Phenom II X4 955 (95W) vs Xeon W-2155

Primary details

Comparing Xeon W-2155 and Phenom II X4 955 (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking559not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.49no data
Market segmentServerDesktop processor
SeriesIntel Xeon Wno data
Power efficiency8.96no data
Architecture codenameSkylake (server) (2017−2018)Deneb (2009−2011)
Release date29 August 2017 (7 years ago)1 April 2009 (15 years ago)
Launch price (MSRP)$1,440no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon W-2155 and Phenom II X4 955 (95W) 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 cores10 (Deca-Core)4 (Quad-Core)
Threads204
Base clock speed3.3 GHz3.2 GHz
Boost clock speed4.5 GHz3.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier33no data
L1 cache64K (per core)128 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache13.75 MB (shared)6 MB (shared)
Chip lithography14 nm45 nm
Die size484 mm2258 mm2
Maximum case temperature (TCase)68 °Cno data
Number of transistorsno data758 million
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Xeon W-2155 and Phenom II X4 955 (95W) 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
SocketFCLGA2066AM3
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2155 and Phenom II X4 955 (95W). You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data
Turbo Boost Max 3.0-no data

Security technologies

Xeon W-2155 and Phenom II X4 955 (95W) technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2155 and Phenom II X4 955 (95W) are enumerated here.

AMD-V-+
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 Phenom II X4 955 (95W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666DDR3
Maximum memory size512 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon W-2155 and Phenom II X4 955 (95W).

PCIe version3.02.0
PCI Express lanes48no data

Pros & cons summary


Recency 29 August 2017 1 April 2009
Physical cores 10 4
Threads 20 4
Chip lithography 14 nm 45 nm
Power consumption (TDP) 140 Watt 95 Watt

Xeon W-2155 has an age advantage of 8 years, 150% more physical cores and 400% more threads, and a 221.4% more advanced lithography process.

Phenom II X4 955 (95W), on the other hand, has 47.4% lower power consumption.

We couldn't decide between Xeon W-2155 and Phenom II X4 955 (95W). We've got no test results to judge.

Be aware that Xeon W-2155 is a server/workstation processor while Phenom II X4 955 (95W) is a desktop one.


Should you still have questions on choice between Xeon W-2155 and Phenom II X4 955 (95W), ask them in Comments section, and we shall answer.

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Intel Xeon W-2155
Xeon W-2155
AMD Phenom II X4 955 (95W)
Phenom II X4 955 (95W)

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