Ryzen 9 5900X vs Xeon X5675

Primary details

Comparing Xeon X5675 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1299	169
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.19	63.89
Market segment	Server	Desktop processor
Series	no data	AMD Ryzen 9
Architecture codename	Westmere-EP (2010−2011)	Vermeer (Zen3) (2020)
Release date	14 February 2011 (13 years ago)	5 November 2020 (3 years ago)
Launch price (MSRP)	$162	$549
Current price	$78 (0.5x MSRP)	$351 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900X has 2817% better value for money than Xeon X5675.

Detailed specifications

Xeon X5675 and Ryzen 9 5900X 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	6 (Hexa-Core)	12 (Dodeca-Core)
Threads	12	24
Base clock speed	3.06 GHz	3.7 GHz
Boost clock speed	3.46 GHz	4.8 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12288 KB (shared)	64 MB
Chip lithography	32 nm	7 nm
Die size	239 mm2	2x 80.7 + 125 (I/O) mm2
Maximum core temperature	81 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon X5675 and Ryzen 9 5900X 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	2	1
Socket	FCLGA1366,LGA1366	AM4
Power consumption (TDP)	95 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5675 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon X5675 and Ryzen 9 5900X 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 Xeon X5675 and Ryzen 9 5900X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5675 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	288 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	51.196 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon X5675 and Ryzen 9 5900X.

PCIe version

2.0

4.0

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.

Ryzen 9 5900X outperforms Xeon X5675 by 509% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	4.16	25.33
Recency	14 February 2011	5 November 2020
Physical cores	6	12
Threads	12	24
Cost	$162	$549
Chip lithography	32 nm	7 nm
Power consumption (TDP)	95 Watt	105 Watt

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Should you still have questions on choice between Xeon X5675 and Ryzen 9 5900X, ask them in Comments section, and we shall answer.

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