AMD Ryzen 5 8640U vs AMD A4-3300M

Last updated:

CPU comparison with benchmarks


AMD Ryzen 5 8640U CPU1 vs CPU2 AMD A4-3300M
AMD Ryzen 5 8640U AMD A4-3300M

CPU comparison

AMD Ryzen 5 8640U or AMD A4-3300M - 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 Ryzen 5 8640U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8640U was released in Q1/2024.

The AMD A4-3300M has 2 cores with 2 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A4-3300M was released in Q2/2011.
AMD Ryzen 5 (85) Family AMD A (112)
AMD Ryzen 8040 (20) CPU group AMD A4-3000M (5)
7 Generation 1
Hawk Point (Zen 4) Architecture Llano (K10)
Mobile Segment Mobile
AMD Ryzen 5 7640U Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8640U has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8640U is 3.50 GHz (4.90 GHz) while the AMD A4-3300M has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A4-3300M is at 1.90 GHz (2.50 GHz).
AMD Ryzen 5 8640U Characteristic AMD A4-3300M
6 Cores 2
12 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
3.50 GHz Frequency 1.90 GHz
4.90 GHz Turbo Frequency (1 Core) 2.50 GHz
-- Turbo Frequency (All Cores) 2.50 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
AMD Ryzen 5 8640U Characteristic AMD A4-3300M
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Ryzen 5 8640U or AMD A4-3300M has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
AMD Radeon 760M GPU AMD Radeon HD 6480G
0.80 GHz GPU frequency 0.44 GHz
2.60 GHz GPU (Turbo) --
10 GPU Generation 3
4 nm Technology 32 nm
4 Max. displays 2
8 Compute units 3
512 Shader 240
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 1 GB
12 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.
AMD Radeon 760M GPU AMD Radeon HD 6480G
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 5 8640U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The AMD A4-3300M supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.
AMD Ryzen 5 8640U Characteristic AMD A4-3300M
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR3-1333
256 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
6.00 MB L2 Cache --
16.00 MB L3 Cache 2.00 MB
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 8640U is 28 W, while the AMD A4-3300M has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 5 8640U Characteristic AMD A4-3300M
28 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
30 W TDP up --
15 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 5 8640U is manufactured in 4 nm and has 22.00 MB cache. The AMD A4-3300M is manufactured in 32 nm and has a 2.00 MB cache.
AMD Ryzen 5 8640U Characteristic AMD A4-3300M
4 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE3, SSE4a
FP8 Socket FS1
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems
Q1/2024 Release date Q2/2011
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 8640U to help other visitors make their purchasing decisions. The average rating is 4.0 stars (3 ratings). Rate now:
Here you can rate the AMD A4-3300M 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 Ryzen 5 8640U (100%)
AMD A4-3300M (14%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen 5 8640U (100%)
AMD A4-3300M (5%)

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 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1869 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 GHz
257 (14%)

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 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
8853 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 GHz
467 (5%)

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 8640U AMD Ryzen 5 8640U
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
AMD A4-3300M AMD A4-3300M
AMD Radeon HD 6480G @ 0.44 GHz
213 (8%)

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 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1552 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 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 Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
10675 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 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 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
2340 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 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 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
9197 (100%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 GHz
0 (0%)

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 Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
0 (0%)
AMD A4-3300M AMD A4-3300M
2C 2T @ 2.50 GHz
1242 (100%)

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 8640U AMD Ryzen 5 8640U
10,675 CB R23 MC @ 24 W
445 (100%)
AMD A4-3300M AMD A4-3300M
1.90 GHz
0 (0%)

Devices using this processor
AMD Ryzen 5 8640U AMD A4-3300M
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD A4-5100AMD A4-3300M AMD A4-5100 vs AMD A4-3300M
2. Intel Core i3-3220TAMD A4-3300M Intel Core i3-3220T vs AMD A4-3300M
3. Intel Core i5-4200UAMD A4-3300M Intel Core i5-4200U vs AMD A4-3300M
4. AMD A4-3300MIntel Core i5-4250U AMD A4-3300M vs Intel Core i5-4250U
5. AMD A8-6600KAMD A4-3300M AMD A8-6600K vs AMD A4-3300M
6. AMD A4-3300MIntel Core i5-4210U AMD A4-3300M vs Intel Core i5-4210U
7. Intel Core i7-4770KAMD A4-3300M Intel Core i7-4770K vs AMD A4-3300M
8. AMD A4-3300MIntel Pentium N3530 AMD A4-3300M vs Intel Pentium N3530
9. Intel Pentium N3510AMD A4-3300M Intel Pentium N3510 vs AMD A4-3300M
10. Intel Pentium J2900AMD A4-3300M Intel Pentium J2900 vs AMD A4-3300M


back to index