Xeon W-11955M vs Ryzen Threadripper PRO 3945WX

Primary details

Comparing Ryzen Threadripper PRO 3945WX and Xeon W-11955M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	218	441
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.82	58.77
Market segment	Server	Server
Series	AMD Ryzen Threadripper	Intel Tiger Lake
Architecture codename	Matisse (2019−2020)	Tiger Lake-H (2021)
Release date	14 July 2020 (3 years ago)	11 May 2021 (2 years ago)
Current price	$1961	$372

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-11955M has 566% better value for money than Ryzen Threadripper PRO 3945WX.

Detailed specifications

Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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	12 (Dodeca-Core)	8 (Octa-Core)
Threads	24	16
Base clock speed	4 GHz	2.6 GHz
Boost clock speed	4.3 GHz	5 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	512K (per core)	1.25 MB (per core)
L3 cache	64 MB	24 MB (shared)
Chip lithography	7 nm, 12 nm	10 nm SuperFin
Die size	74 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	95 °C	72 °C
Number of transistors	3,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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	TR4	FCBGA1787
Power consumption (TDP)	280 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
SIPP	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Discontinued

Security technologies

Ryzen Threadripper PRO 3945WX and Xeon W-11955M technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
Secure Key	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M 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 Ryzen Threadripper PRO 3945WX and Xeon W-11955M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4
Maximum memory size	2 TiB	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	204.8 GB/s	51.2 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	-	+
Graphics max frequency	-	1.45 GHz
Execution Units	-	32

Graphics interfaces

Available interfaces and connections of Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	-	4096x2304@60Hz
Max resolution over eDP	-	4096x2304@60Hz
Max resolution over DisplayPort	-	7680x4320@60Hz

Graphics API support

APIs supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M integrated GPUs, sometimes API versions are included.

DirectX	-	12.1
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Xeon W-11955M.

PCIe version	4.0	4.0
PCI Express lanes	128	20

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-11955M by 48% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	21.66	14.64
Recency	14 July 2020	11 May 2021
Physical cores	12	8
Threads	24	16
Chip lithography	7 nm	10 nm
Power consumption (TDP)	280 Watt	35 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 3945WX and Xeon W-11955M, ask them in Comments section, and we shall answer.

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