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Xeon E7-8894 v4 - Intel
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Revision as of 20:57, 16 January 2019 by 193.165.236.56 (talk) (based on ark.intel.com/products/96900/Intel-Xeon-Processor-E7-8894-v4-60M-Cache-2-40-GHz-)
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Edit Values
Xeon E7-8894 v4
General Info
DesignerIntel
ManufacturerIntel
Model NumberE7-8894 v4
MarketServer
IntroductionQ1 2017 (announced)
Q1 2017 (launched)
Release Price$8898
General Specs
FamilyXeon E7
SeriesE7-8000
LockedYes
Frequency2,400 MHz
Bus typeQPI
Bus speed3,200 MHz
Bus rate3 × 9.6 GT/s
CPUID406F1
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureBroadwell
Core NameBroadwell EX
Core Family6
Core Model4F
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores24
Threads48
Max CPUs8 (Multiprocessor)
Max Memory3.07 TiB
Electrical
TDP165 W
Tcase0 °C – 79 °C
Tstorage-25 °C – 125 °C

The Xeon E7-8894 v4 is a 64-bit tetracosa-core x86 microprocessor introduced by Intel in 2017. This server MPU is designed for 8S environments. Operating at 2.4 GHz with a turbo boost frequency of 3.6 GHz for a single active core, this MPU has a TDP of 165 W and is manufactured on a 14 nm process (based on Broadwell).

Cache[edit]

Main article: Broadwell § Cache
Cache Info [Edit Values]
L1I$ 768 KiB
0.75 MiB
786,432 B
7.324219e-4 GiB
24x32 KiB 8-way set associative (per core, write-back)
L1D$ 768 KiB
0.75 MiB
786,432 B
7.324219e-4 GiB
24x32 KiB 8-way set associative (per core, write-back)
L2$ 6 MiB
6,144 KiB
6,291,456 B
0.00586 GiB
24x256 KiB 8-way set associative (per core, write-back)
L3$ 60 MiB
61,440 KiB
62,914,560 B
0.0586 GiB
24x2.5 MiB (shared, per core, write-back)

Graphics[edit]

This microprocessor has no integrated graphics processing unit.

Memory controller[edit]


Integrated Memory Controller
Controllers 1
Channels 4
ECC Support Yes
Max bandwidth 85 GiB/s
Bandwidth (single) 21.25 GiB/s
Bandwidth (dual) 42.5 GiB/s
Max memory 3.07 TiB
Physical Address Extensions 46 bit

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision3.0
Max Lanes32
Configsx4, x16

Features[edit]

base frequency2,400 MHz (2.4 GHz, 2,400,000 kHz) +
bus links3 +
bus rate9,600 MT/s (9.6 GT/s, 9,600,000 kT/s) +
bus speed3,200 MHz (3.2 GHz, 3,200,000 kHz) +
bus typeQPI +
core count24 +
core family6 +
core model4F +
core nameBroadwell EX +
cpuid406F1 +
designerIntel +
familyXeon E7 +
first announcedJanuary 2017 +
first launchedJanuary 2017 +
full page nameintel/xeon e7/e7-8894 v4 +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has extended page tables supporttrue +
has featureAdvanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Enhanced SpeedStep Technology +, Trusted Execution Technology +, Extended Page Tables + and Transactional Synchronization Extensions +
has intel enhanced speedstep technologytrue +
has intel trusted execution 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 +
l1d$ description8-way set associative +
l1d$ size0.75 MiB (768 KiB, 786,432 B, 7.324219e-4 GiB) +
l1i$ description8-way set associative +
l1i$ size0.75 MiB (768 KiB, 786,432 B, 7.324219e-4 GiB) +
l2$ description8-way set associative +
l2$ size6 MiB (6,144 KiB, 6,291,456 B, 0.00586 GiB) +
l3$ size60 MiB (61,440 KiB, 62,914,560 B, 0.0586 GiB) +
ldateJanuary 2017 +
manufacturerIntel +
market segmentServer +
max case temperature352.15 K (79 °C, 174.2 °F, 633.87 °R) +
max cpu count8 +
max memory3,219,128.32 MiB (3,296,387,399.68 KiB, 3,375,500,697,272.3 B, 3,143.68 GiB, 3.07 TiB) +
max pcie lanes32 +
max storage temperature398.15 K (125 °C, 257 °F, 716.67 °R) +
microarchitectureBroadwell +
min case temperature273.15 K (0 °C, 32 °F, 491.67 °R) +
min storage temperature248.15 K (-25 °C, -13 °F, 446.67 °R) +
model numberE7-8894 v4 +
nameXeon E7-8894 v4 +
process14 nm (0.014 μm, 1.4e-5 mm) +
release price$ 8,898.00 (€ 8,008.20, £ 7,207.38, ¥ 919,430.34) +
seriesE7-8000 +
tdp165 W (165,000 mW, 0.221 hp, 0.165 kW) +
technologyCMOS +
thread count48 +
word size64 bit (8 octets, 16 nibbles) +