Ryzen 9 5900X vs i7-7820X

Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
10.85
Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.72
+128%

Ryzen 9 5900X outperforms Core i7-7820X by a whopping 128% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking714201
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.2630.65
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7AMD Ryzen 9
Power efficiency7.3022.19
Architecture codenameSkylake (server) (2017−2019)Vermeer (Zen3) (2020−2022)
Release date30 May 2017 (7 years ago)8 October 2020 (4 years ago)
Launch price (MSRP)$599$549

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900X has 840% better value for money than i7-7820X.

Detailed specifications

Core i7-7820X and Ryzen 9 5900X 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 cores8 (Octa-Core)12 (Dodeca-Core)
Threads1624
Base clock speed3.6 GHz3.7 GHz
Boost clock speed4.5 GHz4.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier3637
L1 cache512 KB768 KB
L2 cache8 MB6 MB
L3 cache11 MB (shared)64 MB
Chip lithography14 nm7 nm, 12 nm
Die sizeno data2x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum core temperature99 °Cno data
Maximum case temperature (TCase)72 °C95 °C
Number of transistorsno data0 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i7-7820X and Ryzen 9 5900X 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 configuration1 (Uniprocessor)1
SocketFCLGA2066AM4
Power consumption (TDP)140 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-51286x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i7-7820X and Ryzen 9 5900X technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and Ryzen 9 5900X are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/A-

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Ryzen 9 5900X.

PCIe version3.04.0
PCI Express lanes28no data

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.

i7-7820X 10.85
Ryzen 9 5900X 24.72
+128%

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.

i7-7820X 17165
Ryzen 9 5900X 39114
+128%

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.

i7-7820X 1427
Ryzen 9 5900X 2209
+54.8%

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.

i7-7820X 7872
Ryzen 9 5900X 11961
+51.9%

Gaming performance

Pros & cons summary


Performance score 10.85 24.72
Recency 30 May 2017 8 October 2020
Physical cores 8 12
Threads 16 24
Chip lithography 14 nm 7 nm
Power consumption (TDP) 140 Watt 105 Watt

Ryzen 9 5900X has a 127.8% higher aggregate performance score, an age advantage of 3 years, 50% more physical cores and 50% more threads, a 100% more advanced lithography process, and 33.3% lower power consumption.

The Ryzen 9 5900X 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 Ryzen 9 5900X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-7820X
Core i7-7820X
AMD Ryzen 9 5900X
Ryzen 9 5900X

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.8 137 votes

Rate Core i7-7820X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 3677 votes

Rate Ryzen 9 5900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-7820X or Ryzen 9 5900X, agree or disagree with our judgements, or report an error or mismatch.