Xeon E5-2643 v2

Details and Benchmarks for Intel Xeon E5-2643 v2

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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 E5-2643 v2 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,815 Rank: 1014
Rank Name Score Visual
1010 Core i5-6400T 4,824
+0.2%
1011 Core i3-4130 4,820
+0.1%
1012 Core i5-3450S 4,818
+0.1%
1013 Ryzen 3 2200GE 4,815
+0%
1014 Xeon E5-2643 v2 4,815
1015 Pentium Gold G5420T 4,813
+-0%
1016 Core i3-6157U 4,813
+-0%
1017 Pentium G3440 4,813
+-0%
1018 Xeon E3-1290 v2 4,811
-0.1%
1019 Ryzen 3 2300U 4,809
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E5-2643 v2 based on multi-threaded benchmark results.

4,871 Rank: 765
Rank Name Score Visual
761 Core i7-7740X 4,874
+0.1%
762 Core i7-3840QM 4,874
+0.1%
763 Core i7-1185GRE 4,874
+0.1%
764 Ryzen 7 3750H 4,871
+0%
765 Xeon E5-2643 v2 4,871
766 Ryzen 3 5300U 4,871
+0%
767 Ryzen 3 PRO 1300 4,870
+-0%
768 Xeon D-1521 4,869
+-0%
769 Celeron 847E 4,869
+-0%
770 Xeon E3-1245 v6 4,868
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E5-2643 v2 based on single-threaded benchmark results.

4,778 Rank: 1082
Rank Name Score Visual
1078 Celeron G3920 4,786
+0.2%
1079 Xeon E3-1505L v5 4,782
+0.1%
1080 Xeon E3-1240 V2 4,780
+0%
1081 Core i5-2405S 4,780
+0%
1082 Xeon E5-2643 v2 4,778
1083 Core i7-2860QM 4,777
+-0%
1084 Core i5-7300U 4,777
+-0%
1085 Core i7-3687U 4,777
+-0%
1086 Xeon W-2102 4,776
+-0%
1087 EPYC 7281 4,775
-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 E5-2643 v2 based on integer math, floating point math, and prime number computation benchmarks.

4,808 Rank: 524
Rank Name Score Visual
520 Xeon D-1541 4,810
+0%
521 Xeon E5-2650 v2 4,810
+0%
522 Core i7-9850HE 4,809
+0%
523 Xeon E5-2620 v4 4,808
+0%
524 Xeon E5-2643 v2 4,808
525 Core i5-9600KF 4,806
+-0%
526 Core i5-9600K 4,806
+-0%
527 Core i7-4960X 4,806
+-0%
528 Ryzen 5 PRO 4650U 4,806
+-0%
529 Ryzen 5 PRO 1600 4,804
-0.1%

View full ranking →

Data Processing

Aggregated score for Xeon E5-2643 v2 based on data encryption, data compression, and string sorting benchmarks.

4,814 Rank: 542
Rank Name Score Visual
538 Ryzen 3 PRO 5450U 4,820
+0.1%
539 Core i7-9750HF 4,820
+0.1%
540 Core i7-3970X 4,817
+0.1%
541 Ryzen 5 1500X 4,814
+0%
542 Xeon E5-2643 v2 4,814
543 Ryzen 5 PRO 2400G 4,813
+-0%
544 Ryzen 3 5300U 4,813
+-0%
545 Xeon E-2226G 4,812
+-0%
546 Core i7-5820K 4,812
+-0%
547 Ryzen 5 PRO 1500 4,811
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Xeon E5-2643 v2 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,807 Rank: 563
Rank Name Score Visual
559 Core i7-8850H 4,811
+0.1%
560 Core i5-8259U 4,809
+0%
561 Core i7-9750HF 4,809
+0%
562 Xeon E-2244G 4,807
+0%
563 Xeon E5-2643 v2 4,807
564 Ryzen 5 PRO 4650U 4,807
+0%
565 Core i3-9350KF 4,806
+-0%
566 Xeon E3-1275 v6 4,806
+-0%
567 Core i3-10300 4,805
+-0%
568 Core i7-9850HE 4,805
+-0%

View full ranking →

Xeon E5-2643 v2 Details

As of March 2026, the Intel Xeon E5-2643 v2 remains a notable server processor from the Ivy Bridge-EP generation, launched in September 2013. Though over a decade old, it continues to serve in legacy enterprise environments where stability and ECC memory support are critical. Its 6-core, 12-thread design, enabled by Intel Hyper-Threading, provides a solid foundation for multithreaded workloads, particularly in virtualized or data-intensive server scenarios. With a base clock of 3.5 GHz and a TDP of 130 W, the processor delivers performance that, while dated, still holds its own in certain niche applications. The 22 nm manufacturing process and 1.4 billion transistors reflect the technology of its era, emphasizing power efficiency and scalability for multi-socket systems. The processor supports up to two CPUs in a symmetric multiprocessing (SMP) configuration, making it suitable for high-end workstations and servers requiring significant processing capacity.

In terms of real-world performance, the Xeon E5-2643 v2 achieves an Overall Score of 4815, placing it at #1013 among 2060 processors in the PassMark database. Its Singlecore Score of 4778 ranks it #1082, while its Multicore Score of 4871 positions it at #764, indicating a strong balance between single-threaded and multi-threaded performance. These results place it just behind mainstream consumer CPUs like the Core i7-7740X and slightly ahead of the Xeon E3-1245 v6, demonstrating its competitive edge in multi-threaded environments. However, it falls significantly short of modern high-end processors such as the Ryzen Threadripper PRO 9995WX, which scores over 9,000 in overall performance. The processor's strength lies in its ability to handle parallel tasks efficiently, though its single-core performance is no longer competitive with today's standards.

The Xeon E5-2643 v2 integrates a 14.305 MiB L3 cache, with 0.061 MiB of L1 and 0.244 MiB of L2 cache, supporting a quad-channel DDR3 memory interface with ECC capability. This memory architecture ensures robust data integrity, making it ideal for mission-critical applications where reliability is paramount. The lack of integrated graphics necessitates a discrete GPU for visual output, a common trait in server-grade processors. Despite its age, the processor supports advanced features such as AVX, AVX2, AES-NI, and Intel VT-x, enabling efficient virtualization and encryption operations. It also supports IOMMU for PCI passthrough, enhancing virtual machine flexibility.

In conclusion, the Xeon E5-2643 v2 is best suited for legacy server environments, small-scale virtualization clusters, or specialized workstations where ECC memory and SMP scalability are essential. While it no longer competes with modern high-performance CPUs, its longevity, reliability, and support for enterprise-grade features ensure it remains relevant in specific use cases. For users seeking cutting-edge performance, newer platforms offer significantly better capabilities, but the E5-2643 v2 remains a viable option in cost-sensitive or legacy infrastructure.
Frequently Compared

AMD A10-5757M 4 views

Intel Celeron G530 4 views

AMD A10-4600M 3 views

AMD Ryzen 5 3500X 3 views

AMD Phenom 9650 3 views

Intel Xeon X3430 3 views

Intel Pentium G3240 3 views

AMD Ryzen 9 PRO 3900 2 views

Intel Xeon W3503 2 views

AMD Athlon II X2 265 2 views

Intel Xeon E5-2643 v2

Main Specifications

Designer: Intel
Name: Xeon E5-2643 v2
Cores: 6
Threads: 12
Base Frequency: 3500 MHz
Clock Multiplier: 35x (locked)
Core Name: Ivy Bridge-EP
Socket: Socket 2011
Package:
Target Segment: Server
TDP: 130 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 14.305 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

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

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 EIST TXT VT-x VT-d EPT SSE4a SHA AMD-Vi AMD-V TSME SenseMI SMT SME SEV
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