Ryzen 5 3550H vs Phenom II X4 820

Aggregate performance score

Phenom II X4 820
2009
4 cores / 4 threads, 95 Watt
1.36
Ryzen 5 3550H
2019
4 cores / 8 threads, 35 Watt
5.07
+273%

Ryzen 5 3550H outperforms Phenom II X4 820 by a whopping 273% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 820 and Ryzen 5 3550H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22511226
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.10no data
Market segmentDesktop processorLaptop
Seriesno dataAMD Ryzen 5
Power efficiency1.3113.21
Architecture codenameDeneb (2009−2011)Picasso-U (Zen+) (2019−2020)
Release date1 September 2009 (15 years ago)6 January 2019 (5 years ago)
Launch price (MSRP)$90no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 820 and Ryzen 5 3550H 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 cores4 (Quad-Core)4 (Quad-Core)
Threads48
Base clock speed2.8 GHz2.1 GHz
Boost clock speed2.8 GHz3.7 GHz
Bus typeno dataPCIe 3.0
Multiplierno data21
L1 cache128 KB (per core)384 KB
L2 cache512 KB (per core)2 MB
L3 cache4 MB (shared)4 MB (shared)
Chip lithography45 nm12 nm
Die size258 mm2209.78 mm2
Maximum core temperatureno data105 °C
Number of transistors758 million4940 Million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Phenom II X4 820 and Ryzen 5 3550H 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 configuration11 (Uniprocessor)
SocketAM3FP5
Power consumption (TDP)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 820 and Ryzen 5 3550H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 820 and Ryzen 5 3550H are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 820 and Ryzen 5 3550H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.4 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon RX Vega 8 (Ryzen 2000/3000)

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 820 and Ryzen 5 3550H.

PCIe version2.03.0
PCI Express lanesno data12

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.

Phenom II X4 820 1.36
Ryzen 5 3550H 5.07
+273%

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.

Phenom II X4 820 2081
Ryzen 5 3550H 7766
+273%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Phenom II X4 820 314
Ryzen 5 3550H 940
+199%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Phenom II X4 820 923
Ryzen 5 3550H 2856
+209%

Gaming performance

Pros & cons summary


Performance score 1.36 5.07
Recency 1 September 2009 6 January 2019
Threads 4 8
Chip lithography 45 nm 12 nm
Power consumption (TDP) 95 Watt 35 Watt

Ryzen 5 3550H has a 272.8% higher aggregate performance score, an age advantage of 9 years, 100% more threads, a 275% more advanced lithography process, and 171.4% lower power consumption.

The Ryzen 5 3550H is our recommended choice as it beats the Phenom II X4 820 in performance tests.

Note that Phenom II X4 820 is a desktop processor while Ryzen 5 3550H is a notebook one.


Should you still have questions on choice between Phenom II X4 820 and Ryzen 5 3550H, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 820
Phenom II X4 820
AMD Ryzen 5 3550H
Ryzen 5 3550H

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Community ratings

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Questions & comments

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