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Xeon Silver 4208 - Intel
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Xeon Silver 4208
cascade lake sp (front).png
General Info
DesignerIntel
ManufacturerIntel
Model Number4208
Part NumberCD8069503956401,
BX806954208
S-SpecSRFBM
MarketServer
IntroductionApril 2, 2019 (announced)
April 2, 2019 (launched)
Release Price$417.00 (tray)
$428.00 (box)
General Specs
FamilyXeon Silver
Series4200
LockedYes
Frequency2,100 MHz
Turbo Frequency3,200 MHz (1 core)
Clock multiplier21
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureCascade Lake
PlatformPurley
ChipsetLewisburg
Core NameCascade Lake SP
Core Family6
Core SteppingR1
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores8
Threads16
Max CPUs2 (Multiprocessor)
Max Memory1 TiB
Electrical
TDP85 W
Tcase0 °C – 78 °C
Packaging
PackageFCLGA-3647 (FCLGA)
Dimension76.16 mm × 56.6 mm
Pitch0.8585 mm × 0.9906 mm
Contacts3647
SocketSocket P, LGA-3647
Succession

Xeon Silver 4208 is a 64-bit octa-core x86 mid-range performance server microprocessor introduced by Intel in early 2019. The Silver 4208 is based on the Cascade Lake microarchitecture and is manufactured on a 14 nm process. This chip supports dual-way multiprocessing, sports one AVX-512 FMA units as well as two UPI links. This microprocessor supports up 1 TiB of hexa-channel DDR4-2400 memory, operates at 2.1 GHz with a TDP of 85 W and features a turbo boost frequency of up to 3.2 GHz.


Cache[edit]

Main article: Cascade Lake § Cache

[Edit/Modify Cache Info]

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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
0.5 MiB
524,288 B
4.882812e-4 GiB
L1I$256 KiB
0.25 MiB
262,144 B
2.441406e-4 GiB
8x32 KiB8-way set associative 
L1D$256 KiB
0.25 MiB
262,144 B
2.441406e-4 GiB
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]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR4-2400
Supports ECCYes
Max Mem1 TiB
Controllers2
Channels6
Max Bandwidth107.3 GiB/s
Bandwidth
Single 17.88 GiB/s
Double 35.76 GiB/s
Quad 71.53 GiB/s
Hexa 107.3 GiB/s

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIeRevision: 3.0
Max Lanes: 48
Configuration: 1x16, x8, x4


Features[edit]

[Edit/Modify Supported Features]

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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 Double and Quad
AVX512VLAVX-512 Vector Length
AVX512VNNIAVX-512 Vector Neural Network Instructions
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)
VT-dVT-d (I/O MMU virtualization)
EPTExtended Page Tables (SLAT)
TSXTransactional Synchronization Extensions
VMDVolume Management Device
NMNode Manager
KPTKey Protection Technology
PTTPlatform Trust Technology
MBE CtrlMode-Based Execute Control
DL BoostDeep Learning Boost

Frequencies[edit]

See also: Intel's CPU Frequency Behavior

[Modify Frequency Info]

ModeBaseTurbo Frequency/Active Cores
12345678
Normal2,100MHz3,200MHz3,200MHz3,000MHz3,000MHz2,500MHz2,500MHz2,500MHz2,500MHz
AVX21,600MHz3,000MHz3,000MHz2,600MHz2,600MHz2,000MHz2,000MHz2,000MHz2,000MHz
AVX5121,100MHz2,000MHz2,000MHz1,800MHz1,800MHz1,400MHz1,400MHz1,400MHz1,400MHz
Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
Xeon Silver 4208 - Intel#pcie +
base frequency2,100 MHz (2.1 GHz, 2,100,000 kHz) +
chipsetLewisburg +
clock multiplier21 +
core count8 +
core family6 +
core nameCascade Lake SP +
core steppingR1 +
designerIntel +
familyXeon Silver +
first announcedApril 2, 2019 +
first launchedApril 2, 2019 +
full page nameintel/xeon silver/4208 +
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 +, Intel VT-d +, Extended Page Tables +, Transactional Synchronization Extensions + and Deep Learning Boost +
has intel deep learning boosttrue +
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-d technologytrue +
has intel vt-x technologytrue +
has locked clock multipliertrue +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
has transactional synchronization extensionstrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
isax86-64 +
isa familyx86 +
l1$ size0.5 MiB (512 KiB, 524,288 B, 4.882812e-4 GiB) +
l1d$ description8-way set associative +
l1d$ size0.25 MiB (256 KiB, 262,144 B, 2.441406e-4 GiB) +
l1i$ description8-way set associative +
l1i$ size0.25 MiB (256 KiB, 262,144 B, 2.441406e-4 GiB) +
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) +
ldateApril 2, 2019 +
main imageFile:cascade lake sp (front).png +
manufacturerIntel +
market segmentServer +
max case temperature351.15 K (78 °C, 172.4 °F, 632.07 °R) +
max cpu count2 +
max memory1,048,576 MiB (1,073,741,824 KiB, 1,099,511,627,776 B, 1,024 GiB, 1 TiB) +
max memory channels6 +
microarchitectureCascade Lake +
min case temperature273.15 K (0 °C, 32 °F, 491.67 °R) +
model number4208 +
nameXeon Silver 4208 +
packageFCLGA-3647 +
part numberCD8069503956401 + and BX806954208 +
platformPurley +
process14 nm (0.014 μm, 1.4e-5 mm) +
release price$ 417.00 (€ 375.30, £ 337.77, ¥ 43,088.61) + and $ 428.00 (€ 385.20, £ 346.68, ¥ 44,225.24) +
release price (box)$ 428.00 (€ 385.20, £ 346.68, ¥ 44,225.24) +
release price (tray)$ 417.00 (€ 375.30, £ 337.77, ¥ 43,088.61) +
s-specSRFBM +
series4200 +
socketSocket P + and LGA-3647 +
supported memory typeDDR4-2400 +
tdp85 W (85,000 mW, 0.114 hp, 0.085 kW) +
technologyCMOS +
thread count16 +
turbo frequency (1 core)3,200 MHz (3.2 GHz, 3,200,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +