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Xeon Phi 7285 - Intel
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Xeon Phi 7285
xeon phi knights mill (front).png
General Info
DesignerIntel
ManufacturerIntel
Model Number7285
Part NumberHJ8068303823800
S-SpecSR3VE
MarketWorkstation, Server, Supercomputer
IntroductionDecember 18, 2017 (announced)
December 18, 2017 (launched)
ShopAmazon
General Specs
FamilyXeon Phi
Seriesx205
LockedYes
Frequency1,300 MHz
Turbo Frequency1,400 MHz (1 core)
Clock multiplier15
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureKnights Mill
Core SteppingA0
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores68
Threads272
Max Memory384 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Vcore0.55 V-1.2 V
TDP250 W
Tcase0 °C – 77 °C
Packaging
Template:packages/intel/fclga-3647

Xeon Phi 7285 is a 68-core x86 many-core microprocessor introduced by Intel in late 2017 specifically designed to accelerate artificial intelligence workloads. This processor, which is fabricated on their own 14 nm process based on the Knights Mill microarchitecture, operates at a frequency of 1.3 GHz with a TDP of 250 W and a turbo of 1.4 GHz.


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: Knights Mill § 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$4.25 MiB
4,352 KiB
4,456,448 B
L1I$2.125 MiB
2,176 KiB
2,228,224 B
68x32 KiB8-way set associative 
L1D$2.125 MiB
2,176 KiB
2,228,224 B
68x32 KiB8-way set associative 
L2$34 MiB
34,816 KiB
35,651,584 B
0.0332 GiB
  34x1 MiB16-way set associative 
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Facts about "Xeon Phi 7285 - Intel"
RDF feed
base frequency1,300 MHz (1.3 GHz, 1,300,000 kHz) +
clock multiplier15 +
core count68 +
core steppingA0 +
core voltage (max)1.2 V (12 dV, 120 cV, 1,200 mV) +
core voltage (min)0.55 V (5.5 dV, 55 cV, 550 mV) +
designerIntel +
familyXeon Phi +
first announcedDecember 18, 2017 +
first launchedDecember 18, 2017 +
full page nameintel/xeon phi/7285 +
has locked clock multipliertrue +
instance ofmicroprocessor +
isax86-64 +
isa familyx86 +
l1$ size4,352 KiB (4,456,448 B, 4.25 MiB) +
l1d$ description8-way set associative +
l1d$ size2,176 KiB (2,228,224 B, 2.125 MiB) +
l1i$ description8-way set associative +
l1i$ size2,176 KiB (2,228,224 B, 2.125 MiB) +
l2$ description16-way set associative +
l2$ size34 MiB (34,816 KiB, 35,651,584 B, 0.0332 GiB) +
ldateDecember 18, 2017 +
main imageFile:xeon phi knights mill (front).png +
manufacturerIntel +
market segmentWorkstation +, Server + and Supercomputer +
max case temperature350.15 K (77 °C, 170.6 °F, 630.27 °R) +
max cpu count1 +
max memory393,216 MiB (402,653,184 KiB, 412,316,860,416 B, 384 GiB, 0.375 TiB) +
microarchitectureKnights Mill +
min case temperature273.15 K (0 °C, 32 °F, 491.67 °R) +
model number7285 +
nameXeon Phi 7285 +
part numberHJ8068303823800 +
process14 nm (0.014 μm, 1.4e-5 mm) +
s-specSR3VE +
seriesx205 +
smp max ways1 +
tdp250 W (250,000 mW, 0.335 hp, 0.25 kW) +
technologyCMOS +
thread count272 +
turbo frequency (1 core)1,400 MHz (1.4 GHz, 1,400,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +