AMD Athlon II X2 255 | AMD EPYC 7351 | |
CPU comparisonAMD Athlon II X2 255 or AMD EPYC 7351 - 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 Athlon II X2 255 has 2 cores with 2 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X2 255 was released in Q1/2010. The AMD EPYC 7351 has 16 cores with 32 threads and clocks with a maximum frequency of 2.90 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7351 was released in Q3/2017. |
||
AMD Athlon II (52) | Family | AMD EPYC (129) |
AMD Athlon II X2 (Propus) (18) | CPU group | AMD EPYC 7001 (12) |
1 | Generation | 1 |
Propus | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD Athlon II X2 255 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD Athlon II X2 255 is 3.10 GHz while the AMD EPYC 7351 has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7351 is at 2.40 GHz (2.90 GHz). |
||
AMD Athlon II X2 255 | Characteristic | AMD EPYC 7351 |
2 | Cores | 16 |
2 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
3.10 GHz | Frequency | 2.40 GHz |
-- | Turbo Frequency (1 Core) | 2.90 GHz |
-- | Turbo Frequency (All Cores) | 2.90 GHz |
Memory & PCIeThe AMD Athlon II X2 255 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD EPYC 7351 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s. |
||
AMD Athlon II X2 255 | Characteristic | AMD EPYC 7351 |
DDR3-1333 | Memory | DDR4-2400, DDR4-2666 |
16 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
21.3 GB/s | Max. Bandwidth | 170.6 GB/s |
No | ECC | Yes |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | 64.00 MB |
2.0 | PCIe version | 3.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X2 255 is 65 W, while the AMD EPYC 7351 has a TDP of 170 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
AMD Athlon II X2 255 | Characteristic | AMD EPYC 7351 |
65 W | TDP (PL1 / PBP) | 170 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X2 255 is manufactured in 45 nm and has 2.00 MB cache. The AMD EPYC 7351 is manufactured in 14 nm and has a 64.00 MB cache. |
||
AMD Athlon II X2 255 | Characteristic | AMD EPYC 7351 |
45 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, 3DNow!, 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 |
Q1/2010 | Release date | Q3/2017 |
-- | Release price | 850 $ |
show more data | show more data | |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.40 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
AMD Athlon II X2 255
2C 2T @ 3.10 GHz |
|||
AMD EPYC 7351
16C 32T @ 2.90 GHz |
Devices using this processor |
|
AMD Athlon II X2 255 | AMD EPYC 7351 |
Unknown | Unknown |