Celeron G4950 vs Athlon X4 840

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Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.15
+22.9%

Athlon X4 840 outperforms Celeron G4950 by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and Celeron G4950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking17821939
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.385.37
Market segmentDesktop processorDesktop processor
Series4x AthlonIntel Celeron
Architecture codenameKaveri (2014−2015)Coffee Lake (2017−2019)
Release dateAugust 2014 (9 years ago)23 April 2019 (5 years ago)
Launch price (MSRP)no data$52
Current price$23 $63 (1.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon X4 840 has 37% better value for money than Celeron G4950.

Detailed specifications

Athlon X4 840 and Celeron G4950 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 GHz3.3 GHz
Boost clock speed3.8 GHz3.3 GHz
Bus supportno data4 × 8 GT/s
L1 cache256K128 KB
L2 cache4 MB512 KB
L3 cacheno data2 MB
Chip lithography28 nm14 nm
Die size245 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierYesNo

Compatibility

Information on Athlon X4 840 and Celeron G4950 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+FCLGA1151
Power consumption (TDP)65 watt54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Celeron G4950. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA+no data
AVX+no data
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
TSXno data-
Idle Statesno data+
Thermal Monitoringno data+
SIPPno data-
Statusno dataDiscontinued

Security technologies

Athlon X4 840 and Celeron G4950 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Celeron G4950 are enumerated here.

AMD-V+no data
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 G4950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2400
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data37.5 GB/s
ECC memory supportno data+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Videono data+
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 G4950 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Athlon X4 840 and Celeron G4950 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Athlon X4 840 and Celeron G4950 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 G4950.

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 2.15
+22.9%
Celeron G4950 1.75

Athlon X4 840 outperforms Celeron G4950 by 23% based on our aggregate 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%

Athlon X4 840 3319
+22.3%
Celeron G4950 2714

Athlon X4 840 outperforms Celeron G4950 by 22% in Passmark.

Gaming performance

Pros & cons summary


Performance score 2.15 1.75
Recency on August 2014 23 April 2019
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 54 Watt

The Athlon X4 840 is our recommended choice as it beats the Celeron G4950 in performance tests.


Should you still have questions on choice between Athlon X4 840 and Celeron G4950, ask them in Comments section, and we shall answer.

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AMD Athlon X4 840
Athlon X4 840
Intel Celeron G4950
Celeron G4950

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Community ratings

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Questions & comments

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