Xeon Gold 6338 vs Opteron 6348

Place in performance ranking	1183	232
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Abu Dhabi (2012)	no data
Release date	5 November 2012 (11 years ago)	1 April 2021 (3 years ago)

Detailed specifications

Opteron 6348 and Xeon Gold 6338 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	12 (Dodeca-Core)	32 (Dotriaconta-Core)
Threads	12	64
Base clock speed	2.8 GHz	no data
Boost clock speed	3.4 GHz	no data
L1 cache	576 KB	no data
L2 cache	12 MB	no data
L3 cache	8 MB (per die)	no data
Chip lithography	32 nm	no data
Die size	315 mm²	no data
Maximum core temperature	no data	81 °C
Number of transistors	2,400 million	no data
64 bit support	+	-
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Opteron 6348 and Xeon Gold 6338 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	4	no data
Socket	G34	no data
Power consumption (TDP)	115 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 6348 and Xeon Gold 6338. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6348 and Xeon Gold 6338 are enumerated here.

AMD-V

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 6348 and Xeon Gold 6338. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Opteron 6348 and Xeon Gold 6338.

PCIe version	2.0	no data
PCI Express lanes	no data	64

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 6348 5.08

Xeon Gold 6338 21.86
+330%

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 6348 7850

Xeon Gold 6338 33814
+331%

Gaming performance

Pros & cons summary

Performance score	5.08	21.86
Recency	5 November 2012	1 April 2021
Physical cores	12	32
Threads	12	64
Power consumption (TDP)	115 Watt	205 Watt

Opteron 6348 has 78.3% lower power consumption.

Xeon Gold 6338, on the other hand, has a 330.3% higher aggregate performance score, an age advantage of 8 years, and 166.7% more physical cores and 433.3% more threads.

The Xeon Gold 6338 is our recommended choice as it beats the Opteron 6348 in performance tests.

Should you still have questions on choice between Opteron 6348 and Xeon Gold 6338, ask them in Comments section, and we shall answer.