Xeon w5-2545 vs E3-1275 v3

Primary details

Comparing Xeon E3-1275 v3 and Xeon w5-2545 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1312	186
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.60	83.24
Market segment	Server	Server
Power efficiency	5.10	11.76
Architecture codename	Haswell-WS (2013−2014)	Sapphire Rapids (2023−2024)
Release date	2 June 2013 (11 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	$531	$889

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w5-2545 has 5103% better value for money than Xeon E3-1275 v3.

Detailed specifications

Xeon E3-1275 v3 and Xeon w5-2545 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)	12 (Dodeca-Core)
Threads	8	24
Base clock speed	3.5 GHz	3.5 GHz
Boost clock speed	3.9 GHz	4.7 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	8192 KB (shared)	30 MB
Chip lithography	22 nm	Intel 7 nm
Die size	160 mm2	no data
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E3-1275 v3 and Xeon w5-2545 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	1
Socket	FCLGA1150	FCLGA4677
Power consumption (TDP)	84 Watt	210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v3 and Xeon w5-2545. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1275 v3 and Xeon w5-2545 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
SGX	no data	-
OS Guard	+	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 v3 and Xeon w5-2545 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v3 and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-4800
Maximum memory size	32 GB	2 TB
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4600	N/A
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v3 and Xeon w5-2545 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 v3 and Xeon w5-2545.

PCIe version	3.0	5.0
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	4.55	26.24
Recency	2 June 2013	24 August 2024
Physical cores	4	12
Threads	8	24
Power consumption (TDP)	84 Watt	210 Watt

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Should you still have questions on choice between Xeon E3-1275 v3 and Xeon w5-2545, ask them in Comments section, and we shall answer.

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