Pentium B940 vs Athlon X4 840

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Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09
+287%
Pentium B940
2011
2 cores / 2 threads, 35 Watt
0.54

Athlon X4 840 outperforms Pentium B940 by a whopping 287% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and Pentium B940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18902849
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Series4x AthlonIntel Pentium
Power efficiency3.041.46
Architecture codenameKaveri (2014−2015)Sandy Bridge (2011−2013)
Release dateAugust 2014 (10 years ago)19 June 2011 (13 years ago)
Launch price (MSRP)no data$134

Detailed specifications

Athlon X4 840 and Pentium B940 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 speed3.1 GHz2 GHz
Boost clock speed3.8 GHz2 GHz
Bus typeno dataDMI 2.0
Bus rateno data4 × 5 GT/s
Multiplierno data20
L1 cache256K64K (per core)
L2 cache4 MB256K (per core)
L3 cacheno data2 MB (shared)
Chip lithography28 nm32 nm
Die size245 mm2131 mm2
Maximum core temperatureno data85 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million504 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Athlon X4 840 and Pentium B940 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 (Uniprocessor)
SocketSocket FM2+PGA988
Power consumption (TDP)65 watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Pentium B940. 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+
My WiFino data-
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+

Security technologies

Athlon X4 840 and Pentium B940 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Pentium B940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and Pentium B940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data21.335 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 Athlon X4 840 and Pentium B940 integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Pentium B940.

PCIe version3.02.0
PCI Express lanes1616

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.

Athlon X4 840 2.09
+287%
Pentium B940 0.54

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.

Athlon X4 840 3318
+284%
Pentium B940 865

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.

Athlon X4 840 448
+41.3%
Pentium B940 317

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.

Athlon X4 840 1120
+106%
Pentium B940 545

Gaming performance

Pros & cons summary


Performance score 2.09 0.54
Recency on August 2014 19 June 2011
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 32 nm
Power consumption (TDP) 65 Watt 35 Watt

Athlon X4 840 has a 287% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 100% more threads, and a 14.3% more advanced lithography process.

Pentium B940, on the other hand, has 85.7% lower power consumption.

The Athlon X4 840 is our recommended choice as it beats the Pentium B940 in performance tests.

Note that Athlon X4 840 is a desktop processor while Pentium B940 is a notebook one.


Should you still have questions on choice between Athlon X4 840 and Pentium B940, ask them in Comments section, and we shall answer.

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AMD Athlon X4 840
Athlon X4 840
Intel Pentium B940
Pentium B940

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Community ratings

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Questions & comments

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