EPYC 7451 vs Core i7-870
Aggregate performance score
EPYC 7451 outperforms i7-870 by a whopping 728% based on our aggregate benchmark results.
Primary details
Comparing Core i7-870 and EPYC 7451 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1831 | 358 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.95 | 2.08 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Architecture codename | Lynnfield (2009−2010) | Naples (2017−2018) |
| Release date | September 2009 (14 years ago) | 29 June 2017 (7 years ago) |
| Launch price (MSRP) | $305 | $2,400 |
| Current price | $88 (0.3x MSRP) | $2768 (1.2x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 7451 has 119% better value for money than i7-870.
Detailed specifications
Core i7-870 and EPYC 7451 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 | 4 (Quad-Core) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | 2.93 GHz | 2.3 GHz |
| Boost clock speed | 3.6 GHz | 3.2 GHz |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 8 MB (shared) | 64 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 296 mm2 | 192 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 774 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Core i7-870 and EPYC 7451 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 | 2 (Multiprocessor) |
| Socket | FCLGA1156,LGA1156 | TR4 |
| Power consumption (TDP) | 95 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-870 and EPYC 7451. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | - | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | - | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| Status | Discontinued | no data |
Security technologies
Core i7-870 and EPYC 7451 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-870 and EPYC 7451 are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-870 and EPYC 7451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Eight-channel |
| Maximum memory size | 16 GB | 2 TiB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 21 GB/s | 170.671 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-870 and EPYC 7451.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 16 | 128 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
EPYC 7451 outperforms Core i7-870 by 728% based on our aggregate benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
EPYC 7451 outperforms Core i7-870 by 727% in Passmark.
Pros & cons summary
| Performance score | 2.02 | 16.72 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Cost | $305 | $2400 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 180 Watt |
The EPYC 7451 is our recommended choice as it beats the Core i7-870 in performance tests.
Note that Core i7-870 is a desktop processor while EPYC 7451 is a server/workstation one.
Should you still have questions on choice between Core i7-870 and EPYC 7451, ask them in Comments section, and we shall answer.
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