EPYC 7643 vs i9-10900T

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Aggregate performance score

Core i9-10900T
2020
10 cores / 20 threads, 35 Watt
9.33
EPYC 7643
2021
48 cores / 96 threads, 225 Watt
47.88
+413%

EPYC 7643 outperforms Core i9-10900T by a whopping 413% based on our aggregate benchmark results.

Primary details

Comparing Core i9-10900T and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking82038
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data6.71
Market segmentDesktop processorServer
Seriesno dataAMD EPYC
Power efficiency25.2320.14
Architecture codenameno dataMilan (2021−2023)
Release date1 April 2020 (4 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)no data$4,995

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-10900T and EPYC 7643 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 cores10 (Deca-Core)48 (Octatetraconta-Core)
Threads2096
Base clock speed1.9 GHz2.3 GHz
Boost clock speed4.6 GHz3.6 GHz
Bus rate8 GT/sno data
Multiplierno data23
L1 cacheno data3 MB
L2 cacheno data24 MB
L3 cache20 MB Intel® Smart Cache256 MB (shared)
Chip lithography14 nm7 nm+
Die sizeno data8x 81 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data33,200 million
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i9-10900T and EPYC 7643 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
SocketFCLGA1200SP3
Power consumption (TDP)35 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10900T and EPYC 7643. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0+no data

Security technologies

Core i9-10900T and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10900T and EPYC 7643 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 i9-10900T and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2933DDR4-3200
Maximum memory size128 GB4 TiB
Max memory channels2no data
Maximum memory bandwidth45.8 GB/s204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630N/A
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-10900T and EPYC 7643 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-10900T and EPYC 7643 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2160@30Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i9-10900T and EPYC 7643 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-10900T and EPYC 7643.

PCIe version3.04.0
PCI Express lanes16128

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.

i9-10900T 9.33
EPYC 7643 47.88
+413%

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.

i9-10900T 14822
EPYC 7643 76050
+413%

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.

i9-10900T 1472
+13.9%
EPYC 7643 1292

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.

i9-10900T 6518
EPYC 7643 12182
+86.9%

Gaming performance

Pros & cons summary


Performance score 9.33 47.88
Recency 1 April 2020 12 January 2021
Physical cores 10 48
Threads 20 96
Chip lithography 14 nm 7 nm
Power consumption (TDP) 35 Watt 225 Watt

i9-10900T has 542.9% lower power consumption.

EPYC 7643, on the other hand, has a 413.2% higher aggregate performance score, an age advantage of 9 months, 380% more physical cores and 380% more threads, and a 100% more advanced lithography process.

The EPYC 7643 is our recommended choice as it beats the Core i9-10900T in performance tests.

Note that Core i9-10900T is a desktop processor while EPYC 7643 is a server/workstation one.


Should you still have questions on choice between Core i9-10900T and EPYC 7643, ask them in Comments section, and we shall answer.

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Intel Core i9-10900T
Core i9-10900T
AMD EPYC 7643
EPYC 7643

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Community ratings

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Questions & comments

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