Xeon E5-2643 v4

Details and Benchmarks for Intel Xeon E5-2643 v4

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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 v4 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,569 Rank: 436
Rank Name Score Visual
432 Core i7-7800X 5,579
+0.2%
433 Core i5-8600 5,579
+0.2%
434 Xeon W-2140B 5,578
+0.2%
435 Ryzen 3 3300X 5,572
+0.1%
436 Xeon E5-2643 v4 5,569
437 Ryzen 5 2600E 5,569
+0%
438 Core i3-6320 5,568
+-0%
439 Xeon E5-2695 v4 5,566
-0.1%
440 EPYC 7452 5,565
-0.1%
441 Core i5-1235U 5,563
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E5-2643 v4 based on multi-threaded benchmark results.

5,595 Rank: 359
Rank Name Score Visual
355 Ryzen 5 7540U 5,602
+0.1%
356 Ryzen 7 7736U 5,601
+0.1%
357 Ryzen 7 6800U 5,600
+0.1%
358 Core i9-9900K 5,597
+0%
359 Xeon E5-2643 v4 5,595
360 Core i7-10700K 5,595
+0%
361 Ryzen 7 PRO 6850U 5,594
+-0%
362 Ryzen 7 PRO 4750G 5,594
+-0%
363 Ryzen 7 5800H 5,591
-0.1%
364 Core Ultra 5 135U 5,589
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E5-2643 v4 based on single-threaded benchmark results.

5,551 Rank: 515
Rank Name Score Visual
511 FX-8370E 5,553
+0%
512 Ryzen 7 4700U 5,553
+0%
513 Ryzen 3 4300U 5,552
+0%
514 Xeon Platinum 8180 5,551
+0%
515 Xeon E5-2643 v4 5,551
516 Core i7-8559U 5,550
+-0%
517 Xeon E3-1575M v5 5,550
+-0%
518 Core i5-6600T 5,550
+-0%
519 FX-8100 5,549
+-0%
520 Ryzen 5 1600X 5,546
-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 E5-2643 v4 based on integer math, floating point math, and prime number computation benchmarks.

4,865 Rank: 470
Rank Name Score Visual
466 Xeon E5-2670 v2 4,872
+0.1%
467 Core i7-9700E 4,871
+0.1%
468 Xeon E-2136 4,869
+0.1%
469 Core i7-7800X 4,867
+0%
470 Xeon E5-2643 v4 4,865
471 Core i7-8700 4,865
+0%
472 Core i7-6850K 4,865
+0%
473 Xeon E5-1650 v4 4,863
+-0%
474 Ryzen 5 2600X 4,861
-0.1%
475 Core i5-10500 4,861
-0.1%

View full ranking →

Data Processing

Aggregated score for Xeon E5-2643 v4 based on data encryption, data compression, and string sorting benchmarks.

4,834 Rank: 524
Rank Name Score Visual
520 Xeon E5-2450 v2 4,839
+0.1%
521 Ryzen 5 PRO 3400G 4,837
+0.1%
522 Xeon E-2186M 4,837
+0.1%
523 Xeon E5-1650 v3 4,837
+0.1%
524 Xeon E5-2643 v4 4,834
525 Core i7-5930K 4,834
+0%
526 Core i5-10500T 4,834
+0%
527 Core i7-4930K 4,831
-0.1%
528 Xeon D-1540 4,830
-0.1%
529 Core i7-6800K 4,830
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Xeon E5-2643 v4 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,901 Rank: 463
Rank Name Score Visual
459 Ryzen 7 5700U 4,906
+0.1%
460 Xeon D-1587 4,905
+0.1%
461 Core i5-10400 4,903
+0%
462 Core i5-9500F 4,901
+0%
463 Xeon E5-2643 v4 4,901
464 Ryzen 5 4600H 4,899
+-0%
465 Ryzen 7 4700U 4,899
+-0%
466 Core i7-9700T 4,898
-0.1%
467 Core i7-6800K 4,898
-0.1%
468 Core i5-9600 4,897
-0.1%

View full ranking →

Xeon E5-2643 v4 Details

As of March 2026, the Intel Xeon E5-2643 v4 occupies a niche in the server processor landscape, representing a mature design from the Broadwell EP generation. While no longer a cutting-edge part, it remains relevant for workloads that prioritize stability and compatibility over raw performance. This processor is built on a 14 nm process and features a 6-core, 12-thread configuration, enabling it to handle multi-threaded server applications with reasonable efficiency. Its base frequency of 3.4 GHz and turbo boost up to 3.7 GHz provide solid single-threaded performance, though the 135 W TDP reflects a power-hungry design typical of its era.

The Xeon E5-2643 v4 is equipped with a substantial 20 MiB L3 cache and 1.5 MiB of L2 cache, contributing to its strong data throughput in memory-intensive environments. It supports up to 1.5 TB of DDR4 memory, with a maximum bandwidth of 9600 MT/s via QPI, making it suitable for high-bandwidth server applications. The chip is designed for dual-socket configurations using the C610 series chipset and LGA-2011-3 socket, enabling scalability in enterprise and data center environments.

In terms of performance, the Xeon E5-2643 v4 achieves an overall Passmark score of 5569, placing it at #436 out of 2060 processors. Its single-core score of 5551 ranks at #514, while its multicore score of 5595 positions it at #359. These results indicate that while the processor holds its own in single-threaded tasks, its multicore performance is more competitive, particularly when compared to older high-end desktop and server chips. The processor is outpaced by modern high-end CPUs like the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which dominate the top 50 rankings.

The Xeon E5-2643 v4 supports a wide range of advanced features, including Intel VT-x, VT-d, EPT, and Intel vPro, making it a secure and virtualization-friendly option for enterprise environments. It also supports AES-NI, AVX-2, and other instruction sets that enhance performance in encryption, scientific computing, and media processing. Despite lacking integrated graphics, its robust feature set and support for ECC memory make it a reliable choice for server and workstation use.

In conclusion, the Xeon E5-2643 v4 is best suited for legacy server systems or environments where its established compatibility and feature set outweigh the need for the latest performance gains. While it no longer competes with today's high-end processors, it remains a capable option for workloads that benefit from its multi-threading capabilities and enterprise-grade features.
Frequently Compared

AMD EPYC 7302P 19 views

Intel Xeon Silver 4114 19 views

AMD Ryzen 3 PRO 2200GE 18 views

Intel Xeon Silver 4108 18 views

Intel Xeon Silver 4112 18 views

AMD EPYC 7452 17 views

AMD Ryzen 9 PRO 3900 16 views

AMD Ryzen 5 PRO 3500U 16 views

AMD Ryzen Embedded R1505G 15 views

Intel Core i7-9850H 14 views

Intel Xeon E5-2643 v4

Main Specifications

Designer: Intel
Name: Xeon E5-2643 v4
Family: Xeon
Series: E5-2000
Model Number: E5-2643
Cores: 6
Threads: 12
Base Frequency: 3400 MHz
Turbo Frequency (1 core): 3700 MHz
Turbo Frequency (2 cores): 3700 MHz
Turbo Frequency (3 cores): 3600 MHz
Turbo Frequency (4 cores): 3600 MHz
Clock Multiplier: 34x (locked)
Microarchitecture: Broadwell
Core Name: Broadwell
Core Family: 6
Core Model: 4F
Chipset: C610
Target Segment: Server
Max CPUs: 2
TDP: 135 W
Release Price: $1,552.00

Cache Specifications

L1 Instruction Cache: 192.512 KiB (8-way set associative)
L1 Data Cache: 192.512 KiB (8-way set associative)
L2 Cache: 1.5 MiB (8-way set associative)
L3 Cache: 20 MiB (20-way set associative)

Memory Specifications

Maximum Memory: 1,536 GB

Physical Specifications

Process: 14 nm
Die Area: 246.24 mm²
Transistor Count: 3.20 billion
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit

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 AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX TBMT 3.0
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