Xeon w7-3555 vs AMD-K6-III+/400ACZ

Primary details

Comparing AMD-K6-III+/400ACZ and Xeon w7-3555 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesAMD K6-III+no data
Architecture codenameK6-III (1999−2000)Sapphire Rapids (2023−2024)
Release date18 April 2000 (24 years ago)24 August 2024 (less than a year ago)
Launch price (MSRP)no data$2,339

Detailed specifications

AMD-K6-III+/400ACZ and Xeon w7-3555 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 cores1 (Single-Core)28 (Octacosa-Core)
Threads156
Base clock speedno data2.7 GHz
Boost clock speed0.1 GHz4.8 GHz
Bus typeFSBno data
Bus rate99.99 MT/sno data
Multiplier4.5, 6 (2x is changed for 6x)no data
L1 cacheno data80 KB (per core)
L2 cache256 KB2 MB (per core)
L3 cacheno data75 MB
Chip lithography0.18 µmIntel 7 nm
Die sizeno data4x 477 mm2
Maximum case temperature (TCase)no data78 °C
Number of transistors21 Millionno data
64 bit support-+

Compatibility

Information on AMD-K6-III+/400ACZ and Xeon w7-3555 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 configurationno data1
Socketno dataFCLGA4677
Power consumption (TDP)no data325 Watt

Technologies and extensions

Technological solutions and additional instructions supported by AMD-K6-III+/400ACZ and Xeon w7-3555. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

AMD-K6-III+/400ACZ and Xeon w7-3555 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by AMD-K6-III+/400ACZ and Xeon w7-3555 are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by AMD-K6-III+/400ACZ and Xeon w7-3555. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5-4800
Maximum memory size4 GB4 TB
Max memory channelsno data8
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by AMD-K6-III+/400ACZ and Xeon w7-3555.

PCIe versionno data5.0
PCI Express lanesno data112

Pros & cons summary


Recency 18 April 2000 24 August 2024
Physical cores 1 28
Threads 1 56

Xeon w7-3555 has an age advantage of 24 years, and 2700% more physical cores and 5500% more threads.

We couldn't decide between AMD-K6-III+/400ACZ and Xeon w7-3555. We've got no test results to judge.

Be aware that AMD-K6-III+/400ACZ is a notebook processor while Xeon w7-3555 is a server/workstation one.


Should you still have questions on choice between AMD-K6-III+/400ACZ and Xeon w7-3555, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD AMD-K6-III+/400ACZ
AMD-K6-III+/400ACZ
Intel Xeon w7-3555
Xeon w7-3555

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


No user ratings yet.

Rate AMD-K6-III /400ACZ on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Xeon w7-3555 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about AMD-K6-III+/400ACZ or Xeon w7-3555, agree or disagree with our judgements, or report an error or mismatch.