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 rankingnot rated110
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesIntel Xeon E3no data
Power efficiencyno data59.21
Architecture codenameSkylake-H (2015−2016)Dragon Range-HX (Zen 4) (2023−2024)
Release date31 May 2016 (8 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$396no 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads832
Base clock speed1.9 GHz2.5 GHz
Boost clock speed1.9 GHz5.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier19no data
L1 cache256 KB64K (per core)
L2 cache1 MB1 MB (per core)
L3 cache8 MB (shared)64 MB (shared)
Chip lithography14 nmCCD = 5 nm, I/O = 6 nm
Die size171 mm22x 71 mm2
Maximum core temperatureno data100 °C
Number of transistors2,300 million13,140 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 configuration1 (Uniprocessor)1
SocketIntel BGA 1440FL1
Power consumption (TDP)45 Watt55 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 extensionsno dataMMX, 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 2no 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 typesLPDDR3-1866DDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Pro Graphics P555AMD Radeon 610M

Peripherals

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

PCIe version3.05.0
PCI Express lanes1628

Pros & cons summary


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

Xeon E3-1558L v5 has 22.2% lower power consumption.

Ryzen 9 7945HX, on the other hand, has an age advantage of 6 years, and 300% more physical cores and 300% more threads.

We couldn't decide between Xeon E3-1558L v5 and Ryzen 9 7945HX. We've got no test results to judge.

Be aware that Xeon E3-1558L v5 is a server/workstation processor while Ryzen 9 7945HX is a notebook one.


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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Intel Xeon E3-1558L v5
Xeon E3-1558L v5
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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