i7-620M vs Pentium Dual T4400

Place in the ranking	2609	2314
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium Dual Core	Intel Core i7
Power efficiency	2.19	3.38
Architecture codename	Penryn (2008−2011)	Arrandale (2010−2011)
Release date	1 December 2009 (15 years ago)	7 January 2010 (14 years ago)
Launch price (MSRP)	no data	$332

Detailed specifications

Pentium Dual Core T4400 and Core i7-620M 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	4
Base clock speed	2.2 GHz	2.66 GHz
Boost clock speed	2.2 GHz	3.33 GHz
Bus type	no data	DMI 1.0
Bus rate	800 MHz	1 × 2.5 GT/s
Multiplier	no data	15
L1 cache	128 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	0 KB	4 MB (shared)
Chip lithography	45 nm	32 nm
Die size	107 mm²	81+114 mm²
Maximum core temperature	no data	105 °C
Number of transistors	410 million	384 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium Dual Core T4400 and Core i7-620M 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 (Uniprocessor)
Socket	P	BGA1288,PGA988
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4400 and Core i7-620M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
FMA	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	+
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Pentium Dual Core T4400 and Core i7-620M 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 Pentium Dual Core T4400 and Core i7-620M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4400 and Core i7-620M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel HD Graphics for Previous Generation Intel Processors
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	766 MHz

Graphics interfaces

Available interfaces and connections of Pentium Dual Core T4400 and Core i7-620M integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Pentium Dual Core T4400 and Core i7-620M.

PCIe version	no data	2.0
PCI Express lanes	no data	16

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.

Pentium Dual T4400 0.81

i7-620M 1.25
+54.3%

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.

Pentium Dual T4400 1284

i7-620M 1979
+54.1%

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.

Pentium Dual T4400 2231

i7-620M 3473
+55.7%

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.

Pentium Dual T4400 4200

i7-620M 7657
+82.3%

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.

Pentium Dual T4400 1897

i7-620M 3044
+60.5%

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.

Pentium Dual T4400 38.2

i7-620M 18
+112%

Gaming performance

Pros & cons summary

Performance score	0.81	1.25
Recency	1 December 2009	7 January 2010
Threads	2	4
Chip lithography	45 nm	32 nm

i7-620M has a 54.3% higher aggregate performance score, an age advantage of 1 month, 100% more threads, and a 40.6% more advanced lithography process.

The Core i7-620M is our recommended choice as it beats the Pentium Dual Core T4400 in performance tests.

Should you still have questions on choice between Pentium Dual Core T4400 and Core i7-620M, ask them in Comments section, and we shall answer.