Opteron 4386 vs Opteron 142

Place in the ranking	3143	1904
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	0.30	2.05
Architecture codename	SledgeHammer (2003−2005)	Seoul (2012)
Release date	September 2003 (21 year ago)	4 December 2012 (12 years ago)

Detailed specifications

Opteron 142 and Opteron 4386 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 cores	1 (Single-Core)	8 (Octa-Core)
Threads	1	8
Base clock speed	no data	3.1 GHz
Boost clock speed	1.6 GHz	3.8 GHz
L1 cache	128 KB	384 KB
L2 cache	1 MB	8192 KB
L3 cache	0 KB	8192 KB (shared)
Chip lithography	130 nm	32 nm
Die size	193 mm²	315 mm²
Number of transistors	106 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Opteron 142 and Opteron 4386 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 configuration	1	2
Socket	940	C32
Power consumption (TDP)	85 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 142 and Opteron 4386. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	-	+
AVX	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 142 and Opteron 4386 are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 142 and Opteron 4386. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

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.

Opteron 142 0.27

Opteron 4386 2.06
+663%

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.

Opteron 142 428

Opteron 4386 3273
+665%

Gaming performance

Pros & cons summary

Performance score	0.27	2.06
Physical cores	1	8
Threads	1	8
Chip lithography	130 nm	32 nm
Power consumption (TDP)	85 Watt	95 Watt

Opteron 142 has 11.8% lower power consumption.

Opteron 4386, on the other hand, has a 663% higher aggregate performance score, 700% more physical cores and 700% more threads, and a 306.3% more advanced lithography process.

The Opteron 4386 is our recommended choice as it beats the Opteron 142 in performance tests.

Should you still have questions on choice between Opteron 142 and Opteron 4386, ask them in Comments section, and we shall answer.