Xeon E3-1275 v6

Details and Benchmarks for Intel Xeon E3-1275 v6

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 v6 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,172 Rank: 728
Rank Name Score Visual
724 Xeon E-2176M 5,181
+0.2%
725 Xeon E3-1230 v3 5,180
+0.2%
726 Core i5-1035G7 5,177
+0.1%
727 Xeon Gold 5115 5,177
+0.1%
728 Xeon E3-1275 v6 5,172
729 Core i5-7360U 5,172
+0%
730 Xeon E3-1220 v5 5,171
+-0%
731 Core i7 X 000 5,168
-0.1%
732 Core i3-1115G4 5,167
-0.1%
733 Core i5-6500 5,166
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1275 v6 based on multi-threaded benchmark results.

4,859 Rank: 773
Rank Name Score Visual
769 Celeron 847E 4,869
+0.2%
770 Xeon E3-1245 v6 4,868
+0.2%
771 Core i3-9100F 4,866
+0.1%
772 Core i3-6100H 4,861
+0%
773 Xeon E3-1275 v6 4,859
774 Pentium Gold G5620 4,859
+0%
775 Core i7-4770K 4,859
+0%
776 Core i7-7820HK 4,857
+-0%
777 Core i7-4900MQ 4,856
-0.1%
778 Core i7-4770HQ 4,856
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E3-1275 v6 based on single-threaded benchmark results.

5,380 Rank: 662
Rank Name Score Visual
658 Core i3-9100T 5,385
+0.1%
659 Core i5-8400T 5,384
+0.1%
660 Core i7-5557U 5,384
+0.1%
661 Xeon E5-2690 v4 5,382
+0%
662 Xeon E3-1275 v6 5,380
663 EPYC 7552 5,377
-0.1%
664 Xeon E5-4627 v4 5,377
-0.1%
665 Ryzen 3 2200G 5,377
-0.1%
666 Xeon Gold 5317 5,377
-0.1%
667 Core i5-4670 5,376
-0.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Xeon E3-1275 v6 based on integer math, floating point math, and prime number computation benchmarks.

4,734 Rank: 601
Rank Name Score Visual
597 Xeon E5-2640 v2 4,738
+0.1%
598 Ryzen 3 4100 4,737
+0.1%
599 Ryzen 3 PRO 4350GE 4,737
+0.1%
600 Ryzen 3 PRO 4350G 4,736
+0%
601 Xeon E3-1275 v6 4,734
602 Core i3-10300 4,734
+0%
603 Xeon E3-1280 v6 4,732
+-0%
604 Core i7-3930K 4,731
-0.1%
605 Core i7-1068NG7 4,729
-0.1%
606 Core i5-9400T 4,728
-0.1%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1275 v6 based on data encryption, data compression, and string sorting benchmarks.

4,753 Rank: 600
Rank Name Score Visual
596 Xeon Silver 4108 4,759
+0.1%
597 Xeon E5-2640 v2 4,759
+0.1%
598 Core i5-9400F 4,757
+0.1%
599 Core i5-9400 4,757
+0.1%
600 Xeon E3-1275 v6 4,753
601 Core i5-8600T 4,753
+0%
602 Xeon E3-1286 v3 4,753
+0%
603 Core i7-10710U 4,751
+-0%
604 Xeon W3690 4,751
+-0%
605 Xeon E-2324G 4,751
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon E3-1275 v6 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,806 Rank: 566
Rank Name Score Visual
562 Xeon E-2244G 4,807
+0%
563 Xeon E5-2643 v2 4,807
+0%
564 Ryzen 5 PRO 4650U 4,807
+0%
565 Core i3-9350KF 4,806
+0%
566 Xeon E3-1275 v6 4,806
567 Core i3-10300 4,805
+-0%
568 Core i7-9850HE 4,805
+-0%
569 Core i5-1235U 4,804
+-0%
570 Ryzen 5 2600X 4,803
-0.1%
571 Xeon E5-2660 v2 4,803
-0.1%

View full ranking →

Xeon E3-1275 v6 Details

Built on Intel's Kaby Lake microarchitecture and fabricated on a 14 nm process, the Xeon E3-1275 v6 is a server-grade processor that has been in the market since 2017. While it's now over eight years old, its design remains relevant in specific professional and workstation environments due to its integrated features and ECC memory support. This processor is part of Intel's E3-1200 v6 series and is targeted at entry-level server and workstation applications where reliability and memory integrity are critical.

The Xeon E3-1275 v6 features four cores and eight threads, enabled by Intel's Hyper-Threading technology, allowing it to handle multithreaded workloads efficiently. It operates at a base frequency of 3.8 GHz and can boost up to 4.2 GHz on a single core, with slightly reduced frequencies under higher core loads. It is built on a 14 nm CMOS process and uses the LGA-1151 socket, which was common in Intel's mainstream platforms during that era. The processor includes 8 MiB of L3 cache, 1 MiB of L2 cache, and 0.25 MiB of L1 cache, providing a balanced memory hierarchy for its class. It supports DDR3L-1866 and DDR4-2400 memory across two channels, with a maximum memory capacity of 64 GB and a peak bandwidth of 35.76 GiB/s.

Integrated into the Xeon E3-1275 v6 is Intel’s HD Graphics P630 GPU, featuring 24 execution units and a base frequency of 350 MHz, capable of boosting up to 1.15 GHz. This GPU supports up to three display outputs and is suitable for basic graphics tasks and video playback, making it ideal for systems without discrete graphics. The processor also supports a wide range of instruction sets, including AVX2, AES-NI, and VT-x, and includes features such as Intel VT-d, Intel Trusted Execution Technology, and ECC memory support, which are essential for enterprise environments.

In benchmark testing, the Xeon E3-1275 v6 achieves a single-core score of 5380, placing it at #662 among 2060 processors, and a multicore score of 4859, ranking it #773. Its overall score of 5172 positions it at #728 in the broader ranking, indicating strong performance for its class despite its age. While it trails behind modern high-end CPUs, it competes well against other mid-tier processors like the Core i3-9100F and Xeon D-1521. In the Passmark suite, it scores 4734 in number crunching, 4753 in data processing, and 4806 in physics compute, demonstrating consistent performance across various workloads.

As of March 2026, the Xeon E3-1275 v6 remains a viable option for legacy systems, light virtualization, and embedded applications where cost-effective reliability is more important than raw performance. Its combination of integrated graphics, ECC support, and multi-threading capabilities makes it suitable for small business servers, development workstations, and light rendering tasks. While not competitive with today’s top-tier processors, it continues to serve niche markets where its features and stability are valued over cutting-edge performance.
Frequently Compared

AMD Ryzen Threadripper 7970X 47 views

AMD Ryzen 5 PRO 3500U 23 views

AMD Ryzen 3 PRO 2200GE 20 views

AMD Ryzen Threadripper 3970X 19 views

AMD Ryzen 9 PRO 3900 17 views

AMD EPYC 7452 17 views

AMD EPYC 7302P 17 views

Intel Core i7-9850H 16 views

Intel Xeon W-3245 15 views

AMD Ryzen Embedded R1505G 14 views

Intel Xeon E3-1275 v6

Main Specifications

Designer: Intel
Name: Xeon E3-1275 v6
Family: Xeon
Series: E3-1200
Model Number: E3-1275
Cores: 4
Threads: 8
Base Frequency: 3800 MHz
Turbo Frequency (1 core): 4200 MHz
Turbo Frequency (2 cores): 4100 MHz
Turbo Frequency (3 cores): 4100 MHz
Turbo Frequency (4 cores): 4000 MHz
Clock Multiplier: 38x (locked)
Microarchitecture: Kaby Lake
Core Name: Kaby Lake DT
Core Family: 6
Core Model: 158
Socket: LGA-1151
Package: FCLGA-1151
Chipset: Sunrise Point and Union Point
Target Segment: Server
Max CPUs: 1
TDP: 73 W
Release Price: $339.00

Cache Specifications

L1 Cache: 256 KiB
L1 Instruction Cache: 128 KiB (8-way set associative)
L1 Data Cache: 128 KiB (8-way set associative)
L2 Cache: 1 MiB (4-way set associative)
L3 Cache: 8 MiB (16-way set associative)

Memory Specifications

Supported Memory Type: DDR3L-1866 and DDR4-2400
Memory Channels: 2
Maximum Memory: 64 GB
Maximum Bandwidth: 35.76 GB/s
ECC Support: Yes

Integrated Graphics

GPU: HD Graphics P630
GPU Designer: Intel
GPU Max Frequency: 1150 MHz
Execution Units: 24

Physical Specifications

Process: 14 nm
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT MPX SGX Secure Key SMEP AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD NM KPT PTT MBE Ctrl
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