Performance per price, higher is better.
Intel Xeon E5-2643 v3: specs and benchmarks
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
Intel started Xeon E5-2643 v3 sales 1 July 2014. This is a Haswell-EP architecture desktop processor primarily aimed at office systems. It has 6 cores and 12 threads, and is based on 22 nm manufacturing technology, with a maximum frequency of 3700 MHz and a locked multiplier.
Compatibility-wise, this is FCLGA2011-3 processor with a TDP of 135 Watt. It supports DDR4-1600, DDR4-1866, DDR4-2133 memory.
It provides poor benchmark performance at
of a leader's which is AMD EPYC 9654.
Xeon E5-2643 v3 processor market type (desktop or notebook), architecture, sales start time and pricing.
|Place in performance ranking||782|
|Value for money||0.27|
|Architecture codename||Haswell-EP (2014)|
|Release date||1 July 2014 (8 years old)|
|Current price||$4101||of 15854 (Xeon Platinum 8276L)|
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
|Physical cores||6 (Hexa-Core)|
|Base clock speed||3.4 GHz||of 4.7 (Ryzen 9 7900X)|
|Boost clock speed||3.7 GHz||of 6 (Core i9-13900KS)|
|L1 cache||64K (per core)||of 7475.2 (Apple M2 Pro 10-Core)|
|L2 cache||256K (per core)||of 36864 (Apple M2 Max)|
|L3 cache||20 MB (shared)||of 768 (EPYC 7773X)|
|Chip lithography||22 nm||of 4 (Ryzen 9 7940HS)|
|Die size||356 mm2|
|Maximum core temperature||77 °C||of 110 (Atom x7-E3950)|
|Number of transistors||2,600 million||of 9900000 (Ryzen 5 7645HX)|
|64 bit support||+|
|Windows 11 compatibility||-|
Information on Xeon E5-2643 v3 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
|Number of CPUs in a configuration||2||of 8 (Xeon Platinum 8160M)|
|Power consumption (TDP)||135 Watt||of 400 (Xeon Platinum 9282)|
Technologies and extensions
Technological capabilities and additional instructions supported by Xeon E5-2643 v3. You'll probably need this information if you require some particular technology.
|Instruction set extensions||Intel® AVX2|
|Enhanced SpeedStep (EIST)||+|
|Enhanced SpeedStep (EIST)||+|
|Turbo Boost Technology||2.0|
|Flex Memory Access||-|
|Demand Based Switching||+|
Processor technologies aimed at improving security, for example, by protecting against hacks.
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
Types, maximum amount and channel number of RAM supported by Xeon E5-2643 v3's memory controller. Depending on the motherboard, higher memory frequency may be supported.
|Supported memory types||DDR4-1600, DDR4-1866, DDR4-2133||of 5600 (Ryzen 9 7940HS)|
|Maximum memory size||768 GB||of 786 (Xeon E5-2670 v3)|
|Max memory channels||4||of 12 (Xeon Platinum 9221)|
|Maximum memory bandwidth||68 GB/s||of 460.8 (EPYC 9654)|
|ECC memory support||+|
Specifications and connection types of supported peripherals.
|PCIe version||3.0||of 5 (EPYC 9654)|
|PCI Express lanes||40||of 128 (EPYC 7401)|
Single-core and multi-core benchmark results of Xeon E5-2643 v3. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Send your test results of Xeon E5-2643 v3.
Overall Xeon E5-2643 v3 performance compared to nearest competitors among server CPUs.
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
People consider these graphics cards to be good for Xeon E5-2643 v3, according to our PC configuration statistics.
These are the fastest graphics cards for Xeon E5-2643 v3 in our user configuration statistics. There is a total of 46 configurations based on Xeon E5-2643 v3 in our database.
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