Ultra 9 285K vs i5-11600K

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Aggregate performance score

Core i5-11600K
2021
6 cores / 12 threads, 125 Watt
12.32
Core Ultra 9 285K
2024
24 cores / 24 threads, 125 Watt
43.08
+250%

Core Ultra 9 285K outperforms Core i5-11600K by a whopping 250% based on our aggregate benchmark results.

Primary details

Comparing Core i5-11600K and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking63053
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data74.34
Market segmentDesktop processorDesktop processor
Power efficiency9.3332.62
Architecture codenameRocket Lake (2021)Arrow Lake-S (2024−2025)
Release date16 March 2021 (3 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-11600K 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 speed3.9 GHz3.7 GHz
Boost clock speed4.9 GHz5.7 GHz
Bus rate8 GT/s250 MHz
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 sizeno data243 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 i5-11600K 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 configuration11
SocketFCLGA12001851
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11600K 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® AVX2, Intel® AVX-512no data
AES-NI++
FMA+-
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0-no data
Deep Learning Boost+-

Security technologies

Core i5-11600K and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11600K and Core Ultra 9 285K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11600K and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5 Depends on motherboard
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 750Arc Xe-LPG Graphics 64EU
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
Execution Units32no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-11600K and Core Ultra 9 285K integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-11600K and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i5-11600K and Core Ultra 9 285K integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-11600K and Core Ultra 9 285K.

PCIe version4.05.0
PCI Express lanes2020

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.

i5-11600K 12.32
Ultra 9 285K 43.08
+250%

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.

i5-11600K 19575
Ultra 9 285K 68431
+250%

Geekbench 5.5 Multi-Core

i5-11600K 8430
Ultra 9 285K 25963
+208%

Blender(-)

i5-11600K 267
+238%
Ultra 9 285K 79

Geekbench 5.5 Single-Core

i5-11600K 1723
Ultra 9 285K 2388
+38.6%

7-Zip Single

i5-11600K 6062
Ultra 9 285K 7366
+21.5%

7-Zip

i5-11600K 44971
Ultra 9 285K 129706
+188%

WebXPRT 3

i5-11600K 272
Ultra 9 285K 387
+42.5%

CrossMark Overall

i5-11600K 1652
Ultra 9 285K 2531
+53.2%

Gaming performance

Pros & cons summary


Performance score 12.32 43.08
Recency 16 March 2021 24 October 2024
Physical cores 6 24
Threads 12 24
Chip lithography 14 nm 3 nm

Ultra 9 285K has a 249.7% higher aggregate performance score, an age advantage of 3 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 i5-11600K in performance tests.


Should you still have questions on choice between Core i5-11600K and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

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Intel Core i5-11600K
Core i5-11600K
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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