Ryzen Threadripper PRO 3975WX vs Xeon E7-2820

Primary details

Comparing Xeon E7-2820 and Ryzen Threadripper PRO 3975WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated67
Place by popularitynot in top-100not in top-100
Market segmentServerServer
SeriesIntel Xeon E7AMD Ryzen Threadripper
Power efficiencyno data13.32
Architecture codenameWestmere (2010−2011)Matisse (2019−2020)
Release date5 April 2011 (13 years ago)14 July 2020 (4 years ago)
Launch price (MSRP)$1,334no data

Detailed specifications

Xeon E7-2820 and Ryzen Threadripper PRO 3975WX 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)32 (Dotriaconta-Core)
Threads1664
Base clock speed2 GHz3.5 GHz
Boost clock speed2.27 GHz4.2 GHz
Bus typeQPIno data
Bus rate5.86 GT/sno data
Multiplier1535
L1 cache512 KB64K (per core)
L2 cache2 MB512K (per core)
L3 cache18 MB128 MB
Chip lithography32 nm7 nm, 12 nm
Die size513 mm274 mm2
Maximum core temperature64 °C95 °C
Maximum case temperature (TCase)no data95 °C
Number of transistors2600 Million3,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Xeon E7-2820 and Ryzen Threadripper PRO 3975WX 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 configuration2 (Multiprocessor)1
SocketLGA1567sWRX8
Power consumption (TDP)105 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-2820 and Ryzen Threadripper PRO 3975WX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Thermal Monitoring+-
Precision Boost 2no data+

Security technologies

Xeon E7-2820 and Ryzen Threadripper PRO 3975WX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-2820 and Ryzen Threadripper PRO 3975WX are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-2820 and Ryzen Threadripper PRO 3975WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066DDR4-3200
Maximum memory size1 TB2 TiB
Max memory channels4no data
Maximum memory bandwidth34.113 GB/s204.8 GB/s
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E7-2820 and Ryzen Threadripper PRO 3975WX.

PCIe versionno data4.0
PCI Express lanesno data128

Pros & cons summary


Recency 5 April 2011 14 July 2020
Physical cores 8 32
Threads 16 64
Chip lithography 32 nm 7 nm
Power consumption (TDP) 105 Watt 280 Watt

Xeon E7-2820 has 166.7% lower power consumption.

Ryzen Threadripper PRO 3975WX, on the other hand, has an age advantage of 9 years, 300% more physical cores and 300% more threads, and a 357.1% more advanced lithography process.

We couldn't decide between Xeon E7-2820 and Ryzen Threadripper PRO 3975WX. We've got no test results to judge.


Should you still have questions on choice between Xeon E7-2820 and Ryzen Threadripper PRO 3975WX, ask them in Comments section, and we shall answer.

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Intel Xeon E7-2820
Xeon E7-2820
AMD Ryzen Threadripper PRO 3975WX
Ryzen Threadripper PRO 3975WX

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