i5-9400 vs Phenom X3 8550

Aggregate performance score

Phenom X3 8550
2008
3 cores / 3 threads, 95 Watt
0.71

Core i5-9400 outperforms Phenom X3 8550 by a whopping 763% based on our aggregate benchmark results.

Primary details

Comparing Phenom X3 8550 and Core i5-9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27181093
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.139.57
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiency0.688.60
Architecture codenameToliman (2008)Coffee Lake (2017−2019)
Release dateApril 2008 (16 years ago)7 January 2019 (5 years ago)
Launch price (MSRP)$170$182

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-9400 has 349% better value for money than Phenom X3 8550.

Detailed specifications

Phenom X3 8550 and Core i5-9400 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 cores3 (Tri-Core)6 (Hexa-Core)
Threads36
Base clock speedno data2.9 GHz
Boost clock speed2.2 GHz4.1 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data29
L1 cache128 KB (per core)384 KB
L2 cache512 KB (per core)1.5 MB
L3 cache2 MB (shared)9 MB (shared)
Chip lithography65 nm14 nm
Die size285 mm2149 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors450 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Phenom X3 8550 and Core i5-9400 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)
SocketAM2+FCLGA1151
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom X3 8550 and Core i5-9400. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Phenom X3 8550 and Core i5-9400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X3 8550 and Core i5-9400 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X3 8550 and Core i5-9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Phenom X3 8550 and Core i5-9400 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Phenom X3 8550 and Core i5-9400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Phenom X3 8550 and Core i5-9400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Phenom X3 8550 and Core i5-9400.

PCIe versionno data3.0
PCI Express lanesno data16

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 X3 8550 0.71
i5-9400 6.13
+763%

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 X3 8550 1079
i5-9400 9377
+769%

Gaming performance

Pros & cons summary


Performance score 0.71 6.13
Physical cores 3 6
Threads 3 6
Chip lithography 65 nm 14 nm
Power consumption (TDP) 95 Watt 65 Watt

i5-9400 has a 763.4% higher aggregate performance score, 100% more physical cores and 100% more threads, a 364.3% more advanced lithography process, and 46.2% lower power consumption.

The Core i5-9400 is our recommended choice as it beats the Phenom X3 8550 in performance tests.


Should you still have questions on choice between Phenom X3 8550 and Core i5-9400, ask them in Comments section, and we shall answer.

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AMD Phenom X3 8550
Phenom X3 8550
Intel Core i5-9400
Core i5-9400

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Community ratings

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Questions & comments

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