AMD Phenom II X4 805 | AMD EPYC 7401P | |
CPU comparisonAMD Phenom II X4 805 or AMD EPYC 7401P - 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 AMD Phenom II X4 805 has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 805 was released in Q1/2009. The AMD EPYC 7401P has 24 cores with 48 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7401P was released in Q3/2017. |
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AMD Phenom II (52) | Family | AMD EPYC (129) |
AMD Phenom II - 800/900 (23) | CPU group | AMD EPYC 7001 (12) |
4 | Generation | 1 |
Deneb (K10) | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 805 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Phenom II X4 805 is 2.50 GHz while the AMD EPYC 7401P has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7401P is at 2.00 GHz (3.00 GHz). |
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AMD Phenom II X4 805 | Characteristic | AMD EPYC 7401P |
4 | Cores | 24 |
4 | Threads | 48 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.50 GHz | Frequency | 2.00 GHz |
-- | Turbo Frequency (1 Core) | 3.00 GHz |
-- | Turbo Frequency (All Cores) | 2.80 GHz |
Memory & PCIeThe AMD Phenom II X4 805 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD EPYC 7401P supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s. |
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AMD Phenom II X4 805 | Characteristic | AMD EPYC 7401P |
DDR3-1333, DDR2-1066 | Memory | DDR4-2400, DDR4-2666 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
21.3 GB/s | Max. Bandwidth | 170.6 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 64.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Phenom II X4 805 is 95 W, while the AMD EPYC 7401P has a TDP of 170 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Phenom II X4 805 | Characteristic | AMD EPYC 7401P |
95 W | TDP (PL1 / PBP) | 170 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 805 is manufactured in 45 nm and has 4.00 MB cache. The AMD EPYC 7401P is manufactured in 14 nm and has a 64.00 MB cache. |
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AMD Phenom II X4 805 | Characteristic | AMD EPYC 7401P |
45 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM3 | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2009 | Release date | Q3/2017 |
-- | Release price | 1450 $ |
show more data | show more data | |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 3.00 GHz |
AMD Phenom II X4 805
4C 4T @ 2.50 GHz |
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AMD EPYC 7401P
24C 48T @ 2.80 GHz |
Devices using this processor |
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AMD Phenom II X4 805 | AMD EPYC 7401P |
Unknown | Unknown |