CPU Comparison
AMD
AMD EPYC 7643
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
2021
VS
AMD
Ryzen Threadripper PRO 5995WX
CORE STATE
Chagall PRO
CORE SPECS
64 Cores / 128 Threads
CLOCK SPEED
2.7 Base / 4.5 GHz Turbo
CACHE
256 MB
MAX TDP
280W
ARCHITECTURE
Zen 3
PROCESS
7 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
geekbench_multicore
geekbench_singlecore
DETAILED SPECIFICATIONS
SPECIFICATION
EPYC 7643
Threadripper PRO 5995WX
Core Specs
Cores
48
64
+33.3%
Threads
96
128
+33.3%
Base Clock (GHz)
2.3
2.7
+17.4%
Boost Clock (GHz)
3.6
4.5
+25.0%
Frequency (GHz)
2.3
2.7
+17.4%
Turbo Clock (GHz)
3.6
4.5
+25.0%
Multiplier
23
27
+17.4%
SMP CPUs
2
1
-50.0%
Cache
L1 Cache
64 KB (per core)
64 KB (per core)
L2 Cache
512 KB (per core)
512 KB (per core)
L3 Cache
256 MB (shared)
256 MB
Power
TDP (W)
225
280
+24.4%
Configurable TDP
240 W
—
Architecture
Architecture
Zen 3
Zen 3
Codename
Milan
Chagall PRO
Generation
EPYC
(Zen 3 (Milan))
Ryzen Threadripper
(Zen 3 (Chagall))
Process Size
7 nm
7 nm
Transistors
33,200 million
33,200 million
Die Size
8x 81 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 WRX8
PCIe
Gen 4, 128 Lanes(CPU only)
Gen 4, 128 Lanes(CPU only)
AMD Multi-Die
CCDs
8
—
Cores per CCD
6
—
IO Process Size
12 nm
14 nm
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
Active
Launch Price
$4995
$6499
Part Number
100-000000326100-100000326WOF
100-000000444
Package
FCLGA-4094
sWRX8