CPU Comparison
AMD
AMD EPYC 7742
CORE STATE
Rome
CORE SPECS
64 Cores / 128 Threads
CLOCK SPEED
2.25 Base / 3.4 GHz Turbo
CACHE
256 MB (shared)
MAX TDP
225W
ARCHITECTURE
Zen 2
PROCESS
7 nm
LAUNCH DATE
2019
VS
AMD
EPYC 9254
CORE STATE
Genoa
CORE SPECS
24 Cores / 48 Threads
CLOCK SPEED
2.9 Base / 4.15 GHz Turbo
CACHE
128 MB (shared)
MAX TDP
200W
ARCHITECTURE
Zen 4
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r15_singlecore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
EPYC 7742
EPYC 9254
Core Specs
Cores
64
24
-62.5%
Threads
128
48
-62.5%
Base Clock (GHz)
2.25
2.9
+28.9%
Boost Clock (GHz)
3.4
4.15
+22.1%
Frequency (GHz)
2.25
2.9
+28.9%
Turbo Clock (GHz)
3.4
4.15
+22.1%
Multiplier
22.5
29
+28.9%
SMP CPUs
2
2
0.0%
Cache
L1 Cache
96 KB (per core)
64 KB (per core)
L2 Cache
512 KB (per core)
1 MB (per core)
L3 Cache
256 MB (shared)
128 MB (shared)
Power
TDP (W)
225
200
-11.1%
Configurable TDP
—
200-240 W
Architecture
Architecture
Zen 2
Zen 4
Codename
Rome
Genoa
Generation
EPYC
(Zen 2 (Rome))
EPYC
(Zen 4 (Genoa))
Process Size
7 nm
5 nm
Transistors
3,800 million
26,280 million
Die Size
74 mm²
4x 72 mm²
Foundry
TSMC
TSMC
Memory
Memory Support
DDR4
DDR5
Memory Bus
Eight-channel
Twelve-channel
Memory Bandwidth
204.8 GB/s
460.8 GB/s
ECC Memory
Yes
Yes
Platform
Socket
AMD Socket SP3
AMD Socket SP5
PCIe
Gen 4
Gen 5, 128 Lanes(CPU only)
AMD Multi-Die
IO Process Size
—
6 nm
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
Active
Launch Price
—
$2299
Part Number
100-000000053
100-100000480
Package
FCLGA-4094
FC-LGA6096