Xeon L5420 vs X5675

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Aggregate performance score

Xeon X5675
2011
6 cores / 12 threads, 95 Watt
4.03
+199%

Xeon X5675 outperforms Xeon L5420 by a whopping 199% based on our aggregate benchmark results.

Primary details

Comparing Xeon X5675 and Xeon L5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14212255
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.08no data
Market segmentServerServer
Power efficiency4.012.55
Architecture codenameWestmere-EP (2010−2011)no data
Release date14 February 2011 (13 years ago)1 January 2008 (16 years ago)
Launch price (MSRP)$162no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon X5675 and Xeon L5420 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 cores6 (Hexa-Core)no data
Threads12no data
Base clock speed3.06 GHz2.5 GHz
Boost clock speed3.46 GHzno data
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache12288 KB (shared)12 MB L2 Cache
Chip lithography32 nm45 nm
Die size239 mm2no data
Maximum core temperature81 °C57 °C
Number of transistors1,170 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Xeon X5675 and Xeon L5420 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 configuration2no data
SocketFCLGA1366,LGA1366LGA771
Power consumption (TDP)95 Watt50 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5675 and Xeon L5420. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Demand Based Switching++
PAE40 Bitno data
FSB parityno data+

Security technologies

Xeon X5675 and Xeon L5420 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5675 and Xeon L5420 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5675 and Xeon L5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size288 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon X5675 and Xeon L5420.

PCIe version2.0no data

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 X5675 4.03
+199%
Xeon L5420 1.35

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 X5675 6396
+198%
Xeon L5420 2143

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 X5675 502
+51.2%
Xeon L5420 332

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 X5675 2464
+169%
Xeon L5420 917

Gaming performance

Pros & cons summary


Performance score 4.03 1.35
Recency 14 February 2011 1 January 2008
Chip lithography 32 nm 45 nm
Power consumption (TDP) 95 Watt 50 Watt

Xeon X5675 has a 198.5% higher aggregate performance score, an age advantage of 3 years, and a 40.6% more advanced lithography process.

Xeon L5420, on the other hand, has 90% lower power consumption.

The Xeon X5675 is our recommended choice as it beats the Xeon L5420 in performance tests.


Should you still have questions on choice between Xeon X5675 and Xeon L5420, ask them in Comments section, and we shall answer.

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Intel Xeon X5675
Xeon X5675
Intel Xeon L5420
Xeon L5420

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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

Here you can ask a question about Xeon X5675 or Xeon L5420, agree or disagree with our judgements, or report an error or mismatch.