EPYC 7443 vs EPYC 7742

VS

Aggregate performance score

EPYC 7742
2019
64 cores / 128 threads, 225 Watt
45.52
+23.1%

EPYC 7742 outperforms EPYC 7443 by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7742 and EPYC 7443 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking45101
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.4715.91
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency18.4516.86
Architecture codenameZen 2 (2017−2020)Milan (2021−2023)
Release date7 August 2019 (5 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$6,950$2,010

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7443 has 359% better value for money than EPYC 7742.

Detailed specifications

EPYC 7742 and EPYC 7443 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)24 (Tetracosa-Core)
Threads12848
Base clock speed2.25 GHz2.85 GHz
Boost clock speed3.4 GHz4 GHz
Multiplier22.528.5
L1 cache96K (per core)1536 KB
L2 cache512K (per core)12 MB
L3 cache256 MB (shared)128 MB (shared)
Chip lithography7 nm, 14 nm7 nm+
Die size192 mm24x 81 mm2
Number of transistors4,800 million16,600 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on EPYC 7742 and EPYC 7443 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 configuration2 (Multiprocessor)2
SocketTR4SP3
Power consumption (TDP)225 Watt200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7742 and EPYC 7443. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7742 and EPYC 7443 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7742 and EPYC 7443. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4-3200
Maximum memory size4 TiB4 TiB
Max memory channels8no data
Maximum memory bandwidth204.763 GB/s204.795 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7742 and EPYC 7443.

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 7742 45.52
+23.1%
EPYC 7443 36.98

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 7742 69663
+23.1%
EPYC 7443 56601

Gaming performance

Pros & cons summary


Performance score 45.52 36.98
Recency 7 August 2019 12 January 2021
Physical cores 64 24
Threads 128 48
Power consumption (TDP) 225 Watt 200 Watt

EPYC 7742 has a 23.1% higher aggregate performance score, and 166.7% more physical cores and 166.7% more threads.

EPYC 7443, on the other hand, has an age advantage of 1 year, and 12.5% lower power consumption.

The EPYC 7742 is our recommended choice as it beats the EPYC 7443 in performance tests.


Should you still have questions on choice between EPYC 7742 and EPYC 7443, ask them in Comments section, and we shall answer.

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AMD EPYC 7742
EPYC 7742
AMD EPYC 7443
EPYC 7443

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Community ratings

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Questions & comments

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