Intel Core i7-5820K | AMD Phenom II X4 805 | |
CPU comparisonIntel Core i7-5820K or AMD Phenom II X4 805 - 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 i7-5820K has 6 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Intel Core i7-5820K was released in Q3/2014. The AMD Phenom II X4 805 has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X4 805 was released in Q1/2009. |
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Intel Core i7 Extreme Edition (24) | Family | AMD Phenom II (52) |
Intel Core i 5000X (3) | CPU group | AMD Phenom II - 800/900 (23) |
5 | Generation | 4 |
Haswell E | Architecture | Deneb (K10) |
Desktop / Server | Segment | Desktop / Server |
Intel Core i7-4820K | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-5820K has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i7-5820K is 3.30 GHz (3.60 GHz) while the AMD Phenom II X4 805 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X4 805 is at 2.50 GHz. |
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Intel Core i7-5820K | Characteristic | AMD Phenom II X4 805 |
6 | Cores | 4 |
12 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.30 GHz | Frequency | 2.50 GHz |
3.60 GHz | Turbo Frequency (1 Core) | -- |
3.40 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i7-5820K can use up to 64 GB of memory in 4 memory channels. The maximum memory bandwidth is 68.2 GB/s. The AMD Phenom II X4 805 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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Intel Core i7-5820K | Characteristic | AMD Phenom II X4 805 |
DDR4-2133 | Memory | DDR3-1333, DDR2-1066 |
64 GB | Max. Memory | |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
68.2 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
15.00 MB | L3 Cache | 4.00 MB |
3.0 | PCIe version | -- |
28 | PCIe lanes | -- |
27.6 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-5820K is 140 W, while the AMD Phenom II X4 805 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-5820K | Characteristic | AMD Phenom II X4 805 |
140 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-5820K is manufactured in 22 nm and has 15.00 MB cache. The AMD Phenom II X4 805 is manufactured in 45 nm and has a 4.00 MB cache. |
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Intel Core i7-5820K | Characteristic | AMD Phenom II X4 805 |
22 nm | Technology | 45 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE3, SSE4a |
LGA 2011-3 | Socket | AM3 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2014 | Release date | Q1/2009 |
499 $ | Release price | -- |
show more data | show more data | |
Intel Core i7-5820K
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.40 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Intel Core i7-5820K
6C 12T @ 3.30 GHz |
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AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
Devices using this processor |
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Intel Core i7-5820K | AMD Phenom II X4 805 |
Unknown | Unknown |