Core i7-7800X vs Core i9-7920X

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i9-7920X
2017
12 cores / 24 threads, 140 Watt
15.27
+83.3%

Core i9-7920X outperforms Core i7-7800X by an impressive 83% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7920X and Core i7-7800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking424854
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation12.726.73
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Intel Core i7
Architecture codenameSkylake (server) (2017−2019)Skylake (server) (2017−2019)
Release date10 September 2017 (6 years ago)26 June 2017 (6 years ago)
Launch price (MSRP)$1,199$389
Current price$434 (0.4x MSRP)$291 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7920X has 89% better value for money than i7-7800X.

Detailed specifications

Core i9-7920X and Core i7-7800X 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed2.9 GHz3.5 GHz
Boost clock speed4.4 GHz4 GHz
Bus support4 × 8 GT/s4 × 8 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16.5 MB (shared)8.25 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Core i9-7920X and Core i7-7800X 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 configuration11
SocketFCLGA2066FCLGA2066
Power consumption (TDP)140 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and Core i7-7800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0+no data
StatusDiscontinuedDiscontinued

Security technologies

Core i9-7920X and Core i7-7800X technologies aimed at improving security, for example, by protecting against hacks.

EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and Core i7-7800X are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core i7-7800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2400
Maximum memory size128 GB128 GB
Max memory channels44
Maximum memory bandwidth85 GB/s77 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core i7-7800X.

PCIe version3.03.0
PCI Express lanes4428

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.

i9-7920X 15.27
+83.3%
i7-7800X 8.33

Core i9-7920X outperforms Core i7-7800X by 83% 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%

i9-7920X 23616
+83.2%
i7-7800X 12889

Core i9-7920X outperforms Core i7-7800X by 83% in Passmark.

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%

i9-7920X 1352
i7-7800X 1353
+0.1%

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%

i9-7920X 9060
+47%
i7-7800X 6165

Core i9-7920X outperforms Core i7-7800X by 47% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 15.27 8.33
Recency 10 September 2017 26 June 2017
Physical cores 12 6
Threads 24 12
Cost $1199 $389

The Core i9-7920X is our recommended choice as it beats the Core i7-7800X in performance tests.


Should you still have questions on choice between Core i9-7920X and Core i7-7800X, 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 i9-7920X
Core i9-7920X
Intel Core i7-7800X
Core i7-7800X

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.


3.9 35 votes

Rate Core i9-7920X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 168 votes

Rate Core i7-7800X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-7920X or Core i7-7800X, agree or disagree with our judgements, or report an error or mismatch.