In depth comparison and review of Intel Xeon X5660 and Intel Core i9 9900X X-series (9th Gen). Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
| GENERAL | Intel Xeon X5660 | Intel Core i9 9900X X-series (9th Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon X5660 | Intel Core i9 9900X X-series (9th Gen) |
|---|
| Type | Intel Xeon X5660 | Intel Core i9 9900X X-series (9th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | LGA2066 Socket |
| Core Voltage | 1.3 V | - |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 95 W | 165 W |
| Thermal Specification | 81.3 °C | 92 °C |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 44 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512) |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | 10-core |
|---|---|---|
| Number of Threads | 12 threads | 20 threads |
| Clock Speed (Frequency) | 2.8 GHz | 3.5 GHz |
| Max Turbo Speed | 3.2 GHz | 4.4 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 19.25 MB |
|---|---|---|
| Cache Level 1 Size | 384 KB | - |
| Cache Memory Details | L3 - 12 MB L2 - 1 MB |
Smart Cache - 19 MB |
| Installed Size | 12 MB | - |
| RAM |
|---|
| Max Supported Size | 288 GB | - |
|---|---|---|
| Technology | DDR3 SDRAM | - |
| EXPANSION & CONNECTIVITY | Intel Xeon X5660 | Intel Core i9 9900X X-series (9th Gen) |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon X5660 | Intel Core i9 9900X X-series (9th Gen) |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year - on-site | Limited warranty - 3 years |
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