Intel Core i7-8557U processor review
Core i7-8557U processor released by Intel; release date: Q3'19. The processor is designed for mobile-computers and based on Coffee Lake microarchitecture.
CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 4.50 GHz. Maximum operating temperature - 100°C. Manufacturing process technology - 14 nm.
Supported memory types: DDR4-2400, LPDDR3-2133. Maximum memory size: 32 GB.
Supported socket types: FCBGA1528. Maximum number of processors in a configuration - 1. Power consumption (TDP): 15 Watt.
The processor has integrated graphics Intel Iris Plus Graphics 645 with the following parameters: maximum video memory size - 32 GB.
Benchmarks
PassMark Single thread mark |
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PassMark CPU mark |
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GFXBench 4.0 Car Chase Offscreen |
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GFXBench 4.0 Car Chase Offscreen |
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Name | Value |
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PassMark - Single thread mark | 2326 |
PassMark - CPU mark | 7342 |
GFXBench 4.0 - Car Chase Offscreen | 3188 Frames |
GFXBench 4.0 - Car Chase Offscreen | 3188.000 Fps |
Integrated graphics – Intel Iris Plus Graphics 645
Technical info |
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Boost clock speed | 1150 MHz |
Core clock speed | 300 MHz |
Manufacturing process technology | 14 nm |
Pipelines | 48 |
Thermal Design Power (TDP) | 15 Watt |
Games performance
X-Plane 11.11 (2018)
Low, 1280x720 | 37.40 |
Medium, 1920x1080 | 26.10 |
High, 1920x1080 | 22.50 |
Dota 2 Reborn (2015)
Low, 1280x720 | 76.50 |
Medium, 1366x768 | 57.30 |
High, 1920x1080 | 29.00 |
Ultra, 1920x1080 | 26.90 |
BioShock Infinite (2013)
Low, 1280x720 | 104.60 |
Medium, 1366x768 | 60.00 |
High, 1366x768 | 51.60 |
Ultra, 1920x1080 | 22.10 |
Specifications (specs)
Essentials |
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Architecture codename | Coffee Lake |
Launch date | Q3'19 |
Place in performance rating | 850 |
Processor Number | i7-8557U |
Series | 8th Generation Intel Core i7 Processors |
Status | Launched |
Vertical segment | Mobile |
Performance |
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64 bit support | |
Base frequency | 1.70 GHz |
Bus Speed | 4 GT/s |
Manufacturing process technology | 14 nm |
Maximum core temperature | 100°C |
Maximum frequency | 4.50 GHz |
Number of cores | 4 |
Number of threads | 8 |
Memory |
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Max memory channels | 2 |
Maximum memory bandwidth | 37.5 GB/s |
Maximum memory size | 32 GB |
Supported memory types | DDR4-2400, LPDDR3-2133 |
Graphics |
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Device ID | 0x3EA6 |
eDRAM | 128 MB |
Graphics base frequency | 300 MHz |
Graphics max dynamic frequency | 1.15 GHz |
Intel® Clear Video HD technology | |
Intel® Clear Video technology | |
Intel® InTru™ 3D technology | |
Intel® Quick Sync Video | |
Max video memory | 32 GB |
Processor graphics | Intel Iris Plus Graphics 645 |
Graphics interfaces |
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DisplayPort | |
DVI | |
eDP | |
HDMI | |
Number of displays supported | 3 |
Graphics image quality |
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4K resolution support | |
Max resolution over DisplayPort | 4096x2304@60Hz |
Max resolution over eDP | 4096x2304@60Hz |
Max resolution over HDMI 1.4 | 4096x2304@30Hz |
Graphics API support |
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DirectX | 12 |
OpenGL | 4.5 |
Compatibility |
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Max number of CPUs in a configuration | 1 |
Package Size | 46x24 |
Sockets supported | FCBGA1528 |
Thermal Design Power (TDP) | 15 Watt |
Peripherals |
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Max number of PCIe lanes | 16 |
PCI Express revision | 3.0 |
PCIe configurations | 1x4, 2x2, 1x2+2x1 and 4x1 |
Security & Reliability |
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Execute Disable Bit (EDB) | |
Intel® Identity Protection technology | |
Intel® Memory Protection Extensions (Intel® MPX) | |
Intel® OS Guard | |
Intel® Secure Key technology | |
Intel® Software Guard Extensions (Intel® SGX) | |
Intel® Trusted Execution technology (TXT) | |
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | |
Idle States | |
Instruction set extensions | Intel SSE4.1, Intel SSE4.2, Intel AVX2 |
Intel 64 | |
Intel® AES New Instructions | |
Intel® Flex Memory Access | |
Intel® Hyper-Threading technology | |
Intel® My WiFi technology | |
Intel® Optane™ Memory Supported | |
Intel® Stable Image Platform Program (SIPP) | |
Intel® TSX-NI | |
Intel® Turbo Boost technology | |
Intel® vPro™ Platform Eligibility | |
Speed Shift technology | |
Thermal Monitoring | |
Virtualization |
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Intel® Virtualization Technology (VT-x) | |
Intel® Virtualization Technology for Directed I/O (VT-d) | |
Intel® VT-x with Extended Page Tables (EPT) |