Pentium G645T vs A4-4000

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Aggregate performance score

A4-4000
2013
2 cores / 2 threads, 65 Watt
0.72
Pentium G645T
2012
2 cores / 2 threads, 35 Watt
0.77
+6.9%

Pentium G645T outperforms A4-4000 by a small 7% based on our aggregate benchmark results.

Primary details

Comparing A4-4000 and Pentium G645T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27032644
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.052.08
Architecture codenameRichland (2013−2014)Sandy Bridge (2011−2013)
Release date1 June 2013 (11 years ago)2 September 2012 (12 years ago)

Detailed specifications

A4-4000 and Pentium G645T 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 speed3 GHz2.5 GHz
Boost clock speed3.2 GHz2.5 GHz
Bus rateno data5 GT/s
L1 cache128 KB (per core)64 KB (per core)
L2 cache1 MB (per core)256 KB (per core)
L3 cache0 KB3 MB (shared)
Chip lithography32 nm32 nm
Die size246 mm2131 mm2
Maximum core temperatureno data65 °C
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A4-4000 and Pentium G645T 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
SocketFM2FCLGA1155
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-4000 and Pentium G645T. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
FDIno data+
Fast Memory Accessno data+

Security technologies

A4-4000 and Pentium G645T technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A4-4000 and Pentium G645T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-4000 and Pentium G645T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 7480DIntel HD Graphics for 2nd Generation Intel Processors
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of A4-4000 and Pentium G645T integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by A4-4000 and Pentium G645T.

PCIe versionno data2.0
PCI Express lanesno data16

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.

A4-4000 0.72
Pentium G645T 0.77
+6.9%

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.

A4-4000 1146
Pentium G645T 1228
+7.2%

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.

A4-4000 330
Pentium G645T 348
+5.5%

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.

A4-4000 464
Pentium G645T 566
+22%

Gaming performance

Pros & cons summary


Performance score 0.72 0.77
Integrated graphics card 0.72 0.77
Recency 1 June 2013 2 September 2012
Power consumption (TDP) 65 Watt 35 Watt

A4-4000 has an age advantage of 8 months.

Pentium G645T, on the other hand, has a 6.9% higher aggregate performance score, 6.9% faster integrated GPU, and 85.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between A4-4000 and Pentium G645T.


Should you still have questions on choice between A4-4000 and Pentium G645T, ask them in Comments section, and we shall answer.

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AMD A4-4000
A4-4000
Intel Pentium G645T
Pentium G645T

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Community ratings

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Questions & comments

Here you can ask a question about A4-4000 or Pentium G645T, agree or disagree with our judgements, or report an error or mismatch.