Xeon E3-1280 v5

Details and Benchmarks for Intel Xeon E3-1280 v5

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 E3-1280 v5 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,455 Rank: 515
Rank Name Score Visual
511 Core i5-8500B 5,462
+0.1%
512 Core i7-10870H 5,460
+0.1%
513 Core i5-8400 5,459
+0.1%
514 Ryzen 3 5400U 5,459
+0.1%
515 Xeon E3-1280 v5 5,455
516 Core i5-10400F 5,455
+0%
517 Core i7-5960X 5,453
+-0%
518 Core i7-5950HQ 5,446
-0.2%
519 Ryzen 3 4100 5,445
-0.2%
520 Core i7-8705G 5,443
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1280 v5 based on multi-threaded benchmark results.

4,998 Rank: 644
Rank Name Score Visual
640 Ryzen 3 3300X 5,004
+0.1%
641 Xeon E-2176M 5,000
+0%
642 Xeon E5-2666 v3 5,000
+0%
643 Core i5-1038NG7 4,999
+0%
644 Xeon E3-1280 v5 4,998
645 Ryzen 3 5425U 4,997
+-0%
646 Xeon E3-1231 v3 4,996
+-0%
647 Core i3-10300 4,996
+-0%
648 Ryzen 3 5400U 4,996
+-0%
649 Core i7-4790T 4,992
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E3-1280 v5 based on single-threaded benchmark results.

5,760 Rank: 383
Rank Name Score Visual
379 Ryzen 3 5400U 5,767
+0.1%
380 Ryzen 9 4900HS 5,766
+0.1%
381 Core i5-7600 5,765
+0.1%
382 Core i7-9800X 5,764
+0.1%
383 Xeon E3-1280 v5 5,760
384 Core i5-1145G7E 5,760
+0%
385 Ryzen Threadripper 1950X 5,759
+-0%
386 Core i7-7800X 5,757
-0.1%
387 Ryzen 7 1800X 5,757
-0.1%
388 Ryzen 7 PRO 5850U 5,757
-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 E3-1280 v5 based on integer math, floating point math, and prime number computation benchmarks.

4,709 Rank: 643
Rank Name Score Visual
639 Xeon E-2124G 4,711
+0%
640 Core i7-1185GRE 4,711
+0%
641 Xeon E3-1270 v5 4,710
+0%
642 Xeon E5-1620 v4 4,710
+0%
643 Xeon E3-1280 v5 4,709
644 Xeon E5-2623 v4 4,709
+0%
645 Xeon E3-1276 v3 4,708
+-0%
646 Ryzen 5 3400G 4,707
+-0%
647 Xeon E3-1275 v5 4,707
+-0%
648 Xeon E3-1260L v5 4,707
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1280 v5 based on data encryption, data compression, and string sorting benchmarks.

4,716 Rank: 649
Rank Name Score Visual
645 Core i7-8709G 4,720
+0.1%
646 Xeon E3-1270 v5 4,719
+0.1%
647 Xeon E3-1240 v5 4,719
+0.1%
648 Xeon Gold 5122 4,718
+0%
649 Xeon E3-1280 v5 4,716
650 Xeon W-2123 4,716
+0%
651 Core i5-10200H 4,716
+0%
652 Xeon E3-1230 v6 4,715
+-0%
653 Xeon D-1537 4,715
+-0%
654 Core i7-6700 4,715
+-0%

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Physics & Compute

Aggregated score for Xeon E3-1280 v5 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,767 Rank: 627
Rank Name Score Visual
623 Ryzen 3 5400U 4,769
+0%
624 Xeon E3-1535M v6 4,768
+0%
625 Xeon E3-1260L v5 4,768
+0%
626 Ryzen 3 PRO 5450U 4,768
+0%
627 Xeon E3-1280 v5 4,767
628 Xeon D-1559 4,767
+0%
629 Ryzen 5 1600 4,767
+0%
630 Core i7-3930K 4,766
+-0%
631 Core i7-4850HQ 4,766
+-0%
632 Core i5-5675C 4,765
+-0%

View full ranking →

Xeon E3-1280 v5 Details

The Intel Xeon E3-1280 v5 stands out in the server and workstation market with its 4-core, 8-thread design, leveraging Intel's Skylake architecture on a 14 nm process. Launched in October 2015, this processor is now over eight years old, placing it in the older segment of modern CPUs. Despite its age, the Xeon E3-1280 v5 remains relevant for certain workloads due to its strong single-core performance and support for ECC memory, a critical feature for enterprise environments where data integrity is paramount. With a base clock of 3.7 GHz and a turbo frequency of 4.0 GHz, it delivers robust performance for legacy systems and applications requiring high clock speeds. The processor operates at a TDP of 80 W, requiring adequate cooling but offering a balance between power efficiency and performance for its class.

The Xeon E3-1280 v5 features a total of 8 MB of L3 cache, distributed across its four cores, enhancing data access speeds and reducing latency. It supports dual-channel DDR4-2133 and DDR3L-1600 memory, with a maximum capacity of 64 GB, making it suitable for memory-intensive tasks. The processor connects via a DMI 3.0 bus and supports up to 16 PCIe 3.0 lanes directly from the CPU, enabling high-speed data transfer for storage and expansion cards. Its LGA-1151 socket ensures compatibility with a range of motherboards from the same era, particularly those based on the Sunrise Point chipset. Notably, the Xeon E3-1280 v5 lacks integrated graphics, requiring a discrete GPU for visual output, which makes it ideal for systems focused on computation rather than multimedia.

In terms of performance, the Xeon E3-1280 v5 achieves an overall score of 5455, ranking #515 among 2060 processors, with a single-core score of 5760 (#383) and a multicore score of 4998 (#644). These results highlight its strength in single-threaded applications, where it competes closely with modern mainstream CPUs like the Core i5-8400 and Core i7-10870H. However, its multicore performance trails behind newer processors, reflecting the limitations of its older architecture and lack of modern optimizations. The processor supports a wide array of technologies, including Intel VT-x, VT-d, and Intel vPro, enabling robust virtualization and remote management capabilities. It also includes advanced instruction sets such as AVX2 and AES-NI, which accelerate encryption and scientific computing tasks.

As of March 2026, the Xeon E3-1280 v5 remains a viable option for budget-conscious users or businesses maintaining legacy infrastructure. Its primary use cases include entry-level servers, small business workstations, and virtualization environments where ECC memory and stable single-core performance are more critical than raw multicore throughput. While newer processors offer significantly higher performance and power efficiency, the Xeon E3-1280 v5 continues to serve as a reliable workhorse in environments where cost and compatibility take precedence over cutting-edge capabilities.
Frequently Compared

AMD Ryzen 3 PRO 2200GE 1 view

AMD Ryzen Threadripper 3970X 1 view

AMD Ryzen 9 PRO 3900 1 view

AMD Ryzen 5 PRO 3500U 1 view

Intel Xeon E3-1280 v5

Main Specifications

Designer: Intel
Name: Xeon E3-1280 v5
Family: Xeon
Series: E3-1200
Model Number: E3-1280
Cores: 4
Threads: 8
Base Frequency: 3700 MHz
Turbo Frequency (1 core): 4000 MHz
Clock Multiplier: 37x (locked)
Microarchitecture: Skylake
Core Name: Skylake
Core Family: 6
Core Model: 94
Socket: LGA-1151
Package: FCLGA-1151
Chipset: Sunrise
Target Segment: Server
Max CPUs: 1
TDP: 80 W
Release Price: $612.00

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

Memory Specifications

Supported Memory Type: DDR3L-1600 and DDR4-2133
Memory Channels: 2
Maximum Memory: 64 GB
Maximum Bandwidth: 31.79 GB/s
ECC Support: Yes

Physical Specifications

Process: 14 nm
Die Area: 122 mm²
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 TXT vPro VT-x VT-d EPT MPX SGX Secure Key SMEP TSX TBT 1.0
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