Core 2 Duo E7400 vs Xeon E5-2686 v4

VS

Aggregate performance score

Xeon E5-2686 v4
2016
18 cores / 36 threads, 145 Watt
12.72
+1827%
Core 2 Duo E7400
2008
2 cores / 2 threads, 65 Watt
0.66

Xeon E5-2686 v4 outperforms Core 2 Duo E7400 by a whopping 1827% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2686 v4 and Core 2 Duo E7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6072760
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
SeriesIntel Xeon E5no data
Power efficiency8.300.96
Architecture codenameBroadwell (2015−2019)Wolfdale (2008−2010)
Release date20 June 2016 (8 years ago)October 2008 (16 years ago)

Detailed specifications

Xeon E5-2686 v4 and Core 2 Duo E7400 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 cores18 (Octadeca-Core)2 (Dual-core)
Threads362
Base clock speed2.3 GHz2.8 GHz
Boost clock speed3 GHz2.8 GHz
Bus typeQPIno data
Bus rate2 × 9.6 GT/s1066 MHz
Multiplier23no data
L1 cacheno data64 KB
L2 cache4.5 MB3 MB (shared)
L3 cache45 MB0 KB
Chip lithography14 nm45 nm
Die size456.12 mm282 mm2
Maximum case temperature (TCase)no data74 °C
Number of transistors7200 Million228 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon E5-2686 v4 and Core 2 Duo E7400 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 configuration2 (Multiprocessor)1
Socketno dataLGA775
Power consumption (TDP)145 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2686 v4 and Core 2 Duo E7400. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Xeon E5-2686 v4 and Core 2 Duo E7400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDBno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 v4 and Core 2 Duo E7400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3
Maximum memory size1,536 GBno data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2686 v4 and Core 2 Duo E7400.

PCIe version3.0no data
PCI Express lanes40no data

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 E5-2686 v4 12.72
+1827%
Core 2 Duo E7400 0.66

Passmark

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.

Xeon E5-2686 v4 20204
+1841%
Core 2 Duo E7400 1041

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5-2686 v4 654
+106%
Core 2 Duo E7400 318

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5-2686 v4 4031
+687%
Core 2 Duo E7400 512

Gaming performance

Pros & cons summary


Performance score 12.72 0.66
Physical cores 18 2
Threads 36 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 145 Watt 65 Watt

Xeon E5-2686 v4 has a 1827.3% higher aggregate performance score, 800% more physical cores and 1700% more threads, and a 221.4% more advanced lithography process.

Core 2 Duo E7400, on the other hand, has 123.1% lower power consumption.

The Xeon E5-2686 v4 is our recommended choice as it beats the Core 2 Duo E7400 in performance tests.

Be aware that Xeon E5-2686 v4 is a server/workstation processor while Core 2 Duo E7400 is a desktop one.


Should you still have questions on choice between Xeon E5-2686 v4 and Core 2 Duo E7400, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2686 v4
Xeon E5-2686 v4
Intel Core 2 Duo E7400
Core 2 Duo E7400

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Community ratings

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