Core 2 Quad Q8400 vs Core m3-6Y30

Place in the ranking	2230	2266
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core m3	no data
Power efficiency	25.93	1.30
Architecture codename	Skylake-Y (2015)	Yorkfield (2007−2009)
Release date	1 September 2015 (9 years ago)	19 April 2009 (15 years ago)
Launch price (MSRP)	$281	no data

Detailed specifications

Core m3-6Y30 and Core 2 Quad Q8400 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)	4 (Quad-Core)
Threads	4	4
Base clock speed	0.9 GHz	2.66 GHz
Boost clock speed	2.2 GHz	0.67 GHz
Bus type	DMI 3.0	no data
Bus rate	4 GT/s	1333 MHz
Multiplier	9	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	4 MB (shared)
L3 cache	4 MB (shared)	0 KB
Chip lithography	14 nm	45 nm
Die size	98.57 mm²	2x 82 mm²
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	71 °C
Number of transistors	1750 Million	456 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Core m3-6Y30 and Core 2 Quad Q8400 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 (Uniprocessor)	1
Socket	FCBGA1515	FCLGA775,LGA775
Power consumption (TDP)	4.5 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core m3-6Y30 and Core 2 Quad Q8400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
Demand Based Switching	no data	-
FSB parity	no data	-

Security technologies

Core m3-6Y30 and Core 2 Quad Q8400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	no data
MPX	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core m3-6Y30 and Core 2 Quad Q8400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core m3-6Y30 and Core 2 Quad Q8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	29.861 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 515	On certain motherboards (Chipset feature)
Max video memory	16 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	850 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core m3-6Y30 and Core 2 Quad Q8400 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core m3-6Y30 and Core 2 Quad Q8400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core m3-6Y30 and Core 2 Quad Q8400 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core m3-6Y30 and Core 2 Quad Q8400.

PCIe version	3.0	2.0
PCI Express lanes	10	no data

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.

m3-6Y30 1.37
+5.4%

Core 2 Quad Q8400 1.30

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.

m3-6Y30 2169
+4.9%

Core 2 Quad Q8400 2067

Gaming performance

Pros & cons summary

Performance score	1.37	1.30
Recency	1 September 2015	19 April 2009
Physical cores	2	4
Chip lithography	14 nm	45 nm
Power consumption (TDP)	4 Watt	95 Watt

m3-6Y30 has a 5.4% higher aggregate performance score, an age advantage of 6 years, a 221.4% more advanced lithography process, and 2275% lower power consumption.

Core 2 Quad Q8400, on the other hand, has 100% more physical cores.

Given the minimal performance differences, no clear winner can be declared between Core m3-6Y30 and Core 2 Quad Q8400.

Be aware that Core m3-6Y30 is a notebook processor while Core 2 Quad Q8400 is a desktop one.

Should you still have questions on choice between Core m3-6Y30 and Core 2 Quad Q8400, ask them in Comments section, and we shall answer.