Xeon X5550 vs Ryzen 9 3900

Primary details

Comparing Ryzen 9 3900 and Xeon X5550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	289	1959
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.03	0.32
Market segment	Desktop processor	Server
Series	AMD Matisse (Ryzen 3000 Desktop)	no data
Power efficiency	28.23	1.90
Architecture codename	Matisse (Zen 2) (2019−2020)	Gainestown (2009−2010)
Release date	24 September 2019 (5 years ago)	30 March 2009 (15 years ago)
Launch price (MSRP)	$499	$62

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900 has 6159% better value for money than Xeon X5550.

Detailed specifications

Ryzen 9 3900 and Xeon X5550 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	3.1 GHz	2.66 GHz
Boost clock speed	4.3 GHz	3.06 GHz
L1 cache	768 KB	64 KB (per core)
L2 cache	6 MB	256 KB (per core)
L3 cache	64 MB	8 MB (shared)
Chip lithography	7 nm, 12 nm	45 nm
Die size	2x 74 mm2	263 mm2
Maximum core temperature	no data	75 °C
Number of transistors	7,600 million	731 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 3900 and Xeon X5550 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	2
Socket	AM4	FCLGA1366,PLGA1366
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Xeon X5550. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	1.0
Hyper-Threading Technology	no data	+
Idle States	no data	+
Demand Based Switching	no data	+
PAE	no data	40 Bit
Precision Boost 2	+	no data

Security technologies

Ryzen 9 3900 and Xeon X5550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Xeon X5550 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 Ryzen 9 3900 and Xeon X5550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3
Maximum memory size	128 GB	144 GB
Max memory channels	2	3
Maximum memory bandwidth	51.196 GB/s	32 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Xeon X5550.

PCIe version	4.0	2.0
PCI Express lanes	24	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.

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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.

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Pros & cons summary

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Performance score	19.39	1.91
Recency	24 September 2019	30 March 2009
Physical cores	12	4
Threads	24	8
Chip lithography	7 nm	45 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Ryzen 9 3900 and Xeon X5550, ask them in Comments section, and we shall answer.

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