Family illustration.
Family illustration.
What's the best choice Intel Xeon 6556P-B or Intel Xeon 6745P? Which processor is faster?
Compare the available specifications of these models.
Intel Xeon 6556P-B has a base frequency of 2.3 GHz. 36 / 72 CPU Cores / Threads. Stated TDP / base power 215 W. Released in Q1/2025.
Intel Xeon 6745P has a base frequency of 3.1 GHz. 32 / 64 CPU Cores / Threads. Stated TDP / base power 300 W. Released in Q1/2025.
Reasons to consider More number of cores
4 more cores
32
Lower stated TDP / base power
Power limits alone do not measure performance per watt.
300 W
Reasons to consider Higher clock speed
Around 35% better clock speed
2.3 GHz
Higher turbo clock speed
Around 23 % higher specified turbo frequency
3.5 GHz
Intel Xeon 6556P-B
Background information about the processors being compared, series, generation and market segment.
Intel Xeon 6 processors
6745P
Server
Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.
3.1 GHz
32
64
4.3 GHz
-
Types, channel quantity of RAM supported by Intel Xeon 6745P and Intel Xeon 6556P-B. Depending on the motherboards, higher or lower memory frequencies may be supported.
Yes
4 TB
8
DDR5(6400MT/s)
88
5.0
Compare the TDP requirements of TDP Intel Xeon 6556P-B and Intel Xeon 6745P Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.
300 W (Manufacturer TDP)
Architecture, interfaces, additional instructions supported by Intel Xeon 6556P-B and Intel Xeon 6745P, virtual machine technologies and process technology.
336 MB
Products formerly Granite Rapids
Launched
Q1/2025
FCLGA4710
Intel 3 (Manufacturer process designation)
-
No comparable benchmark results are available yet. Specifications alone do not determine which model is faster.
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