AMD Phenom II X4 945 vs. AMD EPYC 7251

CPU Comparison, Reviews and Tests

In depth comparison and review of AMD Phenom II X4 945 and AMD EPYC 7251. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

AMD Phenom II X4 945 vs. AMD EPYC 7251 Benchmark Chart
GENERAL AMD Phenom II X4 945 AMD EPYC 7251
Product Type Processor Processor
PROCESSOR AMD Phenom II X4 945 AMD EPYC 7251
Type AMD Phenom II X4 945 AMD EPYC 7251
ARCHITECTURE
Processor Qty 1 1
Max Supported Qty 1 -
Compatible Processor Socket Socket AM3 Socket SP3
Power Efficiency Energy Efficient -
Manufacturing Process 45 nm -
Thermal Design Power 95 W 120 W
Thermal Specification 71 °C -
PCI Express Revision - 3.0
PCI Express Lanes Qty - 128
Architecture Features HyperTransport technology, AMD64 technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology "Zen" Core Architecture
PERFORMANCE
Number of Cores Quad-Core 8-core
Number of Threads - 16 threads
Clock Speed (Frequency) 3 GHz 2.1 GHz
Max Turbo Speed - 2.9 GHz
64-bit Computing Yes -
CACHE MEMORY
Cache - 32 MB
Cache Memory Details L2 - 4 x 512 KB
L3 - 6 MB
L3 - 32 MB
L2 - 4 MB
Installed Size 6 MB -
EXPANSION & CONNECTIVITY AMD Phenom II X4 945 AMD EPYC 7251
Compatible Slots 1 x processor - Socket AM3 -
MISCELLANEOUS AMD Phenom II X4 945 AMD EPYC 7251
Included Accessories - Heat sink
Service & Support Limited warranty - 3 years -
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