Ryzen Threadripper PRO 3975WX vs Xeon L7445

Primary details

Comparing Xeon L7445 and Ryzen Threadripper PRO 3975WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	68
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	AMD Ryzen Threadripper
Power efficiency	no data	13.29
Architecture codename	no data	Matisse (2019−2020)
Release date	1 July 2008 (16 years ago)	14 July 2020 (4 years ago)

Detailed specifications

Xeon L7445 and Ryzen Threadripper PRO 3975WX 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	no data	32 (Dotriaconta-Core)
Threads	no data	64
Base clock speed	2.13 GHz	3.5 GHz
Boost clock speed	no data	4.2 GHz
Multiplier	no data	35
L1 cache	no data	2 MB
L2 cache	no data	16 MB
L3 cache	12 MB L2 Cache	128 MB
Chip lithography	45 nm	7 nm, 12 nm
Die size	no data	74 mm2
Maximum core temperature	65 °C	95 °C
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	no data	23540 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	0.9V-1.45V	no data

Compatibility

Information on Xeon L7445 and Ryzen Threadripper PRO 3975WX 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	no data	1
Socket	PGA604	sWRX8
Power consumption (TDP)	50 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L7445 and Ryzen Threadripper PRO 3975WX. 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, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	+	no data
FSB parity	+	no data
Precision Boost 2	no data	+

Security technologies

Xeon L7445 and Ryzen Threadripper PRO 3975WX technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L7445 and Ryzen Threadripper PRO 3975WX are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L7445 and Ryzen Threadripper PRO 3975WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4-3200
Maximum memory size	no data	2 TiB
Maximum memory bandwidth	no data	204.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Xeon L7445 and Ryzen Threadripper PRO 3975WX.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	1 July 2008	14 July 2020
Chip lithography	45 nm	7 nm
Power consumption (TDP)	50 Watt	280 Watt

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Should you still have questions on choice between Xeon L7445 and Ryzen Threadripper PRO 3975WX, ask them in Comments section, and we shall answer.

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