Intel Core i7-7820X | Intel Xeon W-2255 | |
CPU comparisonIntel Core i7-7820X or Intel Xeon W-2255 - 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 i7-7820X has 8 cores with 16 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 i7-7820X was released in Q2/2017. The Intel Xeon W-2255 has 10 cores with 20 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 1024 GB of memory in 4 memory channels. The Intel Xeon W-2255 was released in Q4/2019. |
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Intel Core i7 (298) | Family | Intel Xeon W (83) |
Intel Core i 7000X (9) | CPU group | Intel Xeon W-2200/3200 (17) |
7 | Generation | 7 |
Skylake X | Architecture | Cascade Lake W |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Xeon W-2155 |
-- | Successor | Intel Xeon w5-2455X |
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CPU Cores and Base FrequencyThe Intel Core i7-7820X has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-7820X is 3.60 GHz (4.50 GHz) while the Intel Xeon W-2255 has 10 CPU cores and 20 threads can calculate simultaneously. The clock frequency of the Intel Xeon W-2255 is at 3.70 GHz (4.70 GHz). |
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Intel Core i7-7820X | Characteristic | Intel Xeon W-2255 |
8 | Cores | 10 |
16 | Threads | 20 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.60 GHz | Frequency | 3.70 GHz |
4.50 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
4.30 GHz | Turbo Frequency (All Cores) | 4.40 GHz |
Memory & PCIeThe Intel Core i7-7820X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The Intel Xeon W-2255 supports up to 1024 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 93.8 GB/s. |
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Intel Core i7-7820X | Characteristic | Intel Xeon W-2255 |
DDR4-2666 | Memory | DDR4-2933 |
128 GB | Max. Memory | 1024 GB |
4 (Quad Channel) | Memory channels | 4 (Quad Channel) |
85.4 GB/s | Max. Bandwidth | 93.8 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
11.00 MB | L3 Cache | 19.25 MB |
3.0 | PCIe version | 3.0 |
28 | PCIe lanes | 48 |
27.6 GB/s | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-7820X is 140 W, while the Intel Xeon W-2255 has a TDP of 165 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-7820X | Characteristic | Intel Xeon W-2255 |
140 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-7820X is manufactured in 14 nm and has 11.00 MB cache. The Intel Xeon W-2255 is manufactured in 14 nm and has a 19.25 MB cache. |
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Intel Core i7-7820X | Characteristic | Intel Xeon W-2255 |
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 2066 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2017 | Release date | Q4/2019 |
650 $ | Release price | 778 $ |
show more data | show more data | |
Intel Core i7-7820X
8C 16T @ 4.50 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 4.50 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 4.50 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 4.50 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 4.30 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Intel Core i7-7820X
8C 16T @ 3.60 GHz |
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Intel Xeon W-2255
10C 20T @ 3.70 GHz |
Devices using this processor |
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Intel Core i7-7820X | Intel Xeon W-2255 |
Unknown | Unknown |