Core i9-14900KF vs Core i7-990X

Primary details

Comparing Core i7-990X and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1237	69
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.69	84.46
Market segment	Desktop processor	Desktop processor
Architecture codename	Gulftown (2010−2011)	no data
Release date	24 February 2011 (13 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$1,104	no data
Current price	$160 (0.1x MSRP)	$514

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900KF has 4898% better value for money than i7-990X.

Detailed specifications

Core i7-990X and Core i9-14900KF 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)	24 (Tetracosa-Core)
Threads	12	32
Base clock speed	3.46 GHz	no data
Boost clock speed	3.73 GHz	5.8 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	12 MB (shared)	36 MB Intel® Smart Cache
Chip lithography	32 nm	Intel 7 nm
Die size	239 mm2	no data
Maximum core temperature	68 °C	100 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-990X and Core i9-14900KF 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
Socket	FCLGA1366,LGA1366	FCLGA1700
Power consumption (TDP)	130 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-990X and Core i9-14900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Launched

Security technologies

Core i7-990X and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-990X and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-990X and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5600, DDR4-3200
Maximum memory size	24 GB	192 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	89.6 GB/s
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-990X and Core i9-14900KF.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	no data	20

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.

Core i9-14900KF outperforms Core i7-990X by 744% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	4.60	38.82
Recency	24 February 2011	1 October 2023
Physical cores	6	24
Threads	12	32

---

Should you still have questions on choice between Core i7-990X and Core i9-14900KF, 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.

---