EPYC 9355 vs i5-11400T

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Primary details

Comparing Core i5-11400T and EPYC 9355 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking868not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation26.11no data
Market segmentDesktop processorServer
Power efficiency23.21no data
Architecture codenameRocket Lake (2021)Turin (2024)
Release date16 March 2021 (3 years ago)10 October 2024 (recently)
Launch price (MSRP)$182$3,694

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-11400T and EPYC 9355 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 cores6 (Hexa-Core)32 (Dotriaconta-Core)
Threads1264
Base clock speed1.3 GHz3.55 GHz
Boost clock speed3.7 GHz4.4 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache12 MB (shared)256 MB (shared)
Chip lithography14 nm4 nm
Die size276 mm28x 70.6 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data66,520 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i5-11400T and EPYC 9355 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 configuration12
SocketFCLGA1200SP5
Power consumption (TDP)35 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400T and EPYC 9355. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i5-11400T and EPYC 9355 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11400T and EPYC 9355 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 Core i5-11400T and EPYC 9355. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 730N/A
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
Execution Units24no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-11400T and EPYC 9355 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-11400T and EPYC 9355 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i5-11400T and EPYC 9355 integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-11400T and EPYC 9355.

PCIe version4.05.0
PCI Express lanes20128

Pros & cons summary


Recency 16 March 2021 10 October 2024
Physical cores 6 32
Threads 12 64
Chip lithography 14 nm 4 nm
Power consumption (TDP) 35 Watt 280 Watt

i5-11400T has 700% lower power consumption.

EPYC 9355, on the other hand, has an age advantage of 3 years, 433.3% more physical cores and 433.3% more threads, and a 250% more advanced lithography process.

We couldn't decide between Core i5-11400T and EPYC 9355. We've got no test results to judge.

Note that Core i5-11400T is a desktop processor while EPYC 9355 is a server/workstation one.


Should you still have questions on choice between Core i5-11400T and EPYC 9355, ask them in Comments section, and we shall answer.

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Intel Core i5-11400T
Core i5-11400T
AMD EPYC 9355
EPYC 9355

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