In depth comparison and review of Intel Xeon E5-2665 and Intel Core i9 7900X X-series (7th 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 E5-2665 | Intel Core i9 7900X X-series (7th Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2665 | Intel Core i9 7900X X-series (7th Gen) |
|---|
| Type | Intel Xeon E5-2665 | Intel Core i9 7900X X-series (7th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA2066 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 115 W | 140 W |
| Thermal Specification | 81.8 °C | - |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Lanes Qty | 40 | 44 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, 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 | 8-core | 10-core |
|---|---|---|
| Number of Threads | 16 threads | 20 threads |
| Clock Speed (Frequency) | 2.4 GHz | 3.3 GHz |
| Max Turbo Speed | 3.1 GHz | 4.3 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 13.75 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 20 MB | L3 - 13.75 MB |
| Installed Size | 20 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2665 | Intel Core i9 7900X X-series (7th Gen) |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2665 | Intel Core i9 7900X X-series (7th Gen) |
|---|
| Included Accessories | Passive heatsink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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