CPU comparison with benchmarks |
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CPU lineage |
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Intel Core i9-9940X or Intel Core i9-9940X – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-9940X features 14 processor cores and has the capability to manage 28 threads concurrently. It was released in Q4/2018 and belongs to the 9 generation of the Intel Core i9 series. To use the Intel Core i9-9940X, you'll need a motherboard with a LGA 2066 socket. The Intel Xeon w7-2475X features 20 processor cores and has the capability to manage 40 threads concurrently. It was released in Q1/2023 and belongs to the 12 generation of the Intel Xeon W series. To use the Intel Xeon w7-2475X, you'll need a motherboard with a LGA 4677 socket. |
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Intel Core i9 | Family | Intel Xeon W |
Desktop / Server | Segment | Desktop / Server |
Intel Core i9-9940X | Name | Intel Xeon w7-2475X |
Intel Core i 9000X | Group | Intel Xeon W-2400 |
9 | Generation | 12 |
CPU Cores and Base Frequency |
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The Intel Core i9-9940X has 14 CPU cores and can calculate 28 threads in parallel.
The clock frequency of the Intel Core i9-9940X is 3.3 GHz and turbo frequency for one core is 4.5 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator. The Intel Xeon w7-2475X has 20 CPU cores and can calculate 40 threads in parallel. The clock frequency of the Intel Xeon w7-2475X is 2.6 GHz and turbo frequency for one core is 4.8 GHz. |
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14x | Cores | 20x |
3.3 GHz | Frequency | 2.6 GHz |
14 | CPU Cores | 20 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking | Yes |
28 | Threads | 40 |
4.5 GHz | Turbo Frequency (1 core) | 4.8 GHz |
Internal Graphics |
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The Intel Core i9-9940X does not have integrated graphics.
The Intel Xeon w7-2475X does not have integrated graphics. |
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-- | GPU (Turbo) | -- |
-- | Release date | -- |
-- | Execution units | -- |
-- | Direct X | -- |
-- | Max. displays | -- |
-- | Shaders | -- |
GPU name | ||
-- | GPU frequency | -- |
0 bytes | Max. GPU Memory | 0 bytes |
-- | Generation | -- |
-- | Technology | -- |
Artificial Intelligence and Machine Learning |
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-- | AI specifications | -- |
-- | AI hardware | -- |
Hardware codec support |
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A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
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-- | VP8 | -- |
-- | VP9 | -- |
-- | AVC | -- |
-- | h264 | -- |
-- | JPEG | -- |
-- | VC-1 | -- |
-- | AV1 | -- |
-- | h265 / HEVC (8 bit) | -- |
-- | h265 / HEVC (10 bit) | -- |
Memory & PCIe |
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The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 2.0 TB distributed across 4 memory channels. It offers a peak memory bandwidth of 153.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance. |
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Yes | AES-NI | Yes |
128.0 GB | Max. Memory | 2.0 TB |
42.7 GB/s | Bandwidth | 153.6 GB/s |
DDR4-2666 | Memory type | DDR5-4800 |
pci | PCIe | pci |
4 | Memory channels | 4 |
No | ECC | Yes |
Thermal Management |
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The processor has a thermal design power (TDP) of 165 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 225 W watts. |
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None | TDP up | 270 W |
165 W | TDP (PL1 / PBP) | 225 W |
92 °C | Tjunction max | 94 °C |
Technical details |
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The Intel Core i9-9940X is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 19.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The Intel Xeon w7-2475X is manufactured using a 10 nm process. In total, this processor boasts a generous 37.5 MB cache. |
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Technical data sheet | Documents | Technical data sheet |
Q4/2018 | Release date | Q1/2023 |
LGA 2066 | Socket | LGA 4677 |
0 bytes | L2-Cache | 0 bytes |
19.0 MB | L3-Cache | 37.5 MB |
Windows 10, Linux, Windows 11 | Operating systems | Linux, Windows 11, Windows Server |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | Part Number | -- |
Skylake X Refresh | Architecture | Sapphire Rapids-WS |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d, VT-rp, vPro Enterprise |
1387 $ | Release price | 1789 $ |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512, AMX |
Monolithic | Chip design | Monolithic |
14 nm | Technology | 10 nm |