Ryzen 9 5900HX vs Xeon W-2255

Place in the ranking	515	509
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	AMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency	8.09	29.83
Architecture codename	no data	Cezanne-H (Zen 3) (2021)
Release date	1 October 2019 (5 years ago)	12 January 2021 (3 years ago)

Detailed specifications

Xeon W-2255 and Ryzen 9 5900HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	10 (Deca-Core)	8 (Octa-Core)
Threads	20	16
Base clock speed	3.7 GHz	3.3 GHz
Boost clock speed	4.7 GHz	4.6 GHz
Bus rate	8 GT/s	no data
Multiplier	no data	33
L1 cache	no data	64K (per core)
L2 cache	no data	512K (per core)
L3 cache	19.25 MB	16 MB (shared)
Chip lithography	14 nm	7 nm
Die size	no data	156 mm²
Maximum core temperature	62 °C	105 °C
Number of transistors	no data	9,800 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-2255 and Ryzen 9 5900HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FCLGA2066	FP6
Power consumption (TDP)	165 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2255 and Ryzen 9 5900HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Xeon W-2255 and Ryzen 9 5900HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2255 and Ryzen 9 5900HX are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2255 and Ryzen 9 5900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4
Maximum memory size	1 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	93.85 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Xeon W-2255 and Ryzen 9 5900HX.

PCIe version	3.0	3.0
PCI Express lanes	48	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon W-2255 14.63

Ryzen 9 5900HX 14.72
+0.6%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon W-2255 22387

Ryzen 9 5900HX 22529
+0.6%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon W-2255 1568

Ryzen 9 5900HX 1847
+17.8%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon W-2255 9518
+25.3%

Ryzen 9 5900HX 7595

Gaming performance

Pros & cons summary

Performance score	14.63	14.72
Recency	1 October 2019	12 January 2021
Physical cores	10	8
Threads	20	16
Chip lithography	14 nm	7 nm
Power consumption (TDP)	165 Watt	45 Watt

Xeon W-2255 has 25% more physical cores and 25% more threads.

Ryzen 9 5900HX, on the other hand, has a 0.6% higher aggregate performance score, an age advantage of 1 year, a 100% more advanced lithography process, and 266.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon W-2255 and Ryzen 9 5900HX.

Be aware that Xeon W-2255 is a server/workstation processor while Ryzen 9 5900HX is a notebook one.

Should you still have questions on choice between Xeon W-2255 and Ryzen 9 5900HX, ask them in Comments section, and we shall answer.