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Xeon D-1557 - Intel
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Intel Xeon D-1557
General Info
DesignerIntel
ManufacturerIntel
Model NumberD-1557
Part NumberGG8067402570702
S-SpecSR2M4
MarketServer, Embedded
IntroductionFebruary 24, 2016 (announced)
February 24, 2016 (launched)
General Specs
FamilyXeon D
SeriesD-1500
LockedYes
Frequency1500 MHz
Turbo FrequencyYes
Turbo Frequency2100 MHz (1 core)
Bus typeDMI 2.0
Clock multiplier15
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureBroadwell
PlatformGrangeville
Core NameBroadwell DE
Core SteppingY0
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores12
Threads24
Max CPUs1 (Uniprocessor)
Max Memory128 GiB
Electrical
TDP45 W
OP Temperature0 °C – 108 °C

The Xeon D-1557 is a 64-bit dodeca-core x86-64 microserver SoC that was introduced by Intel in February of 2016. The D-1557 operates at 1.5 GHz with a turbo frequency of 2.1 GHz. This chip, which is based on the Broadwell microarchitecture and manufactured in 14 nm process, has a TDP of 45 W and can support up to 128 GB of RAM (DDR3L/DDR4).

Cache

Main article: Broadwell § Cache
Cache Info [Edit Values]
L1I$ 384 KiB
0.375 MiB
393,216 B
3.662109e-4 GiB
12x32 KiB 8-way set associative (per core)
L1D$ 384 KiB
0.375 MiB
393,216 B
3.662109e-4 GiB
12x32 KiB 8-way set associative (per core)
L2$ 3 MiB
3,072 KiB
3,145,728 B
0.00293 GiB
12x256 KiB 8-way set associative (per core)
L3$ 18 MiB
18,432 KiB
18,874,368 B
0.0176 GiB
12x1.5 MiB (per core)

Graphics

This SoC has no integrated graphics processing unit.

Memory controller

Integrated Memory Controller
Type DDR3L-1333, DDR3L-1600, DDR4-1600, DDR4-1867, DDR4-2133
Controllers 1
Channels 2
ECC Support Yes
Max memory 128 GiB

Expansions

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision2.0
Max Lanes8
Configsx4, x16
USB
Revision2.0, 3.0
Ports8
UART

Integrated LANYes

Networking

Networking
SFI interface Yes
KR interface Yes
KR4 interface No
KX interface Yes
KX4 interface No
10Base-T No
100Base-T No
1000Base-T Yes
10GBase-T Yes

Features

Facts about "Xeon D-1557 - Intel"
base frequency1,500 MHz (1.5 GHz, 1,500,000 kHz) +
bus typeDMI 2.0 +
clock multiplier15 +
core count12 +
core nameBroadwell DE +
core steppingY0 +
designerIntel +
familyXeon D +
first announcedFebruary 24, 2016 +
first launchedFebruary 24, 2016 +
full page nameintel/xeon d/d-1557 +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has featureTrusted Execution Technology +, Transactional Synchronization Extensions +, Hyper-Threading Technology +, Turbo Boost Technology 2.0 +, Advanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension + and Enhanced SpeedStep Technology +
has intel enhanced speedstep technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
has locked clock multipliertrue +
has simultaneous multithreadingtrue +
has transactional synchronization extensionstrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
isax86-64 +
isa familyx86 +
l1d$ description8-way set associative +
l1d$ size0.375 MiB (384 KiB, 393,216 B, 3.662109e-4 GiB) +
l1i$ description8-way set associative +
l1i$ size0.375 MiB (384 KiB, 393,216 B, 3.662109e-4 GiB) +
l2$ description8-way set associative +
l2$ size3 MiB (3,072 KiB, 3,145,728 B, 0.00293 GiB) +
l3$ size18 MiB (18,432 KiB, 18,874,368 B, 0.0176 GiB) +
ldateFebruary 24, 2016 +
manufacturerIntel +
market segmentServer + and Embedded +
max cpu count1 +
max memory131,072 MiB (134,217,728 KiB, 137,438,953,472 B, 128 GiB, 0.125 TiB) +
max operating temperature108 °C +
max pcie lanes8 +
microarchitectureBroadwell +
min operating temperature0 °C +
model numberD-1557 +
nameIntel Xeon D-1557 +
part numberGG8067402570702 +
platformGrangeville +
process14 nm (0.014 μm, 1.4e-5 mm) +
s-specSR2M4 +
seriesD-1500 +
tdp45 W (45,000 mW, 0.0603 hp, 0.045 kW) +
technologyCMOS +
thread count24 +
turbo frequency (1 core)2,100 MHz (2.1 GHz, 2,100,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +