Intel Core i7-7800X | AMD Ryzen Threadripper PRO 3945WX | |
CPU comparisonIntel Core i7-7800X or AMD Ryzen Threadripper PRO 3945WX - 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 i7-7800X has 6 cores with 12 threads and clocks with a maximum frequency of 4.20 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-7800X was released in Q2/2017. The AMD Ryzen Threadripper PRO 3945WX has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 2048 GB of memory in 8 memory channels. The AMD Ryzen Threadripper PRO 3945WX was released in Q1/2021. |
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Intel Core i7 (298) | Family | AMD Ryzen Threadripper PRO (15) |
Intel Core i 7000X (9) | CPU group | AMD Ryzen Threadripper PRO 3000 (4) |
7 | Generation | 3 |
Skylake X | Architecture | Castle Peak (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen Threadripper PRO 5945WX |
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CPU Cores and Base FrequencyThe Intel Core i7-7800X is a 6 core processor with a clock frequency of 3.50 GHz (4.20 GHz). The AMD Ryzen Threadripper PRO 3945WX has 12 CPU cores with a clock frequency of 4.00 GHz (4.30 GHz). |
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Intel Core i7-7800X | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
6 | Cores | 12 |
12 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.50 GHz | Frequency | 4.00 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
3.90 GHz | Turbo Frequency (All Cores) | 4.20 GHz |
Memory & PCIeThe Intel Core i7-7800X supports a maximum of 128 GB of memory in 4 memory channels. The AMD Ryzen Threadripper PRO 3945WX can connect up to 2048 GB of memory in 8 memory channels. |
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Intel Core i7-7800X | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
DDR4-2400 | Memory | DDR4-3200 |
128 GB | Max. Memory | 2048 GB |
4 (Quad Channel) | Memory channels | 8 (Octa Channel) |
76.8 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | 6.00 MB |
8.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 4.0 |
28 | PCIe lanes | 128 |
27.6 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-7800X has a TDP of 140 W, that of the AMD Ryzen Threadripper PRO 3945WX is 280 W. |
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Intel Core i7-7800X | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
140 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe Intel Core i7-7800X has a 8.00 MB cache, while the AMD Ryzen Threadripper PRO 3945WX cache has a total of 70.00 MB. |
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Intel Core i7-7800X | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
14 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 2066 | Socket | WRX8 (sWRX8) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2017 | Release date | Q1/2021 |
485 $ | Release price | -- |
show more data | show more data | |
Intel Core i7-7800X
6C 12T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
Intel Core i7-7800X
6C 12T @ 3.90 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
Intel Core i7-7800X
6C 12T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
Intel Core i7-7800X
6C 12T @ 3.90 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
Intel Core i7-7800X
6C 12T @ 3.90 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
Intel Core i7-7800X
6C 12T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
Intel Core i7-7800X
6C 12T @ 3.90 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
Intel Core i7-7800X
6C 12T @ 3.50 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.00 GHz |
Intel Core i7-7800X
6C 12T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
Intel Core i7-7800X
6C 12T @ 3.90 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
Devices using this processor |
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Intel Core i7-7800X | AMD Ryzen Threadripper PRO 3945WX |
Unknown | Unknown |