Phenom II X4 840 vs Athlon X4 950

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Aggregate performance score

Athlon X4 950
2017
4 cores / 4 threads, 65 Watt
2.32
+49.7%

Athlon X4 950 outperforms Phenom II X4 840 by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 950 and Phenom II X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking17172025
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.663.08
Market segmentDesktop processorDesktop processor
Architecture codenameBristol Ridge (2016−2019)Propus (2009−2011)
Release date27 July 2017 (6 years ago)4 January 2011 (13 years ago)
Launch price (MSRP)$60$90
Current price$52 (0.9x MSRP)$38 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon X4 950 has 19% better value for money than Phenom II X4 840.

Detailed specifications

Athlon X4 950 and Phenom II X4 840 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)4 (Quad-Core)
Threads44
Base clock speed3.5 GHz3.2 GHz
Boost clock speed3.8 GHz3.2 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography28 nm45 nm
Die size246 mm2169 mm2
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 million300 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesNo

Compatibility

Information on Athlon X4 950 and Phenom II X4 840 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
SocketAM4AM3
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 950 and Phenom II X4 840. You'll probably need this information if you require some particular technology.

AES-NI+no data
FMA+no data
AVX+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 950 and Phenom II X4 840 are enumerated here.

AMD-V+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 950 and Phenom II X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR3

Peripherals

Specifications and connection of peripherals supported by Athlon X4 950 and Phenom II X4 840.

PCIe versionno data2.0

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.

Athlon X4 950 2.32
+49.7%
Phenom II X4 840 1.55

Athlon X4 950 outperforms Phenom II X4 840 by 50% 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 950 3591
+49.4%
Phenom II X4 840 2404

Athlon X4 950 outperforms Phenom II X4 840 by 49% in Passmark.

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.

Benchmark coverage: 42%

Athlon X4 950 662
+104%
Phenom II X4 840 325

Athlon X4 950 outperforms Phenom II X4 840 by 104% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Athlon X4 950 1639
+84.4%
Phenom II X4 840 889

Athlon X4 950 outperforms Phenom II X4 840 by 84% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 2.32 1.55
Recency 27 July 2017 4 January 2011
Cost $60 $90
Chip lithography 28 nm 45 nm
Power consumption (TDP) 65 Watt 95 Watt

The Athlon X4 950 is our recommended choice as it beats the Phenom II X4 840 in performance tests.


Should you still have questions on choice between Athlon X4 950 and Phenom II X4 840, ask them in Comments section, and we shall answer.

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AMD Athlon X4 950
Athlon X4 950
AMD Phenom II X4 840
Phenom II X4 840

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Athlon X4 950 or Phenom II X4 840, agree or disagree with our judgements, or report an error or mismatch.