Xeon W3565 vs E5-1603

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Aggregated performance score

Xeon E5-1603
2012
4 cores / 4 threads
2.26
+2.7%
Xeon W3565
2009
4 cores / 8 threads
2.20

E5-1603 outperforms W3565 by 3% based on our aggregated benchmark results.

General info

Comparing Xeon E5-1603 and Xeon W3565 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking17041731
Place by popularitynot in top-100not in top-100
Value for money0.515.66
Market segmentServerServer
Architecture codenameno dataBloomfield (2008−2010)
Release date1 January 2012 (12 years old)November 2009 (14 years old)
Launch price (MSRP)no data$70
Current price$60 $38 (0.5x MSRP)
Value for money

Performance per price, higher is better.

Xeon W3565 has 1010% better value for money than Xeon E5-1603.

Technical specs

Xeon E5-1603 and Xeon W3565 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)4 (Quad-Core)
Threads48
Base clock speed2.8 GHz3.2 GHz
Boost clock speedno data3.46 GHz
L1 cacheno data64 KB (per core)
L2 cacheno data256 KB (per core)
L3 cache10 MB8 MB (shared)
Chip lithography32 nm45 nm
Die sizeno data263 mm2
Maximum core temperature64 °Cno data
Number of transistorsno data731 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range0.6V - 1.35Vno data

Compatibility

Information on Xeon E5-1603 and Xeon W3565 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
SocketFCLGA2011FCLGA1366
Power consumption (TDP)130 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1603 and Xeon W3565. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.2
AES-NI+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-1.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching++
PAEno data36 Bit
StatusLaunchedDiscontinued

Security technologies

Xeon E5-1603 and Xeon W3565 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1603 and Xeon W3565 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1603 and Xeon W3565. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066DDR3
Maximum memory size375 GB24 GB
Max memory channels43
Maximum memory bandwidth31.4 GB/s25.6 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1603 and Xeon W3565.

PCIe version3.0no data
PCI Express lanes40no 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 E5-1603 2.26
+2.7%
Xeon W3565 2.20

E5-1603 outperforms W3565 by 3% based on our aggregated benchmark results.


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.

Benchmark coverage: 68%

Xeon E5-1603 3458
+2.8%
Xeon W3565 3364

E5-1603 outperforms W3565 by 3% in Passmark.

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.

Benchmark coverage: 42%

Xeon E5-1603 463
Xeon W3565 488
+5.4%

W3565 outperforms E5-1603 by 5% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Xeon E5-1603 1445
Xeon W3565 1681
+16.3%

W3565 outperforms E5-1603 by 16% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 2.26 2.20
Threads 4 8
Chip lithography 32 nm 45 nm

We couldn't decide between Xeon E5-1603 and Xeon W3565. The differences in performance seem too small.


Should you still have questions on choice between Xeon E5-1603 and Xeon W3565, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E5-1603
Xeon E5-1603
Intel Xeon W3565
Xeon W3565

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User Ratings

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


3.4 17 votes

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3.8 75 votes

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Questions and comments

Here you can ask a question about Xeon E5-1603 or Xeon W3565, agree or disagree with our judgements, or report an error or mismatch.