Core i3-7120 vs Core i9-7900X

Primary details

Comparing Core i9-7900X and Core i3-7120 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	508	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.61	no data
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	Intel Core i3
Architecture codename	Skylake-X (2018)	Kaby Lake (2016−2019)
Release date	26 June 2017 (7 years ago)	17 July 2017 (6 years ago)
Launch price (MSRP)	$999	$117
Current price	$531 (0.5x MSRP)	$329 (2.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7900X and Core i3-7120 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	10 (Deca-Core)	2 (Dual-core)
Threads	20	4
Base clock speed	3.3 GHz	4 GHz
Boost clock speed	4.5 GHz	4 GHz
Bus support	no data	8 GT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	14 MB (shared)	3 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	72 °C	65 °C
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i9-7900X and Core i3-7120 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	1 (Uniprocessor)
Socket	Socket R4	1151
Power consumption (TDP)	140 Watt	51 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Core i3-7120. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i9-7900X and Core i3-7120 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Core i3-7120 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Core i3-7120. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Dual-channel
Maximum memory size	128 GB	64 GB
Max memory channels	4	2
Maximum memory bandwidth	85 GB/s	38.397 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Intel HD Graphics 630

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Core i3-7120.

PCIe version	3.0	3.0
PCI Express lanes	44	16

Pros & cons summary

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Physical cores	10	2
Threads	20	4
Cost	$999	$117
Power consumption (TDP)	140 Watt	51 Watt

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Should you still have questions on choice between Core i9-7900X and Core i3-7120, ask them in Comments section, and we shall answer.

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