Xeon Silver 4309Y vs X6550

Primary details

Comparing Xeon X6550 and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2216	582
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.16	7.64
Market segment	Server	Server
Architecture codename	no data	Ice Lake-SP (2021)
Release date	1 January 2010 (14 years ago)	6 April 2021 (3 years ago)
Current price	$77	$2293

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Silver 4309Y has 4675% better value for money than Xeon X6550.

Detailed specifications

Xeon X6550 and Xeon Silver 4309Y 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	2 GHz	2.8 GHz
Boost clock speed	2.4 GHz	3.6 GHz
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	18 MB L3 Cache	12 MB (shared)
Chip lithography	45 nm	10 nm
Maximum core temperature	69 °C	76 °C
Maximum case temperature (TCase)	no data	76 °C
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon X6550 and Xeon Silver 4309Y 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	no data	2
Socket	FCLGA1567	FCLGA4189
Power consumption (TDP)	130 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X6550 and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	no data	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Status	Discontinued	Launched

Security technologies

Xeon X6550 and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X6550 and Xeon Silver 4309Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X6550 and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4-2667
Maximum memory size	no data	6 TB
Max memory channels	no data	8
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon X6550 and Xeon Silver 4309Y.

PCIe version	no data	4.0
PCI Express lanes	no data	64

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.

Silver 4309Y outperforms X6550 by 888% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.25	12.35
Recency	1 January 2010	6 April 2021
Chip lithography	45 nm	10 nm
Power consumption (TDP)	130 Watt	105 Watt

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Should you still have questions on choice between Xeon X6550 and Xeon Silver 4309Y, ask them in Comments section, and we shall answer.

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