Xeon E3-1275 V2

Details and Benchmarks for Intel Xeon E3-1275 V2

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

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 E3-1275 V2 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,966 Rank: 900
Rank Name Score Visual
896 Xeon E5-2697 v2 4,975
+0.2%
897 Core i7-6560U 4,972
+0.1%
898 Core i7-7560U 4,970
+0.1%
899 Core i5-6500T 4,967
+0%
900 Xeon E3-1275 V2 4,966
901 Core i5-3570K 4,964
+-0%
902 Core i7-3840QM 4,962
-0.1%
903 Athlon Gold 7220U 4,962
-0.1%
904 Xeon D-2123IT 4,960
-0.1%
905 Core i7-4700HQ 4,958
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1275 V2 based on multi-threaded benchmark results.

4,813 Rank: 827
Rank Name Score Visual
823 Core i7-7820HQ 4,817
+0.1%
824 Core i7-3920XM 4,815
+0%
825 Xeon W-2125 4,814
+0%
826 Xeon E5-2609 v4 4,813
+0%
827 Xeon E3-1275 V2 4,813
828 Pentium G4400T 4,812
+-0%
829 Pentium G4400 4,812
+-0%
830 Core i7-2600K 4,812
+-0%
831 Core i7-870 4,811
+-0%
832 Core i5-6500 4,808
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E3-1275 V2 based on single-threaded benchmark results.

5,068 Rank: 899
Rank Name Score Visual
895 Core i7-4700HQ 5,074
+0.1%
896 Core i5-6260U 5,070
+0%
897 Celeron G4930 5,070
+0%
898 Xeon E3-1275 v3 5,070
+0%
899 Xeon E3-1275 V2 5,068
900 Core i5-6300HQ 5,067
+-0%
901 Xeon Silver 4208 5,065
-0.1%
902 Xeon Silver 4214 5,063
-0.1%
903 Xeon Silver 4116T 5,063
-0.1%
904 Celeron G3950 5,062
-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 E3-1275 V2 based on integer math, floating point math, and prime number computation benchmarks.

4,680 Rank: 724
Rank Name Score Visual
720 Core i5-1035G1 4,682
+0%
721 Ryzen 7 2800H 4,682
+0%
722 Ryzen 5 2600H 4,681
+0%
723 Xeon E5-2620 v2 4,681
+0%
724 Xeon E3-1275 V2 4,680
725 Xeon X5670 4,680
+0%
726 Core i7-7820HQ 4,679
+-0%
727 Core i7-6920HQ 4,679
+-0%
728 Core i7-4770S 4,679
+-0%
729 Xeon E5-2420 v2 4,679
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1275 V2 based on data encryption, data compression, and string sorting benchmarks.

4,696 Rank: 685
Rank Name Score Visual
681 Xeon E3-1280 v2 4,698
+0%
682 Xeon E3-1275 v3 4,697
+0%
683 Xeon E5-1630 v4 4,696
+0%
684 Core i7-4770K 4,696
+0%
685 Xeon E3-1275 V2 4,696
686 Core i5-8259U 4,695
+-0%
687 Core i7-8705G 4,695
+-0%
688 Core i7-7700T 4,694
+-0%
689 Core i7-4770 4,694
+-0%
690 Xeon E5-2420 v2 4,693
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Xeon E3-1275 V2 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,674 Rank: 789
Rank Name Score Visual
785 Ryzen 5 PRO 3400G 4,675
+0%
786 Xeon D-1622 4,675
+0%
787 Core i7-8665U 4,675
+0%
788 Core i5-4570 4,674
+0%
789 Xeon E3-1275 V2 4,674
790 Core i5-1035G1 4,672
+-0%
791 Ryzen 5 2400G 4,672
+-0%
792 Core i5-4570S 4,672
+-0%
793 Core i7-4770T 4,672
+-0%
794 Xeon E3-1280 v2 4,672
+-0%

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Xeon E3-1275 V2 Details

Built on Intel's Ivy Bridge microarchitecture and manufactured on a 22 nm process, the Xeon E3-1275 v2 represents a server-class processor launched in May 2012. While now considered a legacy part by modern standards, it was a capable mid-range CPU during its time, particularly for workstation and entry-level server environments. Its 64-bit architecture supports a range of advanced instruction sets including AVX, AVX2, AES-NI, and Intel's virtualization technologies such as VT-x and VT-d, making it suitable for virtualized workloads and data-intensive applications. The processor is built around a quad-core design with Hyper-Threading, effectively delivering eight threads for improved multitasking and parallel processing.

The Xeon E3-1275 v2 operates at a base frequency of 3.5 GHz, with a turbo frequency reaching 3.9 GHz under load, enabling dynamic performance scaling. It features 8 MB of L3 cache and 0.244 MiB of L2 cache, contributing to efficient data access and reduced latency. The integrated Intel HD P4000 graphics support up to three displays and operate at a base frequency of 650 MHz, with a burst frequency of 1250 MHz, allowing for basic visual workloads without a discrete GPU. The CPU is packaged in an FCLGA1155 socket and has a TDP of 77 W, making it relatively power-efficient for a processor of its era. It supports dual-channel DDR3-1333/1600 memory with up to 32 GB of total memory capacity and a maximum bandwidth of 25.6 GB/s.

In benchmark testing, the Xeon E3-1275 v2 achieves an overall score of 4966, ranking it #900 out of 2060 processors, with a single-core score of 5068 (#899) and a multicore score of 4813 (#826). While these results place it well below modern high-end CPUs, they reflect a strong performance for its generation. The single-core performance is particularly competitive, slightly outperforming several mid-tier Intel and AMD chips from later years. In contrast, its multicore performance is less dominant, indicating that its strengths lie in sequential workloads rather than heavy parallel processing. This positioning suggests the processor is best suited for applications where high single-threaded efficiency matters more than massive multithreaded throughput.

As of March 2026, the Xeon E3-1275 v2 remains relevant in niche scenarios such as legacy system support, low-power workstations, or embedded environments where ECC memory support, virtualization features, and stability are prioritized. Its integrated graphics and support for advanced features like AES-NI and Intel vPro make it a viable option for basic office automation, light multimedia editing, and networked server applications. However, its age and limited scalability mean it should not be considered for modern gaming, content creation, or high-performance computing tasks. The processor serves as a reliable, albeit outdated, workhorse for environments where cost-effective, stable computing is essential.
Frequently Compared

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Intel Xeon E3-1275 V2

Main Specifications

Designer: Intel
Name: Xeon E3-1275 V2
Model Number: E3-1275V2
Cores: 4
Threads: 8
Base Frequency: 3500 MHz
Clock Multiplier: 35x (locked)
Core Name: Ivy Bridge
Socket: FCLGA1155
Package: FC-LGA12C
Target Segment: Server
Max CPUs: 1
TDP: 77 W

Cache Specifications

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

Memory Specifications

Supported Memory Type: DDR3 1333/1600
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: 40
PCIe Configuration: 1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4

Integrated Graphics

GPU: HD Graphics P4000
GPU Designer: Intel
GPU Max Frequency: 1250 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 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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