Ryzen 9 3900X vs Core 2 Quad Q9550

Aggregate performance score

Core 2 Quad Q9550
4 cores / 4 threads, 95 Watt
1.47
Ryzen 9 3900X
2019
12 cores / 24 threads, 125 Watt
20.53
+1297%

Ryzen 9 3900X outperforms Core 2 Quad Q9550 by a whopping 1297% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2158269
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data20.91
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)AMD Ryzen 9
Power efficiency1.4615.54
Architecture codenameYorkfield (2007−2009)Matisse (Zen 2) (2019−2020)
Release dateno data (2024 years ago)7 July 2019 (5 years ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X 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)12 (Dodeca-Core)
Threads424
Base clock speedno data3.8 GHz
Boost clock speed2.83 GHz4.6 GHz
Bus rate1333 MHzno data
L1 cacheno data96K (per core)
L2 cache12288 KB512K (per core)
L3 cacheno data64 MB
Chip lithography45 nm7 nm, 12 nm
Maximum core temperatureno data95 °C
Number of transistorsno data19,200 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X 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 configurationno data1 (Uniprocessor)
SocketLGA775AM4
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Ryzen 9 3900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3DDR4 Dual-channel
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

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 Q9550 1.47
Ryzen 9 3900X 20.53
+1297%

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 Q9550 2338
Ryzen 9 3900X 32617
+1295%

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 Q9550 370
Ryzen 9 3900X 1710
+362%

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 Q9550 1038
Ryzen 9 3900X 9948
+858%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Quad Q9550 3106
Ryzen 9 3900X 6019
+93.8%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Quad Q9550 10825
Ryzen 9 3900X 45539
+321%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Quad Q9550 4230
Ryzen 9 3900X 14889
+252%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Core 2 Quad Q9550 3
Ryzen 9 3900X 34
+899%

Gaming performance

Pros & cons summary


Performance score 1.47 20.53
Physical cores 4 12
Threads 4 24
Chip lithography 45 nm 7 nm
Power consumption (TDP) 95 Watt 125 Watt

Core 2 Quad Q9550 has 31.6% lower power consumption.

Ryzen 9 3900X, on the other hand, has a 1296.6% higher aggregate performance score, 200% more physical cores and 500% more threads, and a 542.9% more advanced lithography process.

The Ryzen 9 3900X is our recommended choice as it beats the Core 2 Quad Q9550 in performance tests.


Should you still have questions on choice between Core 2 Quad Q9550 and Ryzen 9 3900X, 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 Q9550
Core 2 Quad Q9550
AMD Ryzen 9 3900X
Ryzen 9 3900X

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.


4.1 1865 votes

Rate Core 2 Quad Q9550 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.7 5146 votes

Rate Ryzen 9 3900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q9550 or Ryzen 9 3900X, agree or disagree with our judgements, or report an error or mismatch.