EPYC 7742 vs Xeon Gold 6142

VS

Aggregate performance score

Xeon Gold 6142
2017
16 cores / 32 threads, 150 Watt
15.87
EPYC 7742
2019
64 cores / 128 threads, 225 Watt
44.07
+178%

EPYC 7742 outperforms Xeon Gold 6142 by a whopping 178% based on our aggregate benchmark results.

Primary details

Comparing Xeon Gold 6142 and EPYC 7742 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking42745
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.233.55
Market segmentServerServer
SeriesIntel Xeon GoldAMD EPYC
Power efficiency10.0118.54
Architecture codenameSkylake (server) (2017−2018)Zen 2 (2017−2020)
Release date25 April 2017 (7 years ago)7 August 2019 (5 years ago)
Launch price (MSRP)$2,946$6,950

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6142 has 19% better value for money than EPYC 7742.

Detailed specifications

Xeon Gold 6142 and EPYC 7742 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 cores16 (Hexadeca-Core)64 (Tetrahexaconta-Core)
Threads32128
Base clock speed2.6 GHz2.25 GHz
Boost clock speed3.7 GHz3.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier2622.5
L1 cache1 MB96K (per core)
L2 cache16 MB512K (per core)
L3 cache22 MB256 MB (shared)
Chip lithography14 nm7 nm, 14 nm
Die sizeno data192 mm2
Maximum core temperature85 °Cno data
Number of transistorsno data4,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Xeon Gold 6142 and EPYC 7742 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 configuration4 (Multiprocessor)2 (Multiprocessor)
SocketFCLGA3647TR4
Power consumption (TDP)150 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6142 and EPYC 7742. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+

Security technologies

Xeon Gold 6142 and EPYC 7742 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6142 and EPYC 7742 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 Xeon Gold 6142 and EPYC 7742. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4 Eight-channel
Maximum memory size768 GB4 TiB
Max memory channels68
Maximum memory bandwidth128.001 GB/s204.763 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6142 and EPYC 7742.

PCIe version3.0no data
PCI Express lanes48no data

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.

Xeon Gold 6142 15.87
EPYC 7742 44.07
+178%

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.

Xeon Gold 6142 25215
EPYC 7742 70007
+178%

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.

Xeon Gold 6142 1136
EPYC 7742 1263
+11.2%

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.

Xeon Gold 6142 8703
EPYC 7742 12501
+43.6%

Gaming performance

Pros & cons summary


Performance score 15.87 44.07
Recency 25 April 2017 7 August 2019
Physical cores 16 64
Threads 32 128
Chip lithography 14 nm 7 nm
Power consumption (TDP) 150 Watt 225 Watt

Xeon Gold 6142 has 50% lower power consumption.

EPYC 7742, on the other hand, has a 177.7% higher aggregate performance score, an age advantage of 2 years, 300% more physical cores and 300% more threads, and a 100% more advanced lithography process.

The EPYC 7742 is our recommended choice as it beats the Xeon Gold 6142 in performance tests.


Should you still have questions on choice between Xeon Gold 6142 and EPYC 7742, ask them in Comments section, and we shall answer.

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Intel Xeon Gold 6142
Xeon Gold 6142
AMD EPYC 7742
EPYC 7742

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Community ratings

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Questions & comments

Here you can ask a question about Xeon Gold 6142 or EPYC 7742, agree or disagree with our judgements, or report an error or mismatch.