Architektur Codename |
Cascade Lake |
Coffee Lake |
Startdatum |
7 Oct 2019 |
Q3'19 |
Einführungspreis (MSRP) |
$444 |
|
Platz in der Leistungsbewertung |
735 |
736 |
Processor Number |
W-2225 |
i7-8557U |
Serie |
Intel Xeon W Processor |
8th Generation Intel Core i7 Processors |
Status |
Launched |
Launched |
Vertikales Segment |
Workstation |
Mobile |
64-Bit-Unterstützung |
|
|
Base frequency |
4.10 GHz |
1.70 GHz |
L1 Cache |
256 KB |
|
L2 Cache |
4 MB |
|
L3 Cache |
8.25 MB |
|
Fertigungsprozesstechnik |
14 nm |
14 nm |
Maximale Kerntemperatur |
61°C |
100°C |
Maximale Frequenz |
4.60 GHz |
4.50 GHz |
Anzahl der Adern |
4 |
4 |
Number of QPI Links |
0 |
|
Anzahl der Gewinde |
8 |
8 |
Number of Ultra Path Interconnect (UPI) Links |
0 |
|
Bus Speed |
|
4 GT/s |
Maximale Speicherkanäle |
4 |
2 |
Maximale Speicherbandbreite |
93.85 GB/s |
37.5 GB/s |
Maximale Speichergröße |
1 TB |
32 GB |
Unterstützte Speichertypen |
DDR4 2933 |
DDR4-2400, LPDDR3-2133 |
Maximale Anzahl von CPUs in einer Konfiguration |
1 |
1 |
Package Size |
45mm x 52.5mm |
46x24 |
Unterstützte Sockel |
FCLGA2066 |
FCBGA1528 |
Thermische Designleistung (TDP) |
105 Watt |
15 Watt |
Maximale Anzahl von PCIe-Strecken |
48 |
16 |
PCI Express Revision |
3.0 |
3.0 |
PCIe configurations |
x4, x8, x16 |
1x4, 2x2, 1x2+2x1 and 4x1 |
Scalability |
1S Only |
|
Execute Disable Bit (EDB) |
|
|
Intel® Identity Protection Technologie |
|
|
Intel® Memory Protection Extensions (Intel® MPX) |
|
|
Intel® OS Guard |
|
|
Intel® Secure Key Technologie |
|
|
Intel® Software Guard Extensions (Intel® SGX) |
|
|
Intel® Trusted Execution Technologie (TXT) |
|
|
Secure Boot |
|
|
Enhanced Intel SpeedStep® Technologie |
|
|
Idle States |
|
|
Befehlssatzerweiterungen |
Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512 |
Intel SSE4.1, Intel SSE4.2, Intel AVX2 |
Intel 64 |
|
|
Intel® AES New Instructions |
|
|
Intel® Demand Based Switching |
|
|
Intel® Flex Memory Access |
|
|
Intel® Hyper-Threading Technologie |
|
|
Intel® Optane™ Memory Supported |
|
|
Intel® TSX-NI |
|
|
Intel® Turbo Boost Technologie |
|
|
Intel® Volume Management Device (VMD) |
|
|
Intel® vPro™ Platform Eligibility |
|
|
Number of AVX-512 FMA Units |
2 |
|
Physical Address Extensions (PAE) |
46-bit |
|
Speed Shift technology |
|
|
Thermal Monitoring |
|
|
Intel® My WiFi Technologie |
|
|
Intel® Stable Image Platform Program (SIPP) |
|
|
Intel® Virtualization Technology (VT-x) |
|
|
Intel® Virtualization Technology for Directed I/O (VT-d) |
|
|
Intel® VT-x with Extended Page Tables (EPT) |
|
|
Device ID |
|
0x3EA6 |
eDRAM |
|
128 MB |
Graphics base frequency |
|
300 MHz |
Graphics max dynamic frequency |
|
1.15 GHz |
Intel® Clear Video HD Technologie |
|
|
Intel® Clear Video Technologie |
|
|
Intel® InTru™ 3D-Technologie |
|
|
Intel® Quick Sync Video |
|
|
Maximaler Videospeicher |
|
32 GB |
Prozessorgrafiken |
|
Intel Iris Plus Graphics 645 |
DisplayPort |
|
|
DVI |
|
|
eDP |
|
|
HDMI |
|
|
Anzahl der unterstützten Anzeigen |
|
3 |
Unterstützung von 4K-Auflösungen |
|
|
Maximale Auflösung über DisplayPort |
|
4096x2304@60Hz |
Maximale Auflösung über eDP |
|
4096x2304@60Hz |
Maximale Auflösung über HDMI 1.4 |
|
4096x2304@30Hz |
DirectX |
|
12 |
OpenGL |
|
4.5 |