Intel Core i9-7900X vs Intel Core i7-7820X

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CPU comparison with benchmarks


Intel Core i9-7900X CPU1 vs CPU2 Intel Core i7-7820X
Intel Core i9-7900X Intel Core i7-7820X

CPU comparison

Intel Core i9-7900X or Intel Core i7-7820X ? In this comparison, we check which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-7900X has 10 cores with 20 threads and clocks with a maximum frequency of 4.30 GHz. Up to GB of memory is supported in 4 (Quad Channel) memory channels. The Intel Core i9-7900X was released in Q2/2017.

The Intel Core i7-7820X has 8 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to GB of memory in 4 (Quad Channel) memory channels. The Intel Core i7-7820X was released in Q2/2017.
Intel Core i9 Family Intel Core i7
Intel Core i 7000X CPU group Intel Core i 7000X
7 Generation 7
Skylake X Architecture Skylake X
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

In addition to the number of CPU cores and threads, you can see here whether the Intel Core i9-7900X or Intel Core i7-7820X can be overclocked. You will also find the clock frequencies of the processor (single-core and multi-core) here. The number of CPU cores greatly affects the speed of the processor.

10 Cores 8
20 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.30 GHz Frequency 3.60 GHz
4.30 GHz Turbo Frequency (1 Core) 4.50 GHz
4.00 GHz Turbo Frequency (All Cores) 4.30 GHz

Internal Graphics

The Intel Core i9-7900X or Intel Core i7-7820X 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. A processor with integrated graphics is also called APU (Accelerated Processing Unit).

no iGPU GPU no iGPU
GPU frequency
GPU (Turbo)
GPU Generation
Technology
Max. displays
Execution units
Shader
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 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 memory type as well as the amount of memory can greatly affect the speed of the processor. The memory bandwidth depends on several factors and is given in gigabytes per second.

DDR4-2666 Memory DDR4-2666
Max. Memory
4 (Quad Channel) Memory channels 4 (Quad Channel)
-- Bandwidth --
No ECC No
L2 Cache
14.00 MB L3 Cache 11.00 MB
3.0 PCIe version 3.0
44 PCIe lanes 28

Thermal Management

The Thermal Design Power (TDP for short) specifies the necessary cooling solution to cool the processor sufficiently. The TDP usually only gives a rough idea of the real consumption of a CPU.

140 W TDP (PL1) 140 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

Here you will find information on the size of the level 2 and level 3 cache of the Intel Core i9-7900X or Intel Core i7-7820X as well as a list of the processors ISA extensions. We have documented the architecture and the manufacturing technology for you as well as the release date.

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, Linux
Q2/2017 Release date Q2/2017
989 $ Release price 650 $
show more data show more data



Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
1222 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
0 (0%)
Show all Cinebench R23 (Single-Core) results



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
14998 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
0 (0%)
Show all Cinebench R23 (Multi-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
461 (93%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
498 (100%)
Show all Cinebench R20 (Single-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
5286 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
5155 (98%)
Show all Cinebench R20 (Multi-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
1133 (98%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
1151 (100%)
Show all Geekbench 5, 64bit (Single-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
10199 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
8916 (87%)
Show all Geekbench 5, 64bit (Multi-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 3.30 GHz
5530 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 3.60 GHz
4398 (80%)
Show all CPU-Z Benchmark 17 (Multi-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
21870 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
18634 (85%)
Show all Estimated results for PassMark CPU Mark results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
137.7 (65%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
212 (100%)
Show all Blender 2.81 (bmw27) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
188 (95%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
197 (100%)
Show all Cinebench R15 (Single-Core) results



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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
2194 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
1887 (86%)
Show all Cinebench R15 (Multi-Core) results



Geekbench 3, 64bit (Single-Core)

Geekbench 3 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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
4876 (96%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
5103 (100%)
Show all Geekbench 3, 64bit (Single-Core) results



Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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 i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
41255 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
35487 (86%)
Show all Geekbench 3, 64bit (Multi-Core) results



Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-7900X Intel Core i9-7900X
10C 20T @ 4.30 GHz
2.19 (95%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.50 GHz
2.3 (100%)
Show all Cinebench R11.5, 64bit (Single-Core) results



Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-7900X Intel Core i9-7900X
10C 20T @ 4.00 GHz
24.1 (100%)
Intel Core i7-7820X Intel Core i7-7820X
8C 16T @ 4.30 GHz
20.73 (86%)
Show all Cinebench R11.5, 64bit (Multi-Core) results



Devices using this processor

Intel Core i9-7900X Intel Core i7-7820X
Unknown Unknown

Leaderboards

In our leaderboards, we have clearly compiled the best processors for specific categories for you. The leaderboards are always up to date and are regularly updated by us. The best processors are selected according to popularity and speed in benchmarks as well as the price-performance ratio.


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