A9-9400 SoC vs Core 2 Duo E8400

Primary details

Comparing Core 2 Duo E8400 and A9-9400 SoC processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2672	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	1.06	no data
Architecture codename	Wolfdale (2008−2010)	Stoney Ridge (2016−2019)
Release date	1 January 2008 (16 years ago)	31 May 2016 (8 years ago)

Detailed specifications

Core 2 Duo E8400 and A9-9400 SoC 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)	2 (Dual-core)
Threads	2	2
Base clock speed	3 GHz	2.4 GHz
Boost clock speed	3 GHz	3.2 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	160 KB
L2 cache	6 MB (shared)	1 MB (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	28 nm
Die size	104 mm2	125 mm2
Maximum case temperature (TCase)	72 °C	74 °C
Number of transistors	410 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and A9-9400 SoC 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	FT4
Power consumption (TDP)	65 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and A9-9400 SoC. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo E8400 and A9-9400 SoC 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 E8400 and A9-9400 SoC are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and A9-9400 SoC. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Radeon R5 3CU

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and A9-9400 SoC.

PCIe version	2.0	3.0
PCI Express lanes	no data	8

Pros & cons summary

---

Recency	1 January 2008	31 May 2016
Chip lithography	45 nm	28 nm
Power consumption (TDP)	65 Watt	10 Watt

---

Should you still have questions on choice between Core 2 Duo E8400 and A9-9400 SoC, 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.

---