i5-6400 vs Xeon E5-2667 v2

Aggregate performance score

Xeon E5-2667 v2
2013
8 cores / 16 threads, 130 Watt
7.73
+127%
Core i5-6400
2015
4 cores / 4 threads, 65 Watt
3.41

Xeon E5-2667 v2 outperforms Core i5-6400 by a whopping 127% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2667 v2 and Core i5-6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9511552
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.080.74
Market segmentServerDesktop processor
Seriesno dataIntel Core i5
Power efficiency5.634.96
Architecture codenameIvy Bridge-EP (2013)Skylake (2015−2016)
Release date1 September 2013 (11 years ago)2 July 2015 (9 years ago)
Launch price (MSRP)$2,300$187

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2667 v2 has 46% better value for money than i5-6400.

Detailed specifications

Xeon E5-2667 v2 and Core i5-6400 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 cores8 (Octa-Core)4 (Quad-Core)
Threads164
Base clock speed3.3 GHz2.7 GHz
Boost clock speed4 GHz3.3 GHz
Bus typeno dataDMI 3.0
Bus rate8 GT/s4 × 8 GT/s
Multiplierno data27
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache20 MB (shared)6 MB (shared)
Chip lithography22 nm14 nm
Die size160 mm2177 mm2
Maximum core temperature74 °Cno data
Maximum case temperature (TCase)no data72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2667 v2 and Core i5-6400 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 configuration21 (Uniprocessor)
SocketFCLGA2011FCLGA1151
Power consumption (TDP)130 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2667 v2 and Core i5-6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data

Security technologies

Xeon E5-2667 v2 and Core i5-6400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2667 v2 and Core i5-6400 are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2667 v2 and Core i5-6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3, DDR4
Maximum memory size768 GB64 GB
Max memory channels42
Maximum memory bandwidth59.7 GB/s34.134 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 530
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E5-2667 v2 and Core i5-6400 integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon E5-2667 v2 and Core i5-6400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Xeon E5-2667 v2 and Core i5-6400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2667 v2 and Core i5-6400.

PCIe version3.03.0
PCI Express lanes4016

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 E5-2667 v2 7.73
+127%
i5-6400 3.41

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 E5-2667 v2 12278
+127%
i5-6400 5417

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 E5-2667 v2 646
i5-6400 1124
+74%

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 E5-2667 v2 4011
+31%
i5-6400 3063

Gaming performance

Pros & cons summary


Performance score 7.73 3.41
Recency 1 September 2013 2 July 2015
Physical cores 8 4
Threads 16 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 130 Watt 65 Watt

Xeon E5-2667 v2 has a 126.7% higher aggregate performance score, and 100% more physical cores and 300% more threads.

i5-6400, on the other hand, has an age advantage of 1 year, a 57.1% more advanced lithography process, and 100% lower power consumption.

The Xeon E5-2667 v2 is our recommended choice as it beats the Core i5-6400 in performance tests.

Be aware that Xeon E5-2667 v2 is a server/workstation processor while Core i5-6400 is a desktop one.


Should you still have questions on choice between Xeon E5-2667 v2 and Core i5-6400, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E5-2667 v2
Xeon E5-2667 v2
Intel Core i5-6400
Core i5-6400

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.5 728 votes

Rate Xeon E5-2667 v2 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 1232 votes

Rate Core i5-6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5-2667 v2 or Core i5-6400, agree or disagree with our judgements, or report an error or mismatch.