EPYC 9654 vs EPYC 7662

VS

Aggregate performance score

EPYC 7662
2020
64 cores / 128 threads, 225 Watt
45.51
EPYC 9654
2022
96 cores / 192 threads, 360 Watt
75.70
+66.3%

EPYC 9654 outperforms EPYC 7662 by an impressive 66% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7662 and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking436
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.36
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency19.1419.90
Architecture codenameZen 2 (2017−2020)Genoa (2022−2023)
Release date19 February 2020 (4 years ago)10 November 2022 (2 years ago)
Launch price (MSRP)no data$11,805

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7662 and EPYC 9654 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)96
Threads128192
Base clock speed2 GHz2.4 GHz
Boost clock speed3.3 GHz2.4 GHz
Multiplier2024
L1 cache4 MB6 MB
L2 cache32 MB96 MB
L3 cache256 MB384 MB (shared)
Chip lithography7 nm, 14 nm5 nm, 6 nm
Die sizeno data12x 72 mm2
Number of transistorsno data78,840 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7662 and EPYC 9654 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 SP3SP5
Power consumption (TDP)225 Watt360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7662 and EPYC 9654. 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 9654 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800
Maximum memory size4 TiB6 TiB
Max memory channels8no data
Maximum memory bandwidth204.763 GB/s460.8 GB/s
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by EPYC 7662 and EPYC 9654.

PCIe versionno data5.0
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 9654 75.70
+66.3%

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 9654 120246
+66.3%

Gaming performance

Pros & cons summary


Performance score 45.51 75.70
Recency 19 February 2020 10 November 2022
Physical cores 64 96
Threads 128 192
Chip lithography 7 nm 5 nm
Power consumption (TDP) 225 Watt 360 Watt

EPYC 7662 has 60% lower power consumption.

EPYC 9654, on the other hand, has a 66.3% higher aggregate performance score, an age advantage of 2 years, 50% more physical cores and 50% more threads, and a 40% more advanced lithography process.

The EPYC 9654 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 9654, ask them in Comments section, and we shall answer.

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AMD EPYC 7662
EPYC 7662
AMD EPYC 9654
EPYC 9654

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Community ratings

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Questions & comments

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