Ultra 9 285K vs Xeon Gold 6126

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Aggregate performance score

Xeon Gold 6126
2017
12 cores / 24 threads, 125 Watt
12.08
Core Ultra 9 285K
2024
24 cores / 24 threads, 125 Watt
43.06
+256%

Core Ultra 9 285K outperforms Xeon Gold 6126 by a whopping 256% based on our aggregate benchmark results.

Primary details

Comparing Xeon Gold 6126 and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking64253
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.2974.28
Market segmentServerDesktop processor
SeriesIntel Xeon Goldno data
Power efficiency9.1032.43
Architecture codenameSkylake (server) (2017−2018)Arrow Lake-S (2024−2025)
Release date25 April 2017 (7 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$1,776$589

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 9 285K has 1631% better value for money than Xeon Gold 6126.

Detailed specifications

Xeon Gold 6126 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 cores12 (Dodeca-Core)24 (Tetracosa-Core)
Threads2424
Base clock speed2.6 GHz3.7 GHz
Boost clock speed3.7 GHz5.7 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s250 MHz
Multiplier26no data
L1 cache768 KB112 KB (per core)
L2 cache12 MB3 MB (per core)
L3 cache19.25 MB36 MB (shared)
Chip lithography14 nm3 nm
Die sizeno data243 mm2
Maximum core temperature86 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Xeon Gold 6126 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 configuration4 (Multiprocessor)1
SocketFCLGA36471851
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6126 and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Turbo Boost Max 3.0-no data

Security technologies

Xeon Gold 6126 and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6126 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 Xeon Gold 6126 and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5 Depends on motherboard
Maximum memory size768 GBno data
Max memory channels6no data
Maximum memory bandwidth128.001 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataArc Xe-LPG Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6126 and Core Ultra 9 285K.

PCIe version3.05.0
PCI Express lanes4820

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.

Xeon Gold 6126 12.08
Ultra 9 285K 43.06
+256%

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.

Xeon Gold 6126 19189
Ultra 9 285K 68403
+256%

Gaming performance

Pros & cons summary


Performance score 12.08 43.06
Recency 25 April 2017 24 October 2024
Physical cores 12 24
Chip lithography 14 nm 3 nm

Ultra 9 285K has a 256.5% higher aggregate performance score, an age advantage of 7 years, 100% more physical cores, and a 366.7% more advanced lithography process.

The Core Ultra 9 285K is our recommended choice as it beats the Xeon Gold 6126 in performance tests.

Be aware that Xeon Gold 6126 is a server/workstation processor while Core Ultra 9 285K is a desktop one.


Should you still have questions on choice between Xeon Gold 6126 and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon Gold 6126
Xeon Gold 6126
Intel Core Ultra 9 285K
Core Ultra 9 285K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.8 4 votes

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3.4 159 votes

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Questions & comments

Here you can ask a question about Xeon Gold 6126 or Core Ultra 9 285K, agree or disagree with our judgements, or report an error or mismatch.