CPU Comparison
AMD
AMD EPYC 7642
CORE STATE
Rome
CORE SPECS
48 Cores / 96 Threads
CLOCK SPEED
2.4 Base / 3.4 GHz Turbo
CACHE
256 MB (shared)
MAX TDP
225W
ARCHITECTURE
Zen 2
PROCESS
7 nm
LAUNCH DATE
2019
VS
AMD
EPYC 7643P
CORE STATE
Milan
CORE SPECS
48 Cores / 96 Threads
CLOCK SPEED
2.3 Base / 3.6 GHz Turbo
CACHE
256 MB (shared)
MAX TDP
225W
ARCHITECTURE
Zen 3
PROCESS
7 nm
LAUNCH DATE
2023
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
passmark_data_compression
passmark_data_encryption
passmark_extended_instructions
passmark_find_prime_numbers
passmark_floating_point_math
passmark_integer_math
passmark_multithread
passmark_physics
passmark_random_string_sorting
passmark_single_thread
passmark_singlethread
DETAILED SPECIFICATIONS
SPECIFICATION
EPYC 7642
EPYC 7643P
Core Specs
Cores
48
48
0.0%
Threads
96
96
0.0%
Base Clock (GHz)
2.4
2.3
-4.2%
Boost Clock (GHz)
3.4
3.6
+5.9%
Frequency (GHz)
2.4
2.3
-4.2%
Turbo Clock (GHz)
3.4
3.6
+5.9%
Multiplier
24
23
-4.2%
SMP CPUs
2
1
-50.0%
Cache
L1 Cache
96 KB (per core)
64 KB (per core)
L2 Cache
512 KB (per core)
512 KB (per core)
L3 Cache
256 MB (shared)
256 MB (shared)
Power
TDP (W)
225
225
0.0%
Configurable TDP
—
240 W
Architecture
Architecture
Zen 2
Zen 3
Codename
Rome
Milan
Generation
EPYC
(Zen 2 (Rome))
EPYC
(Zen 3 (Milan))
Process Size
7 nm
7 nm
Transistors
3,800 million
33,200 million
Die Size
74 mm²
8x 81 mm²
Foundry
TSMC
TSMC
Memory
Memory Support
DDR4
DDR4
Memory Bus
Eight-channel
Eight-channel
Memory Bandwidth
204.8 GB/s
204.8 GB/s
ECC Memory
Yes
Yes
Platform
Socket
AMD Socket SP3
AMD Socket SP3
PCIe
Gen 4
Gen 4, 128 Lanes(CPU only)
AMD Multi-Die
CCDs
—
8
Cores per CCD
—
8
IO Process Size
—
12 nm
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
Active
Launch Price
—
$2722
Part Number
100-000000074
100-000001285
Package
FCLGA-4094
FCLGA-4094