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Latest revision as of 15:23, 13 December 2017

Edit Values
Core i7-6785R
General Info
DesignerIntel
ManufacturerIntel
Model Numberi7-6785R
MarketDesktop
IntroductionApril 22, 2016 (announced)
April 22, 2016 (launched)
Release Price$370
ShopAmazon
General Specs
FamilyCore i7
Seriesi7-6000
LockedYes
Frequency3,300 MHz
Turbo Frequency3,900 MHz (1 core)
Bus typeDMI 3.0
Bus rate4 × 8 GT/s
Clock multiplier33
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureSkylake
Core NameSkylake H
Core Family6
Core Model94
Core SteppingN0
Process14 nm
TechnologyCMOS
MCPYes (2 dies)
Word Size64 bit
Cores4
Threads8
Max Memory64 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Vcore0.55 V-1.52 V
TDP65 W
Tjunction0 °C – 100 °C
Tstorage-25 °C – 125 °C
Packaging
PackageFCBGA-1440 (BGA)
Dimension42 mm x 28 mm x 1.49 mm
Pitch0.65 mm
Ball Count1440
Ball CompSAC405
InterconnectBGA-1440

Core i7-6785R is a 64-bit quad-core x86 high-end performance desktop microprocessor introduced by Intel in early 2016. The i7-6785R, which is based on the Skylake microarchitecture and is fabricated on a 14 nm process, has a base frequency of 3.3 GHz and a turbo boost frequency of up to 3.9 GHz with a TDP of 65 W. This processor incorporates the Iris Pro Graphics 580 integrated graphics operating at 350 MHz with a turbo frequency of 1.15 GHz and incorporating 128 MiB of eDRAM on-package. This model supports 64 GiB of dual-channel DDR4-2133 memory.

Note that while being sold as a desktop part, this chip is still a Skylake H part which uses an FCBGA-1440 package which is soldered on the motherboard and cannot be replaced or upgraded like the rest of the mainstream desktop Skylake modes which use FCLGA-1151.

Cache[edit]

Main article: Skylake § 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$256 KiB
262,144 B
0.25 MiB
L1I$128 KiB
131,072 B
0.125 MiB
4x32 KiB8-way set associative 
L1D$128 KiB
131,072 B
0.125 MiB
4x32 KiB8-way set associativewrite-back
L2$1 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
  4x256 KiB4-way set associativewrite-back
L3$8 MiB
8,192 KiB
8,388,608 B
0.00781 GiB
  4x2 MiB write-back
L4$128 MiB
131,072 KiB
134,217,728 B
0.125 GiB
     

Memory controller[edit]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeLPDDR3-1866, DDR3L-1600, DDR4-2133
Supports ECCNo
Max Mem64 GiB
Controllers1
Channels2
Max Bandwidth31.79 GiB/s
32,552.96 MiB/s
34.134 GB/s
34,134.253 MB/s
0.031 TiB/s
0.0341 TB/s
Bandwidth
Single 15.89 GiB/s
Double 31.79 GiB/s

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision3.0
Max Lanes16
Configs1x16, 2x8, 1x8+2x4


Graphics[edit]

This integrated graphics includes an additional 128 MiB of eDRAM on-chip.

[Edit/Modify IGP Info]

screen icon.svg
Integrated Graphics Information
GPUIris Pro Graphics 580
DesignerIntelDevice ID0x193B
Execution Units72Max Displays3
Max Memory64 GiB
65,536 MiB
67,108,864 KiB
68,719,476,736 B
Frequency350 MHz
0.35 GHz
350,000 KHz
Burst Frequency1,150 MHz
1.15 GHz
1,150,000 KHz
OutputDP, eDP, HDMI, DVI
Max Resolution
HDMI4096x2304 @24 Hz
DP4096x2304 @60 Hz
eDP4096x2304 @60 Hz
Standards
DirectX12
OpenGL4.4
OpenCL2.0
DP1.2
eDP1.3
HDMI1.4a
Additional Features
Intel Quick Sync Video
Intel Clear Video HD

Features[edit]

[Edit/Modify Supported Features]

Cog-icon-grey.svg
Supported x86 Extensions & Processor Features
MMXMMX Extension
EMMXExtended MMX Extension
SSEStreaming SIMD Extensions
SSE2Streaming SIMD Extensions 2
SSE3Streaming SIMD Extensions 3
SSSE3Supplemental SSE3
SSE4.1Streaming SIMD Extensions 4.1
SSE4.2Streaming SIMD Extensions 4.2
AVXAdvanced Vector Extensions
AVX2Advanced Vector Extensions 2
ABMAdvanced Bit Manipulation
BMI1Bit Manipulation Instruction Set 1
BMI2Bit Manipulation Instruction Set 2
FMA33-Operand Fused-Multiply-Add
AESAES Encryption Instructions
RdRandHardware RNG
ADXMulti-Precision Add-Carry
CLMULCarry-less Multiplication Extension
F16C16-bit Floating Point Conversion
x86-1616-bit x86
x86-3232-bit x86
x86-6464-bit x86
RealReal Mode
ProtectedProtected Mode
SMMSystem Management Mode
FPUIntegrated x87 FPU
NXNo-eXecute
HTHyper-Threading
TBT 2.0Turbo Boost Technology 2.0
EISTEnhanced SpeedStep Technology
TXTTrusted Execution Technology (SMX)
VT-xVT-x (Virtualization)
VT-dVT-d (I/O MMU virtualization)
EPTExtended Page Tables (SLAT)
TSXTransactional Synchronization Extensions
MPXMemory Protection Extensions
SGXSoftware Guard Extensions
Secure KeySecure Key Technology
SMEPOS Guard Technology
ISRTSmart Response Technology
Retrieved from "https://en.wikichip.org/w/index.php?title=intel/core_i7/i7-6785r&oldid=70772"
Facts about "Core i7-6785R - Intel"
RDF feed
Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
Core i7-6785R - Intel#package + and Core i7-6785R - Intel#io +
base frequency3,300 MHz (3.3 GHz, 3,300,000 kHz) +
bus links4 +
bus rate8,000 MT/s (8 GT/s, 8,000,000 kT/s) +
bus typeDMI 3.0 +
clock multiplier33 +
core count4 +
core family6 +
core model94 +
core nameSkylake H +
core steppingN0 +
core voltage (max)1.52 V (15.2 dV, 152 cV, 1,520 mV) +
core voltage (min)0.55 V (5.5 dV, 55 cV, 550 mV) +
designerIntel +
device id0x193B +
die count2 +
familyCore i7 +
first announcedApril 22, 2016 +
first launchedApril 22, 2016 +
full page nameintel/core i7/i7-6785r +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has ecc memory supportfalse +
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 +, Intel VT-x +, Intel VT-d +, Extended Page Tables +, Transactional Synchronization Extensions +, Memory Protection Extensions +, Software Guard Extensions +, Secure Key Technology +, OS Guard + and Smart Response Technology +
has intel enhanced speedstep technologytrue +
has intel secure key technologytrue +
has intel smart response technology supporttrue +
has intel supervisor mode execution protectiontrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 2 0true +
has intel vt-d technologytrue +
has intel vt-x 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 +
integrated gpuIris Pro Graphics 580 +
integrated gpu base frequency350 MHz (0.35 GHz, 350,000 KHz) +
integrated gpu designerIntel +
integrated gpu execution units72 +
integrated gpu max frequency1,150 MHz (1.15 GHz, 1,150,000 KHz) +
integrated gpu max memory65,536 MiB (67,108,864 KiB, 68,719,476,736 B, 64 GiB) +
is multi-chip packagetrue +
isax86-64 +
isa familyx86 +
l1$ size256 KiB (262,144 B, 0.25 MiB) +
l1d$ description8-way set associative +
l1d$ size128 KiB (131,072 B, 0.125 MiB) +
l1i$ description8-way set associative +
l1i$ size128 KiB (131,072 B, 0.125 MiB) +
l2$ description4-way set associative +
l2$ size1 MiB (1,024 KiB, 1,048,576 B, 9.765625e-4 GiB) +
l3$ size8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
l4$ size128 MiB (131,072 KiB, 134,217,728 B, 0.125 GiB) +
ldateApril 22, 2016 +
manufacturerIntel +
market segmentDesktop +
max cpu count1 +
max junction temperature373.15 K (100 °C, 212 °F, 671.67 °R) +
max memory65,536 MiB (67,108,864 KiB, 68,719,476,736 B, 64 GiB, 0.0625 TiB) +
max memory bandwidth31.79 GiB/s (32,552.96 MiB/s, 34.134 GB/s, 34,134.253 MB/s, 0.031 TiB/s, 0.0341 TB/s) +
max memory channels2 +
max pcie lanes16 +
max storage temperature398.15 K (125 °C, 257 °F, 716.67 °R) +
microarchitectureSkylake +
min junction temperature273.15 K (0 °C, 32 °F, 491.67 °R) +
min storage temperature248.15 K (-25 °C, -13 °F, 446.67 °R) +
model numberi7-6785R +
nameCore i7-6785R +
packageFCBGA-1440 +
process14 nm (0.014 μm, 1.4e-5 mm) +
release price$ 370.00 (€ 333.00, £ 299.70, ¥ 38,232.10) +
seriesi7-6000 +
smp max ways1 +
supported memory typeLPDDR3-1866 +, DDR3L-1600 + and DDR4-2133 +
tdp65 W (65,000 mW, 0.0872 hp, 0.065 kW) +
technologyCMOS +
thread count8 +
turbo frequency (1 core)3,900 MHz (3.9 GHz, 3,900,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +
x86/has memory protection extensionstrue +
x86/has software guard extensionstrue +