A6-4455M vs Ryzen 5 4500U
Aggregate performance score
Ryzen 5 4500U outperforms A6-4455M by a whopping 1286% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 4500U and A6-4455M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 940 | 2767 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Renoir (Ryzen 4000 APU) | AMD A-Series |
| Architecture codename | Renoir-U (Zen 2) | Trinity (2012−2013) |
| Release date | 6 January 2020 (4 years ago) | 15 May 2012 (12 years ago) |
| Current price | $527 | $449 |
Detailed specifications
Ryzen 5 4500U and A6-4455M basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 6 | 2 |
| Base clock speed | 2.3 GHz | 2.1 GHz |
| Boost clock speed | 4 GHz | 2.6 GHz |
| L1 cache | 384 KB | 92 KB |
| L2 cache | 3 MB | 2 MB (shared) |
| L3 cache | 8 MB | 0 KB |
| Chip lithography | 7 nm | 32 nm |
| Die size | 156 mm2 | 246 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 100 °C |
| Number of transistors | 9800 Million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 5 4500U and A6-4455M compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FP6 | FP2 |
| Power consumption (TDP) | 15 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 4500U and A6-4455M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | DDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 4500U and A6-4455M are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 4500U and A6-4455M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | unknown Dual-channel |
| Maximum memory size | 64 GB | no data |
| Maximum memory bandwidth | 68.27 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 6 (Ryzen 4000/5000) | AMD Radeon HD 7500G |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 4500U and A6-4455M.
| PCIe version | 3.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Ryzen 5 4500U outperforms A6-4455M by 1286% based on our aggregate benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Ryzen 5 4500U outperforms A6-4455M by 1279% in Passmark.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Ryzen 5 4500U outperforms A6-4455M by 216% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Ryzen 5 4500U outperforms A6-4455M by 829% in Cinebench 10 32-bit multi-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
Ryzen 5 4500U outperforms A6-4455M by 558% in 3DMark06 CPU.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
A6-4455M outperforms Ryzen 5 4500U by 645% in wPrime 32.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Ryzen 5 4500U outperforms A6-4455M by 1169% in Cinebench 11.5 64-bit multi-core.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
Benchmark coverage: 14%
Ryzen 5 4500U outperforms A6-4455M by 227% in Cinebench 11.5 64-bit single-core.
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
Benchmark coverage: 13%
Ryzen 5 4500U outperforms A6-4455M by 861% in TrueCrypt AES.
WinRAR 4.0
WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.
Benchmark coverage: 13%
Ryzen 5 4500U outperforms A6-4455M by 304% in WinRAR 4.0.
x264 encoding pass 2
x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.
Benchmark coverage: 13%
Ryzen 5 4500U outperforms A6-4455M by 935% in x264 encoding pass 2.
x264 encoding pass 1
x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.
Benchmark coverage: 13%
Ryzen 5 4500U outperforms A6-4455M by 585% in x264 encoding pass 1.
Geekbench 2
Benchmark coverage: 5%
Ryzen 5 4500U outperforms A6-4455M by 449% in Geekbench 2.
Pros & cons summary
| Performance score | 7.07 | 0.51 |
| Integrated graphics card | 6.26 | 0.79 |
| Recency | 6 January 2020 | 15 May 2012 |
| Physical cores | 6 | 2 |
| Threads | 6 | 2 |
| Chip lithography | 7 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 17 Watt |
The Ryzen 5 4500U is our recommended choice as it beats the A6-4455M in performance tests.
Should you still have questions on choice between Ryzen 5 4500U and A6-4455M, ask them in Comments section, and we shall answer.
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