i9-9900KF vs Ultra 7 155H

Place in the ranking	424	675
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	8.21
Market segment	Laptop	Desktop processor
Series	Intel Meteor Lake-H	Intel Core i9
Power efficiency	53.44	11.46
Architecture codename	Meteor Lake-H (2023)	Coffee Lake-R (2018−2019)
Release date	14 December 2023 (less than a year ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	$503	$488

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

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 type	no data	DMI 3.0
Bus rate	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	Intel 4 nm	14 nm
Maximum core temperature	110 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	-	+

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 (Uniprocessor)
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
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-
Supported AI Software Frameworks	OpenVINO™, WindowsML, ONNX RT	-

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	-	+
Identity Protection	-	+
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	42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	no data
Quick Sync Video	+	-
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

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	8	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.

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.

Ultra 7 155H 15.81
+37.5%

i9-9900KF 11.50

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ultra 7 155H 25114
+37.5%

i9-9900KF 18263

Gaming performance

Pros & cons summary

Performance score	15.81	11.50
Recency	14 December 2023	8 January 2019
Physical cores	16	8
Threads	22	16
Power consumption (TDP)	28 Watt	95 Watt

Ultra 7 155H has a 37.5% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 37.5% more threads, and 239.3% lower power consumption.

The Core Ultra 7 155H is our recommended choice as it beats the Core i9-9900KF in performance tests.

Be aware that Core Ultra 7 155H is a notebook processor while Core i9-9900KF is a desktop one.

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.