AMD EPYC 3151 vs AMD EPYC 7251

Comparative analysis of AMD EPYC 3151 and AMD EPYC 7251 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 3151

AMD EPYC 7251

Differences

Reasons to consider the AMD EPYC 3151

CPU is newer: launch date 8 month(s) later
2.7x lower typical power consumption: 45 Watt vs 120 Watt
Around 13% better performance in PassMark - Single thread mark: 1883 vs 1671

Specifications (specs)
Launch date	21 Feb 2018 vs June 2017
Thermal Design Power (TDP)	45 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	1883 vs 1671

Reasons to consider the AMD EPYC 7251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 78% better performance in PassMark - CPU mark: 14935 vs 8376

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
L1 cache	96 KB (per core) vs 96K (per core)
L2 cache	512 KB (per core) vs 512K (per core)
L3 cache	32 MB vs 16MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	14935 vs 8376

Compare benchmarks

CPU 1: AMD EPYC 3151
CPU 2: AMD EPYC 7251

PassMark - Single thread mark

CPU 1

CPU 2

1883

1671

PassMark - CPU mark

CPU 1

CPU 2

8376

14935

Name	AMD EPYC 3151	AMD EPYC 7251
PassMark - Single thread mark	1883	1671
PassMark - CPU mark	8376	14935

Compare specifications (specs)

	AMD EPYC 3151	AMD EPYC 7251
Essentials
Architecture codename	Zen	Zen
Launch date	21 Feb 2018	June 2017
Place in performance rating	1266	1272
Family		AMD EPYC
Series		AMD EPYC 7000 Series
Vertical segment		Server
Performance
Base frequency	2.7 GHz	2.1 GHz
Die size	213 mm²	192 mm
L1 cache	96K (per core)	96 KB (per core)
L2 cache	512K (per core)	512 KB (per core)
L3 cache	16MB (shared)	32 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	95°C
Maximum frequency	2.9 GHz	2.9 GHz
Number of cores	4	8
Number of threads	8	16
Unlocked
64 bit support
Transistor count		4800 million
Memory
ECC memory support
Supported memory types	DDR4-2666 MHz, Dual-channel	DDR4
Max memory channels		8
Maximum memory bandwidth		307 GB/s
Supported memory frequency		2400 MHz
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AMD BGA SP4r2	TR4
Thermal Design Power (TDP)	45 Watt	120 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 3, 32 Lanes, (CPU only)
PCI Express revision		x128
Virtualization
AMD Virtualization (AMD-V™)