AMD Epyc 7742 vs Intel Xeon E7-8855 v4

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AMD Epyc 7742
AMD Epyc 7742 Image
Intel Xeon E7-8855 v4
Intel Xeon E7-8855 v4 Image
AMD Epyc 7742
Intel Xeon E7-8855 v4
Key Differences Key Differences AMD Epyc 7742 Intel Xeon E7-8855 v4
Cores 64 14
CPU Threads 128 28
Base Clock Speed 2.25GHz 2.1GHz
Turbo Clock Speed 3.4GHz 2.8GHz
TDP (THERMAL DESIGN POINT) 225W 140W
Has integrated graphics No No
Performance per watt 66.7 Not Known
Performance Performance AMD Epyc 7742 Intel Xeon E7-8855 v4
CPU Speed & Cores 64 x 2.25GHz 14 x 2.1GHz
Number of CPU Threads 128 28
L2 Cache Size 32MB 3.5MB
L3 Cache Size 256MB 35MB
Turbo Boost Frequency 3.4GHz 2.8GHz
L1 Cache Size 4096KB 896KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 4MB/core 2.5MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 21
Turbo Boost Tech Version Not Known 2
Features Features AMD Epyc 7742 Intel Xeon E7-8855 v4
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 No
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 Intel Xeon E7-8855 v4
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 140W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature Not Known 73°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 Intel Xeon E7-8855 v4
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 190.7GB/s 102GB/s
Max Memory Channels 8 4
Supported Memory Size 4000GB 3072GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7742 Intel Xeon E7-8855 v4
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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