AMD EPYC 7251 vs AMD Ryzen 7 PRO 1700X

Comparative analysis of AMD EPYC 7251 and AMD Ryzen 7 PRO 1700X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD EPYC 7251

AMD Ryzen 7 PRO 1700X

Differences

Reasons to consider the AMD EPYC 7251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2x more L3 cache, more data can be stored in the L3 cache for quick access later

Unlocked	Unlocked vs Locked
L3 cache	32 MB vs 16 MB
Max number of CPUs in a configuration	2 vs 1

Reasons to consider the AMD Ryzen 7 PRO 1700X

Around 31% higher clock speed: 3.8 GHz vs 2.9 GHz
Around 26% lower typical power consumption: 95 Watt vs 120 Watt
Around 28% better performance in PassMark - Single thread mark: 2131 vs 1671
Around 5% better performance in PassMark - CPU mark: 15612 vs 14935

Specifications (specs)
Maximum frequency	3.8 GHz vs 2.9 GHz
Thermal Design Power (TDP)	95 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	2131 vs 1671
PassMark - CPU mark	15612 vs 14935

Compare benchmarks

CPU 1: AMD EPYC 7251
CPU 2: AMD Ryzen 7 PRO 1700X

PassMark - Single thread mark

CPU 1

CPU 2

1671

2131

PassMark - CPU mark

CPU 1

CPU 2

14935

15612

Name	AMD EPYC 7251	AMD Ryzen 7 PRO 1700X
PassMark - Single thread mark	1671	2131
PassMark - CPU mark	14935	15612
Geekbench 4 - Single Core		915
Geekbench 4 - Multi-Core		6070
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		23.612
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		49.829
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.083
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.446
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		12.987

Compare specifications (specs)

	AMD EPYC 7251	AMD Ryzen 7 PRO 1700X
Essentials
Architecture codename	Zen	Zen
Family	AMD EPYC	AMD Ryzen PRO Processors
Launch date	June 2017	29 June 2017
Place in performance rating	1178	1550
Series	AMD EPYC 7000 Series	AMD Ryzen 7 PRO Desktop Processors
Vertical segment	Server	Desktop
OPN Tray		YD17XBBAM88AE
OS Support		Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit
Performance
64 bit support
Base frequency	2.1 GHz	3.4 GHz
Die size	192 mm	192 mm
L1 cache	96 KB (per core)	96 KB (per core)
L2 cache	512 KB (per core)	4 MB
L3 cache	32 MB	16 MB
Manufacturing process technology	14 nm	14 nm
Maximum frequency	2.9 GHz	3.8 GHz
Number of cores	8	8
Number of threads	16	16
Transistor count	4800 million	4800 million
Unlocked
Maximum core temperature		95°C
Memory
Max memory channels	8	2
Maximum memory bandwidth	307 GB/s
Supported memory frequency	2400 MHz	2667 MHz
Supported memory types	DDR4	DDR4
Compatibility
Max number of CPUs in a configuration	2	1
Socket Count	1P/2P
Sockets supported	TR4	AM4
Thermal Design Power (TDP)	120 Watt	95 Watt
Peripherals
PCI Express revision	x128	3.0 x16
Virtualization
AMD Virtualization (AMD-V™)
Security & Reliability
Secure Boot
Advanced Technologies
AMD SenseMI
Extended Frequency Range (XFR)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
TSM Encryption