Pentium T4400 vs Phenom II X2 B55

Aggregate performance score

Phenom II X2 B55
2009
2 cores / 2 threads, 80 Watt
0.74
+51%

Phenom II X2 B55 outperforms Pentium T4400 by an impressive 51% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X2 B55 and Pentium T4400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26572889
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.02no data
Market segmentDesktop processorLaptop
Power efficiency0.881.32
Architecture codenameCallisto (2009−2010)no data
Release date1 October 2009 (15 years ago)1 October 2009 (15 years ago)
Launch price (MSRP)$48no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X2 B55 and Pentium T4400 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 cores2 (Dual-core)no data
Threads2no data
Base clock speed3 GHz2.2 GHz
Boost clock speed3 GHzno data
L1 cache128 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache6 MB (shared)1 MB L2 Cache
Chip lithography45 nm45 nm
Die size258 mm2no data
Maximum core temperatureno data105 °C
Number of transistors758 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X2 B55 and Pentium T4400 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 configuration1no data
SocketAM3PGA478
Power consumption (TDP)80 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 B55 and Pentium T4400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-

Security technologies

Phenom II X2 B55 and Pentium T4400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 B55 and Pentium T4400 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 B55 and Pentium T4400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 B55 and Pentium T4400.

PCIe version2.0no 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.

Phenom II X2 B55 0.74
+51%
Pentium T4400 0.49

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.

Phenom II X2 B55 1183
+52.4%
Pentium T4400 776

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.

Phenom II X2 B55 383
+53.2%
Pentium T4400 250

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.

Phenom II X2 B55 687
+71.3%
Pentium T4400 401

Gaming performance

Pros & cons summary


Performance score 0.74 0.49
Power consumption (TDP) 80 Watt 35 Watt

Phenom II X2 B55 has a 51% higher aggregate performance score.

Pentium T4400, on the other hand, has 128.6% lower power consumption.

The Phenom II X2 B55 is our recommended choice as it beats the Pentium T4400 in performance tests.

Note that Phenom II X2 B55 is a desktop processor while Pentium T4400 is a notebook one.


Should you still have questions on choice between Phenom II X2 B55 and Pentium T4400, ask them in Comments section, and we shall answer.

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AMD Phenom II X2 B55
Phenom II X2 B55
Intel Pentium T4400
Pentium T4400

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Community ratings

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Questions & comments

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