Intel Core i7 7820X vs AMD Ryzen 5 Pro 9645
CPU Specs Compare
General Parameters
Release Date
May 2017
Jan 2026
Manufacturer
Intel
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Zen 5 (Granite Ridge)
Processor Number
i7-7820X
9645
Integrated Graphics
N/A
Radeon Graphics
Package
Manufacturing Process
14 nm
4 nm
Socket
LGA-2066
AM5
Power Consumption
140 W
65 W
Peak Operating Temperature
99 °C
95 °C
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
12
Performance Core Base Frequency
3.6 GHz
3.9 GHz
Performance Core Turbo Frequency
4.3 GHz
5.4 GHz
Total Core Count
8
6
Total Thread Count
16
12
Bus Frequency
100 MHz
100 MHz
Multiplier
36x
39
L1 Cache
64 K per core
80 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
11 MB shared
32 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR5-5600
Max Memory Size
128 GB
-
Max Memory Channels
4
-
Max Memory Bandwidth
79.47 GB/s
-
ECC Memory Support
No
Yes
Miscellaneous
Graphics Card Parameters
Integrated Graphics
-
true
GPU Base Frequency
-
400 MHz
GPU Max Dynamic Frequency
-
2200 MHz
Shader Units
-
128
Texture Units
-
8
Raster Operation Units
-
4
Execution Units
-
2
Power Consumption
-
15
📊 Benchmark
Cinebench R23
1,338
2,150
Cinebench R23
13,358
17,163
Geekbench 6
1,252
3,285
Geekbench 5
1,120
-
Geekbench 6
7,510
13,515
Geekbench 5
8,504
-
Passmark CPU
2,536
4,641
Passmark CPU
17,189
31,474
Cinebench 2024
-
132
Cinebench 2024
-
969