Xeon E5420 vs Phenom II X4 850

VS

Aggregate performance score

Phenom II X4 850
2011
4 cores / 4 threads, 95 Watt
1.57
+18.9%

Phenom II X4 850 outperforms Xeon E5420 by a moderate 19% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 850 and Xeon E5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21312278
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.18no data
Market segmentDesktop processorServer
Power efficiency1.511.50
Architecture codenamePropus (2009−2011)no data
Release date1 June 2011 (13 years ago)1 October 2007 (17 years ago)
Launch price (MSRP)$111no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 850 and Xeon E5420 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)no data
Threads4no data
Base clock speed3.3 GHz2.5 GHz
Boost clock speed3.3 GHzno data
L1 cache128 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache0 KB12 MB L2 Cache
Chip lithography45 nm45 nm
Die size169 mm2no data
Maximum core temperatureno data67 °C
Number of transistors300 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Phenom II X4 850 and Xeon E5420 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 configuration1no data
SocketAM3LGA771
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 850 and Xeon E5420. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data+
FSB parityno data+

Security technologies

Phenom II X4 850 and Xeon E5420 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 850 and Xeon E5420 are enumerated here.

VT-xno data+
EPTno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 850 and Xeon E5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 850 and Xeon E5420.

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.

Phenom II X4 850 1.57
+18.9%
Xeon E5420 1.32

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.

Phenom II X4 850 2400
+18.7%
Xeon E5420 2022

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.

Phenom II X4 850 404
+9.8%
Xeon E5420 368

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.

Phenom II X4 850 1375
+14.9%
Xeon E5420 1197

Gaming performance

Pros & cons summary


Performance score 1.57 1.32
Recency 1 June 2011 1 October 2007
Power consumption (TDP) 95 Watt 80 Watt

Phenom II X4 850 has a 18.9% higher aggregate performance score, and an age advantage of 3 years.

Xeon E5420, on the other hand, has 18.8% lower power consumption.

The Phenom II X4 850 is our recommended choice as it beats the Xeon E5420 in performance tests.

Note that Phenom II X4 850 is a desktop processor while Xeon E5420 is a server/workstation one.


Should you still have questions on choice between Phenom II X4 850 and Xeon E5420, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 850
Phenom II X4 850
Intel Xeon E5420
Xeon E5420

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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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