i5-655K vs Xeon X3450

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Aggregate performance score

Xeon X3450
2009
4 cores / 8 threads, 95 Watt
1.80
+41.7%
Core i5-655K
2010
2 cores / 4 threads, 73 Watt
1.27

Xeon X3450 outperforms Core i5-655K by a considerable 42% based on our aggregate benchmark results.

Primary details

Comparing Xeon X3450 and Core i5-655K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20212300
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.51no data
Market segmentServerDesktop processor
Power efficiency1.791.65
Architecture codenameLynnfield (2009−2010)Clarkdale (2010−2011)
Release date8 September 2009 (15 years ago)30 May 2010 (14 years ago)
Launch price (MSRP)$241no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon X3450 and Core i5-655K 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)2 (Dual-core)
Threads84
Base clock speed2.66 GHz3.2 GHz
Boost clock speed3.2 GHz3.46 GHz
Bus rateno data2.5 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache8 MB (shared)4 MB (shared)
Chip lithography45 nm32 nm
Die size296 mm281 mm2
Maximum core temperatureno data73 °C
Maximum case temperature (TCase)73 °Cno data
Number of transistors774 million382 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon X3450 and Core i5-655K 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 configuration11
SocketFCLGA1156,LGA1156FCLGA1156
Power consumption (TDP)95 Watt73 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3450 and Core i5-655K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.2
AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.01.0
Hyper-Threading Technology++
Idle States++
Demand Based Switching+-
PAE36 Bit36 Bit
FDIno data+

Security technologies

Xeon X3450 and Core i5-655K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3450 and Core i5-655K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3450 and Core i5-655K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066, DDR3-1333DDR3
Maximum memory size32 GB16.38 GB
Max memory channels22
Maximum memory bandwidth21 GB/s21 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD Graphics for Previous Generation Intel Processors
Clear Video HDno data+

Graphics interfaces

Available interfaces and connections of Xeon X3450 and Core i5-655K integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Xeon X3450 and Core i5-655K.

PCIe version2.02.0
PCI Express lanes1616

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 X3450 1.80
+41.7%
i5-655K 1.27

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 X3450 2858
+41.7%
i5-655K 2017

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon X3450 431
i5-655K 537
+24.6%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon X3450 1454
+16.6%
i5-655K 1247

Gaming performance

Pros & cons summary


Performance score 1.80 1.27
Recency 8 September 2009 30 May 2010
Physical cores 4 2
Threads 8 4
Chip lithography 45 nm 32 nm
Power consumption (TDP) 95 Watt 73 Watt

Xeon X3450 has a 41.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i5-655K, on the other hand, has an age advantage of 8 months, a 40.6% more advanced lithography process, and 30.1% lower power consumption.

The Xeon X3450 is our recommended choice as it beats the Core i5-655K in performance tests.

Be aware that Xeon X3450 is a server/workstation processor while Core i5-655K is a desktop one.


Should you still have questions on choice between Xeon X3450 and Core i5-655K, ask them in Comments section, and we shall answer.

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Intel Xeon X3450
Xeon X3450
Intel Core i5-655K
Core i5-655K

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Community ratings

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


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Questions & comments

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