Xeon E3-1245 v2 vs Ryzen 9 3900

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Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.34
+386%
Xeon E3-1245 v2
2012
4 cores / 8 threads, 77 Watt
3.98

Ryzen 9 3900 outperforms Xeon E3-1245 v2 by a whopping 386% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Xeon E3-1245 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3001432
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation20.751.39
Market segmentDesktop processorServer
SeriesAMD Matisse (Ryzen 3000 Desktop)no data
Power efficiency28.164.89
Architecture codenameMatisse (Zen 2) (2019−2020)Ivy Bridge (2012−2013)
Release date24 September 2019 (5 years ago)14 May 2012 (12 years ago)
Launch price (MSRP)$499$462

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900 has 1393% better value for money than Xeon E3-1245 v2.

Detailed specifications

Ryzen 9 3900 and Xeon E3-1245 v2 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)4 (Quad-Core)
Threads248
Base clock speed3.1 GHz3.4 GHz
Boost clock speed4.3 GHz3.8 GHz
Bus rateno data5 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache64 MB8 MB (shared)
Chip lithography7 nm, 12 nm22 nm
Die size2x 74 mm2160 mm2
Number of transistors7,600 million1,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900 and Xeon E3-1245 v2 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
SocketAM4FCLGA1155
Power consumption (TDP)65 Watt77 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Xeon E3-1245 v2. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data+
FDIno data+
Fast Memory Accessno data+
Precision Boost 2+no data

Security technologies

Ryzen 9 3900 and Xeon E3-1245 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Identity Protection-+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Xeon E3-1245 v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Xeon E3-1245 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR3
Maximum memory size128 GB32.77 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s25.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD P4000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.25 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900 and Xeon E3-1245 v2 integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Xeon E3-1245 v2.

PCIe version4.03.0
PCI Express lanes24no 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.

Ryzen 9 3900 19.34
+386%
Xeon E3-1245 v2 3.98

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 3900 30722
+386%
Xeon E3-1245 v2 6319

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 3900 1678
+154%
Xeon E3-1245 v2 661

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 3900 9543
+320%
Xeon E3-1245 v2 2271

Gaming performance

Pros & cons summary


Performance score 19.34 3.98
Recency 24 September 2019 14 May 2012
Physical cores 12 4
Threads 24 8
Chip lithography 7 nm 22 nm
Power consumption (TDP) 65 Watt 77 Watt

Ryzen 9 3900 has a 385.9% higher aggregate performance score, an age advantage of 7 years, 200% more physical cores and 200% more threads, a 214.3% more advanced lithography process, and 18.5% lower power consumption.

The Ryzen 9 3900 is our recommended choice as it beats the Xeon E3-1245 v2 in performance tests.

Note that Ryzen 9 3900 is a desktop processor while Xeon E3-1245 v2 is a server/workstation one.


Should you still have questions on choice between Ryzen 9 3900 and Xeon E3-1245 v2, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 9 3900
Ryzen 9 3900
Intel Xeon E3-1245 v2
Xeon E3-1245 v2

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Community ratings

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Questions & comments

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