Ryzen 9 7945HX vs Core 2 Duo E6400

Primary details

Comparing Core 2 Duo E6400 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	110
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	no data	59.20
Architecture codename	Conroe (2006−2007)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	July 2006 (18 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Core 2 Duo E6400 and Ryzen 9 7945HX 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 cores	2 (Dual-core)	16 (Hexadeca-Core)
Threads	2	32
Base clock speed	2.13 GHz	2.5 GHz
Boost clock speed	2.13 GHz	5.4 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB	64K (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	0 KB	64 MB (shared)
Chip lithography	65 nm	CCD = 5 nm, I/O = 6 nm
Die size	143 mm2	2x 71 mm2
Maximum core temperature	61 °C	100 °C
Number of transistors	291 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6400 and Ryzen 9 7945HX 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 configuration	1	1
Socket	LGA775,PLGA775	FL1
Power consumption (TDP)	65 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	-	+
FMA	-	+
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 2	no data	+

Security technologies

Core 2 Duo E6400 and Ryzen 9 7945HX 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 7945HX 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 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Ryzen 9 7945HX.

PCIe version	no data	5.0
PCI Express lanes	no data	28

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	2	16
Threads	2	32
Power consumption (TDP)	65 Watt	55 Watt

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Should you still have questions on choice between Core 2 Duo E6400 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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