Xeon Gold 6438M vs W3550

Primary details

Comparing Xeon W3550 and Xeon Gold 6438M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1811	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	21.10	no data
Market segment	Server	Server
Architecture codename	Bloomfield (2008−2010)	Sapphire Rapids
Release date	August 2009 (14 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$235	no data
Current price	$100 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3550 and Xeon Gold 6438M 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	4 (Quad-Core)	32 (Dotriaconta-Core)
Threads	8	64
Base clock speed	3.06 GHz	2.2 GHz
Boost clock speed	3.33 GHz	3.9 GHz
L1 cache	64 KB (per core)	80K (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	8 MB (shared)	60 MB
Chip lithography	45 nm	Intel 7 nm
Die size	263 mm2	no data
Maximum core temperature	68 °C	85 °C
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon W3550 and Xeon Gold 6438M 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	FCLGA1366	FCLGA4677
Power consumption (TDP)	130 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3550 and Xeon Gold 6438M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
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	+
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data
Status	Discontinued	Launched

Security technologies

Xeon W3550 and Xeon Gold 6438M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3550 and Xeon Gold 6438M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3550 and Xeon Gold 6438M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800, DDR5-4400
Maximum memory size	24 GB	4 TB
Max memory channels	3	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W3550 and Xeon Gold 6438M.

PCIe version	no data	5
PCI Express lanes	no data	80

Pros & cons summary

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Physical cores	4	32
Threads	8	64
Power consumption (TDP)	130 Watt	205 Watt

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