AMD Epyc 7642 vs Intel Xeon E3-1245

AMD Epyc 7642
AMD Epyc 7642 Image
Intel Xeon E3-1245
Intel Xeon E3-1245 Image
AMD Epyc 7642
Intel Xeon E3-1245
Key Differences Key Differences AMD Epyc 7642 Intel Xeon E3-1245
Cores 48 4
CPU Threads 96 8
Base Clock Speed 2.3GHz 3.3GHz
Turbo Clock Speed 3.3GHz 3.7GHz
Has integrated graphics No Yes
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7642 Intel Xeon E3-1245
CPU Speed & Cores 48 x 2.3GHz 4 x 3.3GHz
Number of CPU Threads 96 8
L2 Cache Size 24MB 1MB
L3 Cache Size 256MB 8MB
Turbo Boost Frequency 3.3GHz 3.7GHz
L1 Cache Size 3072KB 256KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 5.33MB/core 2MB/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 33
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Features Features AMD Epyc 7642 Intel Xeon E3-1245
Has AES Support Yes Yes
Supported SSE Version 4.2 Not Known
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
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General info General info AMD Epyc 7642 Intel Xeon E3-1245
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 225W 95W
PCI Express Version 4 2
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 850MHz
CPU Temperature Not Known 72.6°C
DirectX Version Info Not Known 10.1
OpenGL Driver Version Not Known 3.1
GPU Boost Clock Speed Not Known 1350MHz
Total GPU Execution Units Not Known 12
No. of Supported Displays Not Known 2
3DMark06 Score Not Known Yes
Supports Power Optimized L2 Cache No Yes
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Memory Memory AMD Epyc 7642 Intel Xeon E3-1245
RAM Memory Speed 3200MHz 1333MHz
Max Memory Bandwidth 190.7GB/s 21GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 5GT/s
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Benchmarks Benchmarks AMD Epyc 7642 Intel Xeon E3-1245
PassMark Score Not Known 5315
PassMark Score (Single Thread) Not Known 1735
Power Consumption Under High Load Not Known Yes
Standard Power Consumption Not Known Yes
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