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Xeon E5-2686 v4 - Intel
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Xeon E5-2686 v4
General Info
DesignerIntel
ManufacturerIntel
Model NumberE5-2686 v4
Part NumberCM8066002685800
S-SpecSR2K8
MarketServer
IntroductionJune 20, 2016 (announced)
June 20, 2016 (launched)
General Specs
FamilyXeon E5
SeriesE5-2000
LockedYes
Frequency2,300 MHz
Turbo FrequencyYes
Turbo Frequency3,000 MHz (1 core),
3,000 MHz (2 cores),
2,800 MHz (3 cores),
2,700 MHz (4 cores),
2,700 MHz (5 cores),
2,700 MHz (6 cores),
2,700 MHz (7 cores),
2,700 MHz (8 cores),
2,700 MHz (9 cores),
2,700 MHz (10 cores),
2,700 MHz (11 cores),
2,700 MHz (12 cores),
2,700 MHz (13 cores),
2,700 MHz (14 cores),
2,700 MHz (15 cores),
2,700 MHz (16 cores),
2,700 MHz (17 cores),
2,700 MHz (18 cores)
Bus typeQPI
Bus speed4,800 MHz
Bus rate2 × 9.6 GT/s
Clock multiplier23
CPUID406F1
Microarchitecture
MicroarchitectureBroadwell
PlatformGrantley EP 2S
ChipsetC610 Series
Core NameBroadwell EP
Core Family6
Core Model4F
Core SteppingB0
Process14 nm
Transistors7,200,000,000
TechnologyCMOS
Die456.12 mm²
Word Size64 bit
Cores18
Threads36
Max CPUs2 (Multiprocessor)
Max Memory1,536 GiB
Electrical
Vcore1.82 V
VI/O1.2 V ± 3%
TDP145 W
Tcase0 °C – ? °C
Tstorage-25 °C – 125 °C

The Xeon E5-2686 v4 is a 64-bit octadeca-core x86 microprocessor introduced by Intel in 2016. This server MPU is designed for 2S environments. Operating at 2.3 GHz with a turbo boost frequency of 3 GHz for a single active core, this MPU has a TDP of 145 W and is manufactured on a 14 nm process (based on Broadwell).

Cache[edit]

Main article: Broadwell § Cache
Cache Info [Edit Values]
L1I$ 576 KiB
0.563 MiB
589,824 B
5.493164e-4 GiB
18x32 KiB 8-way set associative (per core, write-back)
L1D$ 576 KiB
0.563 MiB
589,824 B
5.493164e-4 GiB
18x32 KiB 8-way set associative (per core, write-back)
L2$ 4.5 MiB
4,608 KiB
4,718,592 B
0.00439 GiB
18x256 KiB 8-way set associative (per core, write-back)
L3$ 45 MiB
46,080 KiB
47,185,920 B
0.0439 GiB
18x2.5 MiB 20-way set associative (shared, per core, write-back)

Graphics[edit]

This microprocessor has no integrated graphics processing unit.

Memory controller[edit]

Integrated Memory Controller
Type DDR4-2400
Controllers 1
Channels 4
ECC Support Yes
Max bandwidth 71.53 GiB/s
Bandwidth (single) 17.88 GiB/s
Bandwidth (dual) 35.76 GiB/s
Max memory 1,536 GiB
Physical Address Extensions 46 bit

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision3.0
Max Lanes40
Configsx4, x16

Features[edit]

[Edit/Modify Supported Features]

Cog-icon-grey.svg
Supported x86 Extensions & Processor Features
MMXMMX Extension
SSEStreaming SIMD Extensions
SSE2Streaming SIMD Extensions 2
SSE3Streaming SIMD Extensions 3
SSSE3Supplemental SSE3
AVXAdvanced Vector Extensions
AVX2Advanced Vector Extensions 2
BMI1Bit Manipulation Instruction Set 1
BMI2Bit Manipulation Instruction Set 2
FMA33-Operand Fused-Multiply-Add
AESAES Encryption Instructions
F16C16-bit Floating Point Conversion
NXNo-eXecute
HTHyper-Threading
TBT 2.0Turbo Boost Technology 2.0
EISTEnhanced SpeedStep Technology
TXTTrusted Execution Technology (SMX)
vProIntel vPro
EPTExtended Page Tables (SLAT)
TSXTransactional Synchronization Extensions
base frequency2,300 MHz (2.3 GHz, 2,300,000 kHz) +
bus links2 +
bus rate9,600 MT/s (9.6 GT/s, 9,600,000 kT/s) +
bus speed4,800 MHz (4.8 GHz, 4,800,000 kHz) +
bus typeQPI +
chipsetC610 Series +
clock multiplier23 +
core count18 +
core family6 +
core model4F +
core nameBroadwell EP +
core steppingB0 +
core voltage1.82 V (18.2 dV, 182 cV, 1,820 mV) +
cpuid406F1 +
designerIntel +
die area456.12 mm² (0.707 in², 4.561 cm², 456,120,000 µm²) +
familyXeon E5 +
first announcedJune 20, 2016 +
first launchedJune 20, 2016 +
full page nameintel/xeon e5/e5-2686 v4 +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has extended page tables supporttrue +
has featureTrusted Execution Technology +, Transactional Synchronization Extensions +, Intel vPro Technology +, Hyper-Threading Technology +, Turbo Boost Technology 2.0 +, Advanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension +, Enhanced SpeedStep Technology + and Extended Page Tables +
has intel enhanced speedstep technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
has intel vpro 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 +
io voltage1.2 V (12 dV, 120 cV, 1,200 mV) +
io voltage tolerance3% +
l1d$ description8-way set associative +
l1d$ size0.563 MiB (576 KiB, 589,824 B, 5.493164e-4 GiB) +
l1i$ description8-way set associative +
l1i$ size0.563 MiB (576 KiB, 589,824 B, 5.493164e-4 GiB) +
l2$ description8-way set associative +
l2$ size4.5 MiB (4,608 KiB, 4,718,592 B, 0.00439 GiB) +
l3$ description20-way set associative +
l3$ size45 MiB (46,080 KiB, 47,185,920 B, 0.0439 GiB) +
ldateJune 20, 2016 +
manufacturerIntel +
market segmentServer +
max cpu count2 +
max memory1,572,864 MiB (1,610,612,736 KiB, 1,649,267,441,664 B, 1,536 GiB, 1.5 TiB) +
max pcie lanes40 +
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 numberE5-2686 v4 +
nameXeon E5-2686 v4 +
part numberCM8066002685800 +
platformGrantley EP 2S +
process14 nm (0.014 μm, 1.4e-5 mm) +
s-specSR2K8 +
seriesE5-2000 +
tdp145 W (145,000 mW, 0.194 hp, 0.145 kW) +
technologyCMOS +
thread count36 +
transistor count7,200,000,000 +
turbo frequency (10 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (11 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (12 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (13 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (14 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (15 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (16 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (17 cores)2,700 MHz +
turbo frequency (18 cores)2,700 MHz +
turbo frequency (1 core)3,000 MHz (3 GHz, 3,000,000 kHz) +
turbo frequency (2 cores)3,000 MHz (3 GHz, 3,000,000 kHz) +
turbo frequency (3 cores)2,800 MHz (2.8 GHz, 2,800,000 kHz) +
turbo frequency (4 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (5 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (6 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (7 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (8 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
turbo frequency (9 cores)2,700 MHz (2.7 GHz, 2,700,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +