Xeon E3-1280 v3

Details and Benchmarks for Intel Xeon E3-1280 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 E3-1280 v3 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,083 Rank: 806
Rank Name Score Visual
802 Core i5-9400T 5,088
+0.1%
803 Core i5-4570 5,086
+0.1%
804 Ryzen 7 3750H 5,084
+0%
805 Ryzen 3 3300U 5,083
+0%
806 Xeon E3-1280 v3 5,083
807 Ryzen 5 2400GE 5,081
+-0%
808 Core i7-4850HQ 5,081
+-0%
809 Pentium G4400 5,080
-0.1%
810 Xeon E3-1240L v5 5,079
-0.1%
811 Core i5-8250U 5,078
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1280 v3 based on multi-threaded benchmark results.

4,807 Rank: 834
Rank Name Score Visual
830 Core i7-2600K 4,812
+0.1%
831 Core i7-870 4,811
+0.1%
832 Core i5-6500 4,808
+0%
833 Xeon E3-1220 v3 4,808
+0%
834 Xeon E3-1280 v3 4,807
835 Ryzen 5 3400G 4,806
+-0%
836 Core i5-4570R 4,804
-0.1%
837 Core i5-4670S 4,803
-0.1%
838 Core i5-4590 4,803
-0.1%
839 Xeon E5-2450 v2 4,803
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E3-1280 v3 based on single-threaded benchmark results.

5,267 Rank: 755
Rank Name Score Visual
751 Core i7-4960X 5,271
+0.1%
752 Pentium Gold G4620 5,270
+0.1%
753 Core i5-8250U 5,270
+0.1%
754 Xeon E5-1650 v2 5,267
+0%
755 Xeon E3-1280 v3 5,267
756 Xeon E5-2699A v4 5,266
+-0%
757 Core i7-4810MQ 5,265
+-0%
758 Core i7-4980HQ 5,265
+-0%
759 Core i5-6400 5,264
-0.1%
760 Ryzen 5 4600H 5,263
-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 E3-1280 v3 based on integer math, floating point math, and prime number computation benchmarks.

4,689 Rank: 707
Rank Name Score Visual
703 Ryzen 5 PRO 2400G 4,690
+0%
704 Xeon E3-1535M V5 4,689
+0%
705 Xeon E3-1245 v3 4,689
+0%
706 Xeon E3-1240 v3 4,689
+0%
707 Xeon E3-1280 v3 4,689
708 Core i7-6770HQ 4,688
+-0%
709 Core i7-4790S 4,688
+-0%
710 Core i5-9300H 4,687
+-0%
711 Core i7-8706G 4,687
+-0%
712 Core i7-7700T 4,687
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1280 v3 based on data encryption, data compression, and string sorting benchmarks.

4,700 Rank: 677
Rank Name Score Visual
673 Core i7-5775R 4,702
+0%
674 Core i7-4790 4,701
+0%
675 Core i7-4771 4,700
+0%
676 Xeon E3-1246 v3 4,700
+0%
677 Xeon E3-1280 v3 4,700
678 Core i5-9400H 4,699
+-0%
679 Xeon E3-1241 v3 4,698
+-0%
680 Xeon E3-1270 v3 4,698
+-0%
681 Xeon E3-1280 v2 4,698
+-0%
682 Xeon E3-1275 v3 4,697
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Xeon E3-1280 v3 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,725 Rank: 695
Rank Name Score Visual
691 Core i7-4770K 4,726
+0%
692 Core i7-4790 4,726
+0%
693 Xeon E3-1241 v3 4,726
+0%
694 Xeon E3-1275 v3 4,725
+0%
695 Xeon E3-1280 v3 4,725
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
+-0%

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Xeon E3-1280 v3 Details

Built on Intel's Haswell-WS microarchitecture at a 22 nm process node, the Xeon E3-1280 v3 represents a server and workstation-oriented processor launched in June 2013. Though now over a decade old, it remains relevant in legacy systems due to its support for ECC memory and virtualization features. The chip is designed for reliability in mission-critical environments, leveraging a 4-core, 8-thread configuration enabled by Intel Hyper-Threading, which allows it to handle multithreaded workloads more efficiently than a standard quad-core processor.

Operating at a base frequency of 3.6 GHz with a turbo boost up to 4.0 GHz, the Xeon E3-1280 v3 delivers strong single-threaded performance, earning it a Singlecore Score of 5267 and a rank of #754 among 2060 processors. This performance is particularly impressive given its age, placing it ahead of several modern consumer-grade CPUs such as the Core i5-6400 and Core i7-4850HQ. The processor’s L3 cache of 7.629 MiB and dual-channel DDR3/DDR4 memory support further enhance its data throughput, although it lacks integrated graphics, requiring a discrete GPU for display output.

The Xeon E3-1280 v3 supports a range of advanced technologies, including AVX, AVX2, and FMA3, which accelerate computation-heavy tasks such as video encoding and scientific simulations. It also includes virtualization support through Intel VT-x and VT-d, enabling efficient guest machine execution and PCI passthrough. Despite its robust feature set, the processor’s 82 W TDP demands adequate cooling, making it less ideal for low-power systems. The locked multiplier limits overclocking potential, a common trait in Intel’s Xeon line.

In multicore performance, the Xeon E3-1280 v3 achieves a Multicore Score of 4807, ranking #834 out of 2060 processors. This places it just ahead of the Xeon E3-1220 v3 and Core i5-4570R, but behind newer models like the Ryzen 5 3400G and Core i5-6500. The overall score of 5083 reflects a balanced performance profile, positioning it at #805 in the broader ranking. While it no longer competes with today’s high-end processors, it remains a capable choice for entry-level workstations, small business servers, or retro builds where ECC memory and virtualization are priorities.

As of March 2026, the Xeon E3-1280 v3 is best suited for environments where legacy compatibility, reliability, and virtualization are more critical than raw performance. Its strong single-core performance and ECC support make it valuable in niche applications, even as it trails far behind modern offerings like the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K in terms of overall capability.
Frequently Compared

AMD EPYC 7272 7 views

AMD Phenom II X3 710 5 views

AMD Ryzen 5 3500X 3 views

AMD Phenom II X2 560 3 views

Intel Xeon E5-2660 v4 3 views

Intel Core i9-9900X 3 views

AMD Ryzen 5 3600 2 views

AMD A10-5757M 2 views

Intel Celeron G530 2 views

Intel Xeon Silver 4215 1 view

Intel Xeon E3-1280 v3

Main Specifications

Designer: Intel
Name: Xeon E3-1280 v3
Cores: 4
Threads: 8
Base Frequency: 3600 MHz
Clock Multiplier: 36x (locked)
Core Name: Haswell-WS
Socket: Socket 1150
Package: FC-LGA12C
Target Segment: Workstation
TDP: 82 W

Cache Specifications

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

Memory Specifications

Supported Memory Type: DDR3, DDR4

Physical Specifications

Process: 22 nm
Die Area: 160 mm²
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 F16C EIST TXT vPro VT-x VT-d
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