AMD Ryzen 5 7640U vs AMD EPYC 7663

Last updated:

CPU comparison with benchmarks


AMD Ryzen 5 7640U CPU1 vs CPU2 AMD EPYC 7663
AMD Ryzen 5 7640U AMD EPYC 7663

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 7640U and the AMD EPYC 7663 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 7640U 6 core processor released in Q3/2023 with the AMD EPYC 7663 which has 56 CPU cores and was introduced in Q1/2021.
AMD Ryzen 5 (86) Family AMD EPYC (129)
AMD Ryzen 7040 (21) CPU group AMD EPYC 7003 (29)
6 Generation 3
Phoenix (Zen 4) Architecture Milan (Zen 3)
Mobile Segment Desktop / Server
-- Predecessor --
AMD Ryzen 5 8640U Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 7640U is a 6 core processor with a clock frequency of 3.50 GHz (4.90 GHz). The processor can compute 12 threads at the same time. The AMD EPYC 7663 clocks with 2.00 GHz (3.50 GHz), has 56 CPU cores and can calculate 112 threads in parallel.

AMD Ryzen 5 7640U Characteristic AMD EPYC 7663
6 Cores 56
12 Threads 112
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.50 GHz Frequency 2.00 GHz
4.90 GHz Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) 3.00 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen 5 7640U Characteristic AMD EPYC 7663
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 760M GPU no iGPU
0.80 GHz GPU frequency --
2.60 GHz GPU (Turbo) --
10 GPU Generation --
4 nm Technology
4 Max. displays
8 Compute units --
512 Shader --
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

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.

AMD Radeon 760M GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 7640U, while the AMD EPYC 7663 supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled.

AMD Ryzen 5 7640U Characteristic AMD EPYC 7663
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR4-3200
256 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
120.0 GB/s Max. Bandwidth 204.8 GB/s
Yes ECC Yes
6.00 MB L2 Cache --
16.00 MB L3 Cache 256.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 128
39.4 GB/s PCIe Bandwidth 252.0 GB/s

Thermal Management

The AMD Ryzen 5 7640U has a TDP of 28 W. The TDP of the AMD EPYC 7663 is 240 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 7640U Characteristic AMD EPYC 7663
28 W TDP (PL1 / PBP) 240 W
-- TDP (PL2) --
30 W TDP up --
15 W TDP down 225 W
100 °C Tjunction max. --

Technical details

The AMD Ryzen 5 7640U has 22.00 MB cache and is manufactured in 4 nm. The cache of AMD EPYC 7663 is at 256.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 5 7640U Characteristic AMD EPYC 7663
4 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP8 Socket SP3
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q3/2023 Release date Q1/2021
-- Release price 6366 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 7640U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (7 ratings). Rate now:
Here you can rate the AMD EPYC 7663 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 5 7640U (100%)
AMD EPYC 7663 (77%)
⌀ Multi core performance in 0 CPU benchmarks
AMD Ryzen 5 7640U (0%)
AMD EPYC 7663 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1552 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.50 GHz
1298 (84%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1869 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.50 GHz
1298 (69%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
10675 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.00 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
8853 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.00 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
2340 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.50 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
9197 (100%)
AMD EPYC 7663 AMD EPYC 7663
56C 112T @ 3.00 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
AMD EPYC 7663 AMD EPYC 7663
@ 0.00 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
10,675 CB R23 MC @ 24 W
445 (100%)
AMD EPYC 7663 AMD EPYC 7663
2.00 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 7640U AMD EPYC 7663
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD Ryzen 5 7640UAMD Ryzen 7 7840U AMD Ryzen 5 7640U vs AMD Ryzen 7 7840U
2. AMD Ryzen 5 7640UIntel Core i5-1340P AMD Ryzen 5 7640U vs Intel Core i5-1340P
3. AMD Ryzen 5 7640UAMD Ryzen 7 6800U AMD Ryzen 5 7640U vs AMD Ryzen 7 6800U
4. AMD Ryzen Z1AMD Ryzen 5 7640U AMD Ryzen Z1 vs AMD Ryzen 5 7640U
5. AMD Ryzen 7 7735UAMD Ryzen 5 7640U AMD Ryzen 7 7735U vs AMD Ryzen 5 7640U
6. AMD Ryzen 5 7640UIntel Core i7-1360P AMD Ryzen 5 7640U vs Intel Core i7-1360P
7. AMD Ryzen 5 7640UAMD Ryzen 5 7530U AMD Ryzen 5 7640U vs AMD Ryzen 5 7530U
8. AMD Ryzen 5 7640UIntel Core i5-1135G7 AMD Ryzen 5 7640U vs Intel Core i5-1135G7
9. AMD Ryzen 7 7730UAMD Ryzen 5 7640U AMD Ryzen 7 7730U vs AMD Ryzen 5 7640U
10. AMD Ryzen 5 7640UIntel Core i7-1165G7 AMD Ryzen 5 7640U vs Intel Core i7-1165G7


back to index