AMD EPYC 9255 vs AMD Ryzen Embedded 8640U
We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and AMD Ryzen Embedded 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9255 's Advantages
Released 6 months late
Higher specification of memory (6000 vs 5600)
Newer PCIe version (5 vs 4)
Larger L3 cache size (128MB vs 16MB)
AMD Ryzen Embedded 8640U 's Advantages
Higher base frequency (3.5GHz vs 3.25GHz)
Lower TDP (28W vs 200W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 9255
2535
AMD Ryzen Embedded 8640U
2519
Geekbench 6 Multi Core
AMD EPYC 9255
+116%
22355
AMD Ryzen Embedded 8640U
10308
General Parameters
Oct 2024
Release Date
Apr 2024
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Hawk Point
AMD Socket SP5
Socket
AMD Socket FP8
N/A
Integrated Graphics
Radeon 760M
EPYC(Zen 5 (Turin))
Generation
Ryzen Embedded (Zen 4 (Hawk Point))
Package
33.26 billions
Transistor Count
25 billions
4 nm
Manufacturing Process
4 nm
200 W
Power Consumption
28 W
TSMC
Foundry
TSMC
4x70.6 mm²
Die Size
178 mm²
6 nm
I/O Process Size
-
mm²
I/O Die Size
-
CPU Performance
24
Performance Cores
-
48
Performance Core Threads
-
3.25 GHz
Performance Core Base Frequency
3.5 GHz
4.8 GHz
Performance Core Turbo Frequency
4.9 GHz
24
Total Core Count
6
48
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
32.5
Multiplier
35.0
80 KB per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
1 MB per core
128 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
2
SMP
1
Memory Parameters
DDR5-6000
Memory Types
DDR5-5600
6 TB
Max Memory Size
-
12
Max Memory Channels
2
576 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
