Core i7-990X Extreme Edition vs Core i9-9900K

Primary Details

Comparing Core i9-9900K and Core i7-990X Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	594	not rated
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	13.09	no data
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	Intel Core i7EE
Architecture codename	Coffee Lake-R (2018−2019)	Westmere (2010−2011)
Release date	19 October 2018 (5 years ago)	13 February 2011 (13 years ago)
Launch price (MSRP)	$488	no data
Current price	$409 (0.8x MSRP)	$173

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

Core i9-9900K and Core i7-990X Extreme Edition 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	8 (Octa-Core)	6 (Hexa-Core)
Threads	16	12
Base clock speed	3.6 GHz	no data
Boost clock speed	5 GHz	3.46 GHz
Bus support	no data	6.4 GT/s
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	1.5 MB
L3 cache	16 MB (shared)	12 MB
Chip lithography	14 nm	32 nm
Die size	178 mm2	239 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i9-9900K and Core i7-990X Extreme Edition 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	LGA-1151	no data
Power consumption (TDP)	95 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Core i7-990X Extreme Edition. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-9900K and Core i7-990X Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Core i7-990X Extreme Edition are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Core i7-990X Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	128 GB	24 GB
Max memory channels	2	no data
Maximum memory bandwidth	41.6 GB/s	no data
ECC memory support	-	no data

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	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Core i7-990X Extreme Edition integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Core i7-990X Extreme Edition integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@24Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i9-9900K and Core i7-990X Extreme Edition 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 i9-9900K and Core i7-990X Extreme Edition.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & Cons Summary

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Recency	19 October 2018	13 February 2011
Physical cores	8	6
Threads	16	12
Chip lithography	14 nm	32 nm
Power consumption (TDP)	95 Watt	130 Watt

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