Ryzen 9 6900HX vs Core 2 Duo E6400

VS

Aggregate performance score

Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.50
Ryzen 9 6900HX
2022
8 cores / 16 threads, 45 Watt
15.89
+3078%

Ryzen 9 6900HX outperforms Core 2 Duo E6400 by a whopping 3078% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6400 and Ryzen 9 6900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2885437
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Rembrandt (Zen 3+)
Power efficiency0.7132.80
Architecture codenameConroe (2006−2007)Rembrandt-H (Zen 3+) (2022)
Release dateJuly 2006 (18 years ago)January 2022 (2 years ago)

Detailed specifications

Core 2 Duo E6400 and Ryzen 9 6900HX 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 speed2.13 GHz3.3 GHz
Boost clock speed2.13 GHz4.9 GHz
Bus rate1066 MHzno data
L1 cache64 KB64K (per core)
L2 cache2 MB512K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography65 nm6 nm
Die size143 mm2208 mm2
Maximum core temperature61 °C95 °C
Number of transistors291 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6400 and Ryzen 9 6900HX 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
SocketLGA775,PLGA775FP7
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Ryzen 9 6900HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
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 E6400 and Ryzen 9 6900HX 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 E6400 and Ryzen 9 6900HX are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Ryzen 9 6900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 680M

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Ryzen 9 6900HX.

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 E6400 0.50
Ryzen 9 6900HX 15.89
+3078%

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 E6400 780
Ryzen 9 6900HX 24770
+3076%

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 E6400 233
Ryzen 9 6900HX 2010
+763%

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 E6400 374
Ryzen 9 6900HX 9719
+2499%

Gaming performance

Pros & cons summary


Performance score 0.50 15.89
Physical cores 2 8
Threads 2 16
Chip lithography 65 nm 6 nm
Power consumption (TDP) 65 Watt 45 Watt

Ryzen 9 6900HX has a 3078% higher aggregate performance score, 300% more physical cores and 700% more threads, a 983.3% more advanced lithography process, and 44.4% lower power consumption.

The Ryzen 9 6900HX is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Note that Core 2 Duo E6400 is a desktop processor while Ryzen 9 6900HX is a notebook one.


Should you still have questions on choice between Core 2 Duo E6400 and Ryzen 9 6900HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo E6400
Core 2 Duo E6400
AMD Ryzen 9 6900HX
Ryzen 9 6900HX

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Community ratings

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Questions & comments

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