AMD Phenom II X2 B55 vs Intel Pentium G645T

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Combined performance score

Pentium G645T
0.80
+3.9%

Pentium G645T outperforms Phenom II X2 B55 by 4% in our combined benchmark results.

General info

Comparing Pentium G645T and Phenom II X2 B55 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking24702497
Place by popularitynot in top-100not in top-100
Value for money4.932.02
Market segmentDesktop processorDesktop processor
Architecture codenameSandy Bridge (2011−2013)Callisto (2009−2010)
Release date2 September 2012 (11 years old)October 2009 (14 years old)
Launch price (MSRP)no data$48
Current price$43 $23 (0.5x MSRP)
Value for money

Performance per price, higher is better.

Pentium G645T has 144% better value for money than Phenom II X2 B55.

Technical specs

Pentium G645T and Phenom II X2 B55 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)2 (Dual-core)
Threads22
Base clock speed2.5 GHzno data
Boost clock speed2.5 GHz3 GHz
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache3 MB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size131 mm2258 mm2
Maximum core temperature65 °Cno data
Number of transistors504 million758 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Pentium G645T and Phenom II X2 B55 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 configuration11
SocketFCLGA1155AM3
Power consumption (TDP)35 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645T and Phenom II X2 B55. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+no data
AVX+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+no data
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data
StatusDiscontinuedno data

Security technologies

Pentium G645T and Phenom II X2 B55 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 G645T and Phenom II X2 B55 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 G645T and Phenom II X2 B55. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth17 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® Processorsno data
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium G645T and Phenom II X2 B55 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645T and Phenom II X2 B55.

PCIe version2.0no data
PCI Express lanes16no 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.

Pentium G645T 0.80
+3.9%
Phenom II X2 B55 0.77

Pentium G645T outperforms Phenom II X2 B55 by 4% in our combined benchmark results.


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.

Benchmark coverage: 68%

Pentium G645T 1228
+3.8%
Phenom II X2 B55 1183

Pentium G645T outperforms Phenom II X2 B55 by 4% in Passmark.

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.

Benchmark coverage: 42%

Pentium G645T 355
Phenom II X2 B55 383
+7.9%

Phenom II X2 B55 outperforms Pentium G645T by 8% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Pentium G645T 606
Phenom II X2 B55 687
+13.4%

Phenom II X2 B55 outperforms Pentium G645T by 13% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 0.80 0.77
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 80 Watt

We couldn't decide between Pentium G645T and Phenom II X2 B55. The differences in performance seem too small.


Should you still have questions on choice between Pentium G645T and Phenom II X2 B55, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium G645T
Pentium G645T
AMD Phenom II X2 B55
Phenom II X2 B55

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Questions and comments

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