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
INTEL
Xeon Phi 7210
CORE STATE
Knights Landing
CORE SPECS
64 Cores / 256 Threads
CLOCK SPEED
1300 Base / 1500 GHz Turbo
CACHE
—
MAX TDP
215W
ARCHITECTURE
Knights Landing
PROCESS
14 nm
LAUNCH DATE
2016
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 7643
Phi 7210
Core Specs
Cores
48
64
+33.3%
Threads
96
256
+166.7%
Base Clock (GHz)
2.3
1,300
+56421.7%
Boost Clock (GHz)
3.6
1,500
+41566.7%
Frequency (GHz)
2.3
1,300
+56421.7%
Turbo Clock (GHz)
3.6
1,500
+41566.7%
Multiplier
23
13
-43.5%
SMP CPUs
2
1
-50.0%
Cache
L1 Cache
64 KB (per core)
32 KB (per core)
L2 Cache
512 KB (per core)
512 KB (per core)
L3 Cache
256 MB (shared)
—
Power
TDP (W)
225
215
-4.4%
Configurable TDP
240 W
—
Architecture
Architecture
Zen 3
Knights Landing
Codename
Milan
Knights Landing
Generation
EPYC
(Zen 3 (Milan))
Xeon Phi
(Knights Landing)
Process Size
7 nm
14 nm
Transistors
33,200 million
8,000 million
Die Size
8x 81 mm²
—
Foundry
TSMC
Intel
Memory
Memory Support
DDR4
DDR4
Memory Bus
Eight-channel
—
Memory Bandwidth
204.8 GB/s
—
ECC Memory
Yes
Yes
Platform
Socket
AMD Socket SP3
Intel Socket 3647
PCIe
Gen 4, 128 Lanes(CPU only)
—
AMD Multi-Die
CCDs
8
—
Cores per CCD
6
—
IO Process Size
12 nm
—
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
—
Launch Price
$4995
—
Part Number
100-000000326100-100000326WOF
SR2MESR2X4
Package
FCLGA-4094
FC-LGA3647