AMD EPYC 7663 vs AMD EPYC 7662

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD EPYC 7663 or AMD EPYC 7663 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD EPYC 7663 features 56 processor cores and has the capability to manage 112 threads concurrently.
It was released in Q1/2021 and belongs to the 3 generation of the AMD EPYC series.
To use the AMD EPYC 7663, you'll need a motherboard with a SP3 socket.
The AMD EPYC 7662 features 64 processor cores and has the capability to manage 128 threads concurrently.
It was released in Q1/2020 and belongs to the 2 generation of the AMD EPYC series.
To use the AMD EPYC 7662, you'll need a motherboard with a SP3 socket.
AMD EPYC 7003 Group AMD EPYC 7002
3 Generation 2
AMD EPYC 7663 Name AMD EPYC 7662
Desktop / Server Segment Desktop / Server
AMD EPYC Family AMD EPYC
 
 

CPU Cores and Base Frequency

The AMD EPYC 7663 has 56 CPU cores and can calculate 112 threads in parallel.
The clock frequency of the AMD EPYC 7663 is 2.0 GHz
and turbo frequency for one core is 3.5 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD EPYC 7662 has 64 CPU cores and can calculate 128 threads in parallel.
The clock frequency of the AMD EPYC 7662 is 2.0 GHz
and turbo frequency for one core is 3.3 GHz.
3.5 GHz Turbo Frequency (1 core) 3.3 GHz
normal Core architecture normal
2.0 GHz Frequency 2.0 GHz
56 CPU Cores 64
No Overclocking No
Yes Hyperthreading Yes
56x Zen 3 Cores 64x
112 Threads 128
 
 

Internal Graphics

The AMD EPYC 7663 does not have integrated graphics.
The AMD EPYC 7662 does not have integrated graphics.
-- GPU (Turbo) --
-- Technology --
-- Direct X --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Release date --
GPU name
-- Shaders --
-- GPU frequency --
-- Generation --
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
-- h265 / HEVC (8 bit) --
-- VP9 --
-- VP8 --
-- VC-1 --
-- JPEG --
-- h264 --
-- h265 / HEVC (10 bit) --
-- AVC --
-- AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 4.0 TB distributed across 8 memory channels. It offers a peak memory bandwidth of 204.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR4-3200 Memory type DDR4-3200
204.8 GB/s Bandwidth 204.8 GB/s
Yes AES-NI Yes
Yes ECC Yes
pci PCIe pci
4.0 TB Max. Memory 0 bytes
8 Memory channels 8
 
 

Thermal Management

The processor has a thermal design power (TDP) of 240 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 225 W watts.
225 W TDP down None
240 W TDP (PL1 / PBP) 225 W
-- Tjunction max --
 
 

Technical details

The AMD EPYC 7663 is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 256.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD EPYC 7662 is manufactured using a 7 nm process.
AMD-V, SVM Virtualization AMD-V, SVM
7 nm Technology 7 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
-- Part Number --
Chiplet Chip design Chiplet
Q1/2021 Release date Q1/2020
6366 $ Release price --
0 bytes L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
256.0 MB L3-Cache 256.0 MB
SP3 Socket SP3
Windows 10, Linux Operating systems Windows 10, Linux
Milan (Zen 3) Architecture Rome (Zen 2)