Home Comparison Intel Core i7 7820X vs Intel Core i9 12900

Intel Core i7 7820X vs Intel Core i9 12900

Intel Core i7 7820X
VS
Intel Core i9 12900
Intel Core i7 7820X
Intel Core i9 12900
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i9 12900 with 16 cores 2.4GHz . 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 2.4GHz)
Intel Core i9 12900 's Advantages
Released 4 years and 8 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB 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 i9 12900 +48%
1988
Cinebench R23 Multi Core
Intel Core i7 7820X
13358
Intel Core i9 12900 +98%
26454
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i9 12900 +117%
2727
Geekbench 6 Multi Core
Intel Core i7 7820X
7510
Intel Core i9 12900 +78%
13396
Intel Core i7 7820X
VS
Intel Core i9 12900

General Parameters

May 2017
Release Date
Jan 2022
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Skylake
Core Architecture
Alder Lake-S
i7-7820X
Processor Number
-
LGA-2066
Socket
Intel Socket 1700
N/A
Integrated Graphics
UHD Graphics 770
-
Generation
Core i9 (Alder Lake-S)

Package

14 nm
Manufacturing Process
10 nm
140 W
Power Consumption
65 W
99 °C
Peak Operating Temperature
72 °C
-
Foundry
Intel
-
Die Size
215 mm²

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
3.6 GHz
Performance Core Base Frequency
2.4 GHz
4.3 GHz
Performance Core Turbo Frequency
5.1 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1800 MHz
-
Efficiency Core Turbo Frequency
3.8 GHz
8
Total Core Count
16
16
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
24.0
64 K per core
L1 Cache
80 KB per core
1 MB per core
L2 Cache
1.25 MB per core
11 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1

Memory Parameters

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

Miscellaneous

Intel Core i7 7820X
Official Website
-
3.0
PCIe Version
5
28
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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