Home Comparison Intel Core i7 7820X vs Intel Core i5 12400

Intel Core i7 7820X vs Intel Core i5 12400

Intel Core i7 7820X
VS
Intel Core i5 12400
Intel Core i7 7820X
Intel Core i5 12400
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i5 12400 with 6 cores 2.5GHz . 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 76.8GB/s)
Higher base frequency (3.6GHz vs 2.5GHz)
Intel Core i5 12400 's Advantages
Released 4 years and 8 months late
Integrated graphics card
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (18MB vs 11MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 7820X
1338
Intel Core i5 12400 +23%
1647
Cinebench R23 Multi Core
Intel Core i7 7820X +8%
13358
Intel Core i5 12400
12344
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i5 12400 +79%
2244
Geekbench 6 Multi Core
Intel Core i7 7820X
7510
Intel Core i5 12400 +30%
9793
Geekbench 5 Single Core
Intel Core i7 7820X
1120
Intel Core i5 12400 +44%
1622
Geekbench 5 Multi Core
Intel Core i7 7820X
8504
Intel Core i5 12400 +1%
8662
Passmark CPU Single Core
Intel Core i7 7820X
2536
Intel Core i5 12400 +39%
3528
Passmark CPU Multi Core
Intel Core i7 7820X
17189
Intel Core i5 12400 +13%
19439
Intel Core i7 7820X
VS
Intel Core i5 12400

General Parameters

May 2017
Release Date
Jan 2022
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Alder Lake
i7-7820X
Processor Number
i5-12400
LGA-2066
Socket
LGA-1700
N/A
Integrated Graphics
UHD Graphics 730

Package

14 nm
Manufacturing Process
10 nm
140 W
Power Consumption
65 W
-
Max Turbo Power Consumption
117 W
99 °C
Peak Operating Temperature
100°C

CPU Performance

8
Performance Cores
6
16
Performance Core Threads
12
3.6 GHz
Performance Core Base Frequency
2.5 GHz
4.3 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
25x
64 K per core
L1 Cache
80 K per core
1 MB per core
L2 Cache
1280 K per core
11 MB shared
L3 Cache
18 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR4-2666
Memory Types
DDR5-4800, DDR4-3200
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
79.47 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

-
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1450 MHz
-
Shader Units
192
-
Texture Units
48
-
Raster Operation Units
24
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
3840x2160 - 60 Hz
-
Graphics Performance
0.35 TFLOPS

Miscellaneous

Intel Core i7 7820X
Official Website
Intel Core i5 12400
3.0
PCIe Version
5.0
28
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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