Xeon E5645 vs W-2133

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Aggregate performance score

Xeon W-2133
2017
6 cores / 12 threads, 140 Watt
7.97
+151%
Xeon E5645
2010
6 cores / 12 threads, 80 Watt
3.18

Xeon W-2133 outperforms Xeon E5645 by a whopping 151% based on our aggregate benchmark results.

Primary details

Comparing Xeon W-2133 and Xeon E5645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9451618
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.291.38
Market segmentServerServer
SeriesIntel Xeon Wno data
Power efficiency5.393.76
Architecture codenameSkylake (server) (2017−2018)Westmere-EP (2010−2011)
Release date29 August 2017 (7 years ago)16 March 2010 (14 years ago)
Launch price (MSRP)$617$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2133 has 428% better value for money than Xeon E5645.

Detailed specifications

Xeon W-2133 and Xeon E5645 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)6 (Hexa-Core)
Threads1212
Base clock speed3.6 GHz2.4 GHz
Boost clock speed3.9 GHz2.67 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier36no data
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)256 KB (per core)
L3 cache8.25 MB (shared)12 MB (shared)
Chip lithography14 nm32 nm
Die size484 mm2239 mm2
Maximum core temperatureno data76 °C
Maximum case temperature (TCase)65 °Cno data
Number of transistorsno data1,170 million
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Xeon W-2133 and Xeon E5645 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 configuration1 (Uniprocessor)2
SocketFCLGA2066FCLGA1366,LGA1366
Power consumption (TDP)140 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2133 and Xeon E5645. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512Intel® SSE4.2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.01.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching++
PAE46 Bit40 Bit
Turbo Boost Max 3.0-no data

Security technologies

Xeon W-2133 and Xeon E5645 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2133 and Xeon E5645 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2133 and Xeon E5645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666DDR3
Maximum memory size512 GB288 GB
Max memory channels43
Maximum memory bandwidth85.33 GB/s32 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon W-2133 and Xeon E5645.

PCIe version3.02.0
PCI Express lanes48no 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 W-2133 7.97
+151%
Xeon E5645 3.18

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 W-2133 12657
+151%
Xeon E5645 5048

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 W-2133 1242
+234%
Xeon E5645 372

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 W-2133 5816
+216%
Xeon E5645 1842

Gaming performance

Pros & cons summary


Performance score 7.97 3.18
Recency 29 August 2017 16 March 2010
Chip lithography 14 nm 32 nm
Power consumption (TDP) 140 Watt 80 Watt

Xeon W-2133 has a 150.6% higher aggregate performance score, an age advantage of 7 years, and a 128.6% more advanced lithography process.

Xeon E5645, on the other hand, has 75% lower power consumption.

The Xeon W-2133 is our recommended choice as it beats the Xeon E5645 in performance tests.


Should you still have questions on choice between Xeon W-2133 and Xeon E5645, ask them in Comments section, and we shall answer.

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Intel Xeon W-2133
Xeon W-2133
Intel Xeon E5645
Xeon E5645

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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 W-2133 or Xeon E5645, agree or disagree with our judgements, or report an error or mismatch.