Intel Core i9-9940X | Intel Xeon Silver 4209T | |
CPU comparisonIntel Core i9-9940X or Intel Xeon Silver 4209T - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i9-9940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.50 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-9940X was released in Q4/2018. The Intel Xeon Silver 4209T has 8 cores with 16 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 1024 GB of memory in 6 memory channels. The Intel Xeon Silver 4209T was released in Q2/2019. |
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Intel Core i9 (78) | Family | Intel Xeon Silver (32) |
Intel Core i 9000X (8) | CPU group | Intel Xeon Silver 4200 (11) |
9 | Generation | 2 |
Skylake X Refresh | Architecture | Cascade Lake |
Desktop / Server | Segment | Desktop / Server |
Intel Core i9-7940X | Predecessor | Intel Xeon Silver 4109T |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-9940X is a 14 core processor with a clock frequency of 3.30 GHz (4.50 GHz). The Intel Xeon Silver 4209T has 8 CPU cores with a clock frequency of 2.20 GHz (3.20 GHz). |
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Intel Core i9-9940X | Characteristic | Intel Xeon Silver 4209T |
14 | Cores | 8 |
28 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.30 GHz | Frequency | 2.20 GHz |
4.50 GHz | Turbo Frequency (1 Core) | 3.20 GHz |
4.20 GHz | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeThe Intel Core i9-9940X supports a maximum of 128 GB of memory in 4 memory channels. The Intel Xeon Silver 4209T can connect up to 1024 GB of memory in 6 memory channels. |
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Intel Core i9-9940X | Characteristic | Intel Xeon Silver 4209T |
DDR4-2666 | Memory | DDR4-2400 |
128 GB | Max. Memory | 1024 GB |
4 (Quad Channel) | Memory channels | 6 (Hexa Channel) |
85.4 GB/s | Max. Bandwidth | 115.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
19.00 MB | L3 Cache | 11.00 MB |
3.0 | PCIe version | 3.0 |
44 | PCIe lanes | 48 |
43.3 GB/s | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-9940X has a TDP of 165 W, that of the Intel Xeon Silver 4209T is 70 W. |
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Intel Core i9-9940X | Characteristic | Intel Xeon Silver 4209T |
165 W | TDP (PL1 / PBP) | 70 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
92 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-9940X has a 19.00 MB cache, while the Intel Xeon Silver 4209T cache has a total of 11.00 MB. |
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Intel Core i9-9940X | Characteristic | Intel Xeon Silver 4209T |
14 nm | Technology | 14 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
LGA 2066 | Socket | LGA 3647 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q4/2018 | Release date | Q2/2019 |
1387 $ | Release price | 501 $ |
show more data | show more data | |
Intel Core i9-9940X
14C 28T @ 4.50 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 3.20 GHz |
Intel Core i9-9940X
14C 28T @ 4.20 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 2.40 GHz |
Intel Core i9-9940X
14C 28T @ 4.20 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 2.40 GHz |
Intel Core i9-9940X
14C 28T @ 4.50 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 3.20 GHz |
Intel Core i9-9940X
14C 28T @ 4.20 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 2.40 GHz |
Intel Core i9-9940X
14C 28T @ 4.50 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 3.20 GHz |
Intel Core i9-9940X
14C 28T @ 4.20 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 2.40 GHz |
Intel Core i9-9940X
14C 28T @ 4.50 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 3.20 GHz |
Intel Core i9-9940X
14C 28T @ 4.20 GHz |
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Intel Xeon Silver 4209T
8C 16T @ 2.40 GHz |
Devices using this processor |
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Intel Core i9-9940X | Intel Xeon Silver 4209T |
Unknown | Unknown |