Xeon w7-3445 vs E5-2603 v3

Primary details

Comparing Xeon E5-2603 v3 and Xeon w7-3445 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1765	139
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	44.89
Market segment	Server	Server
Power efficiency	2.68	10.56
Architecture codename	Haswell-EP (2014−2015)	Sapphire Rapids (2023−2024)
Release date	8 September 2014 (10 years ago)	15 February 2023 (1 year ago)
Launch price (MSRP)	no data	$1,989

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2603 v3 and Xeon w7-3445 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)	20 (Icosa-Core)
Threads	6	40
Base clock speed	1.6 GHz	2.6 GHz
Boost clock speed	1.6 GHz	4.8 GHz
Bus rate	6.4 GT/s	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	15 MB (shared)	52.5 MB
Chip lithography	22 nm	Intel 7 nm
Die size	356 mm2	4x 477 mm2
Maximum core temperature	73 °C	no data
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5-2603 v3 and Xeon w7-3445 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	FCLGA2011	FCLGA4677
Power consumption (TDP)	85 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2603 v3 and Xeon w7-3445. You'll probably need this information if you require some particular technology.

Instruction set extensions	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
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Xeon E5-2603 v3 and Xeon w7-3445 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2603 v3 and Xeon w7-3445 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2603 v3 and Xeon w7-3445. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600	DDR5-4800
Maximum memory size	768 GB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	51 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 E5-2603 v3 and Xeon w7-3445.

PCIe version	3.0	5.0
PCI Express lanes	40	112

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	2.41	30.13
Recency	8 September 2014	15 February 2023
Physical cores	6	20
Threads	6	40
Power consumption (TDP)	85 Watt	270 Watt

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Should you still have questions on choice between Xeon E5-2603 v3 and Xeon w7-3445, ask them in Comments section, and we shall answer.

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