Xeon E5-2676 V3 vs Ryzen 9 3900X

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Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 105 Watt
20.53
+140%
Xeon E5-2676 V3
2015
12 cores / 24 threads, 120 Watt
8.56

Ryzen 9 3900X outperforms Xeon E5-2676 V3 by a whopping 140% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Xeon E5-2676 V3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking275892
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation21.73no data
Market segmentDesktop processorServer
SeriesAMD Ryzen 9no data
Power efficiency15.546.75
Architecture codenameMatisse (Zen 2) (2019−2020)Haswell-EP (2014−2015)
Release date7 July 2019 (5 years ago)June 2015 (9 years ago)
Launch price (MSRP)$499no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900X and Xeon E5-2676 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 cores12 (Dodeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed3.8 GHz2.4 GHz
Boost clock speed4.6 GHz3 GHz
L1 cache768 KB64K (per core)
L2 cache6 MB256K (per core)
L3 cache64 MB30 MB (shared)
Chip lithography7 nm, 12 nm22 nm
Die sizeno data356 mm2
Maximum core temperature95 °Cno data
Number of transistors19,200 million2,600 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900X and Xeon E5-2676 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
SocketAM42011-3
Power consumption (TDP)105 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Xeon E5-2676 V3. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

Ryzen 9 3900X and Xeon E5-2676 V3 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Xeon E5-2676 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 9 3900X and Xeon E5-2676 V3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR3, DDR4 2133 MHz Quad-channel
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and Xeon E5-2676 V3.

PCIe versionno data3.0
PCI Express lanesno data40

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 9 3900X 20.53
+140%
Xeon E5-2676 V3 8.56

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 9 3900X 32613
+140%
Xeon E5-2676 V3 13595

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.

Ryzen 9 3900X 1710
+172%
Xeon E5-2676 V3 629

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.

Ryzen 9 3900X 9939
+331%
Xeon E5-2676 V3 2308

Gaming performance

Pros & cons summary


Performance score 20.53 8.56
Chip lithography 7 nm 22 nm
Power consumption (TDP) 105 Watt 120 Watt

Ryzen 9 3900X has a 139.8% higher aggregate performance score, a 214.3% more advanced lithography process, and 14.3% lower power consumption.

The Ryzen 9 3900X is our recommended choice as it beats the Xeon E5-2676 V3 in performance tests.

Note that Ryzen 9 3900X is a desktop processor while Xeon E5-2676 V3 is a server/workstation one.


Should you still have questions on choice between Ryzen 9 3900X and Xeon E5-2676 V3, 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.


AMD Ryzen 9 3900X
Ryzen 9 3900X
Intel Xeon E5-2676 V3
Xeon E5-2676 V3

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Community ratings

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Questions & comments

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