Home Comparison Intel Core i7 7820X vs Intel Core i9 9900K

Intel Core i7 7820X vs Intel Core i9 9900K

Intel Core i7 7820X
VS
Intel Core i9 9900K
Intel Core i7 7820X Intel Core i9 9900K
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i9 9900K with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Intel Core i9 9900K 's Advantages
Released 1 years and 5 months late
Integrated graphics card
Larger L3 cache size (16MB vs 11MB)
Lower TDP (95W vs 140W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 7820X
1338
Intel Core i9 9900K
1338
Cinebench R23 Multi Core
Intel Core i7 7820X +6%
13358
Intel Core i9 9900K
12500
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i9 9900K +32%
1665
Geekbench 6 Multi Core
Intel Core i7 7820X +17%
7510
Intel Core i9 9900K
6395
Geekbench 5 Single Core
Intel Core i7 7820X
1120
Intel Core i9 9900K +12%
1265
Geekbench 5 Multi Core
Intel Core i7 7820X +1%
8504
Intel Core i9 9900K
8406
Passmark CPU Single Core
Intel Core i7 7820X
2536
Intel Core i9 9900K +16%
2945
Passmark CPU Multi Core
Intel Core i7 7820X
17189
Intel Core i9 9900K +6%
18381
Intel Core i7 7820X
VS
Intel Core i9 9900K

General Parameters

May 2017
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i7-7820X
Processor Number
i9-9900K
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
LGA-2066
Socket
LGA-1151
140 W
Power Consumption
95 W
99 °C
Peak Operating Temperature
100 °C

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
3.6 GHz
Performance Core Base Frequency
3.6 GHz
4.3 GHz
Performance Core Turbo Frequency
5 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
11 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
79.47 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

-
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1200 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i7 7820X
Official Website
Intel Core i9 9900K
3.0
PCIe Version
3.0
28
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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