Ryzen Threadripper PRO 3975WX vs Xeon W-2155

Primary details

Comparing Xeon W-2155 and Ryzen Threadripper PRO 3975WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	510	55
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.23	18.29
Market segment	Server	Desktop processor
Series	Intel Xeon W	AMD Ryzen Threadripper
Architecture codename	Skylake (server) (2017−2019)	Matisse (2019−2020)
Release date	29 August 2017 (6 years ago)	14 July 2020 (3 years ago)
Launch price (MSRP)	$1,440	no data
Current price	$430 (0.3x MSRP)	$2200

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2155 has 11% better value for money than Ryzen Threadripper PRO 3975WX.

Detailed specifications

Xeon W-2155 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	10 (Deca-Core)	32 (Dotriaconta-Core)
Threads	20	64
Base clock speed	3.3 GHz	3.5 GHz
Boost clock speed	4.5 GHz	4.2 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	13.75 MB (shared)	128 MB
Chip lithography	14 nm	7 nm
Die size	484 mm2	74 mm2
Maximum core temperature	68 °C	95 °C
Maximum case temperature (TCase)	68 °C	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-2155 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	1	1
Socket	FCLGA2066	sWRX8
Power consumption (TDP)	140 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2155 and Ryzen Threadripper PRO 3975WX. 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	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	+	+
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-2155 and Ryzen Threadripper PRO 3975WX 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-2155 and Ryzen Threadripper PRO 3975WX 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-2155 and Ryzen Threadripper PRO 3975WX. 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-2155 and Ryzen Threadripper PRO 3975WX.

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 3975WX outperforms Xeon W-2155 by 199% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	13.62	40.73
Recency	29 August 2017	14 July 2020
Physical cores	10	32
Threads	20	64
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-2155 and Ryzen Threadripper PRO 3975WX, ask them in Comments section, and we shall answer.

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