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Xeon E5-4640 v4 - Intel
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Xeon E5-4640 v4
General Info
DesignerIntel
ManufacturerIntel
Model NumberE5-4640 v4
Part NumberCM8066002061701
S-SpecSR2SC
QKSS (QS)
MarketServer
IntroductionJune 20, 2016 (announced)
June 20, 2016 (launched)
Release Price$2837
General Specs
FamilyXeon E5
SeriesE5-4000
LockedYes
Frequency2,100 MHz
Turbo FrequencyYes
Turbo Frequency2,600 MHz (1 core)
Bus typeQPI
Bus speed4,000 MHz
Bus rate2 × 8 GT/s
Clock multiplier21
CPUID406F1
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureBroadwell
PlatformGrantley EP 4S
ChipsetC610 Series
Core NameBroadwell EP
Core Family6
Core Model4F
Core SteppingM0
Process14 nm
Transistors4,700,000,000
TechnologyCMOS
Die306.18 mm²
Word Size64 bit
Cores12
Threads24
Max CPUs4 (Multiprocessor)
Max Memory1,536 GiB
Electrical
Vcore1.82 V
VI/O1.2 V ± 3%
TDP105 W
Tcase0 °C – 80 °C
Tstorage-25 °C – 125 °C

The Xeon E5-4640 v4 is a 64-bit dodeca-core x86 microprocessor introduced by Intel in 2016. This server MPU is designed for standard 4S environments. Operating at 2.1 GHz with a turbo boost frequency of 2.6 GHz for a single active core, this MPU has a TDP of 105 W and is manufactured on a 14 nm process (based on Broadwell).

Cache[edit]

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, write-back)
L1D$ 384 KiB
0.375 MiB
393,216 B
3.662109e-4 GiB
12x32 KiB 8-way set associative (per core, write-back)
L2$ 3 MiB
3,072 KiB
3,145,728 B
0.00293 GiB
12x256 KiB 8-way set associative (per core, write-back)
L3$ 30 MiB
30,720 KiB
31,457,280 B
0.0293 GiB
12x2.5 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 DDR4-2133
Controllers 1
Channels 4
ECC Support Yes
Max bandwidth 63.58 GiB/s
Bandwidth (single) 15.89 GiB/s
Bandwidth (dual) 31.79 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]

base frequency2,100 MHz (2.1 GHz, 2,100,000 kHz) +
bus links2 +
bus rate8,000 MT/s (8 GT/s, 8,000,000 kT/s) +
bus speed4,000 MHz (4 GHz, 4,000,000 kHz) +
bus typeQPI +
chipsetC610 Series +
clock multiplier21 +
core count12 +
core family6 +
core model4F +
core nameBroadwell EP +
core steppingM0 +
core voltage1.82 V (18.2 dV, 182 cV, 1,820 mV) +
cpuid406F1 +
designerIntel +
die area306.18 mm² (0.475 in², 3.062 cm², 306,180,000 µm²) +
familyXeon E5 +
first announcedJune 20, 2016 +
first launchedJune 20, 2016 +
full page nameintel/xeon e5/e5-4640 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 +, Turbo Boost Technology 2.0 +, Enhanced SpeedStep Technology +, Trusted Execution Technology +, Extended Page Tables + and Transactional Synchronization Extensions +
has intel enhanced speedstep technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
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% +
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$ description20-way set associative +
l3$ size30 MiB (30,720 KiB, 31,457,280 B, 0.0293 GiB) +
ldateJune 20, 2016 +
manufacturerIntel +
market segmentServer +
max case temperature353.15 K (80 °C, 176 °F, 635.67 °R) +
max cpu count4 +
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 numberE5-4640 v4 +
nameXeon E5-4640 v4 +
part numberCM8066002061701 +
platformGrantley EP 4S +
process14 nm (0.014 μm, 1.4e-5 mm) +
release price$ 2,837.00 (€ 2,553.30, £ 2,297.97, ¥ 293,147.21) +
s-specSR2SC +
s-spec (qs)QKSS +
seriesE5-4000 +
tdp105 W (105,000 mW, 0.141 hp, 0.105 kW) +
technologyCMOS +
thread count24 +
transistor count4,700,000,000 +
turbo frequency (1 core)2,600 MHz (2.6 GHz, 2,600,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +