Atom Z3740 vs Xeon W3540

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Primary details

Comparing Xeon W3540 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1935not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.18no data
Market segmentServerLaptop
Power efficiency1.42no data
Architecture codenameBloomfield (2008−2010)Bay Trail-T (2013−2014)
Release date30 March 2009 (15 years ago)27 September 2013 (11 years ago)
Launch price (MSRP)$699$32

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon W3540 and Atom Z3740 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)
Threads84
Base clock speed2.93 GHz1.33 GHz
Boost clock speed3.2 GHz1.86 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache8 MB (shared)0 KB
Chip lithography45 nm22 nm
Die size263 mm2no data
Maximum core temperature68 °C90 °C
Number of transistors731 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon W3540 and Atom Z3740 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
SocketFCLGA1366UTFCBGA1380
Power consumption (TDP)130 Watt2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3540 and Atom Z3740. 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 Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching+no data
PAE36 Bitno data

Security technologies

Xeon W3540 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Keyno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3540 and Atom Z3740 are enumerated here.

VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3540 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size24 GB4 GB
Max memory channels32
Maximum memory bandwidth25.6 GB/s17.1 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data667 MHz

Peripherals

Specifications and connection of peripherals supported by Xeon W3540 and Atom Z3740.

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.



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 W3540 3109
+401%
Atom Z3740 621

Pros & cons summary


Recency 30 March 2009 27 September 2013
Threads 8 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 130 Watt 2 Watt

Xeon W3540 has 100% more threads.

Atom Z3740, on the other hand, has an age advantage of 4 years, a 104.5% more advanced lithography process, and 6400% lower power consumption.

We couldn't decide between Xeon W3540 and Atom Z3740. We've got no test results to judge.

Be aware that Xeon W3540 is a server/workstation processor while Atom Z3740 is a notebook one.


Should you still have questions on choice between Xeon W3540 and Atom Z3740, ask them in Comments section, and we shall answer.

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Intel Xeon W3540
Xeon W3540
Intel Atom Z3740
Atom Z3740

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Community ratings

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


3.7 3 votes

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3.2 41 vote

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Questions & comments

Here you can ask a question about Xeon W3540 or Atom Z3740, agree or disagree with our judgements, or report an error or mismatch.