AMD Epyc 7742 vs AMD Athlon X4 940

VS
AMD Epyc 7742
AMD Epyc 7742 Image
AMD Athlon X4 940
AMD Athlon X4 940 Image
AMD Epyc 7742
AMD Athlon X4 940
Key Differences Key Differences AMD Epyc 7742 AMD Athlon X4 940
Cores 64 4
CPU Threads 128 4
Base Clock Speed 2.25GHz 3.2GHz
Turbo Clock Speed 3.4GHz 3.6GHz
TDP (THERMAL DESIGN POINT) 225W 65W
Has integrated graphics No No
Performance per watt 66.7 Not Known
Performance Performance AMD Epyc 7742 AMD Athlon X4 940
CPU Speed & Cores 64 x 2.25GHz 4 x 3.2GHz
Number of CPU Threads 128 4
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB Not Known
Turbo Boost Frequency 3.4GHz 3.6GHz
L1 Cache Size 4096KB 320KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core Not Known
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7742 AMD Athlon X4 940
Has AES Support Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Has FMA4 Instructions Support No Yes
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes No
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 AMD Athlon X4 940
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 28nm
TDP (Thermal Design Point) 225W 65W
PCI Express Version 4 3
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Athlon X4 940
RAM Memory Speed 3200MHz 2400MHz
Max Memory Bandwidth 190.7GB/s 38.4GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Epyc 7742 AMD Athlon X4 940
PassMark Score 67185 Not Known
PassMark Score (Single Thread) 2376 Not Known
Geekbench 5 Score (Multi-Thread) 15005 Not Known
Cinebench R20 Score (Multi-Thread) 20644 Not Known
Cinebench R20 Score (Single Thread) 398 Not Known
Geekbench 5 Score (Single Thread) 725 Not Known
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 Not Known

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