Performance per price, higher is better.
Intel Core i7-7820X: specs and benchmarks
Aggregated performance score
Summary
Intel started Core i7-7820X sales 26 June 2017 at a recommended price of $599. This is a Skylake (server) architecture desktop processor primarily aimed at office systems. It has 8 cores and 16 threads, and is based on 14 nm manufacturing technology, with a max turbo frequency of 4500 MHz and an unlocked multiplier.
Compatibility-wise, this is FCLGA2066 processor with a TDP of 140 Watt and a maximum temperature of 72 °C. It supports DDR4-2666 memory.
It provides poor benchmark performance at 11.23% of a leader's which is AMD Ryzen Threadripper PRO 7995WX.
General info
Core i7-7820X processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in performance ranking | 626 | |
| Place by popularity | not in top-100 | |
| Value for money | 9.03 | |
| Market segment | Desktop processor | |
| Series | Intel Core i7 | |
| Architecture codename | Skylake (server) (2017−2019) | |
| Release date | 26 June 2017 (6 years old) | |
| Launch price (MSRP) | $599 | of 305 (Core i7-870) |
| Current price | $376 (0.6x MSRP) | of 17802 (Threadripper PRO 7995WX) |
Value for money
Technical specs
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 8 (Octa-Core) | |
| Threads | 16 | |
| Base clock speed | 3.6 GHz | of 4.7 (FX-9590) |
| Boost clock speed | 4.5 GHz | of 6.2 (Core i9-14900KS) |
| Bus support | 4 × 8 GT/s | |
| L1 cache | 64 KB (per core) | of 7475.2 (Apple M2 Pro 10-Core) |
| L2 cache | 1 MB (per core) | of 36 (Apple M2 Max) |
| L3 cache | 11 MB (shared) | of 768 (EPYC 7373X) |
| Chip lithography | 14 nm | of 3 (Apple M3 Max 16-Core) |
| Maximum core temperature | 99 °C | of 110 (Atom x7-E3950) |
| Maximum case temperature (TCase) | 72 °C | of 105 (Core i7-5950HQ) |
| 64 bit support | + | |
| Windows 11 compatibility | + | |
| Unlocked multiplier | Yes |
Compatibility
Information on Core i7-7820X compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCLGA2066 | |
| Power consumption (TDP) | 140 Watt | of 400 (Xeon Platinum 9282) |
Technologies and extensions
Technological capabilities and additional instructions supported by Core i7-7820X. 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 | |
| AES-NI | + | |
| AVX | + | |
| Enhanced SpeedStep (EIST) | + | |
| Turbo Boost Technology | 2.0 | |
| Hyper-Threading Technology | + | |
| TSX | + | |
| Turbo Boost Max 3.0 | + | |
| Status | Discontinued |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core i7-7820X's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR4-2666 | |
| Maximum memory size | 128 GB | of 786 (Xeon E5-2670 v3) |
| Max memory channels | 4 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 85 GB/s | of 460.8 (EPYC 9124) |
| ECC memory support | - |
Graphics specifications
General parameters of a GPU integrated into Core i7-7820X.
| Integrated graphics card | N/A |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 3.0 | of 5 (Core i9-12900K) |
| PCI Express lanes | 28 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Core i7-7820X. Overall benchmark performance 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.
Benchmark coverage: 68%
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.
Benchmark coverage: 42%
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.
Benchmark coverage: 42%
Send in your benchmark results
Send your test results of Core i7-7820X.
Relative perfomance
Overall Core i7-7820X performance compared to nearest competitors among desktop CPUs.
AMD equivalent
According to our data, the closest AMD alternative to Core i7-7820X is Ryzen 7 PRO 2700X, which is slower by 2% and lower by 10 positions in our ranking.
Here are some closest AMD rivals to Core i7-7820X:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Core i7-7820X, according to our PC configuration statistics.
17.2%
8.1%
4.5%
2.5%
2.5%
These are the fastest graphics cards for Core i7-7820X in our user configuration statistics. There is a total of 198 configurations based on Core i7-7820X in our database.
2.5% (5/198)
1% (2/198)
1% (2/198)
0.5% (1/198)
0.5% (1/198)
2% (4/198)
1% (2/198)
0.5% (1/198)
0.5% (1/198)
2% (4/198)
