Ryzen Threadripper PRO 3945WX vs Xeon W-2195

Primary details

Comparing Xeon W-2195 and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	307	225
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.88	8.73
Market segment	Server	Server
Series	Intel Xeon W	AMD Ryzen Threadripper
Architecture codename	Skylake (server) (2017−2019)	Matisse (2019−2020)
Release date	29 September 2017 (6 years ago)	14 July 2020 (3 years ago)
Launch price (MSRP)	$2,553	no data
Current price	$899 (0.4x MSRP)	$1961

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2195 has 82% better value for money than Ryzen Threadripper PRO 3945WX.

Detailed specifications

Xeon W-2195 and Ryzen Threadripper PRO 3945WX 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	18 (Octadeca-Core)	12 (Dodeca-Core)
Threads	36	24
Base clock speed	2.3 GHz	4 GHz
Boost clock speed	4.3 GHz	4.3 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	24.75 MB (shared)	64 MB
Chip lithography	14 nm	7 nm, 12 nm
Die size	no data	74 mm2
Maximum core temperature	66 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	no data	3,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon W-2195 and Ryzen Threadripper PRO 3945WX 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	Socket R4	TR4
Power consumption (TDP)	140 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2195 and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Status	Discontinued	no data

Security technologies

Xeon W-2195 and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2195 and Ryzen Threadripper PRO 3945WX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2195 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR4-3200
Maximum memory size	512 GB	2 TiB
Max memory channels	4	no data
Maximum memory bandwidth	85.3 GB/s	204.8 GB/s
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon W-2195 and Ryzen Threadripper PRO 3945WX.

PCIe version	3.0	4.0
PCI Express lanes	48	128

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.

Ryzen Threadripper PRO 3945WX outperforms Xeon W-2195 by 20% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	17.89	21.47
Recency	29 September 2017	14 July 2020
Physical cores	18	12
Threads	36	24
Chip lithography	14 nm	7 nm
Power consumption (TDP)	140 Watt	280 Watt

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Should you still have questions on choice between Xeon W-2195 and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.

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