Ultra 5 245K vs Xeon E5-2403 v2

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Aggregate performance score

Xeon E5-2403 v2
2013
4 cores / 4 threads, 80 Watt
1.81
Core Ultra 5 245K
2024
14 cores / 14 threads, 125 Watt
27.64
+1427%

Core Ultra 5 245K outperforms Xeon E5-2403 v2 by a whopping 1427% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2403 v2 and Core Ultra 5 245K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2011175
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.5678.36
Market segmentServerDesktop processor
Power efficiency2.1320.82
Architecture codenameIvy Bridge-EN (2013−2014)Arrow Lake-S (2024−2025)
Release date1 September 2013 (11 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$223$309

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 5 245K has 13893% better value for money than Xeon E5-2403 v2.

Detailed specifications

Xeon E5-2403 v2 and Core Ultra 5 245K 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)14 (Tetradeca-Core)
Threads414
Base clock speed1.8 GHz4.2 GHz
Boost clock speed1.8 GHz5.2 GHz
Bus rate6.4 GT/s159 MHz
L1 cache64 KB (per core)112 KB (per core)
L2 cache256 KB (per core)3 MB (per core)
L3 cache10 MB (shared)24 MB (shared)
Chip lithography22 nm3 nm
Die size160 mm2243 mm2
Maximum core temperature76 °Cno data
Number of transistors1,400 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Xeon E5-2403 v2 and Core Ultra 5 245K 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
SocketFCLGA13561851
Power consumption (TDP)80 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2403 v2 and Core Ultra 5 245K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
TSX-+
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
SIPP-+
Demand Based Switching+no data
PAE46 Bitno data

Security technologies

Xeon E5-2403 v2 and Core Ultra 5 245K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2403 v2 and Core Ultra 5 245K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2403 v2 and Core Ultra 5 245K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size384 GBno data
Max memory channels3no data
Maximum memory bandwidth32 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 E5-2403 v2 and Core Ultra 5 245K.

PCIe version3.05.0
PCI Express lanes2420

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 E5-2403 v2 1.81
Ultra 5 245K 27.64
+1427%

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 E5-2403 v2 2873
Ultra 5 245K 43908
+1428%

Gaming performance

Pros & cons summary


Performance score 1.81 27.64
Recency 1 September 2013 24 October 2024
Physical cores 4 14
Threads 4 14
Chip lithography 22 nm 3 nm
Power consumption (TDP) 80 Watt 125 Watt

Xeon E5-2403 v2 has 56.3% lower power consumption.

Ultra 5 245K, on the other hand, has a 1427.1% higher aggregate performance score, an age advantage of 11 years, 250% more physical cores and 250% more threads, and a 633.3% more advanced lithography process.

The Core Ultra 5 245K is our recommended choice as it beats the Xeon E5-2403 v2 in performance tests.

Be aware that Xeon E5-2403 v2 is a server/workstation processor while Core Ultra 5 245K is a desktop one.


Should you still have questions on choice between Xeon E5-2403 v2 and Core Ultra 5 245K, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2403 v2
Xeon E5-2403 v2
Intel Core Ultra 5 245K
Core Ultra 5 245K

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Community ratings

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


2.5 4 votes

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3.3 21 vote

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Questions & comments

Here you can ask a question about Xeon E5-2403 v2 or Core Ultra 5 245K, agree or disagree with our judgements, or report an error or mismatch.