i5-6400 vs Xeon E3-1245 v3

Aggregate performance score

Xeon E3-1245 v3
2013
4 cores / 8 threads, 84 Watt
4.42
+29.6%
Core i5-6400
2015
4 cores / 4 threads, 65 Watt
3.41

Xeon E3-1245 v3 outperforms Core i5-6400 by a substantial 30% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1245 v3 and Core i5-6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13401564
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.500.78
Market segmentServerDesktop processor
Seriesno dataIntel Core i5
Power efficiency4.984.96
Architecture codenameHaswell-WS (2013−2014)Skylake (2015−2016)
Release date2 June 2013 (11 years ago)1 September 2015 (9 years ago)
Launch price (MSRP)$320$187

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1245 v3 has 221% better value for money than i5-6400.

Detailed specifications

Xeon E3-1245 v3 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 cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.4 GHz2.7 GHz
Boost clock speed3.8 GHz3.3 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s4 × 8 GT/s
Multiplierno data27
L1 cache64 KB (per core)256 KB
L2 cache256 KB (per core)1 MB
L3 cache8192 KB (shared)6 MB (shared)
Chip lithography22 nm14 nm
Die size160 mm2122 mm2
Maximum case temperature (TCase)no data72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E3-1245 v3 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 configuration11 (Uniprocessor)
SocketFCLGA1150FCLGA1151
Power consumption (TDP)84 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v3 and Core i5-6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
FDI+no data
Fast Memory Access+no data

Security technologies

Xeon E3-1245 v3 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++
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1245 v3 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 E3-1245 v3 and Core i5-6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3, DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s34.134 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD P4600Intel HD Graphics 530
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.2 GHz950 MHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v3 and Core i5-6400 integrated GPUs.

Number of displays supported33
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon E3-1245 v3 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 E3-1245 v3 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 E3-1245 v3 and Core i5-6400.

PCIe version3.03.0
PCI Express lanes1616

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 E3-1245 v3 4.42
+29.6%
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 E3-1245 v3 7027
+29.7%
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 E3-1245 v3 1218
+8.3%
i5-6400 1125

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 E3-1245 v3 3869
+26.3%
i5-6400 3064

Gaming performance

Pros & cons summary


Performance score 4.42 3.41
Recency 2 June 2013 1 September 2015
Threads 8 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 84 Watt 65 Watt

Xeon E3-1245 v3 has a 29.6% higher aggregate performance score, and 100% more threads.

i5-6400, on the other hand, has an age advantage of 2 years, a 57.1% more advanced lithography process, and 29.2% lower power consumption.

The Xeon E3-1245 v3 is our recommended choice as it beats the Core i5-6400 in performance tests.

Be aware that Xeon E3-1245 v3 is a server/workstation processor while Core i5-6400 is a desktop one.


Should you still have questions on choice between Xeon E3-1245 v3 and Core i5-6400, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1245 v3
Xeon E3-1245 v3
Intel Core i5-6400
Core i5-6400

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Community ratings

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