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
INTEL
Xeon 6745P
CORE STATE
Granite Rapids
CORE SPECS
32 Cores / 64 Threads
CLOCK SPEED
3.1 Base / 4.3 GHz Turbo
CACHE
336 MB (shared)
MAX TDP
300W
ARCHITECTURE
Granite Rapids
PROCESS
5 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
Analysis: AMD EPYC 7643P vs Intel Xeon 6745P
Examining the test results for AMD's AMD EPYC 7643P and Xeon 6745P, a pattern of competitive processing emerges. No CPU dominates steadily across all benchmarks. This back-and-forth of wins suggests fundamental balance. Buyers encounter a actual decision between them. Both CPUs offer competent performance.
To summarize, the analysis between AMD's AMD EPYC 7643P and Xeon 6745P ends in a effective deadlock. Speed variations are small and unlikely to change real-world experience. Focus your choice on price, chipset options, and individual functionality needs. Both are excellent options. The tie is actual.
DETAILED SPECIFICATIONS
SPECIFICATION
EPYC 7643P
6745P
Core Specs
Cores
48
32
-33.3%
Threads
96
64
-33.3%
Base Clock (GHz)
2.3
3.1
+34.8%
Boost Clock (GHz)
3.6
4.3
+19.4%
Frequency (GHz)
2.3
3.1
+34.8%
Turbo Clock (GHz)
3.6
4.3
+19.4%
Multiplier
23
31
+34.8%
SMP CPUs
1
2
+100.0%
Cache
L1 Cache
64 KB (per core)
112 KB (per core)
L2 Cache
512 KB (per core)
2 MB (per core)
L3 Cache
256 MB (shared)
336 MB (shared)
Power
TDP (W)
225
300
+33.3%
Configurable TDP
240 W
—
Architecture
Architecture
Zen 3
Granite Rapids
Codename
Milan
Granite Rapids
Generation
EPYC
(Zen 3 (Milan))
Xeon 6
(Granite Rapids-SP)
Process Size
7 nm
5 nm
Transistors
33,200 million
—
Die Size
8x 81 mm²
2x 598 mm²
Foundry
TSMC
Intel
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
Intel Socket 4710
PCIe
Gen 4, 128 Lanes(CPU only)
Gen 5, 88 Lanes(CPU only)
AMD Multi-Die
CCDs
8
—
Cores per CCD
8
—
IO Process Size
12 nm
10 nm
Interconnect
UPI Links
—
4 x24 24 GT/s
CXL
—
Gen 2.0, 64 Lanes (Shared with PCI-E)
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
Active
Launch Price
$2722
$5250
Part Number
100-000001285
SRWPAQ7L9
Package
FCLGA-4094
FC-LGA18N
Tj Max
—
97°C
Bundled Cooler
—
None