Core i9-9900KF vs Core Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	383	614
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	15.45
Market segment	Laptop	Desktop processor
Series	Intel Meteor Lake-H	Intel Core i9
Architecture codename	Meteor Lake-H	Coffee Lake-R (2018−2019)
Release date	14 December 2023 (less than a year ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	no data	$488
Current price	no data	$343 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core Ultra 7 155H and Core i9-9900KF 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	16 (Hexadeca-Core)	8 (Octa-Core)
Threads	22	16
Base clock speed	3.8 GHz	3.6 GHz
Boost clock speed	4.8 GHz	5 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	112 KB (per core)	64K (per core)
L2 cache	2 MB (per core)	256K (per core)
L3 cache	24 MB (shared)	16 MB (shared)
Chip lithography	7 nm	14 nm
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core Ultra 7 155H and Core i9-9900KF 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	FCBGA2049	FCLGA1151
Power consumption (TDP)	28 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Core i9-9900KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Core Ultra 7 155H and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Core i9-9900KF are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4-2666
Maximum memory size	96 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	41.6 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	no data
Quick Sync Video	+	no data
Graphics max frequency	2.25 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Core i9-9900KF integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Core i9-9900KF integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)	no data
Max resolution over eDP	3840x2400 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core Ultra 7 155H and Core i9-9900KF integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Core i9-9900KF.

PCIe version	5.0	3.0
PCI Express lanes	28	16
PCI support	5.0 and 4.0	no data

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.

Core Ultra 7 155H outperforms Core i9-9900KF by 36% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	16.15	11.84
Recency	14 December 2023	8 January 2019
Physical cores	16	8
Threads	22	16
Chip lithography	7 nm	14 nm
Power consumption (TDP)	28 Watt	95 Watt

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Should you still have questions on choice between Core Ultra 7 155H and Core i9-9900KF, ask them in Comments section, and we shall answer.

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