i5-6600K vs Xeon E3-1245 v5

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Aggregate performance score

Xeon E3-1245 v5
2015
4 cores / 8 threads, 80 Watt
5.05
+26.9%
Core i5-6600K
2015
4 cores / 4 threads, 91 Watt
3.98

Xeon E3-1245 v5 outperforms Core i5-6600K by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1245 v5 and Core i5-6600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12221431
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.570.83
Market segmentServerDesktop processor
SeriesIntel Xeon E3Intel Core i5 (Desktop)
Power efficiency5.974.14
Architecture codenameSkylake-DT (2015)Skylake (2015−2016)
Release date19 October 2015 (9 years ago)1 September 2015 (9 years ago)
Launch price (MSRP)$294$242

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1245 v5 has 330% better value for money than i5-6600K.

Detailed specifications

Xeon E3-1245 v5 and Core i5-6600K 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 speed3.5 GHz3.5 GHz
Boost clock speed3.9 GHz3.9 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3535
L1 cache64 KB (per core)256 KB
L2 cache256 KB (per core)1 MB
L3 cache8 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die size122 mm2122 mm2
Maximum case temperature (TCase)no data64 °C
Number of transistors1,750 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage range0.55V-1.52Vno data

Compatibility

Information on Xeon E3-1245 v5 and Core i5-6600K 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCLGA1151FCLGA1151
Power consumption (TDP)80 Watt91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v5 and Core i5-6600K. 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++

Security technologies

Xeon E3-1245 v5 and Core i5-6600K technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX++
Identity Protection-+
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1245 v5 and Core i5-6600K 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 v5 and Core i5-6600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1866/2133, DDR3L-1333/1600DDR3, DDR4
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s34.134 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics P530Intel HD Graphics 530
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1.15 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v5 and Core i5-6600K integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++

Graphics image quality

Maximum display resolutions supported by Xeon E3-1245 v5 and Core i5-6600K integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@24Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz
Max resolution over VGAN/AN/A

Graphics API support

APIs supported by Xeon E3-1245 v5 and Core i5-6600K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.44.5

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1245 v5 and Core i5-6600K.

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 v5 5.05
+26.9%
i5-6600K 3.98

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 v5 8029
+27.1%
i5-6600K 6319

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 v5 1315
i5-6600K 1427
+8.5%

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 v5 4197
+4.1%
i5-6600K 4031

Gaming performance

Pros & cons summary


Performance score 5.05 3.98
Integrated graphics card 2.79 2.60
Recency 19 October 2015 1 September 2015
Threads 8 4
Power consumption (TDP) 80 Watt 91 Watt

Xeon E3-1245 v5 has a 26.9% higher aggregate performance score, 7.3% faster integrated GPU, an age advantage of 1 month, 100% more threads, and 13.8% lower power consumption.

The Xeon E3-1245 v5 is our recommended choice as it beats the Core i5-6600K in performance tests.

Be aware that Xeon E3-1245 v5 is a server/workstation processor while Core i5-6600K is a desktop one.


Should you still have questions on choice between Xeon E3-1245 v5 and Core i5-6600K, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1245 v5
Xeon E3-1245 v5
Intel Core i5-6600K
Core i5-6600K

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Community ratings

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Questions & comments

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