AMD EPYC 7H12 vs Athlon X4 840

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Combined performance score

Athlon X4 840
2.16

EPYC 7H12 outperforms Athlon X4 840 by 1999% in our combined benchmark results.

General info

Comparing Athlon X4 840 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking173339
Place by popularitynot in top-100not in top-100
Value for money7.385.01
Market segmentDesktop processorServer
Series4x AthlonAMD EPYC
Architecture codenameKaveri (2014−2015)Zen 2 (2019−2020)
Release dateAugust 2014 (9 years old)18 September 2019 (4 years old)
Current price$45 $6796
Value for money

Performance per price, higher is better.

Athlon X4 840 has 47% better value for money than EPYC 7H12.

Technical specs

Athlon X4 840 and EPYC 7H12 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 cores4 (Quad-Core)64 (Tetrahexaconta-Core)
Threads4128
Base clock speed3.1 GHz2.6 GHz
Boost clock speed3.8 GHz3.3 GHz
L1 cache256K96K (per core)
L2 cache4 MB512K (per core)
L3 cacheno data256 MB (shared)
Chip lithography28 nm7 nm, 14 nm
Die size245 mm2192 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million4,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierYesYes

Compatibility

Information on Athlon X4 840 and EPYC 7H12 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 (Multiprocessor)
SocketSocket FM2+TR4
Power consumption (TDP)65 watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and EPYC 7H12. You'll probably need this information if you require some particular technology.

AES-NI++
FMA+no data
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and EPYC 7H12 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4 Eight-channel
Maximum memory sizeno data4 TiB
Max memory channelsno data8
Maximum memory bandwidthno data204.763 GB/s
ECC memory supportno data+

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and EPYC 7H12.

PCIe version3.0no data
PCI Express lanes16no 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.

Athlon X4 840 2.16
EPYC 7H12 45.34
+1999%

EPYC 7H12 outperforms Athlon X4 840 by 1999% in our combined benchmark results.


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.

Benchmark coverage: 68%

Athlon X4 840 3319
EPYC 7H12 69633
+1998%

EPYC 7H12 outperforms Athlon X4 840 by 1998% in Passmark.

Gaming performance

Advantages and disadvantages


Performance score 2.16 45.34
Recency on August 2014 18 September 2019
Physical cores 4 64
Threads 4 128
Chip lithography 28 nm 7 nm
Power consumption (TDP) 65 Watt 280 Watt

The EPYC 7H12 is our recommended choice as it beats the Athlon X4 840 in performance tests.

Be aware that Athlon X4 840 is a desktop processor while EPYC 7H12 is a server/workstation one.


Should you still have questions on choice between Athlon X4 840 and EPYC 7H12, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Athlon X4 840
Athlon X4 840
AMD EPYC 7H12
EPYC 7H12

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User ratings: view and submit

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Questions and comments

Here you can ask a question about Athlon X4 840 or EPYC 7H12, agree or disagree with our judgements, or report an error or mismatch.