Xeon D-1746TER vs L5609

Primary details

Comparing Xeon L5609 and Xeon D-1746TER processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1790	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Market segment	Server	Server
Architecture codename	Westmere-EP (2010−2011)	no data
Release date	16 March 2010 (14 years ago)	1 January 2022 (2 years ago)
Current price	$2666	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon L5609 and Xeon D-1746TER 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)	10 (Deca-Core)
Threads	4	20
Base clock speed	1.86 GHz	2 GHz
Boost clock speed	1.86 GHz	3.1 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	12 MB (shared)	15 MB
Chip lithography	32 nm	10 nm
Die size	239 mm2	no data
Maximum core temperature	63 °C	no data
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon L5609 and Xeon D-1746TER 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	no data
Socket	FCLGA1366,LGA1366	FCBGA2227
Power consumption (TDP)	40 Watt	67 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5609 and Xeon D-1746TER. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® AVX-512
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	Launched

Security technologies

Xeon L5609 and Xeon D-1746TER technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5609 and Xeon D-1746TER are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5609 and Xeon D-1746TER. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	288 GB	384 GB
Max memory channels	3	3
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon L5609 and Xeon D-1746TER.

PCIe version	2.0	4.0
PCI Express lanes	no data	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

---

Recency	16 March 2010	1 January 2022
Physical cores	4	10
Threads	4	20
Chip lithography	32 nm	10 nm
Power consumption (TDP)	40 Watt	67 Watt

---

Should you still have questions on choice between Xeon L5609 and Xeon D-1746TER, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---