Intel Core i7-6900K | AMD Ryzen 9 5900X | |
CPU comparisonIntel Core i7-6900K or AMD Ryzen 9 5900X - 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 i7-6900K has 8 cores with 16 threads and clocks with a maximum frequency of 3.70 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-6900K was released in Q2/2016. The AMD Ryzen 9 5900X has 12 cores with 24 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 5900X was released in Q4/2020. |
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Intel Core i7 Extreme Edition (24) | Family | AMD Ryzen 9 (35) |
Intel Core i 6000 (24) | CPU group | AMD Ryzen 5000 (12) |
6 | Generation | 4 |
Skylake S | Architecture | Vermeer (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen 9 3900X |
-- | Successor | AMD Ryzen 9 7900X |
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CPU Cores and Base FrequencyThe Intel Core i7-6900K has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-6900K is 3.20 GHz (3.70 GHz) while the AMD Ryzen 9 5900X has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 5900X is at 3.70 GHz (4.80 GHz). |
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Intel Core i7-6900K | Characteristic | AMD Ryzen 9 5900X |
8 | Cores | 12 |
16 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.20 GHz | Frequency | 3.70 GHz |
3.70 GHz | Turbo Frequency (1 Core) | 4.80 GHz |
-- | Turbo Frequency (All Cores) | 4.50 GHz |
Memory & PCIeThe Intel Core i7-6900K can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 76.8 GB/s. The AMD Ryzen 9 5900X supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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Intel Core i7-6900K | Characteristic | AMD Ryzen 9 5900X |
DDR4-2400 | Memory | DDR4-3200 |
128 GB | Max. Memory | 128 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
76.8 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | 6.00 MB |
20.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 4.0 |
40 | PCIe lanes | 20 |
39.4 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-6900K is 140 W, while the AMD Ryzen 9 5900X has a TDP of 105 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-6900K | Characteristic | AMD Ryzen 9 5900X |
140 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | 142 W |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 90 °C |
Technical detailsThe Intel Core i7-6900K is manufactured in 14 nm and has 20.00 MB cache. The AMD Ryzen 9 5900X is manufactured in 7 nm and has a 70.00 MB cache. |
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Intel Core i7-6900K | Characteristic | AMD Ryzen 9 5900X |
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 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 2011-3 | Socket | AM4 (PGA 1331) |
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 |
Q2/2016 | Release date | Q4/2020 |
-- | Release price | 549 $ |
show more data | show more data | |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 3.70 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
Intel Core i7-6900K
3.20 GHz |
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AMD Ryzen 9 5900X
21,878 CB R23 MC @ 131 W |
Devices using this processor |
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Intel Core i7-6900K | AMD Ryzen 9 5900X |
Unknown | Unknown |