EPYC 7452 vs Opteron 844
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 243 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 7.48 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 7.12 |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | SledgeHammer (2003−2005) | Zen 2 (2019−2020) |
| Release date | June 2003 (22 years ago) | 7 August 2019 (6 years ago) |
| Launch price (MSRP) | no data | $2,025 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Opteron 844 and EPYC 7452: 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 | 1 (Single-Core) | 32 (Dotriaconta-Core) |
| Threads | 1 | 64 |
| Base clock speed | no data | 2.2 GHz |
| Boost clock speed | 1.8 GHz | 3.35 GHz |
| Multiplier | no data | 23.5 |
| L1 cache | 128 KB | 96K (per core) |
| L2 cache | 1 MB | 512K (per core) |
| L3 cache | 0 KB | 128 MB (shared) |
| Chip lithography | 130 nm | 7 nm, 14 nm |
| Die size | 193 mm2 | 192 mm2 |
| Number of transistors | 106 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron 844 and EPYC 7452 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 | 8 | 2 (Multiprocessor) |
| Socket | 940 | TR4 |
| Power consumption (TDP) | 85 Watt | 155 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 844 and EPYC 7452. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 844 and EPYC 7452 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 844 and EPYC 7452. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Pros & cons summary
| Physical cores | 1 | 32 |
| Threads | 1 | 64 |
| Chip lithography | 130 nm | 7 nm |
| Power consumption (TDP) | 85 Watt | 155 Watt |
Opteron 844 has 82% lower power consumption.
EPYC 7452, on the other hand, has 3100% more physical cores and 6300% more threads, and a 1757% more advanced lithography process.
We couldn't decide between AMD Opteron 844 and AMD EPYC 7452. We've got no test results to judge.
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