Intel Core Ultra 9 285K
vs
Intel Xeon 658X

vs

CPU Comparison Result

Below are the results of a comparison of Intel Core Ultra 9 285K and Intel Xeon 658X processors based on key performance characteristics, as well as power consumption and much more.

Advantages

  • Higher Performance-core Max Turbo Frequency: 5.7 GHz (5.7 GHz vs 4.9 GHz)
  • Higher Technology: 3 nm (3 nm vs 5 nm)
  • Larger L3 Cache: 144 MB shared (36 MB shared vs 144 MB shared)
  • Newer Launch Date: February 2026 (December 2024 vs February 2026)

Basic

Intel
Label Name
Intel
December 2024
Launch Date
February 2026
Desktop
Platform
Server
Core Ultra 9 285K
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
Xeon 658X
Arrow Lake
Code Name
Granite Rapids
Intel
Foundry
Intel
Ultra 9 (Arrow Lake)
Generation
Xeon 600 (Granite Rapids-WS)

CPU Specifications

24
Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
24
24
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
48
8
Performance-cores
24
16
Efficient-cores
-
3.7 GHz
Performance-core Base Frequency
3 GHz
3.2 GHz
Efficient-core Base Frequency
-
4.6 GHz
Efficient-core Max Turbo Frequency
?
Maximum E-core turbo frequency derived from Intel® Turbo Boost Technology.
-
5.7 GHz
Performance-core Max Turbo Frequency
?
Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.
4.9 GHz
-
L1 Cache
112 KB per core
40 MB
L2 Cache
2 MB per core
36 MB shared
L3 Cache
144 MB shared
100 MHz
Bus Frequency
100 MHz
Intel Socket 1851
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel Socket 4710
32
Multiplier
30.0
Yes
Unlocked Multiplier
Yes
3 nm
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
5 nm
125 W
TDP
250 W
105 °C
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
99°C
5
PCIe Version
?
PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.
5

Memory Specifications

DDR5-6400
Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR5-6400
256 GB
Max Memory Size
?
Max memory size refers to the maximum memory capacity supported by the processor.
4 TB
2
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
8
102.4 GB/s
Max Memory Bandwidth
?
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
409.6 GB/s
Yes
ECC Memory Support
Yes

GPU Specifications

true
Integrated Graphics Model
?
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
-
300 MHz
GPU Base Frequency
-
2000 MHz
GPU Max Dynamic Frequency
-
4
Execution Units
?
The Execution Unit is the foundational building block of Intel’s graphics architecture. Execution Units are compute processors optimized for simultaneous Multi-Threading for high throughput compute power.
-
1.79 TFLOPS
Graphics Performance
-

Interfaces and Ports

-
PCIe Lanes
128

Benchmarks

Geekbench 6 Single Core
Core Ultra 9 285K
3450 +11%
Xeon 658X
3096
Geekbench 6 Multi Core
Core Ultra 9 285K
23006
Xeon 658X
29732 +29%
Passmark CPU Single Core
Core Ultra 9 285K
5268 +51%
Xeon 658X
3485
Passmark CPU Multi Core
Core Ultra 9 285K
67287
Xeon 658X
68239 +1%