AMD Ryzen 7 PRO 8840HS vs AMD EPYC 7551

Comparative analysis of AMD Ryzen 7 PRO 8840HS and AMD EPYC 7551 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Ryzen 7 PRO 8840HS

AMD EPYC 7551

Differences

Reasons to consider the AMD Ryzen 7 PRO 8840HS

CPU is newer: launch date 6 year(s) 10 month(s) later
Around 70% higher clock speed: 5.1 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 14 nm
6.4x lower typical power consumption: 28 Watt vs 180 Watt
2x better performance in PassMark - Single thread mark: 3666 vs 1789

Specifications (specs)
Launch date	16 Apr 2024 vs June 2017
Maximum frequency	5.1 GHz vs 3 GHz
Manufacturing process technology	4 nm vs 14 nm
Thermal Design Power (TDP)	28 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark	3666 vs 1789

Reasons to consider the AMD EPYC 7551

Processor is unlocked, an unlocked multiplier allows for easier overclocking
24 more cores, run more applications at once: 32 vs 8
48 more threads: 64 vs 16
6x 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
4x more L3 cache, more data can be stored in the L3 cache for quick access later
2.2x better performance in PassMark - CPU mark: 57865 vs 26669

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	32 vs 8
Number of threads	64 vs 16
L1 cache	96 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 1 MB (per core)
L3 cache	64 MB vs 16 MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	57865 vs 26669

Compare benchmarks

CPU 1: AMD Ryzen 7 PRO 8840HS
CPU 2: AMD EPYC 7551

PassMark - Single thread mark

CPU 1

CPU 2

3666

1789

PassMark - CPU mark

CPU 1

CPU 2

26669

57865

Name	AMD Ryzen 7 PRO 8840HS	AMD EPYC 7551
PassMark - Single thread mark	3666	1789
PassMark - CPU mark	26669	57865
Geekbench 4 - Single Core		2956
Geekbench 4 - Multi-Core		20125

Compare specifications (specs)

	AMD Ryzen 7 PRO 8840HS	AMD EPYC 7551
Essentials
Launch date	16 Apr 2024	June 2017
Place in performance rating	256	258
Architecture codename		Zen
Family		AMD EPYC
Price now		$3,813.99
Series		AMD EPYC 7000 Series
Value for money (0-100)		1.43
Vertical segment		Server
Performance
Base frequency	3.3 GHz	2 GHz
Die size	178 mm²	192 mm
L1 cache	64 KB (per core)	96 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	16 MB (shared)	64 MB
Manufacturing process technology	4 nm	14 nm
Maximum core temperature	100°C
Maximum frequency	5.1 GHz	3 GHz
Number of cores	8	32
Number of threads	16	64
Transistor count	25,000 million	4800 million
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5	DDR4
Max memory channels		8
Maximum memory bandwidth		341 GB/s
Supported memory frequency		2666 MHz
Compatibility
Configurable TDP	20-30 Watt
Max number of CPUs in a configuration	1	2
Sockets supported	FP7	TR4
Thermal Design Power (TDP)	28 Watt	180 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)
PCI Express revision		x128
Virtualization
AMD Virtualization (AMD-V™)