Phenom X4 9650 vs Xeon E5420

Aggregate performance score

Xeon E5420
2007
80 Watt
1.27
+16.5%
Phenom X4 9650
2008
4 cores / 4 threads, 95 Watt
1.09

Xeon E5420 outperforms Phenom X4 9650 by a moderate 17% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5420 and Phenom X4 9650 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22962416
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency1.501.09
Architecture codenameno dataAgena (2007−2008)
Release date1 October 2007 (17 years ago)March 2008 (16 years ago)

Detailed specifications

Xeon E5420 and Phenom X4 9650 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 coresno data4 (Quad-Core)
Threadsno data4
Base clock speed2.5 GHzno data
Boost clock speedno data2.3 GHz
L1 cacheno data128 KB (per core)
L2 cacheno data512 KB (per core)
L3 cache12 MB L2 Cache2 MB (shared)
Chip lithography45 nm65 nm
Die sizeno data285 mm2
Maximum core temperature67 °Cno data
Number of transistorsno data450 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5420 and Phenom X4 9650 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 configurationno data1
SocketLGA771AM2+
Power consumption (TDP)80 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Phenom X4 9650. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching+no data
FSB parity+no data

Security technologies

Xeon E5420 and Phenom X4 9650 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Phenom X4 9650 are enumerated here.

AMD-V-+
VT-x+no data
EPT-no 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 E5420 1.27
+16.5%
Phenom X4 9650 1.09

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 E5420 2022
+16.7%
Phenom X4 9650 1733

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 E5420 368
+54.6%
Phenom X4 9650 238

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 E5420 1197
+57.9%
Phenom X4 9650 758

Gaming performance

Pros & cons summary


Performance score 1.27 1.09
Chip lithography 45 nm 65 nm
Power consumption (TDP) 80 Watt 95 Watt

Xeon E5420 has a 16.5% higher aggregate performance score, a 44.4% more advanced lithography process, and 18.8% lower power consumption.

The Xeon E5420 is our recommended choice as it beats the Phenom X4 9650 in performance tests.

Be aware that Xeon E5420 is a server/workstation processor while Phenom X4 9650 is a desktop one.


Should you still have questions on choice between Xeon E5420 and Phenom X4 9650, ask them in Comments section, and we shall answer.

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Intel Xeon E5420
Xeon E5420
AMD Phenom X4 9650
Phenom X4 9650

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Community ratings

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Questions & comments

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