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Difference between revisions of "intel/xeon d/d-2123it"
< intel‎ | xeon d

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== Cache ==
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{{main|intel/microarchitectures/skylake_(server)#Memory_Hierarchy|l1=Skylake § Cache}}
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The Xeon D-2123IT features a larger non-default 8 MiB of [[L3]], a size that would normally be found on a 6-core part.
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{{cache size
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|l1 cache=256 KiB
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|l1i cache=128 KiB
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|l1i break=4x32 KiB
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|l1i desc=8-way set associative
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|l1d cache=128 KiB
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|l1d break=4x32 KiB
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|l1d desc=8-way set associative
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|l1d policy=write-back
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|l2 cache=4 MiB
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|l2 break=4x1 MiB
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|l2 desc=16-way set associative
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|l2 policy=write-back
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|l3 cache=8.25 MiB
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|l3 break=6x1.375 MiB
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|l3 desc=11-way set associative
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|l3 policy=write-back
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}}

Revision as of 16:05, 7 February 2018

Edit Values
Xeon D-2123IT
skylake-de (front).png
General Info
DesignerIntel
ManufacturerIntel
Model NumberD-2123IT
Part NumberFH8067303784201
S-SpecSR3ZW
MarketServer, Embedded
IntroductionFebruary 7, 2018 (announced)
February 7, 2018 (launched)
Release Price$213.00
ShopAmazon
General Specs
FamilyXeon D
SeriesD-2000
LockedYes
Frequency2,200 MHz
Turbo Frequency3,000 MHz (1 core)
Bus typeDMI 3.0
Bus rate4 × 8 GT/s
Clock multiplier22
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureSkylake (server)
Core NameSkylake-DE
Core SteppingM1
Process14 nm
TechnologyCMOS
MCPYes (2 dies)
Word Size64 bit
Cores4
Threads8
Max Memory512 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
TDP60 W
Packaging
PackageFCBGA-2518 (BGA)
Dimension45 mm x 52.5 mm
Contacts2518

Xeon D-2123IT is a 64-bit 4-core high-performance x86 server microprocessor introduced by Intel in early 2018 for the dense server and edge computing market segment. Fabricated on Intel's 14 nm process based on the Skylake microarchitecture, this model operates at 2.2 GHz with a Turbo Boost of up to 3.0 GHz and a TDP of 60 W. The D-2123IT supports up to 512 GiB of quad-chanel DDR4-2400 ECC memory.


DIL16 Blank.svg Preliminary Data! Information presented in this article deal with a microprocessor or chip that was recently announced or leaked, thus missing information regarding its features and exact specification. Information may be incomplete and can change by final release.


Cache

Main article: Skylake § Cache

The Xeon D-2123IT features a larger non-default 8 MiB of L3, a size that would normally be found on a 6-core part.

[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$256 KiB
262,144 B
0.25 MiB
L1I$128 KiB
131,072 B
0.125 MiB
4x32 KiB8-way set associative 
L1D$128 KiB
131,072 B
0.125 MiB
4x32 KiB8-way set associativewrite-back
L2$4 MiB
4,096 KiB
4,194,304 B
0.00391 GiB
  4x1 MiB16-way set associativewrite-back
L3$8.25 MiB
8,448 KiB
8,650,752 B
0.00806 GiB
  6x1.375 MiB11-way set associativewrite-back
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Facts about "Xeon D-2123IT - Intel"
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Xeon D-2123IT - Intel#package +
base frequency2,200 MHz (2.2 GHz, 2,200,000 kHz) +
bus links4 +
bus rate8,000 MT/s (8 GT/s, 8,000,000 kT/s) +
bus typeDMI 3.0 +
clock multiplier22 +
core count4 +
core nameSkylake-DE +
core steppingM1 +
designerIntel +
die count2 +
familyXeon D +
first announcedFebruary 7, 2018 +
first launchedFebruary 7, 2018 +
full page nameintel/xeon d/d-2123it +
has locked clock multipliertrue +
instance ofmicroprocessor +
is multi-chip packagetrue +
isax86-64 +
isa familyx86 +
l1$ size256 KiB (262,144 B, 0.25 MiB) +
l1d$ description8-way set associative +
l1d$ size128 KiB (131,072 B, 0.125 MiB) +
l1i$ description8-way set associative +
l1i$ size128 KiB (131,072 B, 0.125 MiB) +
l2$ description16-way set associative +
l2$ size4 MiB (4,096 KiB, 4,194,304 B, 0.00391 GiB) +
l3$ description11-way set associative +
l3$ size8.25 MiB (8,448 KiB, 8,650,752 B, 0.00806 GiB) +
ldateFebruary 7, 2018 +
main imageFile:skylake-de (front).png +
manufacturerIntel +
market segmentServer + and Embedded +
max cpu count1 +
max memory524,288 MiB (536,870,912 KiB, 549,755,813,888 B, 512 GiB, 0.5 TiB) +
microarchitectureSkylake (server) +
model numberD-2123IT +
nameXeon D-2123IT +
packageFCBGA-2518 +
part numberFH8067303784201 +
process14 nm (0.014 μm, 1.4e-5 mm) +
release price$ 213.00 (€ 191.70, £ 172.53, ¥ 22,009.29) +
s-specSR3ZW +
seriesD-2000 +
smp max ways1 +
tdp60 W (60,000 mW, 0.0805 hp, 0.06 kW) +
technologyCMOS +
thread count8 +
turbo frequency (1 core)3,000 MHz (3 GHz, 3,000,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +