Xeon 6776P vs Ryzen Threadripper 3990X

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Primary details

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

Place in the ranking46not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation9.93no data
Market segmentDesktop processorServer
SeriesAMD Ryzen Threadripperno data
Power efficiency17.12no data
DesignerAMDIntel
ManufacturerTSMCno data
Architecture codenameMatisse (2019−2020)no data
Release date7 February 2020 (5 years ago)1 April 2025 (less than a year ago)
Launch price (MSRP)$3,999no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Ryzen Threadripper 3990X and Xeon 6776P 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 cores64 (Tetrahexaconta-Core)64 (Tetrahexaconta-Core)
Threads128128
Base clock speed2.9 GHz2.3 GHz
Boost clock speed4.3 GHz3.9 GHz
Multiplier29no data
L1 cache96K (per core)no data
L2 cache512K (per core)no data
L3 cache256 MB336 MB
Chip lithography7 nm, 12 nmno data
Die size74 mm2no data
Maximum core temperatureno data81 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 millionno data
64 bit support+-
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper 3990X and Xeon 6776P 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 configuration1no data
SocketTR4FCLGA4710
Power consumption (TDP)280 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and Xeon 6776P. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX+-
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen Threadripper 3990X and Xeon 6776P technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and Xeon 6776P 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 Threadripper 3990X and Xeon 6776P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5(6400MT/s)MRDIMM(8000MT/s)
Maximum memory size256 GB4 TB
Max memory channels48
Maximum memory bandwidth102.403 GB/sno data
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and Xeon 6776P.

PCIe version4.05.0
PCI Express lanesno data88

Pros & cons summary


Recency 7 February 2020 1 April 2025
Power consumption (TDP) 280 Watt 350 Watt

Ryzen Threadripper 3990X has 25% lower power consumption.

Xeon 6776P, on the other hand, has an age advantage of 5 years.

We couldn't decide between AMD Ryzen Threadripper 3990X and Intel Xeon 6776P. We've got no test results to judge.

Note that Ryzen Threadripper 3990X is a desktop processor while Xeon 6776P is a server/workstation one.

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AMD Ryzen Threadripper 3990X
Ryzen Threadripper 3990X
Intel Xeon 6776P
Xeon 6776P

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