CPU Comparison
AMD
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
VS
AMD
Ryzen Threadripper PRO 9975WX
CORE STATE
Shimada Peak
CORE SPECS
32 Cores / 64 Threads
CLOCK SPEED
4 Base / 5.4 GHz Turbo
CACHE
128 MB (shared)
MAX TDP
350W
ARCHITECTURE
Zen 5
PROCESS
4 nm
LAUNCH DATE
2025
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 7643P
Threadripper PRO 9975WX
Core Specs
Cores
48
32
-33.3%
Threads
96
64
-33.3%
Base Clock (GHz)
2.3
4
+73.9%
Boost Clock (GHz)
3.6
5.4
+50.0%
Frequency (GHz)
2.3
4
+73.9%
Turbo Clock (GHz)
3.6
5.4
+50.0%
Multiplier
23
40
+73.9%
SMP CPUs
1
1
0.0%
Cache
L1 Cache
64 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
350
+55.6%
Configurable TDP
240 W
—
Architecture
Architecture
Zen 3
Zen 5
Codename
Milan
Shimada Peak
Generation
EPYC
(Zen 3 (Milan))
Ryzen Threadripper
(Zen 5 (Shimada Peak))
Process Size
7 nm
4 nm
Transistors
33,200 million
33,260 million
Die Size
8x 81 mm²
4x 70.6 mm²
Foundry
TSMC
TSMC
Memory
Memory Support
DDR4
DDR5
Memory Bus
Eight-channel
Eight-channel
Memory Bandwidth
204.8 GB/s
409.6 GB/s
ECC Memory
Yes
Yes
Platform
Socket
AMD Socket SP3
AMD Socket sTR5
Chipsets
—
WRX90, TRX50, Pro 695
PCIe
Gen 4, 128 Lanes(CPU only)
Gen 5, 128 Lanes(CPU only)
AMD Multi-Die
CCDs
8
—
Cores per CCD
8
—
IO Process Size
12 nm
6 nm
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
Active
Launch Price
$2722
$4099
Part Number
100-000001285
100-000000723
Package
FCLGA-4094
FC-LGA4844
Tj Max
—
95°C
Bundled Cooler
—
None