Ryzen 9 7945HX vs Xeon E3-1558L v5

Primary details

Comparing Xeon E3-1558L v5 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	110
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	Intel Xeon E3	no data
Power efficiency	no data	59.24
Architecture codename	Skylake-H (2015−2016)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	31 May 2016 (8 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$396	no data

Detailed specifications

Xeon E3-1558L v5 and Ryzen 9 7945HX 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)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	1.9 GHz	2.5 GHz
Boost clock speed	3.3 GHz	5.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	19	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	64 MB (shared)
Chip lithography	14 nm	CCD = 5 nm, I/O = 6 nm
Die size	171 mm2	2x 71 mm2
Maximum core temperature	no data	100 °C
Number of transistors	2,300 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1558L v5 and Ryzen 9 7945HX 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 (Uniprocessor)	1
Socket	Intel BGA 1440	FL1
Power consumption (TDP)	45 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1558L v5 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
TSX	+	-
Precision Boost 2	no data	+

Security technologies

Xeon E3-1558L v5 and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1558L v5 and Ryzen 9 7945HX are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1558L v5 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel Iris Pro Graphics P555

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1558L v5 and Ryzen 9 7945HX.

PCIe version	3.0	5.0
PCI Express lanes	16	28

Pros & cons summary

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Recency	31 May 2016	4 January 2023
Physical cores	4	16
Threads	8	32
Power consumption (TDP)	45 Watt	55 Watt

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Should you still have questions on choice between Xeon E3-1558L v5 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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