EPYC 9455 vs Ryzen 7 1800X
Primary details
Comparing Ryzen 7 1800X and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 760 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 3.13 | no data |
Market segment | Desktop processor | Server |
Series | AMD Ryzen 7 | no data |
Power efficiency | 10.25 | no data |
Architecture codename | Zen (2017−2020) | Turin (2024) |
Release date | 2 March 2017 (7 years ago) | 10 October 2024 (less than a year ago) |
Launch price (MSRP) | $499 | $5,412 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 7 1800X and EPYC 9455 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
Physical cores | 8 (Octa-Core) | 48 (Octatetraconta-Core) |
Threads | 16 | 96 |
Base clock speed | 3.6 GHz | 3.15 GHz |
Boost clock speed | 4 GHz | 4.4 GHz |
Bus rate | 4 × 8 GT/s | no data |
Multiplier | 36 | no data |
L1 cache | 768 KB | 80 KB (per core) |
L2 cache | 4096 KB | 1 MB (per core) |
L3 cache | 16384 KB | 192 MB (shared) |
Chip lithography | 14 nm | 4 nm |
Die size | 192 mm2 | 6x 70.6 mm2 |
Number of transistors | 4,800 million | 49,890 million |
64 bit support | + | + |
Windows 11 compatibility | - | no data |
Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 7 1800X and EPYC 9455 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
Number of CPUs in a configuration | 1 (Uniprocessor) | 2 |
Socket | AM4 | SP5 |
Power consumption (TDP) | 95 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 1800X and EPYC 9455. You'll probably need this information if you require some particular technology.
Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
AES-NI | + | + |
FMA | FMA3 | - |
AVX | + | + |
XFR | + | - |
SenseMI | + | - |
Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 1800X and EPYC 9455 are enumerated here.
AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 1800X and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR4 | DDR5 |
Maximum memory size | 64 GB | no data |
Max memory channels | 2 | no data |
Maximum memory bandwidth | 42.671 GB/s | no data |
ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | - | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 1800X and EPYC 9455.
PCIe version | n/a | 5.0 |
PCI Express lanes | 20 | 128 |
Pros & cons summary
Recency | 2 March 2017 | 10 October 2024 |
Physical cores | 8 | 48 |
Threads | 16 | 96 |
Chip lithography | 14 nm | 4 nm |
Power consumption (TDP) | 95 Watt | 300 Watt |
Ryzen 7 1800X has 215.8% lower power consumption.
EPYC 9455, on the other hand, has an age advantage of 7 years, 500% more physical cores and 500% more threads, and a 250% more advanced lithography process.
We couldn't decide between Ryzen 7 1800X and EPYC 9455. We've got no test results to judge.
Note that Ryzen 7 1800X is a desktop processor while EPYC 9455 is a server/workstation one.
Should you still have questions on choice between Ryzen 7 1800X and EPYC 9455, ask them in Comments section, and we shall answer.
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