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Revision as of 15:30, 13 December 2017

Edit Values
Xeon Silver 4108
skylake sp (basic).png
General Info
DesignerIntel
ManufacturerIntel
Model Number4108
Part NumberBX806734108,
CD8067303561500
S-SpecSR3GJ
QN0A (QS)
MarketServer
IntroductionJuly 11, 2017 (announced)
July 11, 2017 (launched)
Release Price$417.00
ShopAmazon
General Specs
FamilyXeon Silver
Series4000
LockedYes
Frequency1,800 MHz
Turbo Frequency3,000 MHz (1 core)
Clock multiplier18
CPUID0x50654
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureSkylake (server)
PlatformPurley
ChipsetLewisburg
Core NameSkylake SP
Core Family6
Core SteppingU0
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores8
Threads16
Max Memory768 GiB
Multiprocessing
Max SMP2-Way (Multiprocessor)
Electrical
TDP85 W
Tcase0 °C – 77 °C
TDTS0 °C – 90 °C
Packaging
Template:packages/intel/fclga-3647

Xeon Silver 4108 is a 64-bit octa-core x86 dual-socket mid-range performance server microprocessor introduced by Intel in mid-2017. The Silver 4108, which is based on the server configuration of the Skylake microarchitecture and is manufactured on a 14 nm+ process, sports 1 AVX-512 FMA unit as well as two Ultra Path Interconnect links. This microprocessor, which operates at 1.8 GHz with a TDP of 85 W and a turbo boost frequency of up to 3 GHz, supports up 768 GiB of hexa-channel DDR4-2400 ECC memory.

Cache

Main article: Skylake § Cache

[Edit/Modify Cache Info]

hierarchy icon.svg
Cache Organization
Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory.

The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC.

Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies.

Note: All units are in kibibytes and mebibytes.
L1$512 KiB
524,288 B
0.5 MiB
L1I$256 KiB
262,144 B
0.25 MiB
8x32 KiB8-way set associative 
L1D$256 KiB
262,144 B
0.25 MiB
8x32 KiB8-way set associativewrite-back
L2$8 MiB
8,192 KiB
8,388,608 B
0.00781 GiB
  8x1 MiB16-way set associativewrite-back
L3$11 MiB
11,264 KiB
11,534,336 B
0.0107 GiB
  8x1.375 MiB11-way set associativewrite-back

Memory controller

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR4-2400
Supports ECCYes
Max Mem768 GiB
Controllers2
Channels6
Max Bandwidth107.3 GiB/s
109,875.2 MiB/s
115.212 GB/s
115,212.498 MB/s
0.105 TiB/s
0.115 TB/s
Bandwidth
Single 17.88 GiB/s
Double 35.76 GiB/s
Quad 71.53 GiB/s
Hexa 107.3 GiB/s

Expansions

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision3.0
Max Lanes48
Configsx16, x8, x4


Features

[Edit/Modify Supported Features]

Cog-icon-grey.svg
Supported x86 Extensions & Processor Features
MMXMMX Extension
EMMXExtended MMX Extension
SSEStreaming SIMD Extensions
SSE2Streaming SIMD Extensions 2
SSE3Streaming SIMD Extensions 3
SSSE3Supplemental SSE3
SSE4.1Streaming SIMD Extensions 4.1
SSE4.2Streaming SIMD Extensions 4.2
AVXAdvanced Vector Extensions
AVX2Advanced Vector Extensions 2
AVX-512Advanced Vector 512-bit
AVX512FAVX-512 Foundation
AVX512CDAVX-512 Conflict Detection
AVX512BWAVX-512 Byte and Word
AVX512DQAVX-512 Doubleword and Quadword Instructions
AVX512VLAVX-512 Vector Length
ABMAdvanced Bit Manipulation
BMI1Bit Manipulation Instruction Set 1
BMI2Bit Manipulation Instruction Set 2
FMA33-Operand Fused-Multiply-Add
AESAES Encryption Instructions
RdRandHardware RNG
ADXMulti-Precision Add-Carry
CLMULCarry-less Multiplication Extension
F16C16-bit Floating Point Conversion
x86-1616-bit x86
x86-3232-bit x86
x86-6464-bit x86
RealReal Mode
ProtectedProtected Mode
SMMSystem Management Mode
FPUIntegrated x87 FPU
NXNo-eXecute
HTHyper-Threading
TBT 2.0Turbo Boost Technology 2.0
EISTEnhanced SpeedStep Technology
SSTSpeed Shift Technology
TXTTrusted Execution Technology (SMX)
vProIntel vPro
VT-xVT-x (Virtualization)
EPTExtended Page Tables (SLAT)
TSXTransactional Synchronization Extensions
VMDVolume Management Device
NMNode Manager
KPTKey Protection Technology
PTTPlatform Trust Technology
MBE CtrlMode-Based Execute Control

Frequencies

See also: Intel's CPU Frequency Behavior

[Modify Frequency Info]

ModeBaseTurbo Frequency/Active Cores
12345678
Normal1,800 MHz3,000 MHz3,000 MHz2,700 MHz2,700 MHz2,100 MHz2,100 MHz2,100 MHz2,100 MHz
AVX21,400 MHz2,900 MHz2,900 MHz2,300 MHz2,300 MHz1,800 MHz1,800 MHz1,800 MHz1,800 MHz
AVX512900 MHz1,800 MHz1,800 MHz1,500 MHz1,500 MHz1,200 MHz1,200 MHz1,200 MHz1,200 MHz

Benchmarks

[Edit Benchmarks]

Test: SPEC CPU2017
Tested: 2017-10-26 18:22:55-0400
Chips: 2, Cores: 16, Copies: 32
benchmarks.svg
Vendor: HPE
System: ProLiant DL380 Gen10 (1.80 GHz, Intel Xeon Silver 4108)
SPECrate2017_int_base: 65.5
Test: SPEC CPU2017
Tested: 2017-10-25 08:47:13-0400
Chips: 2, Cores: 16, Threads: 16
benchmarks.svg
Vendor: HPE
System: ProLiant DL380 Gen10 (1.80 GHz, Intel Xeon Silver 4108)
SPECspeed2017_int_base: 6.85
Test: SPEC CPU2017
Tested: 2017-10-25 12:03:49-0400
Chips: 2, Cores: 16, Threads: 16
benchmarks.svg
Vendor: HPE
System: ProLiant DL380 Gen10 (1.80 GHz, Intel Xeon Silver 4108)
SPECspeed2017_fp_base: 56.3
Test: SPEC CPU2017
Tested: 2017-10-26 08:39:40-0400
Chips: 2, Cores: 16, Copies: 32
benchmarks.svg
Vendor: HPE
System: ProLiant DL380 Gen10 (1.80 GHz, Intel Xeon Silver 4108)
SPECrate2017_fp_base: 77.5
Retrieved from "https://en.wikichip.org/w/index.php?title=intel/xeon_silver/4108&oldid=71098"
Facts about "Xeon Silver 4108 - Intel"
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Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
Xeon Silver 4108 - Intel#io +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has advanced vector extensions 512true +
has ecc memory supporttrue +
has extended page tables supporttrue +
has featureAdvanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Vector Extensions 512 +, Advanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Turbo Boost Technology 2.0 +, Enhanced SpeedStep Technology +, Speed Shift Technology +, Trusted Execution Technology +, Intel vPro Technology +, Intel VT-x +, Extended Page Tables + and Transactional Synchronization Extensions +
has intel enhanced speedstep technologytrue +
has intel speed shift technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
has intel vpro technologytrue +
has intel vt-x technologytrue +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
has transactional synchronization extensionstrue +
has x86 advanced encryption standard instruction set extensiontrue +
l1$ size512 KiB (524,288 B, 0.5 MiB) +
l1d$ description8-way set associative +
l1d$ size256 KiB (262,144 B, 0.25 MiB) +
l1i$ description8-way set associative +
l1i$ size256 KiB (262,144 B, 0.25 MiB) +
l2$ description16-way set associative +
l2$ size8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
l3$ description11-way set associative +
l3$ size11 MiB (11,264 KiB, 11,534,336 B, 0.0107 GiB) +
max memory bandwidth107.3 GiB/s (109,875.2 MiB/s, 115.212 GB/s, 115,212.498 MB/s, 0.105 TiB/s, 0.115 TB/s) +
max memory channels6 +
max pcie lanes48 +
supported memory typeDDR4-2400 +