Pentium G640 vs FX-4100

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Aggregate performance score

FX-4100
2011
4 cores / 4 threads, 95 Watt
1.65
+94.1%
Pentium G640
2012
2 cores / 2 threads, 65 Watt
0.85

FX-4100 outperforms Pentium G640 by an impressive 94% based on our aggregate benchmark results.

Primary details

Comparing FX-4100 and Pentium G640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20852578
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.05
Market segmentDesktop processorDesktop processor
Power efficiency1.641.24
Architecture codenameZambezi (2011−2012)Sandy Bridge (2011−2013)
Release date12 October 2011 (13 years ago)3 June 2012 (12 years ago)
Launch price (MSRP)no data$179

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-4100 and Pentium G640 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed3.6 GHz2.8 GHz
Boost clock speed3.8 GHz2.8 GHz
Bus rateno data5 GT/s
L1 cache192 KB64 KB (per core)
L2 cache4096 KB256 KB (per core)
L3 cache8192 KB3 MB (shared)
Chip lithography32 nm32 nm
Die size315 mm2131 mm2
Maximum core temperature71 °C69 °C
Number of transistors1,200 million504 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
P0 Vcore voltageMin: 1.1 V - Max: 1.4125 Vno data

Compatibility

Information on FX-4100 and Pentium G640 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
SocketAM3+FCLGA1155
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4100 and Pentium G640. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA+-
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

FX-4100 and Pentium G640 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4100 and Pentium G640 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 FX-4100 and Pentium G640. 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 cardno dataIntel HD Graphics for 2nd Generation Intel Processors
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of FX-4100 and Pentium G640 integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by FX-4100 and Pentium G640.

PCIe versionn/a2.0

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.

FX-4100 1.65
+94.1%
Pentium G640 0.85

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.

FX-4100 2617
+94%
Pentium G640 1349

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.

FX-4100 396
Pentium G640 431
+8.8%

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.

FX-4100 1005
+38.4%
Pentium G640 726

Gaming performance

Pros & cons summary


Performance score 1.65 0.85
Recency 12 October 2011 3 June 2012
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 65 Watt

FX-4100 has a 94.1% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Pentium G640, on the other hand, has an age advantage of 7 months, and 46.2% lower power consumption.

The FX-4100 is our recommended choice as it beats the Pentium G640 in performance tests.


Should you still have questions on choice between FX-4100 and Pentium G640, ask them in Comments section, and we shall answer.

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AMD FX-4100
FX-4100
Intel Pentium G640
Pentium G640

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Community ratings

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Questions & comments

Here you can ask a question about FX-4100 or Pentium G640, agree or disagree with our judgements, or report an error or mismatch.