Ryzen 9 5900X vs Core 2 Duo E6550

VS

Aggregate performance score

Core 2 Duo E6550
2007
2 cores / 2 threads, 65 Watt
0.56
Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.72
+4314%

Ryzen 9 5900X outperforms Core 2 Duo E6550 by a whopping 4314% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6550 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2821201
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data30.65
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 9
Power efficiency0.8122.19
Architecture codenameConroe (2006−2007)Vermeer (Zen3) (2020−2022)
Release dateJuly 2007 (17 years ago)8 October 2020 (4 years ago)
Launch price (MSRP)no data$549

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo E6550 and Ryzen 9 5900X 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 cores2 (Dual-core)12 (Dodeca-Core)
Threads224
Base clock speed2.33 GHz3.7 GHz
Boost clock speed2.33 GHz4.8 GHz
Bus rate1333 MHzno data
Multiplierno data37
L1 cache64 KB768 KB
L2 cache4 MB6 MB
L3 cache0 KB64 MB
Chip lithography65 nm7 nm, 12 nm
Die size143 mm22x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum core temperature72 °Cno data
Maximum case temperature (TCase)no data95 °C
Number of transistors291 million0 Million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6550 and Ryzen 9 5900X 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
SocketPLGA775AM4
Power consumption (TDP)65 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
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
Precision Boost 2no data+

Security technologies

Core 2 Duo E6550 and Ryzen 9 5900X 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 Duo E6550 and Ryzen 9 5900X are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6550 and Ryzen 9 5900X.

PCIe versionno data4.0

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 Duo E6550 0.56
Ryzen 9 5900X 24.72
+4314%

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 Duo E6550 891
Ryzen 9 5900X 39114
+4290%

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 Duo E6550 260
Ryzen 9 5900X 2209
+750%

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 Duo E6550 431
Ryzen 9 5900X 11961
+2675%

Gaming performance

Pros & cons summary


Performance score 0.56 24.72
Physical cores 2 12
Threads 2 24
Chip lithography 65 nm 7 nm
Power consumption (TDP) 65 Watt 105 Watt

Core 2 Duo E6550 has 61.5% lower power consumption.

Ryzen 9 5900X, on the other hand, has a 4314.3% higher aggregate performance score, 500% more physical cores and 1100% more threads, and a 828.6% more advanced lithography process.

The Ryzen 9 5900X is our recommended choice as it beats the Core 2 Duo E6550 in performance tests.


Should you still have questions on choice between Core 2 Duo E6550 and Ryzen 9 5900X, 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 Duo E6550
Core 2 Duo E6550
AMD Ryzen 9 5900X
Ryzen 9 5900X

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.


3.3 363 votes

Rate Core 2 Duo E6550 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 3677 votes

Rate Ryzen 9 5900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6550 or Ryzen 9 5900X, agree or disagree with our judgements, or report an error or mismatch.