Athlon X4 850 vs Athlon II X4 635

VS

Aggregate performance score

Athlon II X4 635
2010
4 cores / 4 threads, 95 Watt
1.41
Athlon X4 850
2015
4 cores / 4 threads, 65 Watt
2.12
+50.4%

Athlon X4 850 outperforms Athlon II X4 635 by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 635 and Athlon X4 850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22081865
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.86no data
Market segmentDesktop processorDesktop processor
Power efficiency1.403.09
Architecture codenamePropus (2009−2011)Godaveri (2014−2016)
Release date25 January 2010 (14 years ago)July 2015 (9 years ago)
Launch price (MSRP)$70no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 635 and Athlon X4 850 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 speed2.9 GHz3.2 GHz
Boost clock speed2.9 GHz3.9 GHz
L1 cache128 KB (per core)256K
L2 cache512 KB (per core)4 MB
L3 cache0 KBno data
Chip lithography45 nm28 nm
Die size169 mm2245 mm2
Number of transistors300 million2,411 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Athlon II X4 635 and Athlon X4 850 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
SocketAM3FM2+
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 635 and Athlon X4 850. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 635 and Athlon X4 850 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 635 and Athlon X4 850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-2133

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 635 and Athlon X4 850.

PCIe version2.03.0
PCI Express lanesno data16

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 II X4 635 1.41
Athlon X4 850 2.12
+50.4%

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 II X4 635 2237
Athlon X4 850 3366
+50.5%

Gaming performance

Pros & cons summary


Performance score 1.41 2.12
Chip lithography 45 nm 28 nm
Power consumption (TDP) 95 Watt 65 Watt

Athlon X4 850 has a 50.4% higher aggregate performance score, a 60.7% more advanced lithography process, and 46.2% lower power consumption.

The Athlon X4 850 is our recommended choice as it beats the Athlon II X4 635 in performance tests.


Should you still have questions on choice between Athlon II X4 635 and Athlon X4 850, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 635
Athlon II X4 635
AMD Athlon X4 850
Athlon X4 850

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Community ratings

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


3.7 219 votes

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Questions & comments

Here you can ask a question about Athlon II X4 635 or Athlon X4 850, agree or disagree with our judgements, or report an error or mismatch.