i7-6700K vs Xeon Gold 5120

Primary details

Comparing Xeon Gold 5120 and Core i7-6700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	681	1133
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.20	1.09
Market segment	Server	Desktop processor
Series	Intel Xeon Gold	Intel Core i7 (Desktop)
Power efficiency	10.27	5.85
Architecture codename	Skylake (server) (2017−2019)	Skylake (2015−2016)
Release date	11 July 2017 (7 years ago)	1 September 2015 (9 years ago)
Launch price (MSRP)	$1,555	$339

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 5120 has 377% better value for money than i7-6700K.

Detailed specifications

Xeon Gold 5120 and Core i7-6700K 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	14 (Tetradeca-Core)	4 (Quad-Core)
Threads	28	8
Base clock speed	2.2 GHz	4 GHz
Boost clock speed	3.2 GHz	4.2 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	22	40
L1 cache	896 KB	256 KB
L2 cache	14 MB	1 MB
L3 cache	19.25 MB	8 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	122 mm2
Maximum core temperature	81 °C	no data
Maximum case temperature (TCase)	no data	64 °C
Number of transistors	no data	1750 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon Gold 5120 and Core i7-6700K 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	4 (Multiprocessor)	1 (Uniprocessor)
Socket	FCLGA3647	FCLGA1151
Power consumption (TDP)	105 Watt	91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 5120 and Core i7-6700K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon Gold 5120 and Core i7-6700K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 5120 and Core i7-6700K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 5120 and Core i7-6700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR3, DDR4
Maximum memory size	768 GB	64 GB
Max memory channels	6	2
Maximum memory bandwidth	115.212 GB/s	34.134 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 530
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.15 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon Gold 5120 and Core i7-6700K integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Xeon Gold 5120 and Core i7-6700K integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Xeon Gold 5120 and Core i7-6700K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 5120 and Core i7-6700K.

PCIe version	3.0	3.0
PCI Express lanes	48	16

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.

---

Pros & cons summary

---

Performance score	11.83	5.84
Recency	11 July 2017	1 September 2015
Physical cores	14	4
Threads	28	8
Power consumption (TDP)	105 Watt	91 Watt

---

Should you still have questions on choice between Xeon Gold 5120 and Core i7-6700K, 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.

---