AMD Epyc 7401 vs Intel Xeon E3-1275 v2

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AMD Epyc 7401
AMD Epyc 7401 Image
Intel Xeon E3-1275 v2
Intel Xeon E3-1275 v2 Image
AMD Epyc 7401
Intel Xeon E3-1275 v2
Key Differences Key Differences AMD Epyc 7401 Intel Xeon E3-1275 v2
Cores 24 4
CPU Threads 48 8
Base Clock Speed 2GHz 3.5GHz
Turbo Clock Speed 3GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 155W 77W
Has integrated graphics No Yes
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7401 Intel Xeon E3-1275 v2
CPU Speed & Cores 24 x 2GHz 4 x 3.5GHz
Number of CPU Threads 48 8
L2 Cache Size 12MB 1MB
L3 Cache Size 64MB 8MB
Turbo Boost Frequency 3GHz 3.9GHz
L1 Cache Size 1536KB 256KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 2.67MB/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 35
Features Features AMD Epyc 7401 Intel Xeon E3-1275 v2
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 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
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No Yes
General info General info AMD Epyc 7401 Intel Xeon E3-1275 v2
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 22nm
TDP (Thermal Design Point) 155W 77W
PCI Express Version 3 Not Known
Transistor Count 19200 million Not Known
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 650MHz
DirectX Version Info Not Known 11
OpenGL Driver Version Not Known 4
OpenGL Driver Version Not Known 1.2
GPU Boost Clock Speed Not Known 1250MHz
Total GPU Execution Units Not Known 16
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7401 Intel Xeon E3-1275 v2
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 307GB/s 25.6GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes Yes
Bus Frequency Not Known 5GHz
Benchmarks Benchmarks AMD Epyc 7401 Intel Xeon E3-1275 v2
PassMark Score 23518 9449
PassMark Score (Single Thread) 1600 2080

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