In depth comparison and review of Intel Core i9 9940X X-series (9th Gen) and Intel Core i9 10940X X-series (10th 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 Core i9 9940X X-series (9th Gen) | Intel Core i9 10940X X-series (10th Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 9940X X-series (9th Gen) | Intel Core i9 10940X X-series (10th Gen) |
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| Type | Intel Core i9 9940X X-series (9th Gen) | Intel Core i9 10940X X-series (10th Gen) |
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| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2066 Socket | LGA2066 Socket |
| Manufacturing Process | 14 nm | 14 nm |
| Thermal Design Power | 165 W | 165 W |
| Thermal Specification | 88 °C | 86 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Lanes Qty | 44 | 48 |
| Architecture Features | 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) | Enhanced SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, 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), Intel Deep Learning Boost (DL Boost) |
| PERFORMANCE |
|---|
| Number of Cores | 14-core | 14-core |
|---|---|---|
| Number of Threads | 28 threads | 28 threads |
| Clock Speed (Frequency) | 3.3 GHz | 3.3 GHz |
| Max Turbo Speed | 4.4 GHz | 4.8 GHz |
| CACHE MEMORY |
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| Cache | 19.25 MB | 19.25 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 19.25 MB | Smart Cache - 19.25 MB |
| MISCELLANEOUS | Intel Core i9 9940X X-series (9th Gen) | Intel Core i9 10940X X-series (10th Gen) |
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| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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