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Core i7-8705G - Intel
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Core i7-8705G
kaby lake g (front).png
Package front
General Info
DesignerIntel
ManufacturerIntel, GlobalFoundries
Model Numberi7-8705G
MarketMobile
IntroductionJanuary 7, 2018 (announced)
January 7, 2018 (launched)
ShopAmazon
General Specs
FamilyCore i7
Seriesi7-8000
LockedYes
Frequency3,100 MHz
Turbo Frequency4,100 MHz (1 core),
3,900 MHz (2 cores),
3,700 MHz (4 cores)
Bus typeDMI 3.0
Bus rate4 × 8 GT/s
Clock multiplier31
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureKaby Lake
PlatformKaby Lake
ChipsetSunrise Point, Union Point
Core NameKaby Lake G
Core Family6
Process14 nm
TechnologyCMOS
Word Size64 bit
Cores4
Threads8
Max Memory64 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
TDP65 W

Core i7-8705G is a 64-bit quad-core high-end performance x86 mobile microprocessor introduced by Intel in early 2018. This processor, which is based on the Kaby Lake microarchitecture, is manufactured on Intel's improved 14nm+ process. The i7-8705G operates at 3.1 GHz with a TDP of 65 W and a Turbo Boost frequency of up to 4.1 GHz. This MPU supports up to 64 GiB of dual-channel DDR4-2400 memory and incorporates Intel's HD Graphics 630 IGP operating at 350 MHz with a burst frequency of 1.1 GHz. Additionally, this processor also incorporates a discrete Radeon RX Vega M GL GPU operating at up to 1.011 GHz with its own 4 GiB of high-bandwidth memory operating at 700 MHz.


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[edit]

Main article: Kaby Lake § 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 MiB16-way set associativewrite-back

Memory controller[edit]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR3L-1600, DDR4-2400
Supports ECCNo
Max Mem64 GiB
Controllers1
Channels2
Max Bandwidth35.76 GiB/s
36,618.24 MiB/s
38.397 GB/s
38,397.008 MB/s
0.0349 TiB/s
0.0384 TB/s
Bandwidth
Single 17.88 GiB/s
Double 35.76 GiB/s

HBM 2[edit]

This processor also incorporates 4 GiB of high-bandwidth memory 2 which are tightly connected to the GPU via Intel's EMIB. This HBM is 1,024-bit wide and operates at 700 MHz.

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeHBM2
Max Mem4 GiB
Frequency700 MHz
Width1,024 bit
Max Bandwidth166.9 GiB/s
170,905.6 MiB/s
179.208 GB/s
179,207.51 MB/s
0.163 TiB/s
0.179 TB/s

Expansions[edit]

This processor has 16 PCIe lanes, however 8x of them are taken for the discrete GPU, leaving 8x more for general purpose.

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIeRevision: 3.0
Max Lanes: 8
Configuration: x8, x4


Graphics[edit]

This processor has two graphics processors:

Note that both GPUs are enabled and both can be operated independently.

Integrated graphics[edit]

[Edit/Modify IGP Info]

screen icon.svg
Integrated Graphics Information
GPUHD Graphics 630
DesignerIntelDevice ID0x5912
Execution Units24Max 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 Frequency1,100 MHz
1.1 GHz
1,100,000 KHz
OutputDP, eDP, HDMI, DVI

Max Resolution
HDMI4096x2304 @24 Hz
DP4096x2304 @60 Hz
eDP4096x2304 @60 Hz

Standards
DirectX12
OpenGL4.4
OpenCL2.0
DP1.2
eDP1.4
HDMI1.4a

Additional Features
Intel Quick Sync Video
Intel InTru 3D
Intel Clear Video
Intel Clear Video HD

Discrete graphics[edit]

This processor also has a Radeon RX Vega M GL with a peak performance of 2.6 TFLOPS.

[Edit/Modify IGP Info]

screen icon.svg
Integrated Graphics Information
GPURadeon RX Vega M GL
DesignerAMD
Execution Units20Max Displays6
Unified Shaders1,280
Max Memory4 GiB
4,096 MiB
4,194,304 KiB
4,294,967,296 B
Frequency931 MHz
0.931 GHz
931,000 KHz
Burst Frequency1,011 MHz
1.011 GHz
1,011,000 KHz
OutputDP, HDMI

Max Resolution
HDMI4096x2304 @60 Hz
DP4096x2304 @60 Hz

Standards
DP1.4
HDMI2.0b

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
VT-xVT-x (Virtualization)
VT-dVT-d (I/O MMU virtualization)
TSXTransactional Synchronization Extensions
MPXMemory Protection Extensions
SGXSoftware Guard Extensions
Secure KeySecure Key Technology
SMEPOS Guard Technology
IPTIdentity Protection Technology
Facts about "Core i7-8705G - Intel"
Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
Core i7-8705G - Intel#pcie +
base frequency3,100 MHz (3.1 GHz, 3,100,000 kHz) +
bus links4 +
bus rate8,000 MT/s (8 GT/s, 8,000,000 kT/s) +
bus typeDMI 3.0 +
chipsetSunrise Point + and Union Point +
clock multiplier31 +
core count4 +
core family6 +
core nameKaby Lake G +
designerIntel +
device id0x5912 +
familyCore i7 +
first announcedJanuary 7, 2018 +
first launchedJanuary 7, 2018 +
full page nameintel/core i7/i7-8705g +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has ecc memory supportfalse +
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 +, Intel VT-x +, Intel VT-d +, Transactional Synchronization Extensions +, Memory Protection Extensions +, Software Guard Extensions +, Secure Key Technology +, OS Guard + and Identity Protection Technology +
has intel enhanced speedstep technologytrue +
has intel identity protection technology supporttrue +
has intel secure key technologytrue +
has intel supervisor mode execution protectiontrue +
has intel turbo boost technology 2 0true +
has intel vt-d technologytrue +
has intel vt-x technologytrue +
has locked clock multipliertrue +
has simultaneous multithreadingtrue +
has transactional synchronization extensionstrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
integrated gpuHD Graphics 630 + and Radeon RX Vega M GL +
integrated gpu base frequency350 MHz (0.35 GHz, 350,000 KHz) + and 931 MHz (0.931 GHz, 931,000 KHz) +
integrated gpu designerIntel + and AMD +
integrated gpu execution units24 + and 20 +
integrated gpu max frequency1,100 MHz (1.1 GHz, 1,100,000 KHz) + and 1,011 MHz (1.011 GHz, 1,011,000 KHz) +
integrated gpu max memory65,536 MiB (67,108,864 KiB, 68,719,476,736 B, 64 GiB) + and 4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB) +
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$ description16-way set associative +
l3$ size8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
ldate3000 +
main imageFile:kaby lake g (front).png +
main image captionPackage front +
manufacturerIntel + and GlobalFoundries +
market segmentMobile +
max cpu count1 +
max memory65,536 MiB (67,108,864 KiB, 68,719,476,736 B, 64 GiB, 0.0625 TiB) +
max memory bandwidth35.76 GiB/s (36,618.24 MiB/s, 38.397 GB/s, 38,397.008 MB/s, 0.0349 TiB/s, 0.0384 TB/s) + and 166.9 GiB/s (170,905.6 MiB/s, 179.208 GB/s, 179,207.51 MB/s, 0.163 TiB/s, 0.179 TB/s) +
max memory channels2 +
microarchitectureKaby Lake +
model numberi7-8705G +
nameCore i7-8705G +
platformKaby Lake +
process14 nm (0.014 μm, 1.4e-5 mm) +
seriesi7-8000 +
smp max ways1 +
supported memory typeDDR3L-1600 +, DDR4-2400 + and HBM2 +
tdp65 W (65,000 mW, 0.0872 hp, 0.065 kW) +
technologyCMOS +
thread count8 +
turbo frequency (1 core)4,100 MHz (4.1 GHz, 4,100,000 kHz) +
turbo frequency (2 cores)3,900 MHz (3.9 GHz, 3,900,000 kHz) +
turbo frequency (4 cores)3,700 MHz (3.7 GHz, 3,700,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +
x86/has memory protection extensionstrue +
x86/has software guard extensionstrue +