INTEL

Intel Core Ultra 9 285K

Intel processor specifications and benchmark scores

24
Cores
24
Threads
5.7
GHz Boost
125W
TDP
🔓Unlocked 🖥️Integrated GPU 🛡️ECC Memory 🤖NPU

Intel Core Ultra 9 285K Specifications

⚙️

Core Ultra 9 285K Core Configuration

Processing cores and threading

The Intel Core Ultra 9 285K features 24 physical cores and 24 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
24
Threads
24
Hybrid Cores
P-Cores: 8 E-Cores: 16
SMP CPUs
1
⏱️

Ultra 9 285K Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core Ultra 9 285K benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core Ultra 9 285K by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.7 GHz
Boost Clock
5.7 GHz
P-Core Turbo
5.5 GHz
E-Core Frequency
3.2 GHz up to 4.6 GHz
Multiplier
37x 🔓
💾

Intel's Core Ultra 9 285K Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Ultra 9 285K processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core Ultra 9 285K's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
192 KB (per core)
L2 Cache
3 MB (per core)
L3 Cache
36 MB (shared)
🏗️

Arrow Lake Architecture & Process

Manufacturing and design details

The Intel Core Ultra 9 285K is built on Intel's 3 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in Ultra 9 285K incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Arrow Lake
Codename
Arrow Lake-S
Process Node
3 nm
Foundry
TSMC
Transistors
17,800 million
Die Size
243 mm²
Generation
Ultra 9 (Arrow Lake)
🔢

Arrow Lake Instruction Set Features

Supported CPU instructions and extensions

The Core Ultra 9 285K by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AVX2
AVX-VNNI
FMA3
SHA
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
TXT
Thread Director
AI Boost
🔌

Ultra 9 285K Power & Thermal

TDP and power specifications

The Intel Core Ultra 9 285K has a TDP (Thermal Design Power) of 125W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
125W
PL1 (Base Power)
250 W
PL2 (Turbo Power)
250 W
Tj Max
105°C
🔧

Intel Socket 1851 Platform & Socket

Compatibility information

The Core Ultra 9 285K uses the Intel Socket 1851 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 1851
Chipsets
Z890, B860, W880, Q870, H810
PCIe
Gen 5, 20 Lanes(CPU only)
Package
FC-LGA18W
DDR5

Intel Socket 1851 Memory Support

RAM compatibility and speeds

Memory support specifications for the Ultra 9 285K define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core Ultra 9 285K determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR5
Memory Bus
Dual-channel
Memory Bandwidth
102.4 GB/s
ECC Memory
Supported
🖥️

Intel's Core Ultra 9 285K Integrated Graphics

Built-in GPU specifications

The Intel Core Ultra 9 285K includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the Ultra 9 285K provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Arc Xe-LPG Graphics 64EU
Graphics Model
Arc Xe-LPG Graphics 64EU
🤖

Core Ultra 9 285K by Intel AI & NPU

Neural processing capabilities

The Intel Core Ultra 9 285K features a dedicated Neural Processing Unit (NPU) for accelerating AI and machine learning workloads. This specialized hardware offloads AI tasks from the CPU cores, improving efficiency in applications like real-time video enhancement, noise cancellation, and intelligent assistants. NPU performance is measured in TOPS (Tera Operations Per Second), with higher values indicating faster AI processing. The NPU enables on-device AI capabilities without relying on cloud services, enhancing privacy and reducing latency.

NPU
Yes / 13 TOPS
📦

Core Ultra 9 285K Product Information

Release and pricing details

The Intel Core Ultra 9 285K is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core Ultra 9 285K by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Oct 2024
Launch Price
$589
Market
Desktop
Status
Active
Part Number
SRQD5

Core Ultra 9 285K Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core Ultra 9 285K performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #60 of 1788
5,804
39%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core Ultra 9 285K handles tasks that can't be parallelized.

cinebench_cinebench_r15_singlecore #60 of 1245
819
39%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core Ultra 9 285K. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #60 of 1788
24,185
39%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core Ultra 9 285K. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #60 of 1784
3,414
39%
Max: 8,811
Compare with other CPUs

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core Ultra 9 285K after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #60 of 1788
57,584
39%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core Ultra 9 285K maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #60 of 1788
8,129
39%
Max: 20,979
Compare with other CPUs

passmark_data_compressionSource

Data compression measures how fast Intel Core Ultra 9 285K can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations. Software distribution and cloud storage services benefit from efficient compression performance.

passmark_data_compression #52 of 528
794,635
15%
Max: 5,427,555
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
5,427,555
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast Intel Core Ultra 9 285K can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher.

passmark_data_encryption #39 of 528
58,210
18%
Max: 316,606
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
316,606
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests Intel Core Ultra 9 285K performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities. Machine learning inference and scientific computing also benefit from strong SIMD performance.

passmark_extended_instructions #45 of 528
62,300
16%
Max: 392,159
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
392,159
#2 AMD EPYC 9845
314,798
#3 AMD EPYC 9755
303,321
#4 AMD EPYC 9745
280,477

passmark_find_prime_numbersSource

Find prime numbers tests Intel Core Ultra 9 285K ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks.

passmark_find_prime_numbers #33 of 528
545
23%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how Intel Core Ultra 9 285K handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations. Scientific and engineering applications benefit significantly from higher floating point scores.

passmark_floating_point_math #28 of 528
225,800
20%
Max: 1,141,430
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,141,430
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219
#5 AMD EPYC 9655P
710,260

passmark_integer_mathSource

Integer math tests how fast Intel Core Ultra 9 285K processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations.

passmark_integer_math #86 of 528
173,281
10%
Max: 1,806,439
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,806,439
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests Intel Core Ultra 9 285K across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability.

passmark_multithread #37 of 528
67,737
39%
Max: 174,825
Compare with other CPUs

passmark_physicsSource

Physics tests how Intel Core Ultra 9 285K handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores. Engineering applications like structural analysis and fluid dynamics also rely on physics computation.

passmark_physics #60 of 528
4,062
15%
Max: 27,806
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9755
27,806
#2 AMD EPYC 9655P
26,810
#3 AMD EPYC 9655
25,958
#4 AMD EPYC 9684X
24,686
#5 AMD EPYC 9575F
22,021

passmark_random_string_sortingSource

Random string sorting measures how fast Intel Core Ultra 9 285K can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores. Database servers and search engines rely heavily on efficient string manipulation.

passmark_random_string_sorting #46 of 528
95,726
16%
Max: 609,901
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
609,901
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
455,310

passmark_single_threadSource

PassMark single-thread measures per-core performance of Intel Core Ultra 9 285K across various computational tasks. This score is critical for gaming and single-threaded applications.

passmark_single_thread #1 of 528
5,097
100%
Max: 5,097

passmark_singlethreadSource

PassMark single-thread measures per-core performance of Intel Core Ultra 9 285K across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.

passmark_singlethread #1 of 528
5,097
100%
Max: 5,097

About Intel Core Ultra 9 285K

The Intel Core Ultra 9 285K, built on the Arrow Lake architecture, represents a significant shift for Intel, moving to a chiplet design and a new Intel Socket 1851. This 3 nm process node promises improved efficiency and transistor density, but how does it translate to real-world performance for enthusiasts? With a base clock of 3.70 GHz and a turbo clock reaching 5.70 GHz, the chip aims to balance power and peak speed, though the 24 cores and 24 threads (without Hyper-Threading) present a unique configuration. The 125W TDP suggests a focus on performance-per-watt, a narrative Intel is keen to push with this generation. We have to ask if the removal of Hyper-Threading impacts heavy multitasking compared to previous flagships. The $589 launch price places it in a competitive segment, demanding strong value to justify the upgrade. Does the new architecture truly deliver on the promise of next-generation computing? Looking at the cache hierarchy, the 36 MB shared L3 cache is crucial for feeding the cores, but we wonder how the new layout affects latency. The 24-core, 24-thread design is a departure from the hyper-threaded past, forcing a re-evaluation of how we measure multi-threaded throughput. The 3.70 GHz base clock provides a solid floor for sustained workloads, while the 5.70 GHz turbo is designed for bursty, single-threaded tasks. However, achieving that 5.70 GHz across all 24 cores simultaneously will be heavily dependent on thermal headroom and motherboard power delivery. The Intel Core Ultra 9 285K must prove that its new core architecture can handle diverse loads without the crutch of simultaneous multithreading. We are left questioning if the silicon can maintain high clocks under the 125W TDP limit during prolonged rendering or compilation sessions. This balancing act between clock speed, core count, and power efficiency is the defining challenge for this chip. Thermal design is a major talking point, as the 125W TDP is just a baseline, with actual power draw likely spiking much higher under load. We need to see if existing high-end cooling solutions are sufficient for the Intel Core Ultra 9 285K or if the new socket requires specialized hardware. The move to a 3 nm process should theoretically reduce heat density, but the sheer number of cores creates a concentrated thermal load. Does the chip's internal thermal management effectively prevent throttling during intensive, multi-core workloads? Intel's claim of efficiency gains needs to be scrutinized against the reality of sustained power consumption. For users with smaller form factor builds, the thermal behavior of this CPU will be a deciding factor. We are looking for evidence that the architecture manages heat intelligently, rather than just relying on brute force cooling. In terms of ideal workloads, the Intel Core Ultra 9 285K seems poised to excel in tasks that leverage its high turbo clock and strong integer math capabilities. The benchmark data highlights its potential, with PassMark Floating Point Math hitting 225,800 points and Integer Math reaching 173,281 points, suggesting prowess in scientific and general computing. However, the 67,737 points in PassMark Multithread is a figure we must analyze closely, as it reflects the 24-thread limit. Who is this CPU for? - Content creators needing fast single-core speeds for timeline scrubbing. - Developers compiling large codebases who benefit from high integer performance. - Gamers seeking maximum frame rates, though the lack of Hyper-Threading is a curiosity. - Data scientists utilizing the strong floating point math for simulations. The 794,635 points in PassMark Data Compression is impressive, but we question if the performance gains justify the platform cost for the average user. Ultimately, this processor seems tailored for professionals who need a blend of high single-threaded burst and capable multi-threaded throughput.

The AMD Equivalent of Core Ultra 9 285K

Looking for a similar processor from AMD? The AMD Ryzen 9 9950X offers comparable performance and features in the AMD lineup.

AMD Ryzen 9 9950X

AMD • 16 Cores

View Specs Compare

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