Intel Core i7 7820X vs Intel Core i9 10900X
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i9 10900X with 10 cores 3.7GHz . 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
Lower TDP (140W vs 165W)
Intel Core i9 10900X 's Advantages
Released 2 years and 5 months late
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (93.8GB/s vs 79.47GB/s)
Higher base frequency (3.7GHz vs 3.6GHz)
Larger L3 cache size (20MB vs 11MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 7820X
+16%
1338
Intel Core i9 10900X
1145
Cinebench R23 Multi Core
Intel Core i7 7820X
13358
Intel Core i9 10900X
+7%
14312
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i9 10900X
+25%
1566
Geekbench 6 Multi Core
Intel Core i7 7820X
7510
Intel Core i9 10900X
+23%
9308
Geekbench 5 Single Core
Intel Core i7 7820X
1120
Intel Core i9 10900X
+1%
1133
Geekbench 5 Multi Core
Intel Core i7 7820X
8504
Intel Core i9 10900X
+26%
10786
Passmark CPU Single Core
Intel Core i7 7820X
2536
Intel Core i9 10900X
+5%
2664
Passmark CPU Multi Core
Intel Core i7 7820X
17189
Intel Core i9 10900X
+30%
22469
General Parameters
May 2017
Release Date
Oct 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Cascade Lake
i7-7820X
Processor Number
i9-10900X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
165 W
99 °C
Peak Operating Temperature
94 °C
CPU Performance
8
Performance Cores
10
16
Performance Core Threads
20
3.6 GHz
Performance Core Base Frequency
3.7 GHz
4.3 GHz
Performance Core Turbo Frequency
4.5 GHz
8
Total Core Count
10
16
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
37x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
11 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2933
128 GB
Max Memory Size
256 GB
4
Max Memory Channels
4
79.47 GB/s
Max Memory Bandwidth
93.8 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
28
PCIe Lanes
48
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
