Cache[edit]
- Main article:
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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.
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| L1$ |
256 KiB0.25 MiB 262,144 B 2.441406e-4 GiB |
| L1I$ |
128 KiB0.125 MiB 131,072 B 1.220703e-4 GiB |
4×32 KiB |
8-way set associative |
|
| L1D$ |
128 KiB0.125 MiB 131,072 B 1.220703e-4 GiB |
4×32 KiB |
8-way set associative |
write-back |
|
|
| L2$ |
1 MiB1,024 KiB 1,048,576 B 9.765625e-4 GiB |
| |
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4×256 KiB |
4-way set associative |
write-back |
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|
| L3$ |
6 MiB6,144 KiB 6,291,456 B 0.00586 GiB |
| |
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4×1.5 MiB |
12-way set associative |
write-back |
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Features[edit]
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Supported x86 Extensions & Processor Features
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| MMX |
MMX Extension |
| EMMX |
Extended MMX Extension |
| SSE |
Streaming SIMD Extensions |
| SSE2 |
Streaming SIMD Extensions 2 |
| SSE3 |
Streaming SIMD Extensions 3 |
| SSSE3 |
Supplemental SSE3 |
| SSE4.1 |
Streaming SIMD Extensions 4.1 |
| SSE4.2 |
Streaming SIMD Extensions 4.2 |
| SSE4a |
Streaming SIMD Extensions 4a |
| AVX |
Advanced Vector Extensions |
| AVX2 |
Advanced Vector Extensions 2 |
| ABM |
Advanced Bit Manipulation |
| BMI1 |
Bit Manipulation Instruction Set 1 |
| BMI2 |
Bit Manipulation Instruction Set 2 |
| FMA3 |
3-Operand Fused-Multiply-Add |
| AES |
AES Encryption Instructions |
| RdRand |
Hardware RNG |
| ADX |
Multi-Precision Add-Carry |
| CLMUL |
Carry-less Multiplication Extension |
| F16C |
16-bit Floating Point Conversion |
| x86-16 |
16-bit x86 |
| x86-32 |
32-bit x86 |
| x86-64 |
64-bit x86 |
| Real |
Real Mode |
| Protected |
Protected Mode |
| SMM |
System Management Mode |
| FPU |
Integrated x87 FPU |
| NX |
No-eXecute |
| HT |
Hyper-Threading |
| TBT 2.0 |
Turbo Boost Technology 2.0 |
| EIST |
Enhanced SpeedStep Technology |
| SST |
Speed Shift Technology |
| VT-x |
VT-x (Virtualization) |
| VT-d |
VT-d (I/O MMU virtualization) |
| EPT |
Extended Page Tables (SLAT) |
| MPX |
Memory Protection Extensions |
| SGX |
Software Guard Extensions |
| Secure Key |
Secure Key Technology |
| SMEP |
OS Guard Technology |
| Flex Memory |
Flex Memory Access |
| ISRT |
Smart Response Technology |
| MWT |
My WiFi Technology |
| IPT |
Identity Protection Technology |
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Характеристики
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| Название архитектуры |
Kaby Lake R |
| Дата выпуска |
21 August 2017 |
| Цена на дату первого выпуска |
$297 |
| Место в рейтинге |
566 |
| Processor Number |
i5-8250U |
| Серия |
8th Generation Intel Core i5 Processors |
| Status |
Launched |
| Применимость |
Mobile |
|
| Поддержка 64 bit |
|
| Base frequency |
1.60 GHz |
| Bus Speed |
4 GT/s OPI |
| Площадь кристалла |
123 mm |
| Кэш 1-го уровня |
256 KB |
| Кэш 2-го уровня |
1 MB |
| Кэш 3-го уровня |
6 MB |
| Технологический процесс |
14 nm |
| Максимальная температура корпуса (TCase) |
72 °C |
| Максимальная температура ядра |
100°C |
| Максимальная частота |
3.40 GHz |
| Количество ядер |
4 |
| Количество потоков |
8 |
|
|
|
| Максимальное количество каналов памяти |
2 |
| Максимальная пропускная способность памяти |
34.1 GB/s |
| Максимальный размер памяти |
32 GB |
| Поддерживаемые типы памяти |
DDR4-2400, LPDDR3-2133 |
|
| Device ID |
0x5917 |
| Graphics base frequency |
300 MHz |
| Graphics max dynamic frequency |
1.10 GHz |
| Технология Intel Clear Video HD |
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| Технология Intel Clear Video |
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| Intel Quick Sync Video |
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| Объем видеопамяти |
32 GB |
| Интегрированная графика |
Intel UHD Graphics 620 |
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| DisplayPort |
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| DVI |
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| eDP |
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| HDMI |
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| Максимально поддерживаемое количество мониторов |
3 |
|
| Поддержка разрешения 4K |
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| Максимальное разрешение через DisplayPort |
4096×2304@60Hz |
| Максимальное разрешение через eDP |
4096×2304@60Hz |
| Максимальное разрешение через HDMI 1.4 |
4096×2304@24Hz |
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| DirectX |
12 |
| OpenGL |
4.4 |
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| Configurable TDP-down |
10 W |
| Configurable TDP-down Frequency |
800 MHz |
| Configurable TDP-up |
25 W |
| Configurable TDP-up Frequency |
1.80 GHz |
| Low Halogen Options Available |
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| Максимальное количество процессоров в конфигурации |
1 |
| Package Size |
42mm X 24mm |
| Поддерживаемые сокеты |
FC-BGA1356 |
| Энергопотребление (TDP) |
15 Watt |
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| Количество линий PCI Express |
12 |
| Ревизия PCI Express |
3.0 |
| PCIe configurations |
1×4, 2×2, 1×2+2×1 and 4×1 |
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| Execute Disable Bit (EDB) |
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| Технология Intel Identity Protection |
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| Intel OS Guard |
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| Технология Intel Secure Key |
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| Intel Software Guard Extensions (Intel SGX) |
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| Технология Intel Trusted Execution (TXT) |
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| Технология Enhanced Intel SpeedStep |
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| Idle States |
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| Расширенные инструкции |
Intel SSE4.1, Intel SSE4.2, Intel AVX2 |
| Intel 64 |
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| Intel Advanced Vector Extensions (AVX) |
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| Intel AES New Instructions |
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| Intel Flex Memory Access |
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| Технология Intel Hyper-Threading |
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| Технология Intel My WiFi |
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| Intel Optane Memory Supported |
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| Технология Intel Smart Response |
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| Intel Stable Image Platform Program (SIPP) |
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| Intel TSX-NI |
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| Технология Intel Turbo Boost |
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| Intel vPro Platform Eligibility |
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| Speed Shift technology |
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| Thermal Monitoring |
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| AMD Virtualization (AMD-V) |
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| Intel Virtualization Technology (VT-x) |
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| Intel Virtualization Technology for Directed I/O (VT-d) |
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| Intel VT-x with Extended Page Tables (EPT) |
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Graphics[edit]
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Integrated Graphics Information
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| GPU |
UHD Graphics 620 |
| Designer |
Intel |
Device ID |
0x5917 |
| Execution Units |
24 |
Max Displays |
3 |
| Max Memory |
32 GiB32,768 MiB 33,554,432 KiB 34,359,738,368 B
|
| Frequency |
300 MHz0.3 GHz 300,000 KHz
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Burst Frequency |
1,100 MHz1.1 GHz 1,100,000 KHz
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| Output |
DisplayPort, Embedded DisplayPort, HDMI, DVI
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|
| Max Resolution |
| HDMI |
4096×2304 @24 Hz |
| DP |
4096×2304 @60 Hz |
| eDP |
4096×2304 @60 Hz |
|
|
| Standards |
| DirectX |
12 |
| OpenGL |
4.4 |
| OpenCL |
2.0 |
| DP |
1.2 |
| eDP |
1.4 |
| HDMI |
1.4a |
|
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| Additional Features |
| Intel Quick Sync Video
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| Intel InTru 3D
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| Intel Clear Video
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| Intel Clear Video HD
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| Kaby Lake (Gen9.5) Hardware Accelerated Video Capabilities
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| Codec |
Encode |
Decode
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| Profiles |
Levels |
Max Resolution |
Profiles |
Levels |
Max Resolution
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| MPEG-2 (H.262) |
Main |
High |
1080p (FHD) |
Main |
Main, High |
1080p (FHD)
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| MPEG-4 AVC (H.264) |
High, Main |
5.1 |
2160p (4K) |
Main, High, MVC, Stereo |
5.1 |
2160p (4K)
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| JPEG/MJPEG |
Baseline |
— |
16k x 16k |
Baseline |
Unified |
16k x 16k
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| HEVC (H.265) |
Main, Main 10 |
5.1 |
2160p (4K) |
Main, Main 10 |
5.1 |
2160p (4K)
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| VC-1 |
✘ |
Advanced, Main, Simple |
3, High, Simple |
3840×3840
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| VP8 |
Unified |
Unified |
N/A |
Unified |
1080p
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| VP9 |
|
2160p (4K) |
0, 2 |
Unified |
2160p (4K)
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Бенчмарки
| PassMarkSingle thread mark |
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| PassMarkCPU mark |
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| Geekbench 4Single Core |
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| Geekbench 4Multi-Core |
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| 3DMark Fire StrikePhysics Score |
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| CompuBench 1.5 DesktopFace Detection |
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| CompuBench 1.5 DesktopOcean Surface Simulation |
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| CompuBench 1.5 DesktopT-Rex |
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| CompuBench 1.5 DesktopVideo Composition |
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| CompuBench 1.5 DesktopBitcoin Mining |
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| GFXBench 4.0Car Chase Offscreen |
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| GFXBench 4.0Manhattan |
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| GFXBench 4.0T-Rex |
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| GFXBench 4.0Car Chase Offscreen |
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| GFXBench 4.0Manhattan |
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| GFXBench 4.0T-Rex |
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| Название |
Значение |
| PassMark — Single thread mark |
1941 |
| PassMark — CPU mark |
5941 |
| Geekbench 4 — Single Core |
770 |
| Geekbench 4 — Multi-Core |
2911 |
| 3DMark Fire Strike — Physics Score |
2652 |
| CompuBench 1.5 Desktop — Face Detection |
27.131 mPixels/s |
| CompuBench 1.5 Desktop — Ocean Surface Simulation |
280.161 Frames/s |
| CompuBench 1.5 Desktop — T-Rex |
1.755 Frames/s |
| CompuBench 1.5 Desktop — Video Composition |
19.947 Frames/s |
| CompuBench 1.5 Desktop — Bitcoin Mining |
30.385 mHash/s |
| GFXBench 4.0 — Car Chase Offscreen |
1688 Frames |
| GFXBench 4.0 — Manhattan |
3199 Frames |
| GFXBench 4.0 — T-Rex |
5401 Frames |
| GFXBench 4.0 — Car Chase Offscreen |
1688.000 Fps |
| GFXBench 4.0 — Manhattan |
3199.000 Fps |
| GFXBench 4.0 — T-Rex |
5401.000 Fps |
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