Intel Core i7-7820X vs Intel Core i9-10920X

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CPU comparison with benchmarks


Intel Core i7-7820X CPU1 vs CPU2 Intel Core i9-10920X
Intel Core i7-7820X Intel Core i9-10920X

CPU comparison

Intel Core i7-7820X or Intel Core i9-10920X - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-7820X has 8 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-7820X was released in Q2/2017.

The Intel Core i9-10920X has 12 cores with 24 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 256 GB of memory in 4 memory channels. The Intel Core i9-10920X was released in Q4/2019.
Intel Core i7 (298) Family Intel Core i9 (78)
Intel Core i 7000X (9) CPU group Intel Core i 10000X (4)
7 Generation 10
Skylake X Architecture Cascade Lake
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-7820X has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-7820X is 3.60 GHz (4.50 GHz) while the Intel Core i9-10920X has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Core i9-10920X is at 3.50 GHz (4.80 GHz).

Intel Core i7-7820X Characteristic Intel Core i9-10920X
8 Cores 12
16 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.60 GHz Frequency 3.50 GHz
4.50 GHz Turbo Frequency (1 Core) 4.80 GHz
4.30 GHz Turbo Frequency (All Cores) 4.40 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i7-7820X Characteristic Intel Core i9-10920X
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-7820X or Intel Core i9-10920X has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-7820X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The Intel Core i9-10920X supports up to 256 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 93.8 GB/s.

Intel Core i7-7820X Characteristic Intel Core i9-10920X
DDR4-2666 Memory DDR4-2933
128 GB Max. Memory 256 GB
4 (Quad Channel) Memory channels 4 (Quad Channel)
85.4 GB/s Max. Bandwidth 93.8 GB/s
No ECC No
-- L2 Cache --
11.00 MB L3 Cache 19.00 MB
3.0 PCIe version 3.0
28 PCIe lanes 48
27.6 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-7820X is 140 W, while the Intel Core i9-10920X has a TDP of 165 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-7820X Characteristic Intel Core i9-10920X
140 W TDP (PL1 / PBP) 165 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 94 °C

Technical details

The Intel Core i7-7820X is manufactured in 14 nm and has 11.00 MB cache. The Intel Core i9-10920X is manufactured in 14 nm and has a 19.00 MB cache.

Intel Core i7-7820X Characteristic Intel Core i9-10920X
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 2066 Socket LGA 2066
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2017 Release date Q4/2019
650 $ Release price 689 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i7-7820X to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:
Here you can rate the Intel Core i9-10920X to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-7820X (98%)
Intel Core i9-10920X (96%)
⌀ Multi core performance in 5 CPU benchmarks
Intel Core i7-7820X (74%)
Intel Core i9-10920X (91%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
1285 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
1179 (92%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
8916 (70%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
12703 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
1513 (96%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
1568 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
8123 (74%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
10960 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
17244 (65%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
26361 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
212 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
115.3 (54%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 3.60 GHz
4398 (62%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 3.50 GHz
7076 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
0 (0%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
70 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
0 (0%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
922 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
498 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
5155 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
197 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.80 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
1887 (100%)
Intel Core i9-10920X Intel Core i9-10920X
12C 24T @ 4.40 GHz
0 (0%)

Devices using this processor

Intel Core i7-7820X Intel Core i9-10920X
Unknown Unknown

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