i7-12700E vs i7-7820X
Aggregate performance score
Core i7-12700E outperforms Core i7-7820X by an impressive 71% based on our aggregate benchmark results.
Primary details
Comparing Core i7-7820X and Core i7-12700E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 697 | 309 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.68 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i7 | no data |
| Power efficiency | 7.31 | 26.94 |
| Architecture codename | Skylake (server) (2017−2019) | Alder Lake-S (2022) |
| Release date | 30 May 2017 (7 years ago) | January 2022 (2 years ago) |
| Launch price (MSRP) | $599 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-7820X and Core i7-12700E 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) | 12 (Dodeca-Core) |
| Threads | 16 | 20 |
| Base clock speed | 3.6 GHz | 2.1 GHz |
| Boost clock speed | 4.5 GHz | 4.8 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 36 | no data |
| L1 cache | 512 KB | 80K (per core) |
| L2 cache | 8 MB | 1.25 MB (per core) |
| L3 cache | 11 MB (shared) | 25 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | no data | 215 mm2 |
| Maximum core temperature | 99 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-7820X and Core i7-12700E 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) | 1 |
| Socket | FCLGA2066 | 1700 |
| Power consumption (TDP) | 140 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7820X and Core i7-12700E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Turbo Boost Max 3.0 | + | no data |
| Status | Discontinued | no data |
Security technologies
Core i7-7820X and Core i7-12700E 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 i7-7820X and Core i7-12700E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Core i7-12700E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4, DDR5 Dual-channel |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel UHD Graphics 770 |
Peripherals
Specifications and connection of peripherals supported by Core i7-7820X and Core i7-12700E.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 28 | 20 |
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.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 11.24 | 19.24 |
| Physical cores | 8 | 12 |
| Threads | 16 | 20 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 140 Watt | 65 Watt |
i7-12700E has a 71.2% higher aggregate performance score, 50% more physical cores and 25% more threads, a 40% more advanced lithography process, and 115.4% lower power consumption.
The Core i7-12700E is our recommended choice as it beats the Core i7-7820X in performance tests.
Should you still have questions on choice between Core i7-7820X and Core i7-12700E, ask them in Comments section, and we shall answer.
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