Ryzen 7 5800X3D vs Core 2 Duo T6400

VS

Aggregate performance score

Core 2 Duo T6400
2009
2 cores / 2 threads, 35 Watt
0.46
Ryzen 7 5800X3D
2022
8 cores / 16 threads, 105 Watt
17.82
+3774%

Ryzen 7 5800X3D outperforms Core 2 Duo T6400 by a whopping 3774% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T6400 and Ryzen 7 5800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2940349
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data29.70
Market segmentLaptopDesktop processor
SeriesIntel Core 2 DuoAMD Ryzen 7
Power efficiency1.2416.06
Architecture codenamePenryn (2008−2011)Vermeer (Zen3) (2020−2022)
Release date1 January 2009 (15 years ago)20 April 2022 (2 years ago)
Launch price (MSRP)no data$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo T6400 and Ryzen 7 5800X3D 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)8 (Octa-Core)
Threads216
Base clock speed2 GHz3.4 GHz
Boost clock speed2 GHz4.5 GHz
Bus rate800 MHzno data
L1 cacheno data64 KB (per core)
L2 cache2 MB512 KB (per core)
L3 cache2 MB L2 Cache96 MB (shared)
Chip lithography45 nm7 nm, 12 nm
Die sizeno data74 + 125 mm
Maximum core temperature105 °C90 °C
Maximum case temperature (TCase)no data90 °C
Number of transistorsno data8,850 million
64 bit support++
Windows 11 compatibility-+
VID voltage range1V-1.25Vno data

Compatibility

Information on Core 2 Duo T6400 and Ryzen 7 5800X3D 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
SocketPGA478AM4
Power consumption (TDP)35 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Ryzen 7 5800X3D. 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
Demand Based Switching-no data
Precision Boost 2no data+

Security technologies

Core 2 Duo T6400 and Ryzen 7 5800X3D 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 T6400 and Ryzen 7 5800X3D are enumerated here.

AMD-V-+
VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Ryzen 7 5800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Ryzen 7 5800X3D.

PCIe versionno data4.0
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 Duo T6400 0.46
Ryzen 7 5800X3D 17.82
+3774%

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 T6400 727
Ryzen 7 5800X3D 28310
+3794%

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 T6400 233
Ryzen 7 5800X3D 2118
+809%

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 T6400 363
Ryzen 7 5800X3D 11081
+2953%

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 Duo T6400 2115
Ryzen 7 5800X3D 6008
+184%

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 Duo T6400 4005
Ryzen 7 5800X3D 42010
+949%

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 Duo T6400 1768
Ryzen 7 5800X3D 14479
+719%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T6400 39.42
Ryzen 7 5800X3D 3.65
+980%

Gaming performance

Pros & cons summary


Performance score 0.46 17.82
Recency 1 January 2009 20 April 2022
Physical cores 2 8
Threads 2 16
Chip lithography 45 nm 7 nm
Power consumption (TDP) 35 Watt 105 Watt

Core 2 Duo T6400 has 200% lower power consumption.

Ryzen 7 5800X3D, on the other hand, has a 3773.9% higher aggregate performance score, an age advantage of 13 years, 300% more physical cores and 700% more threads, and a 542.9% more advanced lithography process.

The Ryzen 7 5800X3D is our recommended choice as it beats the Core 2 Duo T6400 in performance tests.

Be aware that Core 2 Duo T6400 is a notebook processor while Ryzen 7 5800X3D is a desktop one.


Should you still have questions on choice between Core 2 Duo T6400 and Ryzen 7 5800X3D, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo T6400
Core 2 Duo T6400
AMD Ryzen 7 5800X3D
Ryzen 7 5800X3D

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Community ratings

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Questions & comments

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