AMD EPYC 7H12 vs Athlon X2 QL-66

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General info

Comparing Athlon X2 QL-66 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot rated39
Place by popularitynot in top-100not in top-100
Value for moneyno data5.01
Market segmentLaptopServer
Series2x AMD AthlonAMD EPYC
Architecture codenameLion (2008−2009)Zen 2 (2019−2020)
Release date1 September 2009 (14 years old)18 September 2019 (4 years old)
Current price$5.99 $6796
Value for money

Performance per price, higher is better.

no data

Technical specs

Athlon X2 QL-66 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 cores2 (Dual-core)64 (Tetrahexaconta-Core)
Threads2128
Base clock speedno data2.6 GHz
Boost clock speed2.2 GHz3.3 GHz
Bus support3600 MHzno data
L1 cache256 KB96K (per core)
L2 cache1 MB512K (per core)
L3 cacheno data256 MB (shared)
Chip lithography65 nm7 nm, 14 nm
Die sizeno data192 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data4,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierNoYes

Compatibility

Information on Athlon X2 QL-66 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 configurationno data2 (Multiprocessor)
SocketS1g2TR4
Power consumption (TDP)35 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X2 QL-66 and EPYC 7H12. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualizationno data
AES-NIno data+
AVXno data+
PowerNow+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X2 QL-66 and EPYC 7H12 are enumerated here.

AMD-Vno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X2 QL-66 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4 Eight-channel
Maximum memory sizeno data4 TiB
Max memory channelsno data8
Maximum memory bandwidthno data204.763 GB/s
ECC memory supportno 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.


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 X2 QL-66 641
EPYC 7H12 69633
+10763%

EPYC 7H12 outperforms Athlon X2 QL-66 by 10763% in Passmark.

Advantages and disadvantages


Recency 1 September 2009 18 September 2019
Physical cores 2 64
Threads 2 128
Chip lithography 65 nm 7 nm
Power consumption (TDP) 35 Watt 280 Watt

We couldn't decide between Athlon X2 QL-66 and EPYC 7H12. We've got no test results to judge.

Be aware that Athlon X2 QL-66 is a notebook processor while EPYC 7H12 is a server/workstation one.


Should you still have questions on choice between Athlon X2 QL-66 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 X2 QL-66
Athlon X2 QL-66
AMD EPYC 7H12
EPYC 7H12

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4.4 16 votes

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Questions and comments

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