AMD EPYC 7773X vs EPYC 4345P
We compared two server CPUs: AMD EPYC 7773X with 64 cores 2.2GHz and EPYC 4345P with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7773X 's Advantages
Larger L3 cache size (768MB vs 32MB)
EPYC 4345P 's Advantages
Released 3 years and 2 months late
Higher specification of memory (5600 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.8GHz vs 2.2GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (65W vs 280W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7773X
1656
EPYC 4345P
+107%
3435
Geekbench 6 Multi Core
AMD EPYC 7773X
2811
EPYC 4345P
+460%
15752
General Parameters
Mar 2022
Release Date
May 2025
AMD
Manufacturer
AMD
Server
Type
Server
Milan-X
Core Architecture
Grado
AMD Socket SP3
Socket
AMD Socket AM5
N/A
Integrated Graphics
Radeon Graphics
EPYC (Zen 3 (Milan))
Generation
EPYC (Zen 5 (Grado))
Package
33.2 billions
Transistor Count
8.315 billions
7 nm
Manufacturing Process
4 nm
280 W
Power Consumption
65 W
-
Peak Operating Temperature
95°C
TSMC
Foundry
TSMC
8x81 mm²
Die Size
70.6 mm²
12 nm
I/O Process Size
6 nm
416 mm²
I/O Die Size
122 mm²
CPU Performance
2.2 GHz
Performance Core Base Frequency
3.8 GHz
3.5 GHz
Performance Core Turbo Frequency
5.5 GHz
64
Total Core Count
8
128
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
22.0
Multiplier
38.0
64 K per core
L1 Cache
80 KB per core
512 K per core
L2 Cache
1 MB per core
768 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
No
8
Cores per CCD
-
2
SMP
1
Memory Parameters
DDR4-3200
Memory Types
DDR5-5600
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
4
PCIe Version
5
128
PCIe Lanes
24
