i7-6700 vs i9-7920X

Primary details

Comparing Core i9-7920X and Core i7-6700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	472	1207
Place by popularity	not in top-100	51
Cost-effectiveness evaluation	3.22	0.96
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	Intel Core i7 (Desktop)
Power efficiency	10.06	7.39
Architecture codename	Skylake (server) (2017−2019)	Skylake (2015−2016)
Release date	10 September 2017 (7 years ago)	1 September 2015 (9 years ago)
Launch price (MSRP)	$1,199	$303

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7920X has 235% better value for money than i7-6700.

Detailed specifications

Core i9-7920X and Core i7-6700 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	2.9 GHz	3.4 GHz
Boost clock speed	4.4 GHz	4 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	no data	34
L1 cache	64 KB (per core)	256 KB
L2 cache	1 MB (per core)	1 MB
L3 cache	16.5 MB (shared)	8 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	122 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	72 °C	71 °C
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7920X and Core i7-6700 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)	1 (Uniprocessor)
Socket	FCLGA2066	FCLGA1151
Power consumption (TDP)	140 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and Core i7-6700. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-7920X and Core i7-6700 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
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 Core i9-7920X and Core i7-6700 are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core i7-6700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3, DDR4
Maximum memory size	128 GB	64 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	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 Core i9-7920X and Core i7-6700 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 Core i9-7920X and Core i7-6700 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 Core i9-7920X and Core i7-6700 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core i7-6700.

PCIe version	3.0	3.0
PCI Express lanes	44	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.

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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.

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Pros & cons summary

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Performance score	14.94	5.10
Recency	10 September 2017	1 September 2015
Physical cores	12	4
Threads	24	8
Power consumption (TDP)	140 Watt	65 Watt

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Should you still have questions on choice between Core i9-7920X and Core i7-6700, ask them in Comments section, and we shall answer.

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