![]() |
![]() |
![]() |
AMD Phenom II X4 955 | AMD EPYC Embedded 3451 | |
CPU comparisonAMD Phenom II X4 955 or AMD EPYC Embedded 3451 - 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 955 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 955 was released in Q2/2009. The AMD EPYC Embedded 3451 has 16 cores with 32 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 1024 GB of memory in 4 memory channels. The AMD EPYC Embedded 3451 was released in Q1/2018. |
||
AMD Phenom II (52) | Family | AMD EPYC (129) |
AMD Phenom II - 800/900 (23) | CPU group | AMD EPYC Embedded 3000 (7) |
4 | Generation | 1 |
Deneb (K10) | Architecture | Snowy Owl (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD Phenom II X4 955 is a 4 core processor with a clock frequency of 3.20 GHz. The AMD EPYC Embedded 3451 has 16 CPU cores with a clock frequency of 2.14 GHz (3.00 GHz). |
||
AMD Phenom II X4 955 | Characteristic | AMD EPYC Embedded 3451 |
4 | Cores | 16 |
4 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.20 GHz | Frequency | 2.14 GHz |
-- | Turbo Frequency (1 Core) | 3.00 GHz |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Phenom II X4 955 supports a maximum of GB of memory in 2 memory channels. The AMD EPYC Embedded 3451 can connect up to 1024 GB of memory in 4 memory channels. |
||
AMD Phenom II X4 955 | Characteristic | AMD EPYC Embedded 3451 |
DDR3-1333, DDR2-1066 | Memory | DDR4-2666 |
Max. Memory | 1024 GB | |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
21.3 GB/s | Max. Bandwidth | 85.3 GB/s |
No | ECC | Yes |
-- | L2 Cache | 8.00 MB |
6.00 MB | L3 Cache | 32.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 64 |
-- | PCIe Bandwidth | 63.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 955 has a TDP of 125 W, that of the AMD EPYC Embedded 3451 is 100 W. |
||
AMD Phenom II X4 955 | Characteristic | AMD EPYC Embedded 3451 |
125 W | TDP (PL1 / PBP) | 100 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 80 W |
-- | Tjunction max. | 105 °C |
Technical detailsThe AMD Phenom II X4 955 has a 6.00 MB cache, while the AMD EPYC Embedded 3451 cache has a total of 40.00 MB. |
||
AMD Phenom II X4 955 | Characteristic | AMD EPYC Embedded 3451 |
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 | SP4 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2009 | Release date | Q1/2018 |
-- | Release price | -- |
show more data | show more data | |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
![]() |
AMD Phenom II X4 955
4C 4T @ 3.20 GHz |
||
![]() |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
Devices using this processor |
|
AMD Phenom II X4 955 | AMD EPYC Embedded 3451 |
Unknown | Unknown |