A6-4400M vs Core 2 Duo P8400

Place in the ranking	2842	2763
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	AMD A-Series
Power efficiency	2.01	1.73
Architecture codename	Penryn (2008−2011)	Trinity (2012−2013)
Release date	15 July 2008 (16 years ago)	15 May 2012 (12 years ago)
Launch price (MSRP)	$209	no data

Detailed specifications

Core 2 Duo P8400 and A6-4400M 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	2.26 GHz	2.7 GHz
Boost clock speed	2.26 GHz	3.2 GHz
Bus rate	1066 MHz	no data
L1 cache	128 KB	96 KB
L2 cache	3 MB	1 MB (shared)
L3 cache	3 MB L2 Cache	0 KB
Chip lithography	45 nm	32 nm
Die size	107 mm²	246 mm²
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.15V	no data

Compatibility

Information on Core 2 Duo P8400 and A6-4400M 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	no data	1
Socket	BGA479,PBGA479,PGA478	FS1r2
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and A6-4400M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo P8400 and A6-4400M 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 P8400 and A6-4400M are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and A6-4400M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

unknown

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon HD 7520G

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 P8400 0.53

A6-4400M 0.64
+20.8%

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 P8400 849

A6-4400M 1010
+19%

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 P8400 280

A6-4400M 318
+13.6%

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 P8400 468
+15.8%

A6-4400M 404

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 P8400 2497
+8.9%

A6-4400M 2292

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 P8400 4630
+35.9%

A6-4400M 3407

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 P8400 2036
+12.9%

A6-4400M 1804

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 P8400 34.2
+36.9%

A6-4400M 46.82

Gaming performance

Pros & cons summary

Performance score	0.53	0.64
Recency	15 July 2008	15 May 2012
Chip lithography	45 nm	32 nm
Power consumption (TDP)	25 Watt	35 Watt

Core 2 Duo P8400 has 40% lower power consumption.

A6-4400M, on the other hand, has a 20.8% higher aggregate performance score, an age advantage of 3 years, and a 40.6% more advanced lithography process.

The A6-4400M is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.

Should you still have questions on choice between Core 2 Duo P8400 and A6-4400M, ask them in Comments section, and we shall answer.