Xeon E5-2666 V3 vs Ryzen Threadripper 1900X

VS

Aggregate performance score

Ryzen Threadripper 1900X
2017
8 cores / 16 threads, 180 Watt
10.59
+18.7%
Xeon E5-2666 V3
2014
10 cores / 20 threads, 135 Watt
8.92

Ryzen Threadripper 1900X outperforms Xeon E5-2666 V3 by a moderate 19% based on our aggregate benchmark results.

Primary details

Comparing Ryzen Threadripper 1900X and Xeon E5-2666 V3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking740866
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.00no data
Market segmentDesktop processorServer
SeriesAMD Ryzen Threadripperno data
Power efficiency8.026.25
Architecture codenameZen (2017−2020)Haswell-EP (2014−2015)
Release date30 July 2017 (7 years ago)13 November 2014 (10 years ago)
Launch price (MSRP)$549no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen Threadripper 1900X and Xeon E5-2666 V3 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 cores8 (Octa-Core)10 (Deca-Core)
Threads1620
Base clock speed3.8 GHz2.9 GHz
Boost clock speed3.8 GHz3.5 GHz
Bus rate4 × 8 GT/sno data
Multiplier38no data
L1 cache768 KB64K (per core)
L2 cache4 MB256K (per core)
L3 cache16 MB25 MB (shared)
Chip lithography14 nm22 nm
Die size213 mm2356 mm2
Number of transistors9600 Million2,600 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper 1900X and Xeon E5-2666 V3 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
SocketSP3r22011-3
Power consumption (TDP)180 Watt135 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 1900X and Xeon E5-2666 V3. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Ryzen Threadripper 1900X and Xeon E5-2666 V3 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 1900X and Xeon E5-2666 V3 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1900X and Xeon E5-2666 V3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Quad-channelDDR3, DDR4 2133 MHz Quad-channel
Maximum memory size2 TiBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 1900X and Xeon E5-2666 V3.

PCIe version3.03.0
PCI Express lanes6040

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.

Ryzen Threadripper 1900X 10.59
+18.7%
Xeon E5-2666 V3 8.92

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.

Ryzen Threadripper 1900X 16820
+18.7%
Xeon E5-2666 V3 14167

Gaming performance

Pros & cons summary


Performance score 10.59 8.92
Recency 30 July 2017 13 November 2014
Physical cores 8 10
Threads 16 20
Chip lithography 14 nm 22 nm
Power consumption (TDP) 180 Watt 135 Watt

Ryzen Threadripper 1900X has a 18.7% higher aggregate performance score, an age advantage of 2 years, and a 57.1% more advanced lithography process.

Xeon E5-2666 V3, on the other hand, has 25% more physical cores and 25% more threads, and 33.3% lower power consumption.

The Ryzen Threadripper 1900X is our recommended choice as it beats the Xeon E5-2666 V3 in performance tests.

Note that Ryzen Threadripper 1900X is a desktop processor while Xeon E5-2666 V3 is a server/workstation one.


Should you still have questions on choice between Ryzen Threadripper 1900X and Xeon E5-2666 V3, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper 1900X
Ryzen Threadripper 1900X
Intel Xeon E5-2666 V3
Xeon E5-2666 V3

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Community ratings

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