Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper 1977X

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated246
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data14.52
Market segmentDesktop processorServer
Seriesno dataAMD Ryzen Threadripper
Power efficiencyno data8.61
DesignerAMDAMD
Manufacturerno dataTSMC
Architecture codenameZen (2017−2020)Castle Peak (2020)
Release dateno data14 July 2020 (4 years ago)
Launch price (MSRP)no data$1,149

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX 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 cores14 (Tetradeca-Core)16 (Hexadeca-Core)
Threadsno data32
Base clock speedno data3.9 GHz
Boost clock speed3.5 GHz4.3 GHz
Multiplierno data39
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache32768 KB64 MB
Chip lithography14 nm7 nm, 12 nm
Die sizeno data2x 74 mm2
Maximum case temperature (TCase)no data95 °C
Number of transistorsno data7,600 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX 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
SocketSP3r2WRX8
Power consumption (TDP)155 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory sizeno data2 TiB
Maximum memory bandwidthno data204.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 1977X and Ryzen Threadripper PRO 3955WX.

PCIe versionno data4.0
PCI Express lanesno data128

Pros & cons summary


Physical cores 14 16
Chip lithography 14 nm 7 nm
Power consumption (TDP) 155 Watt 280 Watt

Ryzen Threadripper 1977X has 80.6% lower power consumption.

Ryzen Threadripper PRO 3955WX, on the other hand, has 14.3% more physical cores, and a 100% more advanced lithography process.

We couldn't decide between AMD Ryzen Threadripper 1977X and AMD Ryzen Threadripper PRO 3955WX. We've got no test results to judge.

Note that Ryzen Threadripper 1977X is a desktop processor while Ryzen Threadripper PRO 3955WX is a server/workstation one.

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AMD Ryzen Threadripper 1977X
Ryzen Threadripper 1977X
AMD Ryzen Threadripper PRO 3955WX
Ryzen Threadripper PRO 3955WX

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