 4,724
701 Xeon E3-1225 v6 4,722
+-0%
702 Core i7-7820HQ 4,721
-0.1%
703 Core i5-7500 4,721
-0.1%
704 Core i3-8100 4,721
-0.1%
705 Core i5-1035G4 4,720
-0.1%

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Xeon E3-1231 v3 Details

As of March 2026, the Intel Xeon E3-1231 v3 remains a niche performer in the broader CPU landscape, having been released in May 2014 as part of Intel's Haswell-WS lineup. Though long past its prime in terms of technology and market relevance, it continues to serve in legacy workstations and server environments where its features—such as ECC memory support and virtualization capabilities—still offer value. The processor is built on a 22 nm process and features a 4-core, 8-thread design, leveraging Hyper-Threading to deliver strong multithreaded performance for its era. Its base frequency of 3.4 GHz and turbo boost up to 3.8 GHz, combined with a 64-bit architecture and support for AVX2, made it competitive in compute-intensive workloads at launch.

The Xeon E3-1231 v3 operates on the FCLGA1150 socket and supports dual-channel DDR3 memory up to 1600 MT/s, with a maximum capacity of 32 GB. It includes an L3 cache of 7.629 MiB, along with 0.061 MiB of L1 and 0.244 MiB of L2 cache, contributing to its efficient data handling. Despite lacking integrated graphics, the processor supports a wide array of enterprise-level features including Intel VT-x, VT-d, and Intel vPro, making it well-suited for virtualized and mission-critical applications. The 80 W TDP reflects its power consumption profile, requiring adequate cooling in sustained workloads.

In benchmark testing, the Xeon E3-1231 v3 achieves a single-core score of 5449, placing it at #593 out of 2060 processors, and a multicore score of 4996, ranking #646. Its overall score of 5268 lands it at #643, indicating that while it still holds its own against some mid-tier modern CPUs, it is significantly outpaced by contemporary offerings. Performance-wise, the processor competes closely with CPUs like the Core i7-4771 and Xeon E3-1270 v5, but trails behind newer chips such as the Ryzen 3 5425U and Core i5-1038NG7. Its strongest performance category is single-core, where it ranks ahead of several modern low-power processors, though it falls behind top-tier designs in both multicore and overall performance.

The Xeon E3-1231 v3 is best suited for legacy systems, small business servers, or workstations where ECC memory and virtualization are critical, and where cost-effective upgrade paths are prioritized over cutting-edge performance. While its benchmarks place it far from the top 50 in any category, its combination of reliability, enterprise features, and modest power draw ensure it retains relevance in specific industrial and server contexts. As of 2026, however, it is clearly a legacy platform, and its real-world impact is increasingly defined by its role in older infrastructure rather than as a competitive consumer or professional processor.
Frequently Compared

Intel Xeon Silver 4112 39 views

Intel Xeon E5-2687W v4 38 views

Intel Xeon E5-2650L v4 32 views

Intel Xeon Silver 4114 31 views

AMD Ryzen 7 2700X 31 views

AMD Ryzen 3 PRO 2200GE 30 views

AMD Ryzen 9 PRO 3900 30 views

Intel Xeon Silver 4110 29 views

Intel Xeon Silver 4210 28 views

AMD Ryzen 5 PRO 3500U 27 views

Intel Xeon E3-1231 v3

Main Specifications

Designer: Intel
Name: Xeon E3-1231 v3
Model Number: E3-1231V3
Cores: 4
Threads: 8
Base Frequency: 3400 MHz
Clock Multiplier: 34x (locked)
Core Name: Haswell-WS
Socket: FCLGA1150
Package: FC-LGA12C
Target Segment: Workstation
Max CPUs: 1
TDP: 80 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR3 and DDR3L 1333/1600 at 1.5V
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8, 1x8/2x4

Integrated Graphics

GPU: None
GPU Designer: Intel
GPU Max Frequency: 1150 MHz

Physical Specifications

Process: 22 nm
Die Area: 160 mm²
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 AES F16C x86-64 HT TBT 2.0 EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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