AMD Epyc 7742 vs Intel Xeon E5-2665

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AMD Epyc 7742
AMD Epyc 7742 Image
Intel Xeon E5-2665
Intel Xeon E5-2665 Image
AMD Epyc 7742
Intel Xeon E5-2665
Key Differences Key Differences AMD Epyc 7742 Intel Xeon E5-2665
Cores 64 8
CPU Threads 128 16
Base Clock Speed 2.25GHz 2.4GHz
Turbo Clock Speed 3.4GHz 3.1GHz
TDP (THERMAL DESIGN POINT) 225W 115W
Has integrated graphics No 115W
Performance per watt 66.7 127.0
Performance Performance AMD Epyc 7742 Intel Xeon E5-2665
CPU Speed & Cores 64 x 2.25GHz 8 x 2.4GHz
Number of CPU Threads 128 16
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB 20MB
Turbo Boost Frequency 3.4GHz 3.1GHz
L1 Cache Size 4096KB 512KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 4MB/core 2.5MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No Yes
Uses ARM HMP No Yes
Clock Multiplier Not Known 24
Turbo Core Tech Version Not Known Yes
Turbo Boost Tech Version Not Known Yes
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Features Features AMD Epyc 7742 Intel Xeon E5-2665
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 Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
No. of Bits Executed at a Time Not Known Yes
CPU Front-End Width Not Known Yes
Supports ARM TrustZone Tech No Yes
VFP Version Not Known Yes
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General info General info AMD Epyc 7742 Intel Xeon E5-2665
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 225W 115W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known Yes
CPU Temperature Not Known Yes
DirectX Version Info Not Known Yes
Transistor Count Not Known 2270 million
OpenGL Driver Version Not Known Yes
OpenGL Driver Version Not Known Yes
GPU Boost Clock Speed Not Known Yes
Total GPU Execution Units Not Known Yes
No. of Supported Displays Not Known Yes
3DMark06 Score Not Known Yes
Total GPU Shading Units Not Known Yes
Total GPU ROPs Not Known Yes
Total GPU TMUs Not Known Yes
Supports Power Optimized L2 Cache No Yes
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Memory Memory AMD Epyc 7742 Intel Xeon E5-2665
RAM Memory Speed 3200MHz 1600MHz
Max Memory Bandwidth 190.7GB/s 51.2GB/s
Max Memory Channels 8 4
Supported Memory Size 4000GB 750GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Yes
Bus Bandwidth Not Known 8GT/s
eMMC Memory version Not Known Yes
Bus Frequency Not Known Yes
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Benchmarks Benchmarks AMD Epyc 7742 Intel Xeon E5-2665
PassMark Score 67185 12658
PassMark Score (Single Thread) 2376 1586
Geekbench 5 Score (Multi-Thread) 15005 Yes
Cinebench R20 Score (Multi-Thread) 20644 Yes
Cinebench R20 Score (Single Thread) 398 Yes
Geekbench 5 Score (Single Thread) 725 Yes
Blender Score (bmw27) 33.9seconds Yes
Blender Score (Classroom) 95.8seconds Yes
CPU Performance (Per Watt) 66.7 127.0
PassMark Score (Overclocked) Not Known Yes
Power Consumption Under High Load Not Known Yes
Standard Power Consumption Not Known Yes
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