Core 2 Duo P8400 vs Ryzen 7 5800

Aggregate performance score

Ryzen 7 5800
2020
8 cores / 16 threads, 65 Watt
16.52
+2959%
Core 2 Duo P8400
2008
2 cores / 2 threads, 25 Watt
0.54

Ryzen 7 5800 outperforms Core 2 Duo P8400 by a whopping 2959% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5800 and Core 2 Duo P8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4072841
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7Intel Core 2 Duo
Power efficiency23.612.01
Architecture codenameVermeer (2020−2024)Penryn (2008−2011)
Release date5 November 2020 (4 years ago)15 July 2008 (16 years ago)
Launch price (MSRP)no data$209

Detailed specifications

Ryzen 7 5800 and Core 2 Duo P8400 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 cores8 (Octa-Core)2 (Dual-core)
Threads162
Base clock speed3.4 GHz2.26 GHz
Boost clock speed4.6 GHz2.26 GHz
Bus rateno data1066 MHz
Multiplier34no data
L1 cache512 KB128 KB
L2 cache4 MB3 MB
L3 cache32 MB3 MB L2 Cache
Chip lithography7 nm, 12 nm45 nm
Die size81 mm2107 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors4,150 million410 Million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-
VID voltage rangeno data1.05V-1.15V

Compatibility

Information on Ryzen 7 5800 and Core 2 Duo P8400 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 configuration1no data
SocketAM4BGA479,PBGA479,PGA478
Power consumption (TDP)65 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800 and Core 2 Duo P8400. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Ryzen 7 5800 and Core 2 Duo P8400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5800 and Core 2 Duo P8400 are enumerated here.

AMD-V+-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800 and Core 2 Duo P8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200no data
Maximum memory size128 GBno data
Maximum memory bandwidth51.196 GB/sno data

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800 and Core 2 Duo P8400.

PCIe version4.0no 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 7 5800 16.52
+2959%
Core 2 Duo P8400 0.54

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.

Ryzen 7 5800 25745
+2932%
Core 2 Duo P8400 849

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.

Ryzen 7 5800 2081
+643%
Core 2 Duo P8400 280

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.

Ryzen 7 5800 8756
+1771%
Core 2 Duo P8400 468

Gaming performance

Pros & cons summary


Performance score 16.52 0.54
Recency 5 November 2020 15 July 2008
Physical cores 8 2
Threads 16 2
Chip lithography 7 nm 45 nm
Power consumption (TDP) 65 Watt 25 Watt

Ryzen 7 5800 has a 2959.3% higher aggregate performance score, an age advantage of 12 years, 300% more physical cores and 700% more threads, and a 542.9% more advanced lithography process.

Core 2 Duo P8400, on the other hand, has 160% lower power consumption.

The Ryzen 7 5800 is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.

Note that Ryzen 7 5800 is a desktop processor while Core 2 Duo P8400 is a notebook one.


Should you still have questions on choice between Ryzen 7 5800 and Core 2 Duo P8400, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 5800
Ryzen 7 5800
Intel Core 2 Duo P8400
Core 2 Duo P8400

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Community ratings

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Questions & comments

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