CPU Comparison
AMD
AMD EPYC 7663
CORE STATE
Milan
CORE SPECS
56 Cores / 112 Threads
CLOCK SPEED
2000 Base / 3.5 GHz Turbo
CACHE
256 MB (shared)
MAX TDP
240W
ARCHITECTURE
Zen 3
PROCESS
7 nm
LAUNCH DATE
2021
VS
AMD
Ryzen 9 3900
CORE STATE
Matisse
CORE SPECS
12 Cores / 24 Threads
CLOCK SPEED
3.1 Base / 4.3 GHz Turbo
CACHE
64 MB
MAX TDP
65W
ARCHITECTURE
Zen 2
PROCESS
7 nm
LAUNCH DATE
2019
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 7663
9 3900
Core Specs
Cores
56
12
-78.6%
Threads
112
24
-78.6%
Base Clock (GHz)
2,000
3.1
-99.8%
Boost Clock (GHz)
3.5
4.3
+22.9%
Frequency (GHz)
2,000
3.1
-99.8%
Turbo Clock (GHz)
3.5
4.3
+22.9%
Multiplier
20
31
+55.0%
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)
64 MB
Power
TDP (W)
240
65
-72.9%
PPT
ā
88 W
Configurable TDP
225 W
ā
Architecture
Architecture
Zen 3
Zen 2
Codename
Milan
Matisse
Generation
EPYC
(Zen 3 (Milan))
Ryzen 9
(Zen 2 (Matisse))
Process Size
7 nm
7 nm
Transistors
33,200 million
7,600 million
Die Size
8x 81 mmĀ²
2x 74 mmĀ²
Foundry
TSMC
TSMC
Memory
Memory Support
DDR4
DDR4
Memory Bus
Eight-channel
Dual-channel
Memory Bandwidth
204.8 GB/s
51.2 GB/s
ECC Memory
Yes
No
Platform
Socket
AMD Socket SP3
AMD Socket AM4
Chipsets
ā
A300, X300, A320, B350, X370, B450, X470, A520, B550, X570
PCIe
Gen 4, 128 Lanes(CPU only)
Gen 4, 24 Lanes(CPU only)
AMD Multi-Die
CCDs
8
ā
Cores per CCD
7
ā
IO Process Size
12 nm
12 nm
Other
Market
Server/Workstation
Desktop
Production Status
Active
Active
Launch Price
$6366
$499
Part Number
100-000000318100-100000318WOF
100-000000070
Package
FCLGA-4094
ĀµOPGA-1331
Tj Max
ā
95Ā°C