Core Ultra 5 135U vs Core i9-9900KS

Primary details

Comparing Core i9-9900KS and Core Ultra 5 135U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	558	605
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.77	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i9	Intel Meteor Lake-U
Architecture codename	Coffee Lake-R (2018−2019)	Meteor Lake-P
Release date	28 October 2019 (4 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$513	no data
Current price	$384 (0.7x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900KS and Core Ultra 5 135U 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)	12 (Dodeca-Core)
Threads	16	142 x 4.4  GHz Intel Redwood Cove P-Core8 x 3.6  GHz Intel Crestmont E-Core2 x 2.1  GHz Intel Crestmont E-Core
Base clock speed	4 GHz	3.6 GHz
Boost clock speed	5 GHz	4.4 GHz
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	16 MB (shared)	12 MB
Chip lithography	14 nm	7 nm
Die size	178 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Core i9-9900KS and Core Ultra 5 135U 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	FCLGA1151	FCBGA2049
Power consumption (TDP)	127 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KS and Core Ultra 5 135U. 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)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	+	+
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Core i9-9900KS and Core Ultra 5 135U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KS and Core Ultra 5 135U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KS and Core Ultra 5 135U. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	Intel® Graphics
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	1.9 GHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i9-9900KS and Core Ultra 5 135U integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Core i9-9900KS and Core Ultra 5 135U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@24Hz	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	4096 x 2304@60Hz	3840x2400 @ 120Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i9-9900KS and Core Ultra 5 135U integrated GPUs, sometimes API versions are included.

DirectX	12	12.2
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KS and Core Ultra 5 135U.

PCIe version	3.0	no data
PCI Express lanes	16	20
PCI support	no data	4.0

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 i9-9900KS outperforms Core Ultra 5 135U by 6% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	12.60	11.86
Recency	28 October 2019	14 December 2023
Physical cores	8	12
Threads	16	142 x 4.4 GHz Intel Redwood Cove P-Core8 x 3.6 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core
Chip lithography	14 nm	7 nm
Power consumption (TDP)	127 Watt	15 Watt

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Should you still have questions on choice between Core i9-9900KS and Core Ultra 5 135U, ask them in Comments section, and we shall answer.

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