Ultra 9 285K vs i9-8950HK

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Aggregate performance score

Core i9-8950HK
2018
6 cores / 12 threads, 45 Watt
6.58
Core Ultra 9 285K
2024
24 cores / 24 threads, 125 Watt
43.07
+555%

Core Ultra 9 285K outperforms Core i9-8950HK by a whopping 555% based on our aggregate benchmark results.

Primary details

Comparing Core i9-8950HK and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking104353
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data74.29
Market segmentLaptopDesktop processor
SeriesIntel Core i9no data
Power efficiency6.5232.44
Architecture codenameCoffee Lake-H (2018−2019)Arrow Lake-S (2024−2025)
Release date2 April 2018 (6 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$583$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-8950HK and Core Ultra 9 285K 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 cores6 (Hexa-Core)24 (Tetracosa-Core)
Threads1224
Base clock speed2.9 GHz3.7 GHz
Boost clock speed4.8 GHz5.7 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s250 MHz
Multiplier29no data
L1 cache64K (per core)112 KB (per core)
L2 cache256K (per core)3 MB (per core)
L3 cache12 MB (shared)36 MB (shared)
Chip lithography14 nm3 nm
Die size149 mm2243 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Core i9-8950HK and Core Ultra 9 285K 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 configuration1 (Uniprocessor)1
SocketFCBGA14401851
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-8950HK and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data

Security technologies

Core i9-8950HK and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-8950HK and Core Ultra 9 285K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-8950HK and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5 Depends on motherboard
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Arc Xe-LPG Graphics 64EU
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-8950HK and Core Ultra 9 285K integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i9-8950HK and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i9-8950HK and Core Ultra 9 285K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-8950HK and Core Ultra 9 285K.

PCIe version3.05.0
PCI Express lanes1620

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.

i9-8950HK 6.58
Ultra 9 285K 43.07
+555%

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.

i9-8950HK 10456
Ultra 9 285K 68416
+554%

Geekbench 5.5 Multi-Core

i9-8950HK 5205
Ultra 9 285K 25963
+399%

Blender(-)

i9-8950HK 411
+420%
Ultra 9 285K 79

Geekbench 5.5 Single-Core

i9-8950HK 1097
Ultra 9 285K 2388
+118%

7-Zip Single

i9-8950HK 5080
Ultra 9 285K 7366
+45%

Gaming performance

Pros & cons summary


Performance score 6.58 43.07
Recency 2 April 2018 24 October 2024
Physical cores 6 24
Threads 12 24
Chip lithography 14 nm 3 nm
Power consumption (TDP) 45 Watt 125 Watt

i9-8950HK has 177.8% lower power consumption.

Ultra 9 285K, on the other hand, has a 554.6% higher aggregate performance score, an age advantage of 6 years, 300% more physical cores and 100% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 9 285K is our recommended choice as it beats the Core i9-8950HK in performance tests.

Be aware that Core i9-8950HK is a notebook processor while Core Ultra 9 285K is a desktop one.


Should you still have questions on choice between Core i9-8950HK and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

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Intel Core i9-8950HK
Core i9-8950HK
Intel Core Ultra 9 285K
Core Ultra 9 285K

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Community ratings

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Questions & comments

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