Ryzen 7 5800H vs Core 2 Quad Q8400

VS

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
Ryzen 7 5800H
2021
8 cores / 16 threads, 54 Watt
13.22
+917%

Ryzen 7 5800H outperforms Core 2 Quad Q8400 by a whopping 917% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Ryzen 7 5800H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2268561
Place by popularitynot in top-10081
Market segmentDesktop processorLaptop
Seriesno dataAMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency1.3023.17
Architecture codenameYorkfield (2007−2009)Cezanne-H (Zen 3) (2021)
Release date19 April 2009 (15 years ago)12 January 2021 (3 years ago)

Detailed specifications

Core 2 Quad Q8400 and Ryzen 7 5800H 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)8 (Octa-Core)
Threads416
Base clock speed2.66 GHz3.2 GHz
Boost clock speed0.67 GHz4.4 GHz
Bus rate1333 MHzno data
Multiplierno data32
L1 cache64 KB (per core)64K (per core)
L2 cache4 MB (shared)512K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography45 nm7 nm
Die size2x 82 mm2156 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million9,800 million
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Ryzen 7 5800H 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
SocketFCLGA775,LGA775FP6
Power consumption (TDP)95 Watt54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Ryzen 7 5800H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Ryzen 7 5800H technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Ryzen 7 5800H are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Ryzen 7 5800H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Ryzen 7 5800H.

PCIe version2.03.0

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.

Core 2 Quad Q8400 1.30
Ryzen 7 5800H 13.22
+917%

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.

Core 2 Quad Q8400 2067
Ryzen 7 5800H 21005
+916%

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.

Core 2 Quad Q8400 328
Ryzen 7 5800H 1763
+438%

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.

Core 2 Quad Q8400 896
Ryzen 7 5800H 7229
+707%

Gaming performance

Pros & cons summary


Performance score 1.30 13.22
Recency 19 April 2009 12 January 2021
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 7 nm
Power consumption (TDP) 95 Watt 54 Watt

Ryzen 7 5800H has a 916.9% higher aggregate performance score, an age advantage of 11 years, 100% more physical cores and 300% more threads, a 542.9% more advanced lithography process, and 75.9% lower power consumption.

The Ryzen 7 5800H is our recommended choice as it beats the Core 2 Quad Q8400 in performance tests.

Note that Core 2 Quad Q8400 is a desktop processor while Ryzen 7 5800H is a notebook one.


Should you still have questions on choice between Core 2 Quad Q8400 and Ryzen 7 5800H, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
AMD Ryzen 7 5800H
Ryzen 7 5800H

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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