Celeron G5900 vs Athlon X4 840

Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.13
+25.3%
Celeron G5900
2020
2 cores / 2 threads, 58 Watt
1.70

Athlon X4 840 outperforms Celeron G5900 by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and Celeron G5900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18732061
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Series4x Athlonno data
Power efficiency3.042.72
Architecture codenameKaveri (2014−2015)Comet Lake (2020)
Release dateAugust 2014 (10 years ago)30 April 2020 (4 years ago)

Detailed specifications

Athlon X4 840 and Celeron G5900 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 GHz3.4 GHz
Boost clock speed3.8 GHz3.4 GHz
Bus rateno data8 GT/s
L1 cache256K64K (per core)
L2 cache4 MB256K (per core)
L3 cacheno data2 MB (shared)
Chip lithography28 nm14 nm
Die size245 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors2,411 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Athlon X4 840 and Celeron G5900 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
SocketSocket FM2+FCLGA1200
Power consumption (TDP)65 watt58 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Celeron G5900. 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-+
Turbo Boost Max 3.0no data-

Security technologies

Athlon X4 840 and Celeron G5900 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Celeron G5900 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 Athlon X4 840 and Celeron G5900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Athlon X4 840 and Celeron G5900 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Athlon X4 840 and Celeron G5900 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Athlon X4 840 and Celeron G5900 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Celeron G5900.

PCIe version3.03.0
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 2.13
+25.3%
Celeron G5900 1.70

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 3325
+25.8%
Celeron G5900 2643

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 840 447
Celeron G5900 663
+48.3%

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 1113
+6.5%
Celeron G5900 1045

Gaming performance

Pros & cons summary


Performance score 2.13 1.70
Recency on August 2014 30 April 2020
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 58 Watt

Athlon X4 840 has a 25.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Celeron G5900, on the other hand, has an age advantage of 5 years, a 100% more advanced lithography process, and 12.1% lower power consumption.

The Athlon X4 840 is our recommended choice as it beats the Celeron G5900 in performance tests.


Should you still have questions on choice between Athlon X4 840 and Celeron G5900, ask them in Comments section, and we shall answer.

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AMD Athlon X4 840
Athlon X4 840
Intel Celeron G5900
Celeron G5900

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Community ratings

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