Ultra 9 285K vs Xeon E5345

Aggregate performance score

Xeon E5345
2006
4 cores / 4 threads, 80 Watt
1.18
Core Ultra 9 285K
2024
24 cores / 24 threads, 125 Watt
43.07
+3550%

Core Ultra 9 285K outperforms Xeon E5345 by a whopping 3550% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5345 and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking237153
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.0674.33
Market segmentServerDesktop processor
Power efficiency1.4032.61
Architecture codenameClovertown (2006−2007)Arrow Lake-S (2024−2025)
Release date14 November 2006 (18 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$851$589

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 9 285K has 123783% better value for money than Xeon E5345.

Detailed specifications

Xeon E5345 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 cores4 (Quad-Core)24 (Tetracosa-Core)
Threads424
Base clock speed2.33 GHz3.7 GHz
Boost clock speed0.33 GHz5.6 GHz
Bus rateno data250 MHz
L1 cache64 KB (per core)112 KB (per core)
L2 cache4 MB (per die)3 MB (per core)
L3 cache8 MB L2 Cache36 MB (shared)
Chip lithography65 nm3 nm
Die size2x 143 mm2243 mm2
Maximum case temperature (TCase)66 °Cno data
Number of transistors582 million17,800 million
64 bit support++
Unlocked multiplier-+
VID voltage range1V-1.5Vno data

Compatibility

Information on Xeon E5345 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 configuration21
SocketLGA771,PLGA771FCLGA1851
Power consumption (TDP)80 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5345 and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-no data
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+
Demand Based Switching+no data
PAE32 Bitno data
Turbo Boost Max 3.0no data+
FSB parity+no data
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Xeon E5345 and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5345 and Core Ultra 9 285K are enumerated here.

VT-dno data+
VT-x++
EPT-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5345 and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2, DDR3 Depends on motherboardDDR5-6400
Maximum memory sizeno data192 GB
Max memory channelsno data2
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® Graphics
Quick Sync Video-+
Graphics max frequencyno data2 GHz

Graphics interfaces

Available interfaces and connections of Xeon E5345 and Core Ultra 9 285K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Xeon E5345 and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data4K @ 60Hz
Max resolution over DisplayPortno data8K @ 60Hz

Graphics API support

APIs supported by Xeon E5345 and Core Ultra 9 285K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5345 and Core Ultra 9 285K.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

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 E5345 1.18
Ultra 9 285K 43.07
+3550%

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 E5345 1868
Ultra 9 285K 68422
+3563%

Gaming performance

Pros & cons summary


Performance score 1.18 43.07
Recency 14 November 2006 24 October 2024
Physical cores 4 24
Threads 4 24
Chip lithography 65 nm 3 nm
Power consumption (TDP) 80 Watt 125 Watt

Xeon E5345 has 56.3% lower power consumption.

Ultra 9 285K, on the other hand, has a 3550% higher aggregate performance score, an age advantage of 17 years, 500% more physical cores and 500% more threads, and a 2066.7% more advanced lithography process.

The Core Ultra 9 285K is our recommended choice as it beats the Xeon E5345 in performance tests.

Be aware that Xeon E5345 is a server/workstation processor while Core Ultra 9 285K is a desktop one.


Should you still have questions on choice between Xeon E5345 and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

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Intel Xeon E5345
Xeon E5345
Intel Core Ultra 9 285K
Core Ultra 9 285K

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