AMD EPYC 3151 vs AMD EPYC 7281

Comparative analysis of AMD EPYC 3151 and AMD EPYC 7281 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 7281

Differences

Reasons to consider the AMD EPYC 3151

CPU is newer: launch date 8 month(s) later
Around 7% higher clock speed: 2.9 GHz vs 2.7 GHz
3.8x lower typical power consumption: 45 Watt vs 155/170 Watt
Around 15% better performance in PassMark - Single thread mark: 1873 vs 1626

Specifications (specs)
Launch date	21 Feb 2018 vs June 2017
Maximum frequency	2.9 GHz vs 2.7 GHz
Thermal Design Power (TDP)	45 Watt vs 155/170 Watt
Benchmarks
PassMark - Single thread mark	1873 vs 1626

Reasons to consider the AMD EPYC 7281

Processor is unlocked, an unlocked multiplier allows for easier overclocking
12 more cores, run more applications at once: 16 vs 4
24 more threads: 32 vs 8
4x more L1 cache, more data can be stored in the L1 cache for quick access later
4x 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
2.6x better performance in PassMark - CPU mark: 21621 vs 8306

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	16 vs 4
Number of threads	32 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	21621 vs 8306

Compare benchmarks

CPU 1: AMD EPYC 3151
CPU 2: AMD EPYC 7281

PassMark - Single thread mark

CPU 1

CPU 2

1873

1626

PassMark - CPU mark

CPU 1

CPU 2

8306

21621

Name	AMD EPYC 3151	AMD EPYC 7281
PassMark - Single thread mark	1873	1626
PassMark - CPU mark	8306	21621

Compare specifications (specs)

	AMD EPYC 3151	AMD EPYC 7281
Essentials
Architecture codename	Zen	Zen
Launch date	21 Feb 2018	June 2017
Place in performance rating	1287	1235
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	2.7 GHz
Number of cores	4	16
Number of threads	8	32
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		307/341 GB/s
Supported memory frequency		2400/2666 MHz
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AMD BGA SP4r2	TR4
Thermal Design Power (TDP)	45 Watt	155/170 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 3, 32 Lanes, (CPU only)
PCI Express revision		x128
Virtualization
AMD Virtualization (AMD-V™)