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Comparison
Intel Core i5 10400F vs Intel Core i7 7820X
Intel Core i5 10400F vs Intel Core i7 7820X
VS
Intel Core i5 10400F
Intel Core i7 7820X
We compared two desktop CPUs: Intel Core i5 10400F with 6 cores 2.9GHz and Intel Core i7 7820X 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 i5 10400F 's Advantages
Released 3 years late
Larger L3 cache size (12MB vs 11MB)
Lower TDP (65W vs 140W)
Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.6GHz vs 2.9GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 10400F
1106
Intel Core i7 7820X
+20%
1338
Cinebench R23 Multi Core
Intel Core i5 10400F
7603
Intel Core i7 7820X
+75%
13358
Geekbench 6 Single Core
Intel Core i5 10400F
+16%
1459
Intel Core i7 7820X
1252
Geekbench 6 Multi Core
Intel Core i5 10400F
6209
Intel Core i7 7820X
+20%
7510
Geekbench 5 Single Core
Intel Core i5 10400F
1101
Intel Core i7 7820X
+1%
1120
Geekbench 5 Multi Core
Intel Core i5 10400F
6041
Intel Core i7 7820X
+40%
8504
Passmark CPU Single Core
Intel Core i5 10400F
2551
Intel Core i7 7820X
2536
Passmark CPU Multi Core
Intel Core i5 10400F
12350
Intel Core i7 7820X
+39%
17189
Intel Core i5 10400F
VS
Intel Core i7 7820X
General Parameters
May 2020
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Comet Lake
Core Architecture
Skylake
i5-10400F
Processor Number
i7-7820X
LGA-1200
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
LGA-1200
Socket
LGA-2066
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
99 °C
CPU Performance
6
Performance Cores
8
12
Performance Core Threads
16
2.9 GHz
Performance Core Base Frequency
3.6 GHz
4.3 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
11 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
Intel Core i5 10400F
Official Website
Intel Core i7 7820X
3.0
PCIe Version
3.0
16
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
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