Xeon X5687 vs i5-9600K

Place in the ranking	1039	1582
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.02	3.71
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Power efficiency	6.68	2.43
Architecture codename	Coffee Lake-R (2018−2019)	Westmere-EP (2010−2011)
Release date	19 October 2018 (6 years ago)	14 February 2011 (13 years ago)
Launch price (MSRP)	$262	$121

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-9600K has 89% better value for money than Xeon X5687.

Detailed specifications

Core i5-9600K and Xeon X5687 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 cores	6 (Hexa-Core)	4 (Quad-Core)
Threads	6	8
Base clock speed	3.7 GHz	3.6 GHz
Boost clock speed	4.6 GHz	3.86 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	37	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	9 MB (shared)	12 MB (shared)
Chip lithography	14 nm	32 nm
Die size	149 mm²	239 mm²
Maximum core temperature	100 °C	80 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	1,170 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i5-9600K and Xeon X5687 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 configuration	1 (Uniprocessor)	2
Socket	FCLGA1151	FCLGA1366,LGA1366
Power consumption (TDP)	95 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9600K and Xeon X5687. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	-	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	-
SIPP	+	-
Demand Based Switching	no data	+
PAE	no data	40 Bit

Security technologies

Core i5-9600K and Xeon X5687 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9600K and Xeon X5687 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9600K and Xeon X5687. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3
Maximum memory size	128 GB	288 GB
Max memory channels	2	3
Maximum memory bandwidth	42.671 GB/s	32 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	no data
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-9600K and Xeon X5687 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Core i5-9600K and Xeon X5687 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-9600K and Xeon X5687 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-9600K and Xeon X5687.

PCIe version	3.0	2.0
PCI Express lanes	16	no 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.

i5-9600K 6.71
+101%

Xeon X5687 3.34

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.

i5-9600K 10660
+101%

Xeon X5687 5309

Gaming performance

Pros & cons summary

Performance score	6.71	3.34
Recency	19 October 2018	14 February 2011
Physical cores	6	4
Threads	6	8
Chip lithography	14 nm	32 nm
Power consumption (TDP)	95 Watt	130 Watt

i5-9600K has a 100.9% higher aggregate performance score, an age advantage of 7 years, 50% more physical cores, a 128.6% more advanced lithography process, and 36.8% lower power consumption.

Xeon X5687, on the other hand, has 33.3% more threads.

The Core i5-9600K is our recommended choice as it beats the Xeon X5687 in performance tests.

Note that Core i5-9600K is a desktop processor while Xeon X5687 is a server/workstation one.

Should you still have questions on choice between Core i5-9600K and Xeon X5687, ask them in Comments section, and we shall answer.