Intel Xeon E5-4620 v3 vs E5-2643 v3

Price now 4101$
Games supported 98%
Xeon E5-2643 v3
Intel Xeon E5-2643 v3
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Xeon E5-4620 v3
Intel Xeon E5-4620 v3
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 26$
Games supported 98%

General info

Comparing Xeon E5-2643 v3 and Xeon E5-4620 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking782777
Value for money0.279.90
Market segmentServerServer
Architecture codenameHaswell-EP (2014)Haswell-EP (2014)
Release date1 July 2014 (8 years old)1 April 2015 (8 years old)
Current price$4101 $26
Value for money

Performance per price, higher is better.

Technical specs

Xeon E5-2643 v3 and Xeon E5-4620 v3 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)10 (Deca-Core)
Base clock speed3.4 GHz2 GHz
Boost clock speed3.7 GHz2.6 GHz
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache20 MB (shared)25 MB (shared)
Chip lithography22 nm22 nm
Die size356 mm2356 mm2
Maximum core temperature77 °C78 °C
Maximum case temperature (TCase)no data78 °C
Number of transistors2,600 million2,600 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier--


Information on Xeon E5-2643 v3 and Xeon E5-4620 v3 compatibility with other computer components: 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 configuration24
Power consumption (TDP)135 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2643 v3 and Xeon E5-4620 v3. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® AVX2
vPro+no data
Enhanced SpeedStep (EIST)++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access--
Demand Based Switching+no data
PAE46 Bit46 Bit
Instruction Replayno data-

Security technologies

Xeon E5-2643 v3 and Xeon E5-4620 v3 technologies aimed at improving security, for example, by protecting against hacks.

Secure Key++
Identity Protection-no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2643 v3 and Xeon E5-4620 v3 are enumerated here.


Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2643 v3 and Xeon E5-4620 v3. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866, DDR4-2133DDR4
Maximum memory size768 GB768 GB
Max memory channels44
Maximum memory bandwidth68 GB/s68 GB/s
ECC memory support++


Specifications and connection of peripherals supported by Xeon E5-2643 v3 and Xeon E5-4620 v3.

PCIe version3.03.0
PCI Express lanes4040

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score 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.

Xeon E5-2643 v3 8.31
Xeon E5-4620 v3 8.35


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%

Xeon E5-2643 v3 10472
Xeon E5-4620 v3 10525

E5-4620 v3 outperforms E5-2643 v3 by 1% in Passmark.

Gaming performance

Advantages and disadvantages

Performance score 8.31 8.35
Recency 1 July 2014 1 April 2015
Boost clock speed 3700 2600
Base clock speed 3400 2000
Power consumption (TDP) 135 Watt 105 Watt

We couldn't decide between Xeon E5-2643 v3 and Xeon E5-4620 v3. The differences in performance seem too small.

Should you still have questions on choice between Xeon E5-2643 v3 and Xeon E5-4620 v3, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2643 v3
Xeon E5-2643 v3
Intel Xeon E5-4620 v3
Xeon E5-4620 v3

Similar processor comparisons

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3.6 42 votes

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