AMD EPYC 7763 vs AMD A8-4555M

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CPU comparison with benchmarks


AMD EPYC 7763 CPU1 vs CPU2 AMD A8-4555M
AMD EPYC 7763 AMD A8-4555M

CPU comparison

AMD EPYC 7763 or AMD A8-4555M - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD EPYC 7763 has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7763 was released in Q1/2021.

The AMD A8-4555M has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-4555M was released in Q3/2012.
AMD EPYC (129) Family AMD A (112)
AMD EPYC 7003 (29) CPU group AMD A8-4000M (2)
3 Generation 2
Milan (Zen 3) Architecture Trinity (Piledriver)
Desktop / Server Segment Mobile
AMD EPYC 7662 Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7763 is a 64 core processor with a clock frequency of 2.45 GHz (3.50 GHz). The AMD A8-4555M has 4 CPU cores with a clock frequency of 1.60 GHz (2.40 GHz).

AMD EPYC 7763 Characteristic AMD A8-4555M
64 Cores 4
128 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.45 GHz Frequency 1.60 GHz
3.50 GHz Turbo Frequency (1 Core) 2.40 GHz
3.20 GHz Turbo Frequency (All Cores) 2.40 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 EPYC 7763 Characteristic AMD A8-4555M
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU AMD Radeon HD 7600G
GPU frequency 0.32 GHz
-- GPU (Turbo) 0.43 GHz
-- GPU Generation 4
Technology 32 nm
Max. displays 2
-- Compute units 6
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 GB
-- DirectX Version 11

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.

no iGPU GPU AMD Radeon HD 7600G
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD EPYC 7763 supports a maximum of 4096 GB of memory in 8 memory channels. The AMD A8-4555M can connect up to GB of memory in 2 memory channels.

AMD EPYC 7763 Characteristic AMD A8-4555M
DDR4-3200 Memory DDR3-1333
4096 GB Max. Memory
8 (Octa Channel) Memory channels 2 (Dual Channel)
204.8 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
256.00 MB L3 Cache 4.00 MB
4.0 PCIe version --
128 PCIe lanes --
252.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7763 has a TDP of 280 W, that of the AMD A8-4555M is 19 W.

AMD EPYC 7763 Characteristic AMD A8-4555M
280 W TDP (PL1 / PBP) 19 W
-- TDP (PL2) --
-- TDP up --
225 W TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7763 has a 256.00 MB cache, while the AMD A8-4555M cache has a total of 4.00 MB.

AMD EPYC 7763 Characteristic AMD A8-4555M
7 nm Technology 32 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
SP3 Socket FP2
AMD-V, SVM Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q1/2021 Release date Q3/2012
7890 $ Release price --
show more data show more data


Rate these processors

Here you can rate the AMD EPYC 7763 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the AMD A8-4555M 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 1 CPU benchmarks
AMD EPYC 7763 (100%)
AMD A8-4555M (19%)
⌀ Multi core performance in 2 CPU benchmarks
AMD EPYC 7763 (100%)
AMD A8-4555M (3%)

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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1305 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 GHz
252 (19%)

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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
43120 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 GHz
657 (2%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
85923 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 GHz
2198 (3%)

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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1298 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 GHz
0 (0%)

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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
61455 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1612 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 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 EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
16042 (100%)
AMD A8-4555M AMD A8-4555M
4C 4T @ 2.40 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 EPYC 7763 AMD EPYC 7763
@ 0.00 GHz
0 (0%)
AMD A8-4555M AMD A8-4555M
AMD Radeon HD 7600G @ 0.43 GHz
326 (100%)

Devices using this processor

AMD EPYC 7763 AMD A8-4555M
Unknown Unknown

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