EPYC 7773X vs EPYC 7662

VS

Aggregate performance score

EPYC 7662
2020
64 cores / 128 threads, 225 Watt
45.51
EPYC 7773X
2022
64 cores / 128 threads, 280 Watt
57.60
+26.6%

EPYC 7773X outperforms EPYC 7662 by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7662 and EPYC 7773X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4321
Place by popularitynot in top-100not in top-100
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency19.1319.46
Architecture codenameZen 2 (2017−2020)Milan-X (2022)
Release date19 February 2020 (4 years ago)22 March 2022 (2 years ago)

Detailed specifications

EPYC 7662 and EPYC 7773X 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 GHz2.2 GHz
Boost clock speed3.3 GHz3.5 GHz
Multiplier20no data
L1 cache4 MB64K (per core)
L2 cache32 MB512K (per core)
L3 cache256 MB768 MB (shared)
Chip lithography7 nm, 14 nm7 nm
Die sizeno data8x 81 mm2
Number of transistorsno data33,200 million
64 bit support+-
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7662 and EPYC 7773X 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 configurationno data2
SocketSocket SP3SP3
Power consumption (TDP)225 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and EPYC 7773X. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7662 and EPYC 7773X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and EPYC 7773X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4-3200
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by EPYC 7662 and EPYC 7773X.

PCIe versionno data4.0
PCI Express lanesno data128

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.

EPYC 7662 45.51
EPYC 7773X 57.60
+26.6%

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.

EPYC 7662 72298
EPYC 7773X 91491
+26.5%

Gaming performance

Pros & cons summary


Performance score 45.51 57.60
Recency 19 February 2020 22 March 2022
Power consumption (TDP) 225 Watt 280 Watt

EPYC 7662 has 24.4% lower power consumption.

EPYC 7773X, on the other hand, has a 26.6% higher aggregate performance score, and an age advantage of 2 years.

The EPYC 7773X is our recommended choice as it beats the EPYC 7662 in performance tests.


Should you still have questions on choice between EPYC 7662 and EPYC 7773X, ask them in Comments section, and we shall answer.

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AMD EPYC 7662
EPYC 7662
AMD EPYC 7773X
EPYC 7773X

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.8 10 votes

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3.3 23 votes

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Questions & comments

Here you can ask a question about EPYC 7662 or EPYC 7773X, agree or disagree with our judgements, or report an error or mismatch.