Ryzen 7 5700X3D vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.35
Ryzen 7 5700X3D
2024
8 cores / 16 threads, 105 Watt
17.22
+1176%

Ryzen 7 5700X3D outperforms Core 2 Quad Q8400 by a whopping 1176% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Ryzen 7 5700X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2240383
Place by popularitynot in top-10092
Cost-effectiveness evaluationno data48.10
Market segmentDesktop processorDesktop processor
Architecture codenameYorkfield (2007−2009)Vermeer (2020−2024)
Release date19 April 2009 (15 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)no data$249

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q8400 and Ryzen 7 5700X3D 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 GHz
Boost clock speed0.67 GHz4.1 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)64 KB (per core)
L2 cache4 MB (shared)512 KB (per core)
L3 cache0 KB96 MB (shared)
Chip lithography45 nm7 nm
Die size2x 82 mm274 mm2
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million8,850 million
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Ryzen 7 5700X3D 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,LGA775AM4
Power consumption (TDP)95 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Ryzen 7 5700X3D. You'll probably need this information if you require some particular technology.

AES-NI-+
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
StatusDiscontinuedno data
Precision Boost 2no data+

Security technologies

Core 2 Quad Q8400 and Ryzen 7 5700X3D 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 5700X3D 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 5700X3D. 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)N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Ryzen 7 5700X3D.

PCIe version2.04.0
PCI Express lanesno data20

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 1.35
Ryzen 7 5700X3D 17.22
+1176%

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 2066
Ryzen 7 5700X3D 26303
+1173%

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 327
Ryzen 7 5700X3D 1926
+489%

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 892
Ryzen 7 5700X3D 10140
+1037%

Gaming performance

Pros & cons summary


Performance score 1.35 17.22
Recency 19 April 2009 8 January 2024
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 7 nm
Power consumption (TDP) 95 Watt 105 Watt

Core 2 Quad Q8400 has 10.5% lower power consumption.

Ryzen 7 5700X3D, on the other hand, has a 1175.6% higher aggregate performance score, an age advantage of 14 years, 100% more physical cores and 300% more threads, and a 542.9% more advanced lithography process.

The Ryzen 7 5700X3D is our recommended choice as it beats the Core 2 Quad Q8400 in performance tests.


Should you still have questions on choice between Core 2 Quad Q8400 and Ryzen 7 5700X3D, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Quad Q8400
Core 2 Quad Q8400
AMD Ryzen 7 5700X3D
Ryzen 7 5700X3D

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


4 1304 votes

Rate Core 2 Quad Q8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 758 votes

Rate Ryzen 7 5700X3D on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Ryzen 7 5700X3D, agree or disagree with our judgements, or report an error or mismatch.