Xeon E-2434 vs E5645

Primary details

Comparing Xeon E5645 and Xeon E-2434 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1605	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.38	no data
Market segment	Server	Server
Power efficiency	3.76	no data
Architecture codename	Westmere-EP (2010−2011)	Raptor Lake-S (2023−2024)
Release date	16 March 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$294	$293

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5645 and Xeon E-2434 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)	4 (Quad-Core)
Threads	12	8
Base clock speed	2.4 GHz	3.4 GHz
Boost clock speed	2.67 GHz	5 GHz
Bus rate	no data	16 GT/s
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	12 MB (shared)	12 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	239 mm2	163 mm2
Maximum core temperature	76 °C	100 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E5645 and Xeon E-2434 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	FCLGA1700
Power consumption (TDP)	80 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5645 and Xeon E-2434. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
Turbo Boost Max 3.0	no data	-

Security technologies

Xeon E5645 and Xeon E-2434 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5645 and Xeon E-2434 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Xeon E-2434. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800
Maximum memory size	288 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E5645 and Xeon E-2434.

PCIe version	2.0	5
PCI Express lanes	no data	16

Pros & cons summary

---

Recency	16 March 2010	14 December 2023
Physical cores	6	4
Threads	12	8
Power consumption (TDP)	80 Watt	55 Watt

---

Should you still have questions on choice between Xeon E5645 and Xeon E-2434, 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.

---