Xeon E3-1280 v5

Details and Benchmarks for Intel Xeon E3-1280 v5

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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 E3-1280 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%

View full ranking →

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 Threadripper 3970X 25 views

AMD Ryzen 5 PRO 3500U 19 views

Intel Core i7-8559U 19 views

AMD Ryzen 3 PRO 2200GE 18 views

AMD Ryzen Embedded R1505G 18 views

AMD Ryzen 9 PRO 3900 17 views

AMD EPYC 7452 17 views

AMD EPYC 7302P 16 views

Intel Xeon W-3245 16 views

Intel Core i7-9850H 16 views

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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