i9-9900KS vs Ultra 9 285H

Primary details

Comparing Core Ultra 9 285H and Core i9-9900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	231	658
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	10.55
Market segment	Laptop	Desktop processor
Series	no data	Intel Core i9
Power efficiency	49.33	9.10
Architecture codename	Arrow Lake-H	Coffee Lake-R (2018−2019)
Release date	no data	28 October 2019 (5 years ago)
Launch price (MSRP)	no data	$513

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core Ultra 9 285H and Core i9-9900KS 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)
Performance-cores	6	no data
Efficient-cores	8	no data
Low Power Efficient-cores	2	no data
Threads	16	16
Base clock speed	no data	4 GHz
Boost clock speed	5.4 GHz	5 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	40
L1 cache	no data	64 KB (per core)
L2 cache	no data	256 KB (per core)
L3 cache	24 MB	16 MB (shared)
Chip lithography	no data	14 nm
Die size	no data	180 mm2
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	-	+

Compatibility

Information on Core Ultra 9 285H and Core i9-9900KS 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)	45 Watt	127 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 9 285H and Core i9-9900KS. 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	no data	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	+	+
SIPP	+	+
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-
Supported AI Software Frameworks	OpenVINO™, WindowsML, ONNX RT, DirectML, WebNN	-

Security technologies

Core Ultra 9 285H and Core i9-9900KS 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 9 285H and Core i9-9900KS are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 285H and Core i9-9900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-6400	DDR4
Maximum memory size	128 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™ 140T GPU	Intel UHD Graphics 630
Max video memory	no data	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	2.35 GHz	1.2 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core Ultra 9 285H and Core i9-9900KS integrated GPUs.

Number of displays supported

4

3

Graphics image quality

Maximum display resolutions supported by Core Ultra 9 285H and Core i9-9900KS integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core Ultra 9 285H and Core i9-9900KS integrated GPUs, sometimes API versions are included.

DirectX	12.2	12
OpenGL	4.6	4.5

Peripherals

Specifications and connection of peripherals supported by Core Ultra 9 285H and Core i9-9900KS.

PCIe version	no data	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.

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Pros & cons summary

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Performance score	23.31	12.14
Physical cores	16	8
Power consumption (TDP)	45 Watt	127 Watt

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Should you still have questions on choice between Core Ultra 9 285H and Core i9-9900KS, ask them in Comments section, and we shall answer.

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